HP 1707A Service and user manual

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OSCILLOSCOPE 1707A

HP 1707A

Page 2

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Page 3

OPERATING AND SERVICE MANUAL

MODEL 1707A OSCILLOSCOPE

SERIALS PREFIXED: 1117A-

Refer to Section VII for instruments with other Serial Prefixes.

Refer to Section VII for instruments with the following Standard Options: 001, 002, 003, 006, 007, 011, 012, 090, 091, 092, 093, 094, 602, 607, 611, and 631.

HEWLETT-PACKARD COMPANY/COLORADO SPRINGS DIVISION 900 GARDEN OF THE GODS ROAD, COLORADO SPRINGS, COLORADO, U.S.A.

Manual Part Number 01707-90901. Microfiche Part Number 01707-90801.

Page 4

Sect	tion	Title Page	Section	Title	Page
I.	GENE	RAL INFORMATION 1-1	4-47.	General Information	. 4-3
15.5	1-1.	Introduction 1-1	4-49	Input	4-3
	1-4	Description 1-1	4-51	Attenuator Stages	4-3
	1.5	Introduction 1-1	4.53	Vertical Preamplifier (Schematics
	1.8	Vartical Circuite 1.1	4 00.		1.3
	1 12		4 5 4	General Information	. 4-3
	1.10		4-04.	General Information	. 4-3
	1-18.	Cathode Ray Tube	4-57.	Input Stages (Schematic 4)	. 4-3
	1-21.	Warranty	4-62.	Channel Switches (Schematic 5).	. 4-4
	1-23.	Instrument and Manual	4-65.	Channel A Sync Amplifier	. 4-4
		Identification	4-67.	Composite Sync Amplifier	. 4-4
	1-27.	Inquiries1-2	4-70.	Delay Line	. 4-4
			4-72.	Vertical Output Amplifier	. 4-4
П.	INSTA	LLATION	4-74.	Beam Finder	. 4-4
	2-1.	Introduction	4-76.	Steering Logic Circuit
	2-3.	Initial Inspection		(Schematic 7)	. 4-4
	2-6.	Claims	4-82.	Display Switch	. 4-4
	2-8.	Preparation for Use 2-1	4-84.	Trigger Assembly (Schematic 8, 9).	4-4
	2-9	Three-Conductor AC	4-85.	General Information	4-5
		Power Cable 2-1	4-88	Main Trigger (Schematic 8)	4.5
	2.11	DC Plug 2.1	4.92	Current Steering Switches
	2.13	Power Requirements 21	402.	(Schematic 9)	4.5
	2.17	Rattery Installation 22	4.05	Bright Line Auto Circuit	4.5
	2.17.	Papacking for Chipmont 22	4.09	Delayed Trigger (Schematic 9)	4-5
	2-19.	Repacking for Simplifient	4-50.	Main Integrator (Schematic 10)	4-5
	ODED	2.1	4-100.	Conoral Information	. 4-5
ш.	OPERA	ATION	4-101.		4-5
	3-1.	Introduction	4-103.		. 4-5
	3-3.	Controls and Connectors	4-107.	Comparator	. 4-5
	3-25.	Battery Recharge Operation 3-2	4-112.	Main Sweep Time Assembly
	3-27.	Preoperational Adjustments 3-3		(Schematic 11)	. 4-6
	3-28.	Focus and Astigmatism	4-113.	General Information	. 4-6
		Adjustment 3-3	4-115.	Operational Amplifier	. 4-6
	3-29.	Initial Turn-on	4-118.	Delayed Integrator (Schematic 12).	. 4-6
	3-31.	Operating Procedures	4-119.	General Information	. 4-6
	3-33.	Operators Performance Check 3-3	4-124.	Comparator	. 4-6
	3-35.	Operating Information 3-12	4-129.	Delayed Sweep Time Assembly
	3-37.	Auto Versus Norm 3-12		(Schematic 13)	. 4-7
	3-40.	AC Versus DC 3-12	4-130.	General Information	. 4-7
	3-42.	Delayed Sweep 3-12	4-132.	Operational Amplifier	. 4-7
			4-135.	Holdoff and Comparator
IV.	PRINC	CIPLES OF OPERATION 4-1		(Schematic 14)	. 4-7
	4-1	Introduction 4-1	4-136.	General Information	4-7
	4.3	General Theory 4.1	4-139.	Ramp Comparator	4.7
	4.6	Block Diagram (Schematic 1) 4.1	4-141	Holdoff Amplifier	4.7
	4.0.		4.143	Comparator	4.7
	4-7.	Nertical Programifier 4.1	4.145	Horizontal Model Assembly
	4-9.		4-145.	(Schematic 15)	1.9
	4-11.	Delay Line 4-1	4 146	(Schematic 15)	. 4-0
	4-13.	Vertical Output Amplifier 4-1	4-140.	Display Switch	. 4-0
	4-15.	Trigger Circuits 4-1	4-140.	Display Switch	. 4-0
	4-17.	Main Integrator 4-1	4-150.		. 4-7
	4-22.	Hold-off and Comparator 4-2	4-153.	Horizontal Preamplifier Assembly
	4-25.	Delayed Integrator 4-2	1 121	(Schematic 15)	. 4-8
	4-28.	Horizontal Model Assembly 4-2	4-154.	General Information	. 4-8
	4-32.	Power Supply Block Diagram	4-156.	Input Circuit	. 4-8
		(Schematic 2) 4-2	4-158.	Differential Amplifier	. 4-8
	4-33.	Low Voltage Power Supply 4-2	4-160.	Horizontal Output Amplifier
	4-39.	High Voltage Power Supply 4-2		(Schematic 15)	. 4-8
	4-42.	Gate Assembly 4-3	4-161.	General Information	. 4-8
	4-44.	Detailed Circuitry 4-3	4-163.	Output Amplifier	. 4-8
	4-46	Input Attenuators (Schematic 3) 4-3	4-165.	Gate Assembly (Schematic 16)	. 4-8


٠

1

Page 5

TABLE OF CONTENTS (Cont'd)

Sectio	on	Title	Page	Sectio
	4 100		4.0
	4-100.	General Information	4-0
	4-168.	Intensity Control	4-8
	4-170.	Summing Amplifier	4-8	3
	4-172.	Multivibrator	4-8
	4-174.	Low Voltage Power Supply
		(Schematic 18)	4-8
	4-175.	General Information	4-8
	4-177.	A1 Power Module	4-8
	4-179.	A2 Line Rectifier	4-8
	4-181.	A3A1 Low Voltage Mother
		Board	4-9
	4-183.	Line Switching	4-9
	4-185.	A4 Gate Assembly	4-9
	4-189.	Low Voltage Power Supply
		(Schematic 19)	4-9
	4-190.	General Information	4-9	3
	4-193.	A3A1 Low Voltage Mother
		Board	4-9	1
	4-196.	Low Voltage Converter
		Assembly	4-9
	4-200.	Low Voltage Regulator	4-10
	4-205.	High Voltage Power Supply
		(Schematic 17)	4-10
	4-206.	General Information	4-10
	4-208.	High Voltage Oscillator	4-10	3
	4-210.	CRT Cathode Voltage	4-10
	4-213.	CRT Control Grid Voltage	a lander
		and Blanking	4-10	VI.
	4-215.	CRT Post Accelerator
		Voltage	4-10
V.	PERFO	RMANCE CHECKS AND		VII.
	ADJ	USTMENTS	5-1
	5-1.	Introduction	5-1
	5-3.	Equipment Required	5-1
	5-5.	Pozidrive Screwdrivers	5-1
	5-7.	HP 01701-68701 Service Kit	5-1
	5-9.	Performance Check	5-1	VIII.
	5-13.	Adjustments	5-1	9
	5-15.	Performance Check Record	5-2
	5-17.	Front Panel Adjustments	5-2
	5-19.	Front Panel Settings	5-2
	5-21.	Performance Test	5-3
	5-22.	Deflection Factor	5-3
	5-23.	Risetime	5-4
	5-24	Bandwidth	5-6
	5-25	Input Resistance	5-7
	5-26.	Common Model Rejection	5.0
	E 07	Main Sweep Time	5.10
	5-27.		5 12
	5-20.	Main Triggering	5.14
	5-29.	Trigger Level Repose and	0.14
	5-30.	Polarity	5-16
	5-31.	External Input Resistance	5-17
	5-32.	Delayed Sweep Time	5-18
	5-33.	Delayed Triggering	5-21
	5-34.	Delay Jitter	5-22
	5-35.	Adjustment Procedures	5-25

on	Title	Page
5-36.	Low Voltage Power Supply
	Adjustment	5-25
5-37.	High Voltage Power Supply
	Adjustment	5-26
5-38.	Intensity Limit Adjustment	5-26
5-39.	Y-Axis Alignment	5-27
5-40.	Gate Amplifier Response Adjustment	5-27
5-41.	Trigger Amplifier Balance and DC
	Level Adjustment	5-28
5-42.	Trigger Sensitivity Adjustment .	5-28
5-43.	Position Centering Adjustment .	5-29
5-44.	Sweep Length Adjustment	5-30
5-45.	Main Sweep Timing
	Adjustment	5-30
5-46.	X10 Gain Adjustment	5-32
5-47.	Mag Centering Adjustment	5-32
5-48.	Calibrator Adjustment	5-33
5-49.	Delayed Sweep Time
	Adjustment	5-33
5-50.	Low Frequency Pulse Response	5 05
	Adjustment	5-35
5-51.	Input Capacitance and Attenuator	F 05
	Compensation Adjustment	5-35
5-52.	Adjustment	E 26
	Adjustment	5-30
REPI AC	CEABLE PARTS	6-1
6-1	Introduction	6-1
6-3.	Ordering Information	6-1

MANUA	L CHANGES AND OPTIONS	7-1
7-1.	Introduction	7-1
7-3.	Manual Changes	7-1
7-5.	Special Options	7-1
7-9.	Standard Options	7-1
SCHEM	ATICS AND TROUBLESHOOTING	8-1
8-1.	Introduction	8-1
8-3.	Schematics	8-1
8-8.	Reference Designators	8-1
8-12.	Component Locations	8-1
8-14.	Troubleshooting	8-1
8-17.	Troubleshooting Aids	8-1
8-19.	DC Voltages	8-2
8-21.	Waveforms	8-2
8-23.	Test Points	8-2
8-25.	Test Equipment Required	8-2
8.27.	Service Kit	8-2
8-30.	Disassembly and Assembly
	Procedures	8-2
8-32.	CRT Removal and Replacement.	8-2
8-34.	CRT Shield Removal	8-2
8-36.	Vertical Module Removal
0.00	and Replacement	8-3
8-38.	and Replacement	0.2
8.40	Attenuator Removal	0.2
040.	and Replacement	8-3
	and the sector states the sector states and se	1000

iii

Page 6

Table of Contents List of Illustrations

Title

Section

Page


8-42.	Horizontal Module Assembly	8-59.	Diagram Notes	8-6
	Removal and Replacement 8-3	8-61.	Factory Selected Components	8-6
8-45.	Horizontal Mother Board Removal	8-63.	Etched Circuits	8-7
0.47	and Replacement	8-66.	Component Replacement	8-7
8-47.	Power Supply Module Removal	8-67.	Transistor Replacement	8-7
8.50	General Service Information 8.5	8-70.	Diode Replacement	8-7
8-51	Switch Maintenance 8-5	8-72.	Logic Circuits
8-55.	Attenuator Servicing		and Symbols	8-7
8-57.	Parts Location Aids 8-6	8-75.	Basic Gates	8-8

LIST OF ILLUSTRATIONS

Figure

Figur	re Title P	age
1-1.	Model 1707A Oscilloscope and
	Accessories	1-0
1-2.	Instrument Serial Number	1-2
2-1.	Rear Panel Module	2-1
2-2.	Battery Pack Installation 2-3/	2-4
3-1.	Control and Connectors 3-4/	3-5
3-2.	Auto and Norm Operation	3-6
3-3.	Single Sweep Operation	3-7
3-4.	Single and Dual Channel Operation	3-8
3-5.	A + B and A – B Operation	3-9
3-6.	Amplifier Balance Adjust 3	-10
3-7.	Delayed Operation 3	-11
4-1.	Simplified Schematic of DC to DC
	Converter 4	-10
5-1.	Deflection Factor Test Setup	5-3
5-2.	Risetime Test Setup	5-4
5-3.	Bandwidth Test Setup	5-6
5-4.	Input Resistance Test Setup	5-7
5-5.	Common Mode Rejection Test Setup	5-9
5-6.	Main Sweep Time Test Setup 5	-10
5-7.	Calibrator Measurement Test Setup 5	-13
5-8.	Main Triggering Test Setup 5	-14
5-9.	Trigger Range and Polarity Test Setup 5	i-16
5-10.	. Ext Input Resistance Test Setup 5	i-17
5-11.	. Delayed Sweep Time Setup 5	5-18
5-12	. Delayed Triggering Test Setup	5-21
5-13	. Delay Jitter Test Setup	5-22
5-14	. Adjustment Location 5	5-37
6-1.	Exploded View of Model 1707A	6-0
8-1.	Vertical Module Mechanical
	Parts Removal	8-4
8-2.	Attenuator Removal	8-4


8-3.	Examples of Diode and Transistor
	Marking Methods 8-8
8-4.	Basic AND and OR Gates 8-9
8-5.	Basic NAND and NOR Gates 8-10
8-6.	Logic Comparison Diagrams 8-10
8-7.	Basic NOR Gate Flip-Flop 8-11
8-8.	Triggered Flip-Flop 8-11
8-9.	Component Identification, Interior
	Front and Rear Panel
8-10.	Component and Assembly
	Locations 8-17/8-18
8-11.	Main Block Diagram 8-19/8-20
8-12.	Power Supply Block Diagram 8-21/8-22
8-13.	75 MHz Attenuator Component
	Identification 8-23
8-14.	75 MHz Attenuator Schematic 8-23
8-15.	Vertical Preamplifier Assembly A5A4
	Component Identification
8-16.	Channel A Preamplifier Measurement
	Conditions and Waveforms 8-25
8-17.	Vertical Preamplifier Assembly A5A4
	Schematic No. 4 8-25/8-26
8-18.	Channel A Preamplifier Measurement
	Conditions and Waveforms 8-27
8-19.	Vertical Preamplifier A5A4
	Schematic No. 5 8-27
8-20.	Vertical Output Amplifier A5A5
	Component Identification
8-21.	Vertical Preamplifier and Output Amplifier
	Measurement Conditions
	and Waveforms 8-29/8-30
8-22.	Vertical Preamplifier A5A4 and Vertical
	Output Amplifier A5A5
	Schematic No. 6 8-29
8-23.	Vertical Preamplifier Measurement
	Conditions and Waveforms 8-31
8-24.	Vertical Preamplifier A5A4
	Schematic No. 7 8-31

Title

Page 7

Figure

LIST OF ILLUSTRATIONS (Cont'd)

Page

	- Ci
8-25. Trigger Assembly A6A2
Component Identification	8-32
8-26. Trigger Assembly Measurement Conditions	10 21
8-27. Trigger Assembly A6A2	/0-34
Schematic No. 8 8-33	/8-34
Conditions and Waveforms	8.35
0.20 Trigger Assembly AGA2 Sebematic No. 0	0.35
8-30. Main Integrator A6A3 Component	0-30
Identification	8-36
8-31. Horizontal Mother Board A6A1
Component Identification	8-36
8-32. Main Integrator Measurement Conditions
and Waveforms	8-37
8-33. Main Integrator A6A3 Schematic No. 10	8-37
8-34. Main Sweep Time Assembly A6A5
Component Identification	8-38
8-35. Main Sweep Time Measurement
Conditions	8-38
8-36. Main Sweep Time Assembly A6A5
Schematic No. 11	8-39
8-37. Delayed Integrator A6A4 Component	0.40
	8-40
8-38. Delayed Integrator Measurement	0.41
Conditions and Waveforms	8-41
8-39. Delayed Integrator A6A4 Schematic No. 12.	8-41
8-40. Delayed Sweep Time Assembly A6A6
Component Identification	8-42
8-41. Delayed Sweep Time Measurement
Conditions	8-43
8-42. Delayed Sweep Time Assembly A6A6
Schematic No. 13	8-43
8-43. Holdoff and Comparator A6A7
Component Identification	8-44
8-44. Holdoff and Comparator Measurement
Conditions and Waveforms	8-45
8-45. Holdoff and Comparator A6A7
Schematic No. 14	8-45
8-46. Horizontal Mode Assembly A6A8
Component Identification	8-46

Title

Figure	Title	Page
8-47. H	orizontal Preamplifier Assembly A6A9
8-48. H	Component Identification	8-46
0 40 LL	A6A10 Component Identification	8-46
0-49. H	Measurement Conditions and Waveforms .	8-47
8-50. H	orizontal Mode A6A8, Preamplifier A6A9 and Output Amplifier A6A10
8-51 G	Schematic No. 15	8-47
8.52 G		8-48
8.53 G	Waveforms	8-49
8-54. H	igh Voltage Oscillator A3A4	0.45
8-55. H	igh Voltage Oscillator Measurement	0-50
8-56. H	igh Voltage Oscillator A3A4	8-51
8-57. Lo	w Voltage Mother Board A3A1	8-51
8-58. Lo	Component Identification	8-52
8-59. Po	Measurement Conditions	8-53
8-60 1	Schematic No. 18	8-53
0.00. 1		8-54
8-61. Lo		8-55
0.02.1	Schematic No. 19	8-55
8-03. L		8-56
8-64. G	ate Assembly Measurement Conditions and Waveforms	/8-58
8-65. L	ine Rectifier and Filter A3A3	10 50
8-66. H	orizontal Mother Board A6A1	/8-58
	Schematic No. 21 8-59	/8-60

LIST OF TABLES

lable	litte Page
1-1.	Specifications 1-3
1-2.	Reference Designators and
	Abbreviations 1-5/1-6
1-3.	Model 1707A Accessories Available 1-5/1-6
2-1.	Shipping Carton Test Strength 2-2
5-1.	Recommended Test Equipment 5-0
5-2.	Deflection Factor Accuracy 5-2
5-3.	Main Sweep Performance Check 5-12
5-4.	Delayed Sweep Performance 5-19
5-5. 5-6.	Power Supply Voltage Limits

TableTitlePage5-7.Delayed Sweep Time Adjustments5-345-8.Square Wave Adjustments5-365-9.Capacitance Adjustments5-376-1.Reference Designator and Abbreviations6-16-2.Replaceable Parts6-26-3.Code List of Manufacturers6-187-1.Manual Changes7-17-2.Model 1707A Options7-18-1.Etched Circuit Soldering Equipment8-68-2.Logic Symbology8-128-3.Schematic Notes8-15

Table of Contents List of Tables

Page 8

Figure 1-1. Model 1707A Oscilloscope and Accessories

Page 9

SECTION I

GENERAL INFORMATION

1-1. INTRODUCTION.

1-2. This manual provides operating and servicing information for the Hewlett-Packard Model 1707A Oscilloscope (Figure 1-1). The manual is divided into eight sections, each covering a specific topic or aspect of the instrument. All schematics are located at the rear of the manual and can be unfolded and used for reference while reading any part of the manual.

1-3. This section contains a description of the Model 1707A. The instrument specifications are listed in Table 1-1. Table 1-2 lists and describes the abbreviations used in this manual. Table 1-3 lists the accessories available for the Model 1707A. Standard options available for this instrument are listed in Section VII.

1-4. DESCRIPTION.

1-5. INTRODUCTION.

1-6. The Hewlett-Packard Model 1707A Oscilloscope is a general purpose wide-band oscilloscope designed for bench or field service. The Model 1707A operates from an ac line, dc line or an optional battery pack. The optional rechargeable nickel cadmium battery provides up to 4 1/2 hours of operation and requires a recharge time of approximately 14 hours.

1-7. A carrying handle provides for ease of transportation and is adjustable to allow the Model 1707A to be placed at an angle for viewing the CRT. The CRT dimensions are 6 by 10 centimeters.

1-8. VERTICAL CIRCUITS.

1-9. The Model 1707A contains two identical vertical amplifiers for single or dual channel operation. Each channel offers a choice of ac or dc coupling. Common mode rejection is at least 40 dB at 10 mV/div, and 20 dB for the rest of the deflection ranges.

1-10. Nine calibrated switch settings provide a deflection factor range from 10 mV/div to 5 V/div in a 1, 2, 5 sequence. The vertical verniers permit continuous adjustment between calibrated steps and extend the least sensitive deflection factor (5 V/div) to 12.5 V/div.

1-11. With the dual trace feature, (Channel A, Channel B) displays can be obtained on either Channel A or B, Channels A and B, Channels A + B and Channels A - B.

Simultaneous display of two signals is possible in either chop or alternate mode of operation. During chop operation, channels are switched at about 100-kHz rate during each sweep. In alternate mode of operation, the signal applied to each channel is displayed on alternate sweeps. Sweep is triggered on the displayed signal in A, B, and A + B modes. In chop or alternate modes the sweep is triggered by Channel A only.

1-12. HORIZONTAL CIRCUITS.

1-13. Vertical input signals can be displayed by either an internally generated trigger or an external trigger signal. Trigger level, slope, and coupling are also selectable.

1-14. Operation of the delayed sweep while in the main mode provides for intensification of the trace. The amount of intensification width depends on the delay front panel settings. In the delay mode, the intensified portion is displayed across the entire CRT.

1-15. Sweep speed settings from 0.1 usec/div to 0.2 sec/div (Main mode) and 0.1 usec/div to 0.1 sec/div (Delayed mode) are available in a 1, 2, 5 sequence. Vernier controls allow continuous adjustment between steps and extends the slowest sweep to 0.5 sec/div (Main) and 0.25 sec/div (Delayed). Using the MAG X10 function, the fastest sweep speed can be expanded to 10 ns/div.

1-16. By operating in AUTO Mode, a bright baseline is displayed in the absence of a trigger input signal. When a trigger signal above 40 Hz is applied, it overrides the auto baseline circuit and controls the sweep. NORM mode of operation provides a baseline only in the presence of a trigger signal.

1-17. Single sweep operation can be operated in two modes.

a. SINGLE (RESET) NORM. Sweep activates when next trigger signal is applied.

b. SINGLE (RESET) AUTO. Sweep activates immediately when RESET button is pressed.

1-18. CATHODE-RAY TUBE.

1-19. The Model 1707A uses a post-accelerator CRT with a non-glare rectangular faceplate. An internal graticule is located on the same plane as the display to eliminate parallax errors. The tube has a 20.2 K-volt accelerating potential. The six vertical by ten horizontal divisions are square centimeters.

1-20. A type P31 phosphor is used in the standard CRT. Other types of phosphors are optional. Special graticules

Page 10

General Information

Model 1707A

(or no graticule) are also available by special order. Refer to Section VII for further information about optional and special-order modification.

NOTE

Due to phosphor burn sensitivity, instruments with a P11 phosphor do not have the intensified function of the beamfinder.

1-21. WARRANTY.

1-22. The instrument (except the CRT) is certified and warranted as stated on the inside front cover of this manual. The CRT is covered by a separate warranty. The CRT warranty and a warranty claim form are located at the rear of this manual. Should the CRT fail within the time specified on the CRT warranty page, complete the warranty claim form and return it with the defective CRT. The procedure for returning a defective CRT is described on the CRT warranty page.

The warranty may be void for instruments having a mutilated serial tag.

1-23. INSTRUMENT AND MANUAL IDENTI-FICATION.

1-24. This manual applies directly to Model 1707A instruments with a serial prefix number as listed on the manual title page. The serial prefix number is the first group of digits in the instrument serial number (Figure 1-2). The instrument serial number is on a tag located on the rear panel.

Figure 1-2. Instrument Serial Number

1-25. Check the serial prefix number of the instrument. If the serial prefix number is different from that listed on the title page of this manual, refer to Section VII for instructions to adapt this manual for proper instrument coverage.

1-26. Technical corrections to the manual are listed under errata on an enclosed MANUAL CHANGES sheet (if any).

1-27. INQUIRIES.

1-28. Refer any questions regarding the manual, the change sheet, or the instrument to the nearest HP Sales/Service Office. Always identify instrument by model number, complete name, and complete serial number in all correspondence. Refer to the inside rear cover of this manual for a world-wide listing of HP Sales/Service Offices.

Page 11

VERTICAL AMPLIFIERS

MODES OF OPERATION: Channel A alone; Channel B alone; Channels A and B displayed alternately on successive sweeps (ALT); Channels A and B displayed by switching between channels at approx 100 kHz rate (CHOP), with blanking during switching; Channel A plus Channel B algebraic addition).
BANDWIDTH: (Direct or with Model 10006B probe; 3 dB down from 6 div reference signal at 50 kHz from 25-ohm source).
DC-Coupled: dc to 75 MHz.

AC-Coupled: 10 Hz to 75 MHz.

RISETIME: <4.7 ns Direct or with Model 10006A probe; 10% to 90% with 6 div input step from 25-ohm source).

DEFLECTION FACTOR

Ranges: from 10 mV/div to 5 V/div (9 ranges) in 1, 2, 5 sequence. ±3% accuracy with vernier in calibrated position.
Vernier: continuously variable between all ranges. Extends maximum deflection factor to at least 12.5 V/div.
POLARITY: NORM or INVT, selectable on Channel B only.
SIGNAL DELAY: input signals are delayed sufficiently to view leading edge of input signals without advanced external trigger.
INPUT RC: 1 megohm ±2% shunted by approx 24 pF.
INPUT COUPLING: AC, DC, or Ground selectable. Ground position disconnects signal input and grounds amplifier input.

MAXIMUM INPUT

AC-Coupled: ±600V (dc + peak ac); rms ac <350V, 5 V/ div to 20 mV/div; <150V at 10 mV/div (10 kHz or less).
DC-Coupled: <350V (rms) 5 V/div to 20 mV/div; <150V at 10 mV/div (10 kHz or less).

A + B OPERATION

Amplifier: bandwidth and deflection factors are unchanged; Channel B may be inverted for A – B operation.

COMMON MODE (A - B)

Frequency: dc to 1 MHz.

Rejection Ratio: at least 40 dB on 10 mV/div, at least 20 dB on all other ranges with verniers set for optimum rejection. Common mode signal amplitude equivalent to 30 div.

TRIGGERING SOURCE

A, B, A + B: on the signal displayed. Chop and Alternate Modes: on Channel A only.

MAIN TIME BASE

SWEEP

Ranges: from 0.1 usec/div to 0.2 sec/div (20 ranges) in 1, 2, 5 sequence. ±3% accuracy with vernier in calibrated position.

Vernier: continuously variable between all ranges; extends slowest sweep to at least 0.5 sec/div. Vernier uncalibrated light indicates when vernier is not in CAL position.
Magnifier: expands all sweeps by a factor of 10 and expands fastest sweep to 10 ns/div. Accuracy ±5%.

SWEEP MODE

Normal: sweep is triggered by an internal or external signal.
Automatic: bright baseline displayed in absence of input signal. Triggering same as normal except low frequency limit is 40 Hz.
Single: In normal mode, sweep occurs once with same triggering as normal; reset pushbutton arms sweep and lights indicator; in Auto mode, sweep occurs once each time reset pushbutton is pressed.

TRIGGERING

Internal: dc to 35 MHz on signals causing 0.5 division or more vertical deflection increasing to 1.5 divisions at 75 MHz in all display modes except chop; dc to 100 kHz in CHOP mode.

External: from dc to 35 MHz on signals 50 mV p-p or more, increasing to 100 mV p-p at 75 MHz.
Input RC: 1 megohm, ±2% shunted by approximately 27 pF.

Level and Slope:

Internal: at any point on the vertical waveform displayed.

External: continuously variable from +1.5V to -1.5V on either slope of the trigger signal. Maximum input, ±100V.

Coupling: (AC, DC, HF REJ, LF REJ).

AC: attenuates signals below approx 20 Hz.

LF REJ: attenuates signals below approx 15 kHz.
HF REJ: attenuates signals above approx 30 kHz.
TRIGGER HOLDOFF: time between sweeps continuously variable, exceeding one full sweep at 20mS/div and faster.

DELAYED TIME BASE

SWEEP

Ranges: from 0.1 usec/div to 0.1 sec/div (19 ranges) in 1, 2, 5 sequence. ±3% accuracy with vernier in calibrated position.
Vernier: continuously variable between all ranges; extends slowest sweep to 0.25 sec/div.

TRIGGERING

Internal: dc to 35 MHz on signals causing 0.5 divisions or more vertical deflection increasing to 1 division at 75 MHz in all display modes except chop; dc to 100 kHz in CHOP mode.

Automatic: delayed sweep is automatically triggered at end of delay time.

Level and Slope

Internal: at any point on the vertical waveform displayed.

Page 12

Page 13

SECTION II

INSTALLATION

2-1. INTRODUCTION.

2-2. This section contains instructions for performing an initial inspection of the Model 1707A. Installation procedures and precautions are presented in step-by-step order. The procedures for making a claim for warranty repairs and for repacking the instrument for shipment are also described in this section.

2-3. INITIAL INSPECTION.

2-4. The instrument was inspected mechanically and electrically before shipment. Upon receipt, inspect it for damage that may have occurred in transit. Check for broken knobs, bent or broken connectors, and dents or scratches. If damage is found, refer to the claims paragraph in this section. Retain the packing material for possible future use.

2-5. Check the electrical performance of the instrument immediately after receipt. Refer to Section V for the performance check procedure. The performance check will determine whether or not the instrument is operating within the specifications listed in Table 1-1. Initial performance and accuracy of the instrument are certified as stated on the inside front cover of this manual. If the instrument does not operate as specified, refer to the claims paragraph in this section.

Voltages are present inside the instrument when the power switch is off and ac power cord connected.

2-6. CLAIMS.

2-7. The warranty statement applicable to this instrument is printed inside the front cover of this manual. Refer to the rear of this manual for the CRT warranty statement. If physical damage is found or if operation is not as specified when the instrument is received, notify the carrier and the nearest Hewlett-Packard Sales/Service Office immediately (refer to the list in back of this manual for addresses). The HP Sales/Service Office will arrange for repair or replacement without waiting for settlement of the claim with the carrier.

2-8. PREPARATION FOR USE.

2-9. THREE-CONDUCTOR AC POWER CABLE.

2-10. For the protection of operating personnel, Hewlett-Packard Company recommends that the instrument panel and cabinet be grounded. This instrument is equipped with a three-conductor ac power cable that, when connected to an appropriate receptacle, grounds the instrument through the offset pin. The power jack and mating plug of the power cord meet International Electrotechnical Commission (IEC) safety standards. To preserve this protection feature when operating from a two-contact outlet, use a three-conductor to two-conductor adapter, and connect the adapter wire to ground at the power outlet.

2-11. DC PLUG.

2-12. A dc plug is provided for operating from a dc line. The cable used for the dc power cord must be able to carry 2A of current with a voltage loss of less than 1 volt.

2-13. POWER REQUIREMENTS.

2-14. The Model 1707A can operate either from an AC or DC power source. For AC operation, the Model 1707A requires a 115-or 230-volt ±20%, single phase, 48 to 440 Hz source than can deliver 50 volt-amperes.

Figure 2-1. Rear Panel Module

Page 14

Installation

2-15. A slide switch inside the power module (Figure 2-1) on the rear panel determines 115- or 230-volt operation. To check or change the position of this slide switch proceed as follows:

a. Turn instrument off and remove power cord from rear panel.

b. Move plastic cover to left (Figure 2-1).

c. Pull out lever under fuse. This removes fuse (0.5A/ 115V operation) from the instrument.

d. Check to see that slide switch (Figure 2-1) is to the right for 115V operation.

e. For 230V operation, move slide switch to the left and install a 0.25A slow-blow fuse.

2-16. For dc operation, the Model 1707A requires 11.5 to 36 volts 25 watts maximum. The instrument can also be operated from a battery pack. Depending on the power mode of operation, the POWER MODE switch (on rear panel) should be set to one of three positions: DC LINE, INTERNAL BATTERY, or AC LINE.

2-17. BATTERY INSTALLATION.

2-18. To install the battery pack in the Model 1707A see Figure 2-2 and proceed as follows:

NOTE

Read operating Note on battery before installation.

a. Set power switch to OFF and remove power cord from the rear-panel connector.

b. Set POWER MODE switch to INTERNAL BAT-TERY position.

c. Remove bottom cover.

d. Place battery pack in instrument as shown in Figure 2-2.

e. Fasten battery pack in place using screws provided.

f. Connect P1 to battery J1.

g. Replace bottom cover.

h. Set Power Switch to ON and observe POWER indicator. If power lamp is lighted resume normal operation.

CALITION

If power lamp is flashing, battery is discharged. Damage to the battery will result if operated in this condition. Refer to Section III for battery charging procedure.

2-19. REPACKING FOR SHIPMENT.

2-20. If the Model 1707A is to be shipped to a Hewlett-Packard Sales/Service Office for service or repair, attach a tag showing owner (with address), complete instrument serial number, and a description of the service required.

2-21. Use the original shipping carton and packing material. If the original packing material is not available, the HP Sales/Service Office will provide information and recommendations on materials to be used. Materials used for shipping an instrument normally include the following:

a. A double-walled carton; refer to Table 2-1 for test strength required.

b. Heavy paper or sheets of cardboard to protect all instrument surfaces; use a nonabrasive material such as polyurethane or cushioned paper such as Kimpak around projecting parts.

c. At least 4 inches of tightly-packed, industry-approved, shock-absorbing material such as extra-firm polyurethane foam.

d. Heavy-duty shipping tape for securing outside of carton.

Table 2-1. Shipping Carton Test Strength

Gross Weight (Ib)	Carton Test Strength (lb)
up to 10	200
10 to 30	275
30 to 120	350
120 to 140	500
140 to 160	600

Page 15

Figure 2-2. Battery Pack Installation

Page 16

Page 17

SECTION III

3-1. INTRODUCTION.

3-2. This section provides general operating instructions and applications information for the Model 1707A. Frontand rear-panel controls and connectors are identified and briefly described in Figure 3-1. General operating instructions are provided in Figures 3-2 thru 3-5 and operational adjustments are detailed in Figure 3-6. Delayed operation is detailed in Figure 3-7.

3-3. CONTROLS AND CONNECTORS.

3-4. The following paragraphs explain some of the controls and connectors in detail.

3-5. BEAM FINDER. Pressing this pushbutton increases the intensity and reduces amplifier gain enough to return beam to viewing area. This enables the operator to locate the beam and determine the action necessary to center a display (examples: reduce input signal amplitude, a change in coupling, adjust deflection factor, trigger level, dc balance, position controls, or intensity). When centered properly, the beam remains on the CRT when the pushbutton is released.

NOTE

Due to phosphor burn sensitivity, instruments with a P11 phosphor do not have the intensified function of the beam finder.

3-6. SCALE ILLUMINATION. This control adjusts the overall brightness of the CRT graticule. It should be adjusted for good contrast between the background and graticule. The SCALE ILLUM control is especially useful when using a hood to view the display or when photographing waveforms. Rotate the control to off when scale illumination is not needed.

3-7. TRACE ALIGN. The TRACE ALIGN adjustment compensates for external magnetic fields that may affect the alignment of the horizontal trace with the graticule. The alignment should be checked when the instrument is moved to a new location and adjustment made whenever necessary.

3-8. CALIBRATOR 1 VOLT. The 1 volt, 1 kHz squarewave output of the calibrator can be used for vertical sensitivity calibration and for divider probe compensation. The amplitude accuracy is ±1% and the frequency accuracy is ±10%.

3-9. FOCUS AND ASTIGMATISM. Both of these controls are used to obtain a sharp display. Normally, the ASTIGMATISM control need not be readjusted once it is set.

3-10. COUPLING (AC-GND-DC). This lever switch selects either capacitive (AC) or direct (DC) coupling of the input signal to the amplifier, or it grounds (GND) the amplifier input stage while disconnecting the input signal. The switch should be positioned to DC when viewing long duration pulses or dc levels of waveforms. AC should be selected when viewing ac waveforms having large dc levels. GND position is used to disconnect the signal source from the input of the amplifier and at the same time grounds the input of the amplifier. It is useful to use GND position to establish a reference.

3-11. DISPLAY. This control selects the type of display. Input signals may be displayed either singly or simultaneously as explained below.

a. Position A displays channel A input signal and selects channel A as a trigger source.

b. Position A + B displays the algebraic sum of the channel A and channel B input signal and selects the composite signal of channels A and B as a trigger source.

c. CHOP position presents a separate display of each input. Both inputs are displayed during the same sweep by switching between each channel at a rate of 100 kHz. This mode should be used to display low frequency signals. Trigger source in this mode is channel A.

d. ALT position presents each channel on alternate sweeps. This mode should be used to display high frequency signals. Trigger source in this mode is channel A.

e. Position B displays channel B input signal and selects channel B as a trigger source.

3-12. B POL. This control inverts the channel B display 180°. This control can also be used to present an A-B display. Set DISPLAY to A + B mode. Put B POL switch in INVT position. Display observed is A – B.

3-13. SWEEP DISPLAY. This switch is mounted concentric to the MAIN and DELAYED TIME/DIV controls

Page 18

Operation

and determines the sweep display mode; MAIN SWEEP and DELAYED SWEEP are the two display modes. The function of each mode is as follows:

a. Main Sweep. In this mode, the main sweep sets a time base reference for the vertical signal. Main sweep controls are mounted on the right side of the front panel, and sweep speed is selected by MAIN TIME/DIV. If DELAYED TIME/DIV is set to OFF, sweep intensity is uniform. However, any other setting of DELAYED TIME/DIV causes the sweep to intensify during the time that the delayed sweep is generated. This feature makes it possible to select a point of interest on the main sweep time base before viewing in the DELAYED SWEEP mode.

b. Delayed Sweep. Main sweep is not displayed in this mode. Only the intensified portion of the sweep displayed in MAIN SWEEP is used as a time base. The sweep speed is controlled by DELAYED TIME/DIV.

3-14. TIME/DIV. MAIN and DELAYED TIME/DIV switches determine the amount of time to sweep horizontally one graticule division. Both controls are concentric and interlocked so the delayed sweep is always faster than the main sweep. Main sweep speeds are selectable by MAIN TIME/DIV in twenty ranges from 0.1 usec/div to 0.2 sec/div. Nineteen ranges of delayed sweep speeds from 0.1 usec/div to 0.1 sec/div are provided by DELAYED TIME/DIV. Also, by switching the MAG control to X10, a display can be expanded up to ten times, increasing the fastest sweep to 10 nsec/div.

3-15. VERNIER. Sweep speed is calibrated to TIME/DIV when both the MAIN and DELAYED VERNIER controls are set fully clockwise to the CAL detent position. As the VERNIER controls are turned counterclockwise, the VERNIER UNCAL indicator lights and sweep speeds decrease. The MAIN VERNIER control extends the slowest sweep to at least 0.5 sec/div. The DELAYED VERNIER control extends the slowest sweep to at least 0.25 sec/div. The vernier controls are useful for making continuous adjustments of sweep speed, however TIME/ DIV readings are uncalibrated.

3-16. TRIGGER LEVEL. These controls select the point on the sync signal that starts the sweep. Triggering point is adjustable at any level on the displayed signal in INT position. In the EXT position the triggering point is adjustable from +1.5V to -1.5V along the sync signal. DELAYED TRIGGER LEVEL has no function when DELAYED SWEEP MODE is set to AUTO.

3-17. TRIGGER HOLDOFF. This adjustment is a dual purpose control. It is a log tapered potentiometer. When the control is rotated out of detent position, the first portion of the control acts as a high frequency stability control. This prevents double triggering on high frequency waveforms. As the control is rotated further out of detent position, it functions as a trigger hold off and allows the instrument to synchronize on complex waveforms.

3-18. SWEEP MODE. This group of controls selects the type of main and delayed sweep triggering. Main sweep free-runs in AUTO giving a bright base line in the absence of a sync signal. However, if a sync signal 40 Hz or greater is applied, it overrides free-run operation and triggers the sweep. Due to its convenience, the AUTO sweep mode can be used for most applications. Use NORM if the sync signal is erratic or is less than 40 Hz. A sync input signal is always needed in NORM to generate a sweep.

3-19. In the SINGLE mode, the sweep is generated only once. To sweep again, push RESET pushbutton and release. This arms the sweep circuit. This feature is particularly useful for viewing or photographing single transient waveforms.

3-20. When the DELAYED SWEEP MODE is set to AUTO, the delayed sweep starts at the end of the delay time. In the TRIG mode, the delayed sweep is started by the first sync signal after the delay time.

3-21. TRIGGER. Main and delayed trigger source is selected by this group of controls. In the INT position, sweep is synchronized to the vertical deflection signal.

3-22. When EXT is selected, the sweep is triggered by sync signals applied to the EXT TRIG INPUT connector.

3-23. Sync Coupling (AC-DC). These controls determine the type of main and delayed sync coupling. Direct coupling (DC) is normally used for sync signals from dc to less than 20 Hz. Capacitive coupling (AC) blocks the dc component of a sync signal and passes only the ac component. AC coupling does, however, attenuate signals below 20 Hz. LF REJ attenuates signals below approximately 15 kHz and is used to prevent power line or other low frequency signals from triggering the sweep. HF REJ attenuates signals above approximately 30 kHz and can be used to prevent high frequency noise from triggering the sweep.

3-24. SLOPE. These controls determine whether the sweep triggers on the positive-going (+) or negative-going (-) portion of the sync signal. When the DELAYED SWEEP MODE is set to AUTO, the DELAYED SLOPE control has no function.

3-25. BATTERY RECHARGE OPERATION.

3-26. To recharge Model 10103A Battery Pack proceed as follows:

a. Set front panel POWER switch to OFF.
b. Set rear panel POWER MODE switch to AC LINE.

c. Connect ac power to the instrument. Recharge time is approximately 14 hours.

d. To maintain a fully charged battery place POWER switch to ON position. This will apply a small trickle charge of about 40 mA to the batteries.

Page 19

3-27. PREOPERATIONAL ADJUSTMENTS.

3-28. FOCUS AND ASTIGMATISM ADJUST.

To adjust focus and astigmatism proceed as follows:

a. Set all pushbuttons out.
b. Set channel A controls as follows:

VOLTS/DI	٧	÷		•		×.	ž	4	÷	x		÷		x		÷		÷					.01
DISPLAY	÷					a.	ŝ	a.	÷						•	×						÷	Α
POSITION											С	e	nt	e	r	Т	ra	C	е	0	n	С	RT

c. Set MAIN TIME/DIV to .2 SEC.
d. Turn MAIN VERNIER full ccw.
e. Set INTENSITY to observe dot.

f. Adjust FOCUS and ASTIGMATISM controls for best defined dot, as dot moves slowly across CRT.

3-29. INITIAL TURN-ON

3-30. To place the Model 1707A into operation perform the following steps:

a. Set INTENSITY to full counterclockwise.
b. Set vertical POSITION A and B to midrange.
c. Set DISPLAY to CHOP.
d. Set VOLTS/DIV to 5V.
e. Set vertical vernier channel A and B to CAL detent.
f. Place B POL to NORM.
g. Set vertical coupling channel A and B to GND.
h. Set HORIZONTAL POSITION to midrange.
i. Set MAIN TIME/DIV to 1 mSEC.
j. Set DELAYED TIME/DIV to OFF.

k. Set MAIN and DELAYED VERNIER to CAL detent.

I. Set SWEEP MODE to AUTO.
m. Set TRIGGER to INT.

Verify proper position of POWER MODE switch located on rear panel.

n. Apply operating power and allow fifteen minutes warm up time.

3-31. OPERATING PROCEDURES.

3-32. Figures 3-2 thru 3-7 are operating plates containing step-by-step operating procedures indexed to photographs. The figures describe the operations to be accomplished in achieving the different modes of operation.

3-33. OPERATORS PERFORMANCE CHECK.

3-34. The operation of the Model 1707A may be checked without use of additional test equipment by using the CAL 1 VOLT output as a signal source. These operating tests will functionally check each of the operating display modes and the operation of the front-panel controls. To check specifications listed in Table 1-1, refer to Section V for Performance Checks. The operation check must be performed in the sequence given. Do not attempt to start a procedure in mid-sequence, as succeeding steps depend on control settings and results of previous steps. If any of the results are unobtainable, refer to Section V, Performance Checks and Adjustment Procedures, or Section VIII. Schematics and Troubleshooting.

a. Set Model 1707A controls as follows:

CHANNEL A

VOLTS/DI	V			्र						ų.	a.			a)		a.	2	G.		4	ŝ	2
Coupling .		્ર								a.	•	÷	e,	÷		÷				J	A	С
VOLTS/DI	٧	١	16	er	ni	ie	r											×		С	A	L
POSITION							×									а	S	re	q	ui	re	d
DISPLAY																				Ģ.		А
B POL			2		2		÷.	ŝ	ŝ			į.	ç		ģ			1	N	0	RI	N

CHANNEL B

VOLTS/DIV	a		a.	÷	a.	a.	÷	÷	÷				÷	×.	N/A
Coupling		•				•	e	÷	•	•	æ	•	÷		N/A
VOLTS/DIV Vernier	ŝ		÷	•	4		•	÷						æ	N/A
POSITION															N/A

HORIZONTAL POSITI	C	1	١		÷						÷		as	re	quired
MAIN VERNIER			÷		÷				÷			i.			CAL
DELAYED VERNIER			æ	÷		эř	÷		•		•	y.			CAL
Sweep Display	×	÷		•	•			÷		٢	N.	A	IN	IS	WEEP
MAIN TIME/DIV									•				0	.5	mSEC
DELAYED TIME/DIV				•	÷	į.			•	•	ł	ł	÷.		OFF

AUTO/NORM AUTO
AUTO/TRIG AUTO
RIGGER INT
AIN SLOPE +
DELAYED SLOPE +
MAIN TRIGGER LEVEL as required
DELAYED TRIGGER LEVEL N/A
RIGGER HOLDOFF NORM
MAG X1

Page 20

Operation

Figure 3-1. Controls and Connectors

Page 21

1. INTENSITY, Controls brightness of display.
2. BEAM FINDER. Returns display to viewing area.
POWER-OFF. Toggle switch with indicator light for turning oscilloscope on and off. Light flashes when optional battery is discharged.
4. FOCUS. Adjusts writing beam for sharpest trace.
SCALE ILLUM. Controls brightness of scale illumination.
6. TRACE ALIGN. Adjust to align trace with horizontal graticule line.
CAL 1 VOLT. Provides a 1-kHz square wave at 1 volt ±1%.
8. ASTIGMATISM. Adjusts roundness of writing spot.
DELAY TIME. Selects time delay between start of main sweep and start of delayed sweep.
VERNIER. Provides continuous control of sweep time between calibrated positions of TIME/DIV switch.
11. TRIGGER LEVEL. Selects amplitude point on trigger signal that starts sweep.
12. AUTO/TRIG.
- a. AUTO. Delayed sweep starts automatically at end of delay time.
- b. TRIG. Delayed sweep arms at end of delay time and is ready to be triggered internally.
AC/DC Selects delayed sweep trigger signal coupling.
14. SLOPE +/-. Selects slope of delayed trigger signal that starts sweep.
TIME/DIV. Controls sweep time in DELAYED mode. Controls intensified portion of sweep in MAIN mode.
16. Display. Controls MAIN or DELAYED SWEEP.
17. HORIZONTAL POSITION. Controls coarse and fine horizontal position of display.
TIME/DIV. Controls sweep time in MAIN SWEEP mode.
19. VERNIER. Provides continuous control of sweep between calibrated positions of TIME/DIV switch.
20. VERNIER UNCAL. Lights when either MAIN or DELAY VERNIER is not in CAL position.
TRIGGER HOLDOFF, Provides continuous control of time between sweeps. NORM-hold off time is minimum.
22. TRIGGER LEVEL. Selects amplitude point on trigger signal that starts sweep.
23. SINGLE. Selects single or normal sweep operation.

24. RESET. Resets sweep in SINGLE sweep mode; reset light indicates when sweep is armed.
25. AUTO-NORM.
- AUTO. Automatic sweep in absence of trigger signal or triggered sweep by applying a trigger signal above 40 Hz rate.
- b. NORM. Sweep is triggered only by applying a trigger signal.
MAG X1/X10. In X10 position, sweep is magnified ten times.
27. INT-EXT. Selects internal or external sweep triggering.
28. AC/DC. Selects main sweep trigger signal coupling.
29 HF REJ. Attenuates trigger signals above 30 kHz.
30. LF REJ. Attenuates trigger signal below 15 kHz.
31. SLOPE +/-. Selects slope of trigger signal that starts a sweep.
32. EXT TRIG INPUT, External trigger input.
33. DISPLAY. Selects type of display; either single channel or dual channel and trigger source.
34. B POL. Controls channel B polarity.
35. VERNIER UNCAL. Lights when either vernier control is out of full clockwise CAL detent position.
Coupling (AC-GND-DC). Selects capacitive (AC) or direct (DC) coupling of input signal, or grounds the amplifier stage while disconnecting the INPUT.
37. INPUT. Input signal connects to BNC connector.
38. DC BAL. Adjust to minimize vertical shift of trace when Vernier is rotated.
39. POSITION. Varies vertical position of display.
40. CAL. Adjust to calibrate amplifier with setting of VOLTS/DIV switch.
41. Vernier (CAL). Provides continuous adjustments of volts/div between calibrated positions of VOLTS/DIV switch.
42. VOLTS/DIV. Selects the vertical deflection factor necessary for calibrated measurements.
43. Z-AXIS INPUT. Z-Axis input connector.
AC LINE. Power input from ac line. Power Module contains ac line fuse (.50 amp slow-blow for 115V, .25 amp slow-blow for 230V) and line selector switch.
45. POWER MODE. Selects line, ac line or internal battery operation.
46. DC LINE. Power input for dc line operation.
FUSE. 2 amp slow-blow fuse in circuit for all modes of operation.

Figure 3-1. Controls and Connectors (Cont'd)

Page 22

AUTO OPERATION

1. Adjust vertical controls for desired display, and connect vertical input signal.
2. Set display mode to MAIN SWEEP.
3. Set SWEEP MODE to AUTO.
4. Set MAG switch to X1.
5. Set TRIGGER to desired trigger source. If EXT trigger is selected, connect trigger signal to TRIG INPUT jack.

6. Set Coupling to desired position.
7. Set MAIN SLOPE to desired position.
8. Turn MAIN TIME/DIV to desired sweep speed.
9. Adjust MAIN TRIGGER LEVEL for stable display.

NORM OPERATION.

A. Press SWEEP MODE, AUTO/NORM pushbutton in.

Figure 3-2. Auto and Norm Operation

Page 23

1707A -R - 7A

SINGLE (RESET) NORM OPERATION

1. Perform steps 1 through 8 for AUTO operation (Figure 3-2) except press SINGLE pushbutton in and AUTO/NORM in.
2. Press and release RESET pushbutton. RESET indicator lamp will light to indicate sweep circuit is armed.
When sweep is armed, the first trigger input will initiate sweep cycle. RESET lamp will extinguish at completion of cycle, and circuit must be rearmed for next cycle.

SINGLE (RESET) OPERATION

A. Perform steps 1 through 8 for AUTO operation (Figure 3-2).
B. Press SINGLE pushbutton.
C. Press and release RESET pushbutton. Sweep immediately starts due to auto circuit inside oscilloscope. These two modes of operation are ideal for use in photographing waveforms.

Figure 3-3. Single Sweep Operation

Page 24

A OR B, SINGLE CHANNEL OPERATION

1. Set DISPLAY to A or B, and perform the following steps for the selected channel.
2. Set Coupling to AC or DC.
3. Set VOLTS/DIV to desired range.
4. Connect input signal to channel A or channel B INPUT connector.

5. Obtain a base line (Figure 3-1, 3-2).
6. Adjust POSITION for desired vertical position of display.

CHOPPED OR ALTERNATE, DUAL CHANNEL

A. Set DISPLAY to CHOP or ALT position.
B. Perform steps 2 through 6 (A or B, single channel) for both vertical channels.

Figure 3-4. Single and Dual Channel Operation

Page 25

Operation

A + B OPERATION

1. Set DISPLAY to A + B.
2. Set Coupling to AC or DC.
3. Set VOLTS/DIV to desired range.
4. Connect desired vertical signals to channel A and channel B INPUT connector.
5. Adjust channel A POSITION and channel B POS-ITION controls for desired display on screen.

NOTE

In the A + B mode only one trace is observed. This trace is the sum of A + B and either channel POSITION control will vary the vertical position display.

A B OPERATION
A. Repeat steps 1 and 2 of A + B operation.
B. Press B POL pushbutton in (INVT).
C. Repeat steps 3 through 5 of A + B operation.

Figure 3-5. A + B and A – B Operation

Page 26

1707A - R - 10A

DC BALANCE ADJUST

1. Set DISPLAY to A.
2. Set Coupling to GND.
3. Obtain a base line (Figure 3-2, AUTO).
Adjust DC BAL until vertical trace does not shift when turning VOLTS/DIV vernier from CAL to maximum attenuation.

NOTE

If trace is not on CRT screen. Press BEAM FINDER pushbutton and adjust DC BAL until trace remains on screen.

5. Repeat steps 1 thru 4 for channel B.

Figure 3-6. Amplifier Balance Adjust

Page 27

1. Obtain a base line as shown in Figure 3-2.
2. Apply signal to channel A INPUT.
3. Set MAIN TIME/DIV to desired sweep speed.
4. Set DELAYED AUTO/TRIG to AUTO.
5. Set DELAYED TIME/DIV to desired setting.
6. Adjust DELAY TIME so intensified portion of trace is over area of trace to be investigated.
Turn sweep mode switch to DELAYED SWEEP. Intensified portion of main sweep is now displayed across entire CRT.
If jitter is observed on delay sweep, set DELAYED AUTO/TRIG to TRIG. This allows the instrument to trigger on the signal of interest and reduces jitter.
9. Adjust DELAYED TRIGGER LEVEL for a stable display.

Page 28

Operation

b. Set INTENSITY, FOCUS and POSITION controls for desired display in center of screen.

c. Connect CAL 1 VOLT output to channel A INPUT.

d. Adjust MAIN TRIGGER LEVEL for stable display. Observe six positive going pulses with the leading edge of the first and sixth pulse on the first and eleventh vertical graticule lines respectively (±10%).

e. Set DELAYED TIME/DIV to 0.2 mSEC. Observe an intensified portion of sweep.

NOTE

Intensified portion should cover 4 to 5 divisions.

f. Adjust DELAY TIME until the intensified portion is centered on the CRT.

g. Set sweep mode switch to DELAYED SWEEP. Observe that intensified portion is expanded to full 10 divisions.

h. Set sweep display switch to MAIN SWEEP.

i. Vary DELAY TIME control. Observe that intensified portion moves smoothly along the display.

i. Set DELAYED AUTO/TRIG control to TRIG.

k. Adjust DELAYED TRIGGER LEVEL for a stable intensified portion of the trace.

I. Vary DELAY TIME control. Observe that leading edge of intensified portion jumps from one positive slope leading edge to next.

m. Set DELAYED TIME/DIV to OFF.

n. Rotate MAIN VERNIER ccw to stop. Observe 15 or more pulses between first and eleventh graticule lines.

o. Disconnect calibrator signal from vertical amplifier.

p. Set MAIN TIME/DIV to .1 SEC and MAIN TRIG-GER LEVEL to cw position.

q. Set AUTO/NORM to NORM and select SINGLE operation.

r. Press RESET pushbutton. Observe no sweep.

s. Rotate MAIN TRIGGER LEVEL to full ccw position. Observe one sweep and RESET indicator goes off after sweep.

t. Set AUTO/NORM to AUTO.

u. Press RESET pushbutton. Observe one sweep.

3-35. OPERATING INFORMATION.

3-36. The following paragraphs provide additional information concerning use of specific function over another.

3-37. AUTO VERSUS NORM.

3-38. In AUTO operation, there will always be a baseline except in trigger operation. A trigger of 40 Hz or higher overrides AUTO operation and produces a stable presentation. Adjustment of MAIN TRIGGER LEVEL may be necessary for a stable display. If the trigger is 40 Hz or less NORM operation must be used. A trigger signal is always needed in NORM to generate a sweep.

3-39. AUTO delayed sweep operation is achieved when DELAYED AUTO/TRIG button is out. This causes the delayed sweep to start at the end of delay time as set by the DELAY TIME control. When the DELAYED AUTO/ TRIG is in depressed position, TRIG, the delayed sweep is started by the first trigger signal after the delay time as set by DELAY TIME control. That is, providing the DELAYED TRIGGER LEVEL is adjusted for stable sweep. In this mode, the delay time is longer than that set by the DELAY TIME control.

3-40. AC VERSUS DC.

3-41. AC coupling removes the dc level of trigger signals and attenuates signals below about 20 Hz. For example, if the trigger signal contains vertical position voltage, extreme levels can cause the signal to move out of the trigger level range of the Model 1707A and lose the trigger operation. Use LF REJ coupling to prevent low frequency noise from triggering the sweep.

3-42. DELAYED SWEEP.

3-43. After obtaining a desired display, any portion can be expanded up to 10 ns per division with 5% accuracy (X10 magnification) or 100 ns per division with 3% accuracy. This permits viewing of critical risetimes or signal shapes with increased resolution. The portion to be expanded is selected by the DELAY TIME control in main sweep operation. It is then expanded to the sweep speed selected by the DELAYED TIME/DIV switch after delayed sweep operation is selected. Because the sweeps are independent, if the MAIN VERNIER is out of CAL position the delayed sweep is still calibrated.

3-44. Sweep jitter can be reduced by use of the delayed operation. By using TRIG mode instead of AUTO in delayed sweep operation, the delayed sweep starts on a new trigger. This reduces the jitter that has accumulated since start of the main sweep.

3-12

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SECTION IV

PRINCIPLES OF OPERATION

4-1. INTRODUCTION.

4-2. This section contains both an overall and detailed explanation of circuit theory. Refer to the overall block diagrams and Schematics in Section VIII while reading the theory.

4-3. GENERAL THEORY.

4-4. An overall explanation of circuit operation based on block diagrams (Figure 8-12 and Figure 8-13) is presented to generate a basic understanding of the instrument in preparation for the detailed theory that follows. For simplicity, the block diagrams are drawn for function and do not show all circuit details.

NOTE

For circuit theory, a logic high (1) is a more positive voltage and a logic low (0) is a less positive voltage.

4-5. This instrument consists of a CRT, line rectifier, gate assembly, and three modules. The modules are as follows: vertical amplifier modules containing attenuators, vertical preamplifier, delay line and vertical output amplifier; horizontal amplifier module containing trigger assembly, horizontal mother board, main and delayed integrator, main and delayed sweep time assembly, hold-off and comparator, horizontal mode assembly, horizontal pre-amplifier and horizontal output amplifier; and, power supply module containing low voltage mother board, low voltage converter, low voltage rectifier and filter, and high voltage oscillator.

4-6. BLOCK DIAGRAM (SCHEMATIC 1).

4-7. INPUT ATTENUATOR.

4-8. The attenuators are compensated voltage-divider types. They provide division ratios of 1, 2, 5, 10 and 100 giving nine separate sensitivities. Each input sensitivity range has an input capacitance adjustment and an attenuator compensation adjustment. Coupling (AC, GND, and DC) is also controlled in the attenuator stages.

4-9. VERTICAL PREAMPLIFIER.

4-10. The vertical preamplifier provides amplification to the input signals for drive to the vertical output amplifier. Channel A sync and composite sync signals originate in the vertical preamplifier. The sync signals are applied to the trigger assembly for internal triggering. Channel

switching, chop operation, and display mode are also accomplished in the preamplifier (Schematic 7).

4-11. DELAY LINE.

4-12. The delay line provides approximately 160 ns delay to the vertical signal allowing the horizontal circuits sufficient time to react to the trigger signal so the display is in the proper time relationship.

4-13. VERTICAL OUTPUT AMPLIFIER.

4-14. The vertical output amplifier provides drive to the CRT vertical plates.

4-15. TRIGGER CIRCUITS.

4-16. The trigger assembly provides the main and delayed trigger signals. Sweep mode and trigger mode are selected in this assembly. The main trigger circuits provides two outputs to the main integrator (Schematic 10). One output is the main trigger and the other output is the bright line auto output. The bright line auto output is provided in AUTO mode only. The delayed trigger circuit provides the trigger to the delayed integrator (Schematic 12).

4-17. MAIN INTEGRATOR.

4-18. The main integrator initiates a horizontal sweep from the trigger input. When the trigger signal is applied to the input amplifier, the Miller integrator activates and produces the horizontal sweep ramp. The Miller integrator is connected to the main sweep timing components (Schematic 11). The MAIN TIME/DIV switch controls the ramp output from the Miller integrator. The output of the Miller integrator is amplified and applied to the horizontal amplifier circuits.

4-19. The horizontal sweep is also compared to a 12-volt reference by the ramp comparator which drives the main integrator set-reset multivibrator. The set-reset multivibrator, in conjunction with the hold-off and comparator circuit, controls the amplitude and timing sequence of the sweep ramp. When the sweep ramp reaches 12 volts, the ramp comparator turns on and resets the trigger set-trigger gates to a logic high (1). The signal from the hold-off amplitier determines the holdoff time of the circuits and sets the trigger set-trigger gates to a logic low (0) for a new sweep.

4-20. When the bright line auto circuit is used, the setreset multivibrator provides a ground for the bright line auto signal and terminates the sweep. This allows the sweep signal to return to its starting point.

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Theory

4-21. At the same time the main ramp is generated, an output is provided by the Alt amplifier back to the vertical preamplifier J-K flip-flop for ALT operation.

4-22. HOLD-OFF AND COMPARATOR.

4-23. The hold-off and comparator establishes the time interval between trigger points. This time interval is adjusted by the TRIGGER STABILITY control. A signal from the main integrator set-reset multivibrator activates the hold-off circuit. When the hold-off is activated, a ramp, determined by the hold-off amplifier RC circuits and the TRIGGER STABILITY control, is generated. When this ramp reaches a predetermined level, it activates the main integrator set-reset multivibrator. The set-reset multivibrator then sets the trigger set-trigger gates low for a new sweep.

4-24. The main horizontal sweep ramp from the Miller integrator also drives the comparator in the hold-off and comparator assembly. The main sweep is compared to a voltage set by the DELAY TIME control. When the main sweep is equal to this voltage, the Schmitt trigger sends a pulse to the delay integrator set-reset multivibrator. This sets the delayed trigger set-trigger gates low and arms the delayed integrator for a new sweep.

4-25. DELAYED INTEGRATOR.

4-26. The delayed integrator operates the same as the main integrator except for the following differences. This circuit has no bright line auto input. In the AUTO mode, a voltage is applied to the input amplifier which activates the Miller integrator for a delayed sweep signal. The Miller integrator is connected to its own RC components for generating the delayed sweep. Sweep limits are set by a comparator and set-reset multivibrator as in the main integrator.

4-27. The set-reset multivibrator has an input from the main integrator set-reset multivibrator. If the main sweep terminates, a voltage from the main integrator is sent to set-reset multivibrator. The multivibrator terminates the delayed sweep and arms the delayed trigger set-trigger gates for a new sweep.

4-28. HORIZONTAL MODE ASSEMBLY.

4-29. This assembly controls the main or delayed display and the trace intensity in these modes. A switch selects the main or delayed sweep signal to be displayed.

4-30. The blanking circuit blanks the trace in the MAIN SWEEP and DELAYED SWEEP modes. The blanking signal is applied to the gate assembly (Block Diagram 2) which controls the high voltage oscillator assembly.

4-31. Trace intensification of the delayed position of the sweep in the MAIN SWEEP mode is also provided by this circuit. When the DELAYED TIME/DIV switch is set to some position other than OFF, the main intensity is

reduced and the delayed sweep intensity is held at a normal level providing trace intensification.

4-32. POWER SUPPLY BLOCK DIAGRAM (SCHEMATIC 2).

4-33. LOW VOLTAGE POWER SUPPLY.

4-34. The low voltage power supply operates from three different power sources. The sources are ac line, internal battery or external dc line. The ac line is applied to the input power module which is selectable for 115- or 230-volt operation and has an ac line protection fuse. The ac input is applied to a step-down power transformer.

4-35. The line rectifier rectifies and filters the power transformer ac output of approximately 36 volts. This voltage is applied to the voltage regulator and a ripple filter which filters out the 120 Hertz ripple.

4-36. The voltage regulator output is applied to the low voltage converter. This stage converts the input dc power to usable output dc of different voltage levels. The low voltage converter oscillates between 10 kHz and 45 kHz depending upon the input voltage and the output power.

4-37. The voltage coupled from the converter to the low voltage rectifier is filtered and applied to the low voltage mother board which provides low voltage distribution to the power supply module. A portion of the +15 and -15 volts is fed back to the low voltage regulator which determines the frequency and duty cycle of the converter for output voltage regulation.

4-38. The filtered voltages from the low voltage mother board are coupled to the gate assembly board. The gate assembly board provides filtering, fuse protection and distribution of the low voltage supplies to the rest of the Model 1701A circuits. The low voltage regulator output is also applied to the light driver which controls the brillance of the scale illumination lights. Scale illumination control (R3) controls the output of the light driver.

4-39. HIGH VOLTAGE POWER SUPPLY.

4-40. The high voltage power supply consists of the high voltage oscillator, power transformer, rectifying networks, and high voltage multiplier. When the instrument is turned on, the high voltage oscillator activates, coupling voltages from pins 1 and 2 into the secondary pins 6 and 7, 5, 8, and 9. Pins 11 and 10 are connected to the filaments of the CRT. The secondary voltage at pin 7 is connected thru a rectifying diode to the control grid of the CRT. Pin 8 of the secondary is connected thru a rectifying diode to the control grid of the CRT. Pin 8 of the secondary is connected thru a rectifying diode to the cathode. A correction voltage, coupled from this diode back thru a resistive divider network, controls the current source. The current source controls the oscillator amplitude and thus the high voltage oscillator output. The CRT voltages are negative except for the post-accelerator voltage.

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4-41. The CRT cathode voltage is fed back to the current source. If the cathode voltage becomes more negative, less current is supplied to the high voltage (hv) oscillator. With less current supplied, the amplitude of the hv oscillator output is reduced and the cathode voltage will return to its normal operating value. If the cathode voltage becomes less negative, more current is supplied to the hv oscillator. The output amplitude now increases and the cathode voltage again returns to its normal operating value. A 6 kv peak-to-peak voltage is present at pin 9 of the power transformer. This voltage is applied to the high voltage multiplier circuit where it is tripled. The +18 kV output is applied to the post accelerator of the CRT.

4-42. GATE AMPLIFIER.

4-43. The gate amplifier has five inputs. One input is from the INTENSITY control, another input is the blanking from the horizontal mode assembly, a third input is the chop blanking input from the vertical preamplifier, a fourth input is from the BEAM FINDER when connected and a fifth input is from the Z-AXIS INPUT. All of these inputs control the intensity or the A-axis of the CRT. The output from the gate amplifier to the CRT grid increases or decreases the intensity of the display.

4-44. DETAILED CIRCUIT THEORY.

4-45. The following detailed theory is subdivided according to module and referenced to the fold-out Schematics in Section VIII. Each Schematic is numbered and indexed in the appropriate test for easy location.

4-46. INPUT ATTENUATORS (SCHEMATIC 3).

4-47. GENERAL INFORMATION.

4-48. The 75 MHz attenuators provide attenuation, coupling selection, attenuator compensation, and input capacitance adjustment. The attenuators are compensated voltage-divider types divided into two cascaded sections. The front section provides a division ratio of 1, 10, and 100. The rear section provides division ratios of 1, 2, and 5.

4-49. INPUT.

4-50. S1 provides a choice of coupling. Choices are AC, DC, or GND. C1 provides a cutoff frequency of 10 Hz in the AC position.

4-51. ATTENUATOR STAGES.

4-52. C8 and C9 provide attenuator compensation for the first portion of the attenuator. These two components are adjusted for best frequency response. C4 and C5 provide input capacitance adjustment. These two components standardize the input capacitance of the attenuator so that when a compensated probe is used its compensation remains constant as the attenuator ranges are switched. C18 and C19 provide attenuator compensation for the rear section of the attenuator. C13 and C14 provide input

capacitance adjustment. RC networks A5C1/R1 protect the input FET A5A4Q1 from high input voltages if the attenuator is set to a high sensitivity range.

4-53. VERTICAL PREAMPLIFIER (SCHEMAT-IC 4, 5, 6 and 7).

4-54. GENERAL INFORMATION.

4-55. The vertical preamplifier circuits provide the following functions:

a. Amplification of signals from the input attenuators.
b. Generation of channel A and composite sync signals.
c. A + B and A B operation.
d. Type of display.

4-56. Front-panel controls to the vertical preamplifier determine dc balance, position, calibrated amplification of the amplifiers, choice of display, and trigger.

4-57. INPUT STAGES (SCHEMATIC 4).

4-58. Since channel A and channel B are similar, only channel A will be described in detail. Where channel B differs from channel A, the difference will be described.

4-59. A5A4CR1/CR2/CR5/CR6 form an over-voltage protection circuit. If the input voltage from the attenuator exceeds 1.2 volts, these diodes conduct, limiting the voltage applied to the input of A5A4Q1. A5A4R1 limits the signal current to the gate of A5A4Q1. A5A4C3 ensures maximum response with no loss of high frequency signal.

4-60. The signal from the emitter of A5A4Q5 is applied to the differential cascode amplifier A5A4Q9/Q13 and A5A4Q10/Q14. The single-ended signal is converted to a differential signal by coupling A5A4Q9 and Q10 emitter current through A5A4R38. High frequency adjustment is accomplished by A5A4C25. The gain of the cascode amplifier is controlled by R5 and R11 which shunts current from the emitters of A5A4Q13/Q14. Differences in the base-to-emitter voltage drop of A5A4Q13/Q14 are compensated by adjusting Channel A DC Bal A5A4R43. The over-all DC level is adjusted by DC BAL R3.

4-61. The front-panel POSTION control A5A4R59 establishes the signal current at the emitters of A5A4Q22/ Q23 determining the vertical postion of the trace on the CRT.

4-62. CHANNEL SWITCHES (SCHEMATIC 5).

4-63. Channel switches A5A4Q22/Q23 are controlled by A5A4Q20. A5A4Q20 is controlled by the J-K flip-flop, A5A4U2. A5A4U2 is controlled by the DISPLAY switch. If Channel A display is not used, the base of Q20 goes high, forward biasing Q20. This forward biases A5A4CR10/CR11 turning off A5A4Q22/Q23, preventing a display on this channel.

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4-64. The Channel B switches operate in the same manner except there are two sets of transistors. A5A4Q25/Q26 are used for the B POL NORM polarity display. A5A4Q24/Q27 are used for the B POL INUT polarity display. The two transistor groups are controlled by the position of B POL switch A5S1. Depending upon the postion of A5S1, +5 volts is applied to the base of the appropriate transistors. The two displays are summed at the collectors of A5A4Q22/Q23 and applied to feedback amplifier A5A4Q28/Q29. A5A4R75/R76 compensates for the collector to base capacitance of the transistors.

4-65. CHANNEL A SYNC AMPLIFIER.

4-66. Transistor A5A4Q18 sums the current from A5A4Q5 and the channel A sync zero control A5A4R66. A5A4Q17 provides the amplifier a gain of 10. This gain provides 100 mV of signal for each division of display deflection. Emitter follower A5A4Q19 provides low impedance drive to the trigger circuit.

4-67. COMPOSITE SYNC AMPLIFIER.

4-68. A5A4Q30/Q31 are the composite sync take-off transistors. The collector output of A5A4Q30 is fed through the DISPLAY switch A5S2 to sync take-off amplifier A5A4Q38/Q39.

4-69. A5A4Q39 provides a low impedance output to drive the trigger circuit. Composit sync adjust A5A4R81 controls its output current to the sync take-off amplifier. A5A4R81 is adjusted for a sero-volt output from the composite sync amplifier with zero volts in.

4-70. DELAY LINE.

4-71. The delay line provides 160 ns delay to the vertical signal. This allows the horizontal circuits sufficient time to react so the display is in the proper time sequence.

4-72. VERTICAL OUTPUT AMPLIFIER.

4-73. The output signals from the delay line drive A5A5Q1/Q2. Complementary current from A5A5Q1/Q2 drives shunt feedback amplifiers A5A5Q4/Q5. High frequency adjustment A5A5C7 is adjusted for optimum pulse response shaping. Feedback in A5A5Q4/Q5 corrects pulse response due to collector to base capacitance. The outputs of the shunt amplifiers drive cascode amplifiers consisting of A5A5Q6/Q7/Q8/Q9. High frequency adjustments. A5A5C12/R30 adjusts the output for optimum pulse response.

4-74. BEAM FINDER.

4-75. Current for operation of the cascode amplifier flows through the normally closed contacts of the BEAM FINDER switch S3. When the switch is pressed, the contacts are opened and the current source for the amplifier is reduced by A5A5R15. This limits the output of the amplifier and returns the trace to the CRT.

4-76. STEERING LOGIC CIRCUIT (SCHEMATIC 7).

4-77. The gates of A5A4U1 drives multivibrator A5A4Q34/Q35 and A5A4U2. Inputs to A5A4U1 are from the DISPLAY switch and main integrator stage (Schematic 10). Gates U1A and U1B control the multivibrator and U1C and U1D control U2.

4-78. In all positions of the DISPLAY switch A5S2 (except CHOP), the first rear section (1R) is grounded. When a ground is connected, pin 2 of U1A is low, pin 3 of U1A is high, and pin 6 of U1B is low, holding A5A4Q34 base low. This prevents the multivibrator from running.

4-79. In the CHOP mode, this ground is removed and the multivibrator is activated. This is an astable multivibrator which free runs at approximately 100 kHz. The collector output of A5A4Q34 is applied to U1C pin 12. U1C and U1D drive U2. As the output of U1D pin 8 goes high and then low, the Q and Q outputs from U2 alternate high and low. In one state, U2 pin 9 (Q) and pin 4 are high, which turns on A5A4Q36. A5A4Q36 inverts the signal and drives channel control switch A5A4Q20 (Schematic 5). When another input pulse is applied to U2, pin 11 (Q) and pin 6 go high, turning on channel B control, A5A4Q37. This drives channel control switch A5A4Q21 (Schematic 5).

4-80. In the ALT mode, an input signal from the main integrator. is applied to U1C pin 13. This causes U2 to change state at the end of every sweep. When this happens, channel A A5A4Q36 is on for one sweep and channel B A5A4Q37 is on for the next sweep.

4-81. Chopped blanking from A5A4Q34/Q35 is provided through A5A4CR15 to the gate assembly (Schematic 16).

4-82. DISPLAY SWITCH.

4-83. The five section of the DISPLAY switch control chopped blanking, the type of signal applied to the trigger circuit, and operation of U2, Section 1R controls U1A and U1B which controls the multivibrator. Section 2R, in the A + B mode, applies +15 volts to the A + B BAL control which is adjusted for maximum dynamic range of amplifiers A5A4Q28/Q29 (Schematic 5). Section 2F picks the type of sync signal to be applied to the trigger circuit. In the A, B, A + B mode the sync signal applied to the trigger is on the signal display. In the ALT and CHOP modes, the channel A sync is used. Section 1F controls the state of U2. In the A position, U2 is locked up to turn A5A4Q36 on. In the A + B mode both A5A4Q36/Q37 are turned on. In the CHOP and ALT mode U2 is alternated per input signal from U1D. In the B mode of operation U2 pin 11 and 5 (O) is high and A5A4O37 is on

4-84. TRIGGER ASSEMBLY (SCHEMATIC 8,9).

4-85. GENERAL INFORMATION.

4-86. The trigger assembly consists of the main and delayed trigger circuits. The main trigger has choice of trig-

Page 33

ger coupling. Choices are INT/EXT, AC/DC, LF REJ and HF REJ. The delayed trigger is triggered internally and has choice of AC or DC coupling.

4-87. The main trigger provides two outputs to the main integrator (Schematic 10). One output is the main trigger signal and the other is the bright line auto signal. The delayed trigger provides a trigger to the delayed integrator (Schematic 12).

4-88, MAIN TRIGGER (SCHEMATIC 8).

4-89. Input to the main trigger circuits is from the vertical preamplifier (Schematic 7) in the INT position, and from EXT TRIG INPUT, in EXT position. S2 provides AC or DC coupling. S3 and S4 provide LF REJ and HF REJ coupling.

4-90. Network A6A2R5/C3 protects FET A6A2Q1/Q2 from being overdriven. Diode array A6A2CR1 through CR4 protects A6A2Q1/Q2 from over voltage. These diodes on at 1.5 volts, clamping the input signal.

4-91. One half of the trigger circuit amplifies the signal and the other half determines the triggering point set by MAIN TRIGGER LEVEL R1. S5 (SLOPE) determines which half of the trigger circuit amplifies the signal and which half provides the triggering point. A6A2Q1/Q2 are connected in a source follower configuration providing high input impedance A6A2Q3/Q4 provide low impedance to drive the rest of the active components.

4-92. CURRENT STEERING SWITCHES (SCHEMATIC 9).

4-93. A6A2Q15/Q16 are current steering switches which drive the set-trigger gates (U1A and U1B). Normally the non-inverting outputs of both gates are high. When a trigger signal is applied, current through A6A2Q15 increases. This current is drawn through A6A2R52 causing U1A pin 4 to go low. When pin 4 goes low, pin 6 goes low. With pin 6 low, pin 11 of U1B is also low. Trigger sensitivity, A6A2R45, is adjusted so A6A2Q15 changes the state of U1A but A6A2Q16 has insufficient current to change the state of U1B. This allows U1B to set up one one-half cycle and change states on the other half.

4-94. As the current through A6A2Q16 increases, U1B pin 8 goes low and pin 9 goes high. When pin 8 goes low, A6A2Q19 turns on providing a trigger signal to main integrator A6A3Q1 (Schematic 10).

4-95. BRIGHT LINE AUTO CIRCUIT.

4-96. The bright line auto circuit consist of A6A2Q23/ Q24/Q25/Q26 and Schmitt Trigger A6A2Q27/Q28. When U1B activates, A6A2Q20 turns off. A6A2Q23 turns on and saturates. The collector of A6A2Q23 is coupled to the base of A6A2Q24. This coupling keeps A6A2Q24 off and A6A2Q23 on even though A6A2Q20 is turned back on.

4-97. If a trigger signal has not been applied, the collector voltage of A6A2Q23 decays through RC network

4-98. DELAYED TRIGGER.

4-99. The delay functions are identical to the main trigger except it has no bright line auto circuit. The trigger signal is coupled from A6A2Q21 to delayed integrator A6A4Q1 (Schematic 12).

4-100. MAIN INTEGRATOR (SCHEMATIC 10).

4-101. GENERAL INFORMATION.

4-102. The main integrator in conjunction with the main sweep time assembly (Schematic 11) generates the main sweep ramp applied to the horizontal circuits (Schematic 15), provides main blanking to the horizontal mode assembly (Schematic 15), and alternate triggering to the vertical preamplifier (Schematic 7). The set-reset multivibrator terminates the main sweep, terminates the delayed sweep if the main sweep terminates, and set the trigger set-trigger gates high to initiate a new trigger.

4-103. INPUT.

4-104. A6A3Q1 has two inputs; one is the main trigger through pin K and the other input is the bright line auto signal through A6A3CR1/CR2. Either input will turn A6A3Q1 on. When A6A3Q1 turns on, A6A3Q4 turns off, inverting the signal on the collector of A6A3Q1. This inverted signal is the alternate triggering signal to the vertical preamplifier (Schematic 7).

4-105. Main blanking is also controlled when A6A3Q1 turns on. When A6A3Q1 is on, a ground is provided turning the horizontal mode blanking circuit off (Schematic 15). This allows the trace to be seen on CRT. When A6A3Q1 is off, the blanking circuit is on, blanking the CRT.

4-106. When A6A3Q1 is on, current is drawn through A6A3CR9 turning off A6A3Q6. With A6A3Q6 off, the Miller integrator A6A3Q7/Q8, in conjunction with the main timing components on Schematic 11, generates a positive-going ramp. The ramp is amplified by A6A3Q9 and applied to the horizontal mode assembly (Schematic 15).

4-107. COMPARATOR.

4-108. The ramp is also coupled back to comparator A6A3Q2/Q5. This circuit sets the ramp limits from +2 volts to +12 volts. The 2-volt limit is set by current flow through A6A3R9/CR12/Q5 to ground. The 12-volt limit is set as follows: When the ramp applied to A6A3Q5 reaches 12 volts, current through A6A3R8 flows through

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Theory

A6A3Q2 which is referenced to +12 volts. This turns A6A3Q3 on which applies a low to U1 pin 5 of set-reset multivibrator U1. When pin 5 goes low, pin 6 goes high. This high is applied back to A6A2 trigger set-trigger gates U1A and U1B. When A6A2U1B goes high the sweep is terminated by turning Q1 off.

4-109. If the bright line auto signal is operating the following action will occur. When the ramp reaches 12 volts, pin 6 of U1B goes high. This high is applied to U1A pin 2. U1A pin 12 goes low, forward biasing A6A3CR3. This provides a ground, removing the bright line auto signal from A6A3Q1, terminating the sweep.

4-110. The hold-off time is also applied to the set-reset multivibrator. While the hold-off time is in process, pin 1 U1A is low. This causes U1B pin 6 output to be high, locking the trigger set-trigger gates preventing a sweep. At the completion of hold-off time, U1A pin 1 goes low which applies a low to the trigger set-trigger gates allowing the trigger circuit to function on the next trigger signal.

4-111. Light driver, A6A1Q1, turns off the RESET light DS2 when the output from U1B is high (sweep off).

4-112. MAIN SWEEP TIME ASSEMBLY (SCHE-MATIC 11).

4-113. GENERAL INFORMATION.

4-114. The main sweep timing components are tied to the main sweep Miller integrator. Except for the two fastest sweep speeds (.1 and .2 usec) the RC timing is determined by the main sweep time assembly. The capacitor for the two fastest sweep speeds on the main integrator board is A6A3C8.

4-115. OPERATIONAL AMPLIFIER.

4-116. The operational amplifier, A6A5Q1A/B/Q2/Q3, is connected in an inverting configuration. Since it is referenced to a regulated positive voltage (+15 volts), it produces a negative voltage at its output. This negative voltage is connected through one of the timing resistors to the Miller integrator (Schematic 10). Feedback for the amplifier is provided by A6A5R10.

4-117. When VERNIER A6R4 is used (out of CAL position), the +15 volt reference is reduced to some other voltage. This causes the operational amplifier output to rise toward ground. When the output rises toward ground, the sweep runs more slowly.

4-118. DELAYED INTEGRATOR (SCHEMATIC 12).

4-119. GENERAL INFORMATION.

4-120. The delayed integrator in conjunction with the delayed sweep time assembly (Schematic 13) generates the delayed sweep ramp applied to the horizontal circuits

(Schematic 15), and provides delayed blanking to the horizontal mode assembly (Schematic 15).

4-121. The set-reset multivibrator terminates the delayed sweep, and sets the delayed trigger set-trigger gates to a high state to initiate a new trigger.

4-122. A6A4Q1 has two inputs: one is the delayed trigger through pin K and the other is +15 volts for AUTO operation through A6A4CR1/CR2. Either input will turn A6A4Q1 on. Delayed blanking is controlled when A6A4Q1 turns on which provides a ground through A6A4Q1, turning the horizontal mode blanking circuit off (Schematic 15). This allows the trace to be seen on the CRT. When A6A4Q1 is off, the blanking circuit is on, blanking the CRT.

4-123. When A6A4Q1 is on, current is drawn through A6A4CR9 turning off A6A4Q6. With A6A4Q6 off, the Miller integrator A6A4Q7/Q8 in conjunction with the delayed timing components on Schematic 13, generates a positive going ramp. The ramp is amplified by A6A4Q9 and applied to the horizontal mode assembly (Schematic 15).

4-124. COMPARATOR.

4-125. The ramp is also coupled back to comparator A6A4Q2/Q5. This circuit sets the ramp limits from +2 volts to +12 volts. The 2-volt limit is set by current flow through A6A4R9/CR12/Q5 to ground. The 12-volt limit is set as follows. When the ramp applied to A6A4Q5 reaches 12 volts, current flows through A6A4R8/Q2 which is referenced to +12 volts. This action turns A6A4Q3 on, applying a low to U1 pin 5 of set-reset multivibrator. When pin 5 goes high, pin 6 goes high. This high is applied back to A6A2U2B goes high, the sweep is terminated by turning A6A4Q1 off.

4-126. In AUTO operation the following action will occur: when the ramp reaches +12 volts, pin 6 of U1B goes high. This high is applied to pin 2 of U1A. U1A pin 12 goes low forward biasing A6A4CR3. This provides a ground, removing the +15V drive to A6A4Q1, terminating the sweep.

4-127. The delayed set-reset multivibrator is controlled by two other inputs. One input is from the comparator Schmitt trigger (Schematic 14) and the other from the main integrator set-reset multivibrator (Schematic 10). The Schmitt trigger input activates the set-reset multivibrator when the main sweep voltage equals the voltage set by the DELAY TIME control. This input provides a ground for the +15 volts to A6A4Q1 in the AUTO mode and sets the trigger set-trigger gates (Schematic 9) for a new sweep in the TRIG mode.

4-128. The main integrator input terminates the delayed sweep if the main sweep terminates before the comparator Schmitt trigger is activated. U1B pin 4 goes low and pin 6

Page 35

goes high resetting the trigger set-trigger gates high for a new sweep. With the trigger gates high, delay integrator A6A4Q1 turns off terminating the sweep.

4-129. DELAYED SWEEP TIME ASSEMBLY (SCHEMATIC 13).

4-130. GENERAL INFORMATION.

4-131. The delayed sweep timing components are tied to the delayed sweep Miller integrator. Except for the two fastest sweep speeds (.1 and .2 usec) the RC timing is determined by the main sweep time assembly. The capacitor for the two fastest sweep speeds on the delayed integrator board is A6A4C8.

4-132. OPERATIONAL AMPLIFIER.

4-133. The operational amplifier A6A6Q1A/B/Q2/Q3, is connected in an inverting configuration. Since it is referenced to a regulated positive voltage (+15 volts), it produces a negative voltage at its output. This negative voltage is connected through one of the timing resistors to the Miller integrator (Schematic 12). Feedback for the amplifier is provided by A6A6R10.

4-134. When VERNIER A6R5 is used (out of CAL position), the +15-volt reference is reduced to some other voltage. This causes the operational amplifier output to rise toward ground. When the output rises toward ground, the sweep runs more slowly.

4-135. HOLD-OFF AND COMPARATOR (SCHE-MATIC 14).

4-136. GENERAL INFORMATION.

4-137. This assembly determines the hold-off time between sweeps. The output from the hold-off amplifier is connected to the main integrator set-reset multivibrator. The multivibrator prevents the trigger gates (Schematic 9) and main integrator (Schematic 10) from functioning during hold-off time.

4-138. The comparator circuit compares the main sweep against a voltage set by the DELAY TIME control. When the main sweep reaches the voltage level set by the DELAY TIME control, the comparator activates the Schmitt trigger. The Schmitt trigger output is applied to the delayed integrator. This output turns the delayed integrator off, terminating the delayed sweep.

4-139. RAMP GENERATOR.

4-140. When the main integrator set-reset multivibrator goes high at the end of a sweep, a high is applied to A6A7Q1. This high turns A6A7Q1 on and A6A7Q4 off. When A6A7Q4 turns off, an exponential ramp is generated at the collector of A6A7Q4. This ramp is determined by A6A7C5/C6/C7/C8/R13 and TRIGGER HOLD-OFF control A6R7. A6A7C5/C6/C7 are controlled by the position

of the MAIN TIME/DIV control. The ramp starts at +15 volts and when it reaches approximately 0 volts, turns on hold-off amplifier A6A7Q7.

4-141. HOLD-OFF AMPLIFIER.

4-142. A6A7Q7 turns on when the ramp reaches 0 volt. This turns A6A7CR6 on and couples a low to the main integrator set-reset multivibrator. This activates the multivibrator and resets the trigger gates low to operate on the next trigger signal.

4-143. COMPARATOR.

4-144. Ramp comparator A6A7Q2/Q3/Q5/Q6 compare the main sweep against the voltage from the DELAY TIME control. When the voltage from the main sweep ramp equals the voltage from the DELAY TIME control, A6A7Q3 turns on. This turns on A6A7Q6 and Schmitt trigger U1. When U1 turns on, pin 12 goes from a high to a low state. This output pulse differentiated by A6A7C9/R15 and sent to the delayed integrator as a reset pulse.

4-145. HORIZONTAL MODE ASSEMBLY (SCHEMATIC 15).

4-146. GENERAL INFORMATION.

4-147. The horizontal mode assembly determines the type of display (main or delayed) and provides various blanking signals to the gate assembly (Schematic 16).

4-148. DISPLAY SWITCH.

4-149. Display switch S1 picks the main or delayed sweep signal to be applied to the horizontal preamplifier assembly.

4-150. BLANKING CIRCUIT.

4-151. The blanking circuit provides main blanking, delayed blanking, and trace intensification to the gate assembly. Input from the main and delayed integrator determine the output to the gate assembly. Normal blanking current flows through A6A8R2/CR3 and out pin 7 to the gate assembly (Schematic 16). Inputs to this circuit at pin 8 and pin J are such that when the sweep is off, a high is applied to the input and when the sweep is running a low is applied. When a high is applied from A6A3Q1 or A6A4Q1, A6A8CR3 is forward biased and blanking current is applied to the gate circuit. When a low is applied (A6A3Q1 or A6A4Q1 on), the blanking current is shunted to the integrator circuits (Schematics 10 and 12).

4-152. Trace intesification is provided when the DELAY-ED TIME/DIV switch is moved from the OFF position while in the MAIN SWEEP mode. A6A8CR1 is normally on in the OFF position. When the ground is removed, A6A8CR1 turns off and A6A8R1/CR2 increase current flow to the gate. This current dims the trace but is insuf-

Page 36

Theory

ficient to blank the trace. When the delayed sweep turns on, this increase in current flow goes out pin J to A6A4Q1 returning trace intensity to a normal level. When delayed sweep is used, it controls the blanking as the main sweep did.

4-153. HORIZONTAL PREAMPLIFIER ASSEM- BLY (SCHEMATIC 15).

4-154. GENERAL INFORMATION.

4-155. The horizontal preamplifier assembly amplifies the sweep signal, provides sweep length adjustments and controls the horizontal position of the trace. Trace magnification (X10) and trace centering is also provided by this circuit.

4-156. INPUT CIRCUIT.

4-157. The sweep signal is applied to A6A9Q1. A6A9Q1 sums the sweep and horizontal position currents. Feedback in this stage compensates for collector to base capacitance providing better pulse response. A6A9Q2 is a temperature compensation amplifier.

4-158. DIFFERENTIAL AMPLIFIER.

4-159. Differential amplifier A6A9Q3/Q4 converts the voltage signal from A6A9Q1/Q2 to a current signal. Trace magnification is also controlled by A6A9Q3/Q4. When the MAG (X10) pushbutton in engaged, the gain of the differential amplifier is increased by a factor of 10. When the BEAM FINDER is pressed, less current is supplied to A6A9Q3/Q4 limiting its amplification range. This allows the trace to return to the viewing area. U1 and U2 provide level shifting and drive the output amplifier assemblies.

4-160. HORIZONTAL OUTPUT AMPLIFIER (SCHEMATIC 15).

4-161. GENERAL INFORMATION.

4-162. The horizontal output amplifier is a class B amplifier used to drive the horizontal plates on the CRT.

4-163. OUTPUT AMPLIFIER.

4-164. As current is applied to input, A6A10Q3, feedback current from output A6A10Q5, is coupled back through A6A10R1. Since the input is connected to a relatively constant point, the output voltage changes to vary the feedback current. This voltage change is a reproduction of the input current and is applied to the horizontal plates of the CRT to move the trace.

4-165. GATE ASSEMBLY (SCHEMATIC 16).

4-166. GENERAL INFORMATION.

4-167. The gate assembly circuit sums current signals from five sources and developes an output level which

sets the bias on the CRT and thus controls the display intensity. The current sources are: the input signal from the horizontal mode assembly; the chop blanking input from the vertical preamplifier assembly; the external Zaxis input (if any); the current through INTENSITY control R1; and the current through the BEAM FINDER switch when engaged.

4-168. INTENSITY CONTROL.

4-169. The intensity control establishes the reference bias level on the CRT by setting the current level through the summing amplifier. Increasing intensity of the display by means of INTENSITY control will increase the conduction of A4Q1.

4-170. SUMMING AMPLIFIER.

4-171. Summing amplifier A4Q1 adds the five input currents and the feedback current providing an output signal which is coupled through an emitter follower to the complementary output amplifiers A4Q5/Q6. The output amplifiers amplify the input signal to the CRT control grid controling the CRT trace intensity. A positive-going level will increase the conduction of the CRT and brighten the display.

4-172. MULTIVIBRATOR.

4-173. Emitter-coupled multivibrator A4Q7/Q8 provide a 1 kHz, 1 volt square wave output. A4Q9 amplifies the square wave. Cal Ampl Adj A4R29, provides amplitude adjustment of the output calibration signal.

4-174. LOW VOLTAGE POWER SUPPLY (SCHEMATIC 18).

4-175. GENERAL INFORMATION.

4-176. This Schematic contains the power module, line rectifier, part of the low voltage mother board and part of the A4 gate assembly. The A1 power module provides ac input power to the Model 1707A. The A2 line rectifier rectifies the incoming ac and provides some filtering. The trickle charge circuit for the battery is also contained on this board. The A3A1 low voltage mother board provides voltage regulation, filtering, and full charge current to the battery. The A4 gate assembly has the light driver for the scale illumination circuits and the low battery indicator circuit.

4-177. A1 POWER MODULE.

4-178. A1F1 is the ac input fuse. A1S1 provides selection between 115-and 230-volt operation. The ac input is applied to T1 which is a 3:1 stepdown transformer.

4-179. A2 LINE RECTIFIER.

4-180. A2Z1 rectifies the incoming signal. A2C1/C2 are ripple filter capacitors. A2R1/CR1 provides a trickle

Page 37

4-181. A3A1 LOW VOLTAGE MOTHER BOARD.

4-182. A3A1Q1 and A3Q2 form a series voltage regulator. A3A1R1 provides current to A3A1VR1 which sets the base reference voltage of A3A1Q1. A3A1R4 provides current limiting. A3A1CR1 is a protection diode for A3A1Q1 and A3Q2. A3A1C1/R3 form a ripple filter. A3A1R5/CR2 form the full charge circuit for the battery. When the instrument is OFF, approximately 400 milliamperes is applied to the battery. This charging current is always applied with the power MODE switch in AC LINE, the ac power connected and the instrument POWER switch set to OFF.

4-183. LINE SWITCHING.

4-184. POWER MODE switch S2, provides selection for AC LINE, INTERNAL BATTERY or DC LINE. S1 provides for power on or power off. F1 is in the line during all modes of operation. J2 provides for DC LINE input. This input should be limited between 11.5 to 36 volts, 22 watts maximum.

4-185. A4 GATE ASSEMBLY.

4-186. A4Q2 and associated circuitry form the light driver network. When the instrument is operated in any mode except INTERNAL BATTERY the circuit is off. Current flows through R11/CR10/DS1 when the instrument is turned on. When the instrument is operated in INTERNAL BATTERY and the battery voltage drops below 22.5 volts, A4Q2 turns on. A1DS1/R13/C10 form a relaxation oscillator which causes A4DS1 to flash. This is an indication that the battery is discharged and further operation may damage the battery.

4-187. A4Q10 and associated circuitry form the scale illumination circuit. The position of A4R3 (SCALE ILLUM) determine drive to A4Q10. Current from A4Q10 goes through A7DS1 and A7DS2. The more A4Q10 conducts, the brighter DS1 and DS2 will be. A4R36/CR11/CR13 provide current limiting to protect A4Q10. A4VR3 limits the voltage across the light circuits.

4-188. The scale illumination lights will become very dim if the instrument is operated from a dc line voltage below approximately 18 volts.

4-189. LOW VOLTAGE POWER SUPPLY (SCHE-MATIC 19).

4-190. GENERAL INFORMATION.

4-191. This Schematic contains the low voltage converter protection circuits and the low voltage converter assembly. The protection circuit protects the instrument in the event that the regulator fails, the dc line input is more than 40 volts, or the polarity of the dc input is reversed.

4-192. A3A2 Low Voltage Converter assembly changes the input dc voltage to usable dc voltages of different levels. The low voltage converter assembly also contains the regulated network which controls the converter output.

4-193. A3A1 LOW VOLTAGE MOTHER BOARD.

4-194. A3A1CR3 protects the instrument against a dc voltage connected with the wrong polarity. If the wrong polarity is connected, A3A1CR3 turns on and the line fuse (F1, Schematic 18) opens. If a dc input over 40 volts is connected, A3A1VR3 conducts which turns on A3A1CR6 and opens F1 (Schematic 18).

4-195. If the regulated +15-volt supply goes above approximately 20 volts, bidirectional diode A3A1CR5 turns on. A3A1CR5/C2/R9 form a relaxation oscillator whose output is coupled across T1, rectified by A3A1CR4 and filtered by A3A1C3. This rectified voltage turns A3A1CR6 on opening line fuse F1.

4-196. LOW VOLTAGE CONVERTER ASSEMBLY.

4-197. A3A2Q2 with associated circuitry form the low voltage converter (Figure 4-1 and 8-69). This circuit changes the incoming dc voltage to useable dc voltages of different magnitudes A3A2B2/VB2 form a voltage source charging A3A2C7 through A3A2B6 A3A2C7 charges to the peak-point emitter voltage of the unijunction transistor A3A2Q1. At this voltage A3A2Q1 conducts supplying current through A3A2R12 to the base of A3A1Q2 (Figure 4-1). This current turns on A3A2Q2 allowing current to flow in the primary winding of A3A3T1 and A3A2T1. As the current in these windings increases, primary winding 1 and 2 (A3A2T1) induce voltage into pins 3 and 4 in such a direction as to turn A3A2Q2 on harder. The primary current continues to increase until the core (A3A2T1) saturates. At this point there is no longer magnetic coupling in A3A2T1 and A3A2Q2 turns off. When A3A3Q2 turns off, an open circuit condition on pins 1 and 2 of A3A3T1 exists and the energy stored in the primary windings of A3A3T1 causes a fly back voltage to appear on the secondary of A3A3T1. This allows the secondary circuits to conduct, charging the capacitors to the required dc voltages.

4-198. A fly back voltage also appears in the secondary windings A3A2T1 pins 3 and 4. This fly back voltage turns on A3A2CR4 charging A3A2C8. When all the energy has left the core, the cycle is repeated with A3A2C8 aiding the turn on of A3A2Q2. The magnetic field in the transformers provide drive for the rest of the operation.

4-199. A3A2VR3 is a protection diode protecting A3A2Q2 from base to collector breakdown. A3A2C1/C2 isolate the power supply from ground. Unijunction transistor A3A2Q1 fires only when the instrument is first turned on. A3A2CR5 provides a discharge path for A3A2C7 preventing A3A2Q1 from being turned on again.

Page 38

Figure 4-1. Simplified Low Voltage Converter Schematic

4-200. LOW VOLTAGE REGULATOR.

Theory

4-201. The low voltage regulator controls the duty cycle of the low voltage converter thus controlling the output voltage. Current into or out of pin 5 or A3A2T1 increases or decreases the duty cycle of the low voltage converter. An increase in current flow from pin 5 decreases the conduction time of A3A2Q2 which lowers the output voltage from the line rectifier filter network.

4-202. The regulated +15 volts is applied to pin 3 of the low voltage converter assembly. The regulated -15 volts is applied to pin 10. The -15 volts turns on reference diode A3A2VR1. The +15 volts is compared to the voltage reference through A3A2R3/R4. The different current, which results in a small voltage variation, is applied to operational amplifier U1 which is connected in the inventing mode. If the voltage at pin 2 increases, the output at pin 6 decreases. When the output of pin 6 decreases, A3A2Q4 turns on harder, drawing current through pins 6 and 5 of the transformer. This increase in dc current from pin 5 of A3A2T1 lowers the output voltage.

4-203. If +15 volts decreases, the voltage applied to pin 2 decreases causing an increase at the output of U1. When the voltage increases A3A2O3 turns on providing more current into pin 5 and 6 of A3A2T1. The increase in dc current into pin 5 increases the conduction time of A3A2O2 causing the output voltage to increase.

4-204. A3A2CR1/CR2 protect U1 input. A3A2C10/R13/ C12 provides frequency compensation. U1 operates open loop dc and closed loop ac. The closed loop feedback is provided by A3A2C13/R14.

4-205. HIGH VOLTAGE POWER SUPPLY (SCHEMATIC 17).

4-206. GENERAL INFORMATION.

4-207. The high voltage power supply develops the voltages used to operate the CRT. The high voltage supply consists of a high voltage oscillator, current source, high voltage transformer. rectifying circuits, and a high voltage multiplier.

4-208. HIGH VOLTAGE OSCILLATOR.

4-209. High voltage oscillator A3Q1, activates when the instrument is turned on. Current is drawn through windings 1 and 2 of high voltage transformer A3A4A1T1. This current couples energy into windings 3 and 4. This energy is coupled back in phase to the base of A3A4Q1, turning A3A4Q1 on harder. The signal developed on pins 1 and 2 is stepped up by A3A4A1T1, rectified and filtered.

4-210. CRT CATHODE VOLTAGE.

4-211. AC for the CRT cathode supply is obtained from pins 8 and 5 of high voltage transformer A3A4A1T1. This voltage is rectified by A3A4CR8 and filtered by the associated capacitors, providing -1700 volts to the cathode. Feedback is coupled through RC network A3A4R5/R4, and A3R2/R3/C2 to the base of A3A4Q1. Resistors A3A4R1/R2/R3 form a reference network. Any variation in feedback voltage level is amplified by Darlington amplifier A3A4Q1/Q2 and applied to the base of A3A4Q3 to re-establish the proper output of -1700 volts.

Page 39

4-212. If the cathode voltage goes in a more negative direction, the voltage at the base of A3A4Q1 will go more negative. This reduces the output from Darlington pair A3A4Q1 and Q2. This causes the base drive of A3A4Q3 to decrease, decreasing conduction. When A3A4Q3 decreases conduction, less current is applied to the base of A3Q1 causing the amplitude of oscillation to decrease reducing the magnitude of the output voltage. A3A4R10/C4 provide high frequency roll-off compensation

4-213. CRT CONTROL GRID VOLTAGE AND BLANK-ING.

4-214. A3A4CR7 and associated circuitry provide -1700 volts to the CRT control grid. Blanking is provided to the

CRT control through A3A4CR7 by the gate assembly. The blanking input completely blanks the CRT. As a less negative voltage is applied to the grid circuit the trace intensity becomes brighter. As more negative voltage is applied the trace intensity decreases until it is blanked.

4-215. CRT POST ACCELERATOR VOLTAGE.

4-216. The sine wave signal produced by high voltage oscillator A3Q1 is stepped up by the high voltage transformer, A3A4A1T1, which produces a peak-to-peak voltage of approximately 6000 volts between pins 9 and 5. This signal is applied to high voltage multiplier circuit which is a tripler circuit. The multiplier assembly rectifies the input voltage, inverts it, and multiplies it to approximately +20.2 K-volts to drive the CRT post accelerator.

Page 40

General Information

Table 5-1. Recommended Test Equipment

Model 1707A

Instru	ment	Required	Required for
Туре	Model	Characteristics	(see Note 1)
Voltmeter Calibrator	HP Model H01- 738BR	Voltage: 0.5V to 150V Accuracy: to 0.1%	Ρ, Α
Oscillator	HP Model 204C	Frequency: 100 kHz Voltage output: 15 mV	Ρ, Α
Time Mark Generator	Tektronix Type 184A	Time marks: 0.1 usec to 0.5 sec	Ρ, Α
Square Wave Gen. Square Wave Gen.	HP Model 211B Tektronix Model 106	Frequency: 100 kHz; <5ns Risetime: <1ns	Р, А Р, А
Multifunction Digital Voltmeter	HP Model 3439A with 3444A	Voltage Range: 1000V Accuracy: ±0.1% Resistance Range: 10 megohms Accuracy: ±0.1%	Ρ, Α, Τ
Constant Amplitude Signal Generator	Tektronix Type 191B	Frequency: 50 kHz to 75 MHz Voltage Output: 50 mV to 5V p-p	Ρ, Α
LC Meter	Tektronix Type 130 LC	Range: 30 pF	Ρ, Α, Τ
Feed through	HP Model 11048B	Resistance: 50 ohms	Ρ, Α
Termination Cable (1)	GR874 RG 213	GR874 to BNC 50 ohms 50-ohm cable	P, A P, A
Cable (2)	HP Model 10501A Cable Assembly	BNC 44"	Ρ, Α
Cable (2)	HP Model 10502A	BNC 9"	Ρ, Α
Adapter	HP Model 10110A	Banana Jack to BNC	Ρ, Α
Adapter Adapter	HP Model 10111A HP Model 10219A	BNC to Binding Post UHF to BNC Female Adapter	P, A P, A
Test Leads	HP Model 11002A	Test Leads	Ρ, Α, Τ
Probe	HP Model 10004A	Divide ratio: 10:1 Accuracy: ±3%	A
RF Millivoltmeter	HP Model 411A	Range: 100 mV	Р
		Accuracy: ±3%
High Voltage Probe	HP Model K05- 3440A	Divide ratio: 1000:1 Accuracy: ±3%	P,A
Monitor Oscilloscope	HP Models 180A, 1801A and 1820A	Bandwidth: 50 MHz	Ρ, Α, Τ
Screwdriver	HP Part No. 8710-0900	Pozidrive	А, Т
Service Kit	HP Part No. 01701-68701	Extender Boards and Board Puller	Ρ, Α, Τ
Note 1.	P = Performance Check,	A = Adjustment Procedure, T = Troublesho	ooting. 7000-A-19

5-0

Page 41

SECTION V

PERFORMANCE CHECK AND ADJUSTMENT PROCEDURES

5-1. INTRODUCTION.

5-2. This section contains procedures for verifying the performance of the Model 1707A and adjustments necessary to calibrate the instrument. Procedures are arranged in numerical order. For best results, this order should be followed. Included in this section are test setups, procedures, and tips about tools and test equipment. Test point and adjustment location photograph (Figure 5-14) is located on fold-outs at the end of this section and may be referred to while performing the adjustments.

5-3. EQUIPMENT REQUIRED.

5-4. A complete list of test equipment and accessories is given in Table 5-1. In addition, each test procedure contains a list of test equipment required to make that test. Substitute test equipment may be used provided the substitute equipment has the required characteristics.

5-5. POZIDRIV SCREWDRIVERS.

5-6. Pozidriv screws are used in this instrument. To avoid damage to the screws slots, a Pozidriv screwdriver should be used.

5-7. HP 01701-68701 SERVICE KIT.

5-8. The HP 10701-68701 Service Kit is an accessory item available from Hewlett-Packard for use in maintaining the Model 1707A. This kit can be obtained by contacting your nearest HP Sales/Service Office. A list of HP field offices is included at the back of this manual.

5-9. PERFORMANCE CHECK.

5-10. The performance tests given in this section are suitable for incoming inspection, preventative maintenance, and troubleshooting. The tests are designed to verify the published instrument specifications. Perform the tests in the order given, and record the measurement information on the Performance Check Record at the end of this section.

5-11. The tests are arranged in the following order:

Test Description
Deflection Factor
Risetime
Bandwidth
Input RC
Common Mode Rejection Ratio (CMRR)

Para. No.	Description
5-27	Main Sweep Time
5-28	Calibrator
5-29	Main Triggering
5-30	Trigger Level Range and Polarity
5-31	Ext Input RC
5-32	Delayed Sweep Time
5-33	Delayed Triggering
5-34	Delay Jitter

5-12. Each test is arranged so the specification is written out. Next, a description of the test and any special instructions or problem areas are included. Each test that requires test equipment has a test setup drawing and a list of required equipment and accessories. Each procedure gives the control settings required for that particular test.

5-13. ADJUSTMENTS.

5-14. The adjustment procedures are arranged in numerical order. Many adjustments are directly related to preceding or following adjustments. The following sets of adjustments are related, and if one adjustment in the set is made, the other procedures in that set should be checked or adjusted.

Para. No. Description

ower ouppry and oute regustments
Low Voltage Power Supply Adjustment
High Voltage Power Supply Adjustment
Intensity Limit Adjustment
Y Axis Alignment
Gate Amplifier Response Adjustment
Horizontal Adjustments
Trigger Amplifier Balance and DC Level
Adjustment
Trigger Sensitivity Adjustment
Position Centering Adjustment
Sweep Length Adjustment
Main Sweep Timing Adjustment
X10 Gain Adjustment
MAG Centering Adjustment
Calibrator Adjustment
Delayed Sweep Time Adjustment

Page 42

Performance Check

Para. No.	Description
	Vertical Adjustments
5-50	Input Capacitance and Attenuator Com
5-51	Pulse Response Adjustment
5-51	Pulse Response Adjustment

5-15. PERFORMANCE CHECK RECORD.

5-16. Each measurement point in the performance test is repeated in the Performance Check Record. This card is perforated and may be removed for filing. The first time the performance check is made, enter the results on the Performance Check Record and file it for future reference 5-17. FRONT-PANEL ADJUSTMENTS.

5-18. Set the instrument up and perform initial adjustments outlined in Section III before proceeding with the Performance Checks or Adjustment Procedures.

5-19. FRONT-PANEL SETTINGS.

5-20. The control settings listed below are to be used in each performance test and adjustment procedure. If a control is to be set to another position it will be listed in the procedures. After the completion of each performance check or adjustment procedure, the controls should be set back to the original front-panel setting.

CHANNEL A

VOLTS/DIV	•					•	•		•		.01
Coupling	•				2					÷	AC
VOLTS/DIV Vernier				•			•	ŝ	×		CAL
POSITION			i e		X			C	e	n	tered
DISPLAY		. 10				•	•		a.	÷	. A

CHANNEL B

VOLTS/DIV
Coupling AC
VOLTS/DIV Vernier CAL
POSITION Centered
B POL NORM
HORIZONTAL POSITION Centered
MAIN VERNIER CAL
DELAYED VERNIER CAL
Sweep Display MAIN SWEEP
MAIN TIME/DIV
DELAYED TIME/DIV OFF
SWEEP MODE AUTO
TRIGGER INT
Trigger Coupling AC
MAIN SLOPE +
DELAYED SLOPE + +
MAIN TRIGGER LEVEL Centered
DELAYED TRIGGER LEVEL Centered
TRIGGER STABILITY NORM
MAG

Voltmeter Calibrator Settings (Volts p-p)	VOLTS/DIV Settings	Vertical Display (div)
0.05	.01	5± .15 div
0.1	.02	5± .15 div
0.3	.05	6± .18 div
0.5	.1	5± .15 div
. 1	.2	5± .15 div
3	.5	6± .18 div
5	1	5± .15 div
10	2	5± .15 div
30	5	6± .18 div

Table 5-2. Deflection Factor Accuracy

Page 43

5-21. PERFORMANCE TESTS.

5-22. DEFLECTION FACTOR.

SPECIFICATION: Ranges: from 10 mV/div to 5 V/div (9 ranges) in 1, 2, 5 sequence. Accuracy: ±3% with vernier in the CAL position. Vernier: continuously variable between all ranges, extends maximum deflection factor to at least 12.5 V/div. VERNIER UNCAL light indicates when vernier is not in CAL position.

DESCRIPTION: The deflection factor is checked by applying a 400 Hz, voltage calibrated signal to the input. The displayed signal is compared against the voltage standard.

Channel A Vernier_____≤2.4 div

Page 44

Performance Check

Model 1707A

6. Rotate Channel A vernier control fully clockwise into detent.

7. Connect voltmeter calibrator output to Channel B INPUT.

8. Set DISPLAY to B.

9. Repeat s

9.	Repeat steps 2 through 6 for Channel B.	.01 VOLTS/DIV 4.85 div	5.15 div
		Channel B Vernier	≤2.4 div
10.	Remove test equipment.
11.	Set Model 1707A controls as follows:
	Channel A and B VOLTS/DIV
12.	Refer to Paragraph 5-50 and Schematic 3 if any deflection facto	r is not within specifications.

5-23. RISETIME

SPECIFICATION: Risetime is less than 4.6 ns; direct or with Model 10006A probe. Risetime is measured from 10% to 90% with a 6-division input step from a 25-ohm source.

DESCRIPTION: A 100-kHz signal with a risetime of less than 1.0 ns is applied to the vertical input of the instrument. The risetime displayed on the CRT is then checked to see that it is less than 4.6 ns.

Figure 5-2. Risetime Test Setup

EQUIPMENT:

Square Wave' Generator

50-ohm Feed-through Termination

RG 213 Cable

PROCEDURE:

1. Connect instruments as shown in Figure 5-2

Page 45

2. Set instrument controls as follows:

Model 1707A

VOLTS/DIV	.01
MAIN TIME/DIV	SEC

Square Wave Generator

Set controls for a 60 mV, 100-kHz output signal.

3. Adjust HORIZONTAL POSITION control so risetime portion of signal is in center of CRT.

4. Push MAG pushbutton in (X10).

5. Measure pulse risetime between 10% and 90% points (dotted lines on CRT). Risetime should be less than 4.6 ns.

Channel A risetime_____< 4.6.ns

6. Move square wave generator output to Channel B INPUT.

7. Set DISPLAY to B.

8. Repeat steps 2 through 5 for Channel B risetime.

Channel B risetime_____< 4.6 ns

9. Remove test equipment.

10. Set Model 1707A controls as follows:

DISPLAY	A
MAIN TIME/DIV	5 uSEC
MAG	X1

11. Refer to Paragraph 5-50 and Schematics 3 and 4 if the risetime specification is not met.

Page 46

Performance Check

5-24. BANDWIDTH.

SPECIFICATION: (Direct or with Model 10006A probe, 3 dB down from 50 kHz, 6 div reference signal from 25-ohm source) DC-coupled: dc to 75 MHz, AC-coupled: 10 Hz to 75 MHz,

DESCRIPTION: To check bandwidth, a constant amplitude signal generator is used to apply a 6-division, 50-kHz signal to the input of the Model 1707A. The constant amplitude signal generator frequency is increased to 75 MHz. The signal amplitude displayed on the CRT must always be equal to or greater than 4.3 divisions to meet bandwidth specifications.

Figure 5-3. Bandwidth Test Setup

EQUIPMENT:

Constant Amplitude Signal Generator

50-ohm RG 213 Cable

50-ohm Feed-through Termination

PROCEDURE:

1. Connect instruments as shown in Figure 5-3.
2. Set instrument controls as follows:

Model 1707A

VOLTS/DIV	.01
MAIN TIME/DIV	EC

Constant Amplitude Signal Generator

Set controls for 60 mV 50-kHz signal.

3. Adjust MAIN TRIGGER LEVEL for a stable display.
4. Adjust constant amplitude signal generator voltage vernier for 6 divisions of vertical display.

5. Set constant amplitude signal generator controls for a frequency output of 75 MHz. The vertical display on the CRT should be equal to or greater than 4.3 divisions.

Channel A Bandwidth ≥4.3 div_____

Page 47

Channel B Bandwidth >4.3 div

6. Connect constant amplitude signal generator to Channel B.
7. Set DISPLAY to B.
8. Repeat steps 2 through 5 for Channel B.
9. Remove test equipment.
10. Set Model 1707A controls as follows:

DISPLAY ....................................

11. Refer to Schematics 3 through 7 if either channel does not meet the bandwidth specification.

5-25. INPUT RESISTANCE

SPECIFICATION: The input is 1 megohm ±2% shunted by approximately 24 pF.

DESCRIPTION: The input resistance is measured with an ohmmeter to verify input impedance.

EQUIPMENT:

Multifunction Digital Voltmeter

BNC Cable

Banana Jack to BNC Adapter

PROCEDURE:

1. Connect instruments as shown in Figure 5-4.
2. Set instrument controls as follows:

Page 48

Channel A and B Coupling ..... DC

Multifunction digital voltmeter.

Set controls to measure 10 megohm.

NOTE

Use a range on the digital voltmeter having an output voltage of less than 1.2 volts. The input circuit is protected against voltages in excess of 1.2 volts.

3. Connect BNC cable to the Channel A INPUT. Channel A INPUT should measure 1 megohm ±2%.

Channel A Resistance 0.98 megohm_____1.02 megohm

4. Check all Channel A VOLTS/DIV ranges.

5. Move the BNC cable from Channel A to Channel B. Channel B input resistance should measure 1 megohm ±2%.

Channel B Resistance 0.98 megohm_____1.02 megohm

6. Check all Channel B VOLTS/DIV ranges.

7. Remove test equipment.
8. Set Model 1707A controls as follows:

Channel A and B VOLTS/DIV .01 Channel A and B Coupling ....................................

9 Refer to Paragraph 5-50 and Schematics 3 and 4 if input resistance specifications are not met.

Page 49

Performance Check

5-26, COMMON MODE REJECTION RATIO (CMRR),

SPECIFICATION: Frequency: dc to 1 MHz. Rejection ratio: At least 40 dB on 10 mV/DIV range, at least 20 dB on all other ranges with verniers set for optimum rejection. Common mode signal amplitude equal to 30 divisions.

DESCRIPTION: This measurement is made by applying identical signals to channel A and channel B and operating in the A + B (B INVT) mode. The signal displayed on the CRT will be the common mode signal.

Figure 5-5. Common Mode Rejection Test Setup

EQUIPMENT:

Constant Amplitude Signal Generator

BNC Cable 9" (2)

BNC Tee

RG 213 Cable

50-ohm Feed-through Termination

PROCEDURE:

1. Connect instruments as shown in Figure 5-5.
2. Set instrument controls as follows:

Model 1707A

OLTS/DIV	5
IAIN TIME/DIV	С

Constant Amplitude Signal Generator

Set controls for a 50-kHz, 0.3-volt p-p output signal.

3. Set DISPLAY switch to A + B mode.
4. Set Channel A and B VOLTS/DIV to .01.

Page 50

5. Set B POL switch to INVT position. The display should be less than 0.3 division.

CMRR (50 kHz/0.01 VOLTS/DIV) _____<0.3 div

6. Increase constant amplitude signal generator frequency to 1 MHz. The display should be less than 0.3 division.

CMRR (1 MHz/0.01 VOLTS/DIV)_____<0.3 div

7. For all other vertical sensitivity ranges (VOLTS/DIV), 30 divisions of signal at 1 MHz applied to Channel A and B INPUT will result in a deflection factor equal to or less than 3 divisions. This deflection factor is with verniers adjusted for optimum rejection.

8. Remove test equipment.

9. Set Model 1707A controls as follows:

DISPLAY					a e				0.08	639			6 K.	• •			a i		0.0	×		R (5)			063						103	• xa	Es		A	ł
B POL			es s						539	0.0	1 3		s 18		18			036	102		03	ю	- 30		00					es.				NO	RN	Λ
Channel A a	and B	VOI	_TS	/DI	V	i x	× e	• •	8			ः		•	•	¢.			•	a s	0		ж.)	04	× )	8.9	•	• •	•		• •	••••		•	.0	1

10. Refer to Schematic 4 if the CMRR specification is not met.

5-27. MAIN SWEEP TIME.

SPECIFICATION:

Ranges: From 0.1 usec/div to 0.2 sec/div (20 ranges) and 1, 2, 5 sequence. Accuracy is ±3% with vernier in CAL position.

Vernier: Continuously variable between all ranges; extends slowest sweep to at least .5 sec/div. VERNIER UNCAL light indicates when vernier is not in CAL position.

Magnifier: Expands all sweeps by a factor of 10 and extends the fastest sweep speed to 10 ns/div. Accuracy is ±5%.

DESCRIPTION: The instrument time base is compared against a time mark generator to verify specifications.

Page 51

Performance Check

Model 1707A

EQUIPMENT:

Time Mark Generator

BNC Cable

PROCEDURE:

1. Connect instruments as shown in Figure 5-6.
2. Set instrument controls as follows:

Model 1707A

Channel A VOLTS/DIV	As required
MAIN TIME/DIV	1 uSEC

Time Mark Generator

Set output for 0.1 usec markers.

3. Adjust HORIZONTAL POSITION control so the first marker is aligned with the first left hand vertical graticule. Eleven markers should be present on the screen.

.1 uSEC ______11 markers in 10 div ±0.3 div

4. Proceed to check the rest of the TIME/DIV settings using Table 5-3.

5. Set TIME/DIV switch to 1 uSEC.

6. Set time mark generator for 5 usec time marks. Adjust HORIZONTAL POSITION control so three time marks appear on the CRT.

7. Rotate MAIN VERNIER full counterclockwise. VERNIER UNCAL light should be lighted. The time period between time marks should be less than 2 major divisions.

MAIN VERNIER Check _____ <2 div

8. Return MAIN VERNIER to CAL position.

9. Set time mark generator for 1 usec time marks. Eleven time marks should appear on CRT.

10. Press MAG pushbutton (X10). Adjust HORIZONTAL POSITION control until two time marks appear 10 divisions apart ±0.5 division.

MAG (X10) 9.5 div _____10.5 div

11. Remove test equipment.

12. Set Model 1707A controls as follows:

Channel A VOLTS/DIV	1
MAIN TIME/DIV	2
MAG X	1

13. Refer to the following paragraphs and schematics if any of these tests fail:

a. Sweep ranges: Paragraph 5-45, Schematics 10 and 11.

b. Vernier check: Paragraph 5-45, Schematics 10 and 11.

c. MAG (X10) check: Paragraph 5-46, Schematic 15.

Page 52

Performance Check

Table 5-3. Main Sweep Performance Check

Model 1707A

Time Mark Generator	Main Time/Div	Time Marks To Check
.1 usec	.1 uSEC	11 in 10 div ±.3 div
.5 usec	.2 uSEC	5 in 10 div ±.3 div
.5 usec	.5 uSEC	11 in 10 div ±.3 div
1 usec	1 uSEC	11 in 10 div ±.3 div
5 usec	2 uSEC	5 in 10 div ±.3 div
5 usec	5 . uSEC	11 in 10 div ±.3 div
10 usec	10 uSEC	11 in 10 div ±.3 div
50 usec	20 uSEC	5 in 10 div ±.3 div
50 usec	50 uSEC	11 in 10 div ±.3 div
.1 ms	.1 mSEC	11 in 10 div ±.3 div
.5 ms	.2 mSEC	5 in 10 div ±.3 div
.5 ms	.5 mSEC	11 in 10 div ±.3 div
1 ms	1 mSEC	11 in 10 div ±.3 div
5 ms	2 mSEC	5 in 10 div ±.3 div
5 ms	5 mSEC	11 in 10 div ±.3 div
10 ms	10 mSEC	11 in 10 div ±.3 div
50 ms	20 mSEC	5 in 10 div ±.3 div
50 ms	50 mSEC	11 in 10 div ±.3 div
.1 sec	.1 SEC	11 in 10 div ±.3 div
.5 sec	.2 SEC	5 in 10 div ±.3 div

Page 53

Performance Check

5-28. CALIBRATOR

SPECIFICATION:

Type: 1 kHz ±10% square wave.

Voltage: 1 volt p-p ±1%.

DESCRIPTION: The frequency is checked by the Model 1707A. The calibrator amplitude is checked by comparing the p-p signal against a known 0.1% 1 volt p-p signal.

Figure 5-7. Calibrator Measurement Test Setup

EQUIPMENT:

Voltmeter Calibrator

Banana Jack to BNC Adapter

BNC Cable

Test Lead

PROCEDURE

1. Connect instruments as shown in Figure 5-7.
2. Set instrument controls as follows:

Model 1707A

Channel A VOLTS/DIV		.1
Channel A Coupling	9 K.	DC
MAIN TIME/DIV	2 m	SEC

Voltmeter Calibrator

Set for 1V p-p output.

3. Adjust VOLTS/DIV Vernier knob so the display is exactly 6 divisions of vertical amplitude.

Page 54

50-ohm Feed-Through Termination

Female BNC to GR874 Adapter

PROCEDURE:

1. Connect instruments as shown in Figure 5-8.
2. Set instrument controls as follows:

Model 1707A

MAIN TIME/DIV			254			a u				2.20	2.2	1 7	20		2 22		174		10				1.2		a seg	.1 ι	JSE	EC
MAG			201			÷.,	a i	-	1.			5.5				- 2	-	-	10	-		20					Х	10
Channel A VOLTS	/DIV	1000	- 259	2.4	-	a e	4	-			:	4		÷	a is	• •		-			E.C		a e	-			6.43	.1

Constant Amplitude Signal Generator

Set controls for a 35 MHz, 0.5 division display output signal.

3. Adjust MAIN TRIGGER LEVEL for a stable display. If a stable display is obtained, the instrument is triggering properly.

Internal Triggering (35 MHz) (V)

4. Set constant amplitude signal generator controls for 75 MHz, 1.5 division display output signal.

5. Adjust MAIN TRIGGER LEVEL for a stable display. If a stable display is obtained, the instrument is triggering properly.

Internal Triggering (75 MHz) (V)

6. Push INT/EXT pushbutton (EXT).

7. Set constant amplitude signal generator controls for 75 MHz, 35 mV RMS (100 mV p-p) signal as read on the RF millivoltmeter

8. Adjust MAIN TRIGGER LEVEL for a stable display. If a stable display is obtained, the instrument is triggering properly.

External Triggering (75 MHz)_____(

9. Set constant amplitude signal generator controls for 35 MHz, 17.5 mV RMS (50 mV p-p) signal as read on the RF millovoltmeter.

10. Adjust MAIN TRIGGER LEVEL for a stable display. If a stable display is obtained, the instrument is triggering properly.

External Triggering (35 MHz) _____(\scrime)

11. Release INT/EXT pushbutton (INT).

12. Release MAG pushbutton (X1).

13. Disconnect the constant amplitude signal generator from the instrument.

14. Connect audio oscillator output to Channel A INPUT.

15. Set DISPLAY to CHOP.

16. Set Model 1707A TIME/DIV control to 2 uSEC.

17. Set oscillator controls for a 50 mV, 100 kHz output signal.

Page 55

Performance Check

Model 1707A

18. Adjust MAIN TRIGGER LEVEL for a stable display. A segmented display should be observed. This is a normal display.

	Chop Triggering (100 kHz) (V)
19.	Remove test equipment.
20.	Set Model 1707A controls as follows:
	DISPLAY A VOLTS/DIV .01 MAIN TIME/DIV 5 uSEC

21. Refer to Paragraphs 5-41 and 5-42 and Schematic 8 and 9 if any of the triggering specifications are not met.

5-30. TRIGGER LEVEL RANGE AND POLARITY.

SPECIFICATION: The trigger level should adjust smoothly at any point on the vertical waveform for both the negative and positive portions of the slope. In the EXT mode, triggering should adjust from -1.5V to +1.5V.

DESCRIPTION: The trigger level range and polarity are checked against a calibrated input to ensure that the instrument triggers on both the negative and positive slopes of the input signal.

Figure 5-9. Trigger Range and Polarity Test Setup

EQUIPMENT:

Voltmeter Calibrator

BNC Cable

BNC Tee

Banana Jack to BNC Adapter

PROCEDURE:

1. Connect instruments as shown in Figure 5-9.
2. Set instrument controls as follows:

Model 1707A

VOLTS/DIV	5
MAIN TIME/DIV	.5 mSEC

Voltmeter Calibrator

Set controls for a 5-volt, 400-Hz output signal.

Page 56

Performance Check

3. Rotate MAIN TRIGGER LEVEL to both extremes. Triggering point should adjust smoothly across positive slope of the waveform displayed on the CRT.

4. Press MAIN SLOPE pushbutton (-).

5. Rotate TRIGGER LEVEL to both extremes. Triggering point should adjust smoothly across negative slope of the waveform displayed on the CRT.

INT Trigger Level (−)_____(√)

6. Press INT/EXT pushbutton (EXT).

7. Repeat steps 1 through 5 in EXT position. Triggering in EXT for both positive and negative slope should operate smoothly -1.5V to +1.5V.

EXT	Trigger	Level	(+) -1.5V	+1.5V
EXT	Trigger	Level	(-)-1.5V	+1.5V

8. Remove test equipment.

9. Set Model 1707A controls as follows:

VOLTS/DIV
MAIN TIME/DIV
INT/EXT	INT
SLOPE

10. Refer to Paragraph 5-41 and Schematic 8 if any of these measurements are not met.

5-31. EXT INPUT RESISTANCE

SPECIFICATION: The input is 1 megohm ±2% shunted by approximately 27 pF.

DESCRIPTION: The input resistance is measured with a meter to verify input impedance.

Figure 5-10. Ext Input Resistance Test Setup

EQUIPMENT:

Multifunction Digital Voltmeter

BNC Cable

Banana Jack to BNC Adapter

Page 57

Performance Check

PROCEDURE:

1. Connect instruments as shown in Figure 5-10.
2. Set instrument controls as follows:

Model 1707A
MAIN AC/DC	DC
INT/EXT	EXT

Multifunction Digital Voltmeter

Set controls to 10 megohm range.

NOTE

Use a range on the digital voltmeter having an output voltage of less than 1.2 volts. The input circuit is protected against voltages in excess of 1.2 volts.

3. Connect BNC cable to the EXT INPUT. Input resistance should measure 1 megohm ±2%.

Input Resistance 0.98 megohm ______1.02 megohm

4. Set Model 1707A INT/EXT to INT.
5. Remove test equipment.
6. Refer to Schematic 8 if resistance specifications are not met.

5-32. DELAYED SWEEP TIME.

SPECIFICATION:

Ranges: From 0.1 usec/div to 0.1 sec/div (19 ranges) in a 1, 2, 5 sequence. Accuracy ±3% with vernier in CAL position.

Vernier: Continuously variable between all ranges; extends slowest sweep speed to at least .25 sec/div. VERNIER UNCAL light indicates when vernier is not in CAL position.

DESCRIPTION: The delayed time base is compared against a time mark generator to verify specifications.

Figure 5-11. Delayed Sweep Time Setup

Page 58

EQUIPMENT:

Time Mark Generator

BNC Cable

PROCEDURE:

1. Connect instruments as shown in Figure 5-11.
2. Set instrument controls as follows:

Model 1707A

VOLTS/DIV		•						÷	9	•		•	. ,	• •	•	•		÷		• •	•			•		•	•	• •			а	s red	quire	ed
DELAYED TIME/DIV	1	10	i 183	2	81 ¥	•••	123	- 2	s	84	a v	a.	27.2	134			2.2	si.	23		а. С	83	254				- 63	4.16		. i .		.1	uSE	С
Display					a k				36 B	1	a. 4		0.9	124	83			×.			a,			÷		• •			DE	LA	YE	DS	WEE	Ρ
MAIN TIME/DIV		•	• •:>		• •			e x	e e			æ		1.1		्र		24	x : A	• •	•		• •	•	• •	•	-	• •	:			.2	uSE	С

Time Mark Generator

Set output for .1 usec markers.

2. Adjust HORIZONTAL POSITION controls so the first marker is aligned with the first left hand vertical graticule. Eleven markers should be present on the screen.

.1 usec_____11 markers in 10 div ±.3 div

3. Proceed to check the rest of the DELAYED TIME/DIV settings using Table 5-4. The MAIN TIME/DIV control should be one step slower than DELAYED TIME/DIV.

Table 5-4. Delayed Sweep Performance

Time Mark Generator	Delayed Time/Div	Time Marks To Check
.1 usec	.1 uSEC	11 in 10 div ±.3 div
.5 usec	.2 uSEC	5 in 10 div ±.3 div
.5 usec	.5 uSEC	11 in 10 div ±.3 div
1 usec	1 uSEC	11 in 10 div ±.3 div
5 usec	2 uSEC	5 in 10 div ±.3 div
5 usec	5 uSEC	11 in 10 div ±.3 div
10 usec	10 uSEC	11 in 10 div ±.3 div
50 usec	20 uSEC	5 in 10 div ±.3 div
50 usec	50 uSEC	11 in 10 div ±.3 div
.1 ms	.1 mSEC	11 in 10 div ±.3 div
.5 ms	.2 mSEC	5 in 10 div ±.3 div
.5 ms	.5 mSEC	11 in 10 div ±.3 div
1 ms	1 mSEC	11 in 10 div ±.3 div

Page 59

Performance Check

Time Mark Generator	Delayed Time/Div	Time Marks To Check
	0
5 ms	2 mSEC	5 in 10 div ±.3 div
5 ms	5 mSEC	11 in 10 div ±.3 div
10 ms	10 mSEC	11 in 10 div ±.3 div
50 ms	20 mSEC	5 in 10 div ±.3 div
50 ms	50 mSEC	11 in 10 div ±.3 div
.1 sec	.1 SEC	11 in 10 div ±.3 div

4. Set DELAYED TIME/DIV switch to 1 mSEC.

5. Set time mark generator for 5 ms time marks.

6. Adjust DELAY TIME until three time marks appear on the CRT.

7. Rotate delay VERNIER full counterclockwise. VERNIER UNCAL light should be lighted. The time period should be equal to or less than two divisions.

NOTE

Sweep length decreases as VERNIER is turned counterclockwise.

Delayed Vernier Check_____≤2 div

8. Return DELAYED VERNIER to CAL position.

9. Remove all test equipment.

10. Set Model 1707A controls as follows:

VOLTS/DIV	01
DELAYED TIME/DIV	OFF
Display	MAIN SWEEP

11. Refer to Paragraph 5-49 and Schematics 12 and 13 if any of the tests fail.

Page 60

Performance Check

5-33. DELAYED TRIGGERING.

SPECIFICATION: Internal; DC to 35 MHz on signals causing one-half division or more of vertical deflection increasing to 1.5 divisions at 75 MHz in all display modes except chop; dc to 100 kHz in chop mode.

DESCRIPTION: Delayed triggering is checked with known input signals to ensure proper triggering.

Figure 5-12. Delay Triggering Test Setup

EQUIPMENT:

Constant Amplitude Signal Generator

RG 213 Cable

50-ohm Feed-through Termination

PROCEDURE:

1. Connect instruments as shown in Figure 5-12.
2. Set instrument controls as follows:

Model 1707A

VOLTS/DIV	ō
MAIN TIME/DIV	2
DELAYED TIME/DIV	С
DELAYED AUTO/TRIG TRIC	3
Display DELAYED SWEE	Ρ
MAIN TRIGGER LEVEL	٧

Constant Amplitude Signal Generator

Set controls for a 35 MHz, 0.5 division display output signal.

3. Adjust MAIN TRIGGER LEVEL for a stable display. If a stable display is obtained, the instrument is triggering properly.

Delayed Internal Triggering (35 MHz)_____(

4. Set constant amplitude signal generator controls for 75 MHz, 1.5 division display output signal.

5. Adjust MAIN TRIGGER LEVEL for a stable display. If a stable display is obtained, the instrument is triggering properly

Delayed Internal Triggering (75 MHz) (V)

6. Disconnect test equipment.

Page 61

7. Set Model 1707A controls as follows:

VOLTS/DIV	01
MAIN TIME/DIV	5 uSEC
DELAYED TIME/DIV	OFF
DELAYED AUTO/TRIG	AUTO
Display I	MAIN SWEEP

8. Refer to Paragraph 5-42 and Schematics 8 and 9 if delayed triggering specifications are not met.

5-34. DELAY JITTER.

SPECIFICATION: Delay jitter should be less than .02%.

DESCRIPTION: The delay jitter is checked by expanding the sweep by 20,000 and visually monitoring the jitter.

Figure 5-13. Delay Jitter Test Setup

EQUIPMENT:

Time Mark Generator

BNC Cable

PROCEDURE:

1. Connect instruments as shown in Figure 5-13.
2. Set instrument controls as follows:

Model 1707A

VOLTS/DIV	5
MAIN TIME/DIV	1 mSEC
DELAYED TIME/DIV	.5 uSEC
Display MAIN	SWEEP

Page 62

Time Mark Generator

Set for 1 ms time marks.

3. Adjust DELAY TIME so intensified portion of sweep is at the 11th graticule line.
4. Turn display mode to DELAYED SWEEP.
5. Adjust DELAY TIME so display is centered.
6. Display jitter should be less than 1 division which is equal to less than .02%.

Display jitter_____<1 div

7. Remove test equipment.
8. Set Model 1707A controls as follows:

VOLTS/DIV	01
MAIN TIME/DIV.	5 uSEC
DELAYED TIME/DIV	OFF
Display	MAIN SWEEP

9. Refer to Schematics 8, 9, 12, 13, and 15 if specifications are not met.

Page 63

Page 64

PERFORMANCE CHECK RECORD

Serial No.

REFERENCE	DESCRIPTION	RESULTS
STEP	DESCRIPTION	MIN	ACTUAL	MAX
5-22	DEFLECTION FACTOR		Chan Chan A B
	.01 VOLTS/DIV .02 VOLTS/DIV .05 VOLTS/DIV .1 VOLTS/DIV .2 VOLTS/DIV .5 VOLTS/DIV 1 VOLTS/DIV 2 VOLTS/DIV 5 VOLTS/DIV	4.85 div 4.85 div 5.82 div 4.85 div 4.85 div 5.82 div 4.85 div 4.85 div 5.82 div		5.15 div 5.15 div 6.18 div 5.15 div 5.15 div 6.18 div 5.15 div 5.15 div 6.18 div
	Channel A Vernier Channel B Vernier			≪2.4 div ≪2.4 div
5-23	RISETIME
	Channel A Risetime Channel B Risetime			<4.6 ns <4.6 ns
5-24	BANDWIDTH
	Channel A Bandwidth Channel B Bandwidth	≥4.3 div ≥4.3 div
5.25	INPUT RESISTANCE
	Channel A Resistance Channel B Resistance	.98 megohm .98 megohm		1.02 megohm 1.02 megohm
5-26	COMMON MODE REJECTION RATIO (CMRR)
	CMRR (50 kHz/0.01 volts/div) CMRR (1 MHz/0.01 volts/div)			<.3 div <.3 div
5.27	MAIN SWEEP TIME
	.1 uSEC .2 uSEC .5 uSEC 1 uSEC 2 uSEC 5 uSEC	11 in 9.7 div 5 in 9.7 div 11 in 9.7 div 11 in 9.7 div 5 in 9.7 div 11 in 9.7 div 11 in 9.7 div		11 in 10.3 div 5 in 10.3 div 11 in 10.3 div 11 in 10.3 div 5 in 10.3 div 11 in 10.3 div

Page 65

PERFORMANCE CHECK RECORD (CONT'D)

Serial No. _____

REFERENCE	DESCRIPTION	RESULTS
STEP	DESCRIPTION	MIN	ACTUAL	МАХ
5-27 (Cont'd)	10 uSEC 20 uSEC 50 uSEC .1 mSEC .2 mSEC .5 mSEC 1 mSEC 2 mSEC 5 mSEC 10 mSEC 20 mSEC .1 SEC .1 SEC .2 SEC Main Vernier Check	11 in 9.7 div 5 in 9.7 div 11 in 9.7 div 11 in 9.7 div 5 in 9.7 div 11 in 9.7 div 11 in 9.7 div 5 in 9.7 div 5 in 9.7 div 11 in 9.7 div 5 in 9.7 div 11 in 9.7 div 11 in 9.7 div 5 in 9.7 div		11 in 10.3 div 5 in 10.3 div 11 in 10.3 div 11 in 10.3 div 5 in 10.3 div 11 in 10.3 div 11 in 10.3 div 11 in 10.3 div 5 in 10.3 div 11 in 10.3 div 11 in 10.3 div 11 in 10.3 div 11 in 10.3 div 5 in 10.3 div 11 in 10.3 div 2 div <2 div
5-28		9.5 div		10.5 div
	Calibrator Amplitude Calibrator Frequency	5.94 div 900 Hz		6.06 div 1100 Hz
5-29	MAIN TRIGGERING
	Internal Triggering (35 MHz) Internal Triggering (75 MHz) External Triggering (75 MHz) External Triggering (35 MHz) Chop Triggering (100 kHz)			~~~~~
5-30	TRIGGER LEVEL RANGE AND POLARITY
	Int Trigger Level (+) Int Trigger Level (-) Ext Trigger Level (+) Ext Trigger Level (-)	-1.5V -1.5V		√ √ +1.5V +1.5V
5-31	EXT INPUT RESISTANCE
	Input Resistance	.98 megohm		1.02 megohm
5-32	DELAYED SWEEP TIME
	.1 uSEC .2 uSEC	11 in 9.7 div 5 in 9.7 div		11 in 10.3 div 5 in 10.3 div

Page 66

PERFORMANCE CHECK RECORD (CONT'D)

Serial No. _____

REFERENCE	DESCRIPTION	RESULTS
STEP	DESCRIPTION	MIN	ACTUAL	MAX
	.5 uSEC 1 uSEC 2 uSEC 5 uSEC 10 uSEC 20 uSEC 50 uSEC .1 mSEC .2 mSEC .1 mSEC .2 mSEC 1 mSEC 2 mSEC 5 mSEC 10 mSEC 20 mSEC 50 mSEC .1 SEC Delayed Vernier Check	11 in 9.7 div 11 in 9.7 div 5 in 9.7 div 11 in 9.7 div 11 in 9.7 div 5 in 9.7 div 11 in 9.7 div 11 in 9.7 div 11 in 9.7 div 11 in 9.7 div 11 in 9.7 div 11 in 9.7 div 11 in 9.7 div 11 in 9.7 div 11 in 9.7 div 11 in 9.7 div 11 in 9.7 div 11 in 9.7 div 11 in 9.7 div 11 in 9.7 div 11 in 9.7 div 11 in 9.7 div 11 in 9.7 div 11 in 9.7 div 11 in 9.7 div		11 in 10.3 div 11 in 10.3 div 5 in 10.3 div 11 in 10.3 div 11 in 10.3 div 5 in 10.3 div 11 in 10.3 div 11 in 10.3 div 5 in 10.3 div 11 in 10.3 div 11 in 10.3 div 11 in 10.3 div 11 in 10.3 div 11 in 10.3 div 11 in 10.3 div 11 in 10.3 div 11 in 10.3 div 11 in 10.3 div 11 in 10.3 div 11 in 10.3 div 11 in 10.3 div 11 in 10.3 div
5-33	DELAYED TRIGGERING
	Delayed Internal Triggering (35 MHz) Delayed Internal Triggering (75 MHz)			~
5-34	DELAY JITTER			√
	Delay Jitter			<1 div

Page 67

Page 68

5-35. ADJUSTMENT PROCEDURES.

5-36. LOW VOLTAGE POWER SUPPLY ADJUSTMENT.

REFERENCE: Schematics 19 and 20, Figures 8-70, 8-71 and 8-72, Adjustment Locations Figure 5-14.

DESCRIPTION: The +15V is the only regulated voltage in this instrument. The rest of the voltages in this instrument are referenced to +15V. The voltage accuracy is set by using a digital voltmeter to monitor the +15V.

EQUIPMENT:

Digital Voltmeter

Test Leads

PROCEDURE:

1. Remove top and bottom covers.
2. Connect digital voltmeter to Gate Assembly wire (92).

Power is present in the Line Rectifier Assembly, (A2) and Low Voltage Mother Board (A3A1) when POWER switch is OFF.

3. Turn instrument on.
4. Adjust A3A2R3, low voltage adjust for a meter indication of +15V ±10 mV.

Low Voltage Adj 14.99V_____15.01V

5. Check the rest of power supply output voltages as shown in Table 5-5.

Table 5-5. Power Supply Voltage Limits

Supply	Test Point	Lir	mits
+15V	A4 Wire (92)	+14.99V	+15.01V
-15V	A4 Wire (97)	-14.5V	-15.75V
+5V	A4 Wire (93)	+5.1V	+5.5V
+50V	A4 Wire (2)	+47V	+52V
-50V	A4 Wire (7)	-47V	-52V
+80V	A4 Wire (926)	+80V	+90V

6. Turn instrument off.
7. If any voltage measurement is inaccurate, refer to Schematics 18, 19 and 20 troubleshooting information.

Page 69

5-37. HIGH VOLTAGE POWER SUPPLY ADJUSTMENT.

REFERENCE: Schematics 17, Figures 5-14 and 8-58.

DESCRIPTION: The high voltage is adjusted by comparing it against a known calibrated voltage standard.

EQUIPMENT:

Digital Voltmeter

Voltmeter Calibrator

1000: 1 Divider Probe

PROCEDURE:

1. Remove CRT cover from rear of CRT.
2. Remove cover from rear of CRT socket.
3. Turn instrument on.
4. Connect digital voltmeter through 1000 to 1 divider probe to voltmeter calibrator.
5. Set voltmeter calibrator to -100-volt output.
6. Note voltmeter indication.
7. Multiply indication in step 6 by 21.5.
8. Monitor high voltage applied to CRT pin 2 (red wire) using 1000 to 1 divider probe and digital voltmeter.
9. Adjust A3A4R1, high voltage adjust, for value calculated in step 7.
10. Turn instrument off.
11. Disconnect test equipment and replace covers on socket and CRT.
12. Check high voltage power supply circuits on Schematic 17 if adjustment can not be made.

5-38. INTENSITY LIMIT ADJUSTMENT.

REFERENCE: Schematic 17, Figures 5-14 and 8-58.

DESCRIPTION: The intensity limit adjustment is set so the front panel INTENSITY control has complete range. This range is from extinguished to complete brightness.

PROCEDURE:

1. Turn instrument on.
2. Obtain a free-running trace (Figure 3-2).
3. Set INTENSITY control to 9 o'clock position.
4. Adjust A3A4R15, intensity limit, until trace is just extinguished.
5. Set INTENSITY control to 10 o'clock position and verify that trace is visible.
6. Check the high voltage power supply circuit on Schematic 17 if this adjustment cannot be made.

Page 70

5-39. Y-AXIS ALIGNMENT

REFERENCE: Schematics 16 and 17, Figures 5-14, 8-55 and 8-58.

DESCRIPTION: The internal orth adjust is set to align the trace on the Y-Axis.

EQUIPMENT:

Oscillator

NOTE

Make sure the horizontal trace is properly aligned before proceeding with this adjustment.

PROCEDURE:

1. Connect Audio Oscillator set for 10KHz, 60MV output to Channel A INPUT.
2. Set Sweep Display to DELAYED SWEEP (leave delayed sweep time OFF).
3. Adjust HORIZONTAL POSITION until vertical line is centered on CRT screen.
4. Adjust A4R35, ORTH adjust, until vertical line is aligned on major Y-Axis graticule.
5. Disconnect Audio Oscillator.
6. Set Sweep Display to MAIN SWEEP.
7. Refer to Schematics 16 and 17 if adjustment cannot be made.

5-40. GATE AMPLIFIER RESPONSE ADJUSTMENT

REFERENCE: Schematic 16, Figures 5-14 and 8-58.

DESCRIPTION: The gate amplifier is adjusted for optimum response.

EQUIPMENT:

Monitor Oscilloscope

10:1 Divider Probe

PROCEDURE

1. Set MAIN TIME/DIV to 1 uSec.
2. Connect divider probe from monitor oscilloscope to wire (1) on A4 gate amplifier assembly board.
3. Set monitor oscilloscope controls as follows:

а.	Coupling .			DC
b.	All others	N	lormal dis	play

4. Adjust Model 1707A INTENSITY for 20V amplitude pulse as displayed on monitor oscilloscope.

Page 71

5. Adjust A4C12, gate response adjust, for fastest risetime and flatest pulse of positive going signal.
6. Disconnect test equipment.
7. Set MAIN TIME/DIV to 5 uSEC.
8. Refer to Schematic 16 if this adjustment cannot be made.

5-41. TRIGGER AMPLIFIER BALANCE AND DC LEVEL ADJUSTMENT

REFERENCE: Schematics 5 and 6, Figures 5-14 and 8-15.

DESCRIPTION: The Composite Sync adj and Channel A Sync adj are set so the instrument triggers at the same point on all signals.

EQUIPMENT:

Oscillator

PROCEDURE:

1. Connect oscillator to Channel A INPUT.
2. Set Channel A VOLTS/DIV to .1.
3. Set oscillator to 50-kHz output and 6-div amplitude.
4. Set MAIN TIME/DIV switch to 5 uSEC.
5. Adjust Vertical POSITION to center graticule.
6. Adjust TRIGGER LEVEL until sweep triggers at center graticule.
7. Set trigger coupling to DC.
8. Adjust A5A4R81, composite sync adj, until sweep triggers at the same point as in step 6.
9. Change DISPLAY to ALT.
10. Adjust A6A4R66, Channel A sync zero, until sweep triggers at some point as in step 6.
11. Disconnect test equipment.
12. Set Model 1707A controls as follows:

DISPLAY		•			a.				×	•		÷				82	•	3	×.	•					• •	•		100	1	4
VOLTS/DIV						•		e			e			•		•	•	28			•	÷	a						.0	1

13. Refer to Schematics 5, 6 and 9 if this adjustment cannot be made.

5-42. TRIGGER SENSITIVITY ADJUSTMENT.

REFERENCE: Schematic 9, Figures 5-14 and 8-31.

DESCRIPTION: Trigger sensitivity is adjusted with a calibrated input to ensure proper triggering range.

Page 72

EQUIPMENT:

Constant Amplitude Signal Generator

RG 213 Cable

50-ohm Feed-through Termination

PROCEDURE:

1. Set Model 1707A controls as follows:

Coupling A(	2
DISPLAY A	•
MAIN TIME/DIV	;
Channel A VOLTS/DIV	I.
Trigger Coupling HF RE.	I
DELAYED AUTO/TRIG	ì

2. Connect constant amplitude signal generator to Channel A INPUT.
3. Set constant amplitude signal generator for a 0.5-volt, 1-MHz output.
4. Adjust A6A2R45, trigger sensitivity, and MAIN TRIGGER LEVEL until stable display occurs.
5. Recheck performance in accordance with Paragraph 5-29. Readjust A6A2R45 if necessary.
6. Set Model 1707A Display to DELAYED SWEEP.
7. Set constant amplitude signal generator for a 0.5-volt, 1-MHz output.
8. Set DELAYED TIME/DIV to .5 uSEC.
9. Set MAIN TRIGGER LEVEL counterclockwise.
10. Adjust A6A2R47, trigger sensitivity, and DELAYED TRIGGER LEVEL until stable triggering occurs.
11. Disconnect test equipment.
12. Set Model 1707A controls as follows:

MAIN TIME/DIV	;
DELAYED TIME/DIV OFF	ŧ.
Display MAIN SWEEP	>
Channel A VOLTS/DIV
DELAYED AUTO/TRIG AUTO	C.

13. Refer to Schematics 8 and 9 if this adjustment cannot be made.

5-43. POSITION CENTERING ADJUSTMENT.

REFERENCE: Schematic 4, 5 and 6, Figures 5-14 and 5-15.

DESCRIPTION: Internal controls are adjusted to center the display. This adjustment varies the amplifier dc reference thus establishing position.

Page 73

PROCEDURE:

1. Set DISPLAY to B.
2. Center Channel B POSITION control.
3. Adjust front panel DC BAL for no vertical trace shift as B POL switch is changed from NORM to INVT.
4. Adjust A5A4R92, position centering adjust, to center trace vertically.
5. Adjust A5A4R46, internal DC bal, for no vertical trace shift as the Channel B vernier is rotated.
6. Repeat steps 2 through 5, if necessary, until there is no further change.
7. Set DISPLAY to A.
8. Center Channel A POSITION control.
9. Adjust front panel DC BAL to center trace.
10. Adjust A5A4R43, internal DC bal, for no vertical trace shift as the Channel A vernier is rotated.
11. Repeat steps 8 through 10, if necessary, until there is no further change.
12. Set DISPLAY to A + B.
13. Adjust A5A4R70, A + B bal, to center trace.
14. Set Model 1707A controls as follows:

DISPLAY ..... A

15. Refer to Schematics 4, 5, 6 and 7 if this adjustment cannot be made.

5-44. SWEEP LENGTH ADJUSTMENT.

REFERENCE: Schematic 15, Figures 5-14 and 8-51.

DESCRIPTION: The X1 gain adjust of the horizontal preamplifier is adjusted to set sweep length to 11 divisions.

PROCEDURE:

1. Check to see that all controls are set according to Paragraph 5-20.
2. Adjust A6A9R1, X1 gain adjust, for a display length of 11 divisions.

NOTE

Adjust A6A9R1 for a display length of 10 divisions. Position right end of display 1 division to the left and readjust A6A9R1 to increase display length of 1 division.

3. Refer to Schematic 15 if this adjustment cannot be made.

Page 74

5-45. MAIN SWEEP TIMING ADJUSTMENT.

REFERENCE: Schematics 10 and 11, Figures 5-14, 8-34 and 8-38.

DESCRIPTION: The main sweep time adjustments are made with a known time reference input to provide a calibrated sweep.

EQUIPMENT:

Time Mark Generator

BNC Cable

PROCEDURE:

1. Connect time mark generator to Channel A INPUT.
2. Set instrument controls as follows:

Model 1707A

DELAYED TIME/DIV		OFF
MAIN TIME/DIV	*****	1 uSEC
Display	MAII	N SWEEP
VOLTS/DIV	as	s required

Constant Amplitude Signal Generator

Set time mark generator for 0.1 usec time marks.

3. Adjust A6A5R16, Cal adjust, for 11 time marks in 10 divisions.

Table 5-6. Sweep Time Adjustments

Time marks	MAIN TIME/DIV	Adjustment	Time marks
.1 usec	.1 uSEC	A6A5R16	11
1 usec	1 uSEC	A6A5R15	11
.1 msec	.1 mSEC	A6A5R14	11
10 msec	10 mSEC	A6A5R13	11

4. Complete the rest of the sweep time adjustments per Table 5-6.

5. Disconnect test equipment.
6. Set Model 1707A controls as follows:

MAIN TIME/DIV	5 uSEC
VOLTS/DIV	.01

7. Refer to Schematics 10 and 11 if this adjustment cannot be made.

Page 75

5-46. X10 GAIN ADJUSTMENT.

REFERENCE: Schematic 15, Figures 5-14 and 8-51.

DESCRIPTION: The horizontal preamplifier circuit X10 gain adjust is adjusted in the expand mode for X10 magnification.

EQUIPMENT:

Time Mark Generator

BNC Cable

PROCEDURE:

1. Connect time mark generator to Channel A INPUT.
2. Set instrument controls as follows:

Model 1707A

MAIN TIME/DIV				• •	• •		• •	• •=			•	• •		• •		• •	• •	•••	•:•	1 mSE	EC
VOLTS/DIV							• •					• •			•	•••			a	s requir	ed

Time Mark Generator

Set time mark generator for 0.1 ms time marks.

3. Press MAG pushbutton (X10).
4. Adjust A6A9R21, X10 gain adj, for 1 division between time marks.
5. Disconnect test equipment.
6. Release MAG pushbutton (X1).
7. Refer to Schematic 15 if this adjustment cannot be made.

5-47. MAG CENTERING ADJUSTMENT.

REFERENCE: Schematic 15, Figures 5-14 and 8-51.

DESCRIPTION: The Mag centering adjust is set so the display is expanded around center screen.

EQUIPMENT:

Time Mark Generator

BNC Cables

PROCEDURE:

1. Connect time mark generator to Channel A INPUT.
2. Set instrument controls as follows:

Page 76

MAIN TIME/DIV			-			୍କ	. ::	A			-	ø			13				100	2				a.				à	i.	.2	mS	SEC	С
VOLTS/DIV	e.	•		20		-	•	•	•			٠	s s				•	•		×			•			•	•	,	as	s re	qui	ire	d

Time Mark Generator

Set time mark generator for 1 ms time mark.

3. Adjust HORIZONTAL POSITION so middle time mark is on the center graticule.
4. Press MAG pushbutton (X10).
5. Adjust A6A9R2, Mag centering adjust, to re-center middle time mark.
6. Disconnect test equipment.
7. Set Model 1707A controls as follows:

MAIN	тι	M	E/	DI	٧						-		4	ः	÷		-			•		•			• •	•			•					•			5 u	ISE	С
MAG						•	×		200	•		•			÷	×			e e			•	÷	•	•	•	×		•	•				•	÷			X	1

8. Refer to Schematic 15 if this adjustment cannot be made.

5-48. CALIBRATOR ADJUSTMENT.

REFERENCE: Schematic 16, Figures 5-14 and 8-55.

DESCRIPTION: The calibrator output is compared against a voltmeter calibrator standard to accurately set the calibrator amplitude.

EQUIPMENT:

Voltmeter Calibrator

Test Leads

PROCEDURE:

1. Perform DC BAL Adjustment (Figure 3-6).
2. Set Channel A VOLTS/DIV to .1.
3. Set coupling to DC.
4. Connect voltmeter calibrator to Channel A INPUT.
5. Set voltmeter calibrator to 1-volt p-p output.
6. Adjust Channel A vernier for a display of 6 divisions.
7. Disconnect voltmeter calibrator.
8. Connect CAL 1 VOLT output to Channel A INPUT.
9. Adjust A4R29, cal ampl, for a 6-division display.
10. Disconnect CAL 1 VOLT output from Channel A.
11. Set Model 1707A controls as follows:

Page 77

Channel A Vernier .

12. Refer to Schematic 16 if this adjustment cannot be made.

5-49. DELAYED SWEEP TIME ADJUSTMENT.

REFERENCE: Schematics 12 and 13, Figures 5-14, 8-41 and 8-44,

DISCRIPTION: The delayed sweep time adjustments are made with a known time reference input to provide a calibrated sweep.

EQUIPMENT:

Time Mark Generator

BNC Cable

PROCEDURE:

1. Connect time mark generator output to Channel A INPUT.
2. Set instrument controls as follows:

Model 1707A

VOLTS/DIV	as required
MAIN TIME/DIV	.2 uSEC
DELAYED TIME/DIV	.1 uSEC
Display	'ED SWEEP

Time Mark Generator

Set output for .1 usec time marks.

3. Adjust A6A6R16, cal adjust, for 11 marks in 10 divisions.

4. Complete the rest of the sweep time adjustments per Table 5-7. The MAIN TIME/DIV control should be one step slower than DELAYED TIME/DIV.

Time Mark Generator	Model 1707A Delay Time/Div	Adjustment	Time Mark
.1 usec	.1 uSEC	A6A6R16	11
1 usec	1 uSEC	A6A6R15	11
1 msec	1 mSEC	A6A6R14	11
10 msec	10 mSEC	A6A6R13	11

Table 5-7. Delayed Sweep Time Adjustments

5. Disconnect test equipment.

6. Set the Model 1707A controls as follows;

VOLTS/DIV	01
MAIN TIME/DIV	5 uSEC
DELAYED TIME/DIV	OFF
Display MAIN	SWEEP

Page 78

7. Refer to Schematic 12 and 13 if this adjustment cannot be made.

5-50, LOW-FREQUENCY PULSE RESPONSE ADJ.

REFERENCE: Schematic 6, Figures 5-14, 8-21 and 8-22.

DESCRIPTION: The low frequency compensation resistor in the vertical preamplifier is adjusted for optimum pulse response.

EQUIPMENT:

Square Wave Generator

50-ohm Termination

BNC Cable

PROCEDURE:

1. Connect output of square wave generator through a 50-ohm termination to the Channel A INPUT.
2. Set instrument controls as follows:

Model 1707A

Channel A VOLTS/DIV	1	• •	ж			×	•	. ,	-	•	÷		•		•	:0		÷	•		×	÷	9		).	0				. ,	•	£	.0	)1
MAIN TIME/DIV							•	. ,		•		٠			c.)	:	•	×		•	÷	•	,	• •	•		÷					Ę	i us	ес

Square Wave Generator

Adjust square wave generator output for a 6-division 50 KHz display.

3. Adjust A5A4R96, L.F. COMP ADJ, for the flattest pulse response.
4. Disconnect test equipment.
5. Refer to Schematic 6 if the adjustment cannot be made.

5-51. INPUT CAPACITANCE AND ATTENUATOR COMPENSATION ADJUSTMENT.

DESCRIPTION: The input capacitance is adjusted to make the capacitance the same on all ranges. The attenuator compensation adjustment is made with a square wave input to provide optimum square wave response.

EQUIPMENT:

LC Meter

Square Wave Generator

BNC Cable

PROCEDURE:

1. Connect 600-ohm output from square wave generator to both Channels A and B INPUT.
2. Set instrument controls as follows:

Model 1707A

DISPLAY AL	T
VOLTS/DIV (both channels)	)2
MAIN TIME/DIV	C
Coupling (both channels) D	С

Page 79

3. Set square wave generator for a 10 KHz, 4 division display.
4. Perform the adjustments in Table 5-8 for best square wave response.

VOLTS/DIV	CHANNEL A	CHANNEL B
.02	A5A1C18	A5A2C18
.05	A5A1C19	A5A2C19
.1	A5A1C8	A5A2C8
.2	A5A1C13	A5A2C13
.5	A5A1C14	A5A2C14
1	A5A1C9	A5A2C9

Table 5-8, Square Wave Adjustment

5. Disconnect square wave generator.

6. Connect LC meter to appropriate channel as listed in Table 5-9 and measure input capacitance on .01 VOLTS/DIV range. Adjust appropriate capacitor to obtain same input capacitance as measured on .01 VOLTS/DIV range.

Table	5-9	Capacitance	Ad	iustment

VOLTS/DIV	CHANNEL A	CHANNEL B
.01	REFERENCE	REFERENCE
.1	A5A1C4	A5A2C4
1	A5A1C5	A5A2C5

7. Disconnect test equipment.

8. Set the Model 1707A controls as follows:

VOLTS/DIV				•		•	•		•			•		•		•			•				į.	01
DISPLAY					•		÷	•						•	×				•					А
MAIN TIME/DIV	÷	÷						•		ç.			÷			•	,				Ę	5ι	uSI	EC
Coupling	÷		•	• •		•	÷	•	•	į.	÷	•		•			•	•	•	•			A	AC

9. Refer to Schematics 3 and 4 if the adjustments cannot be made.

5-52. PULSE RESPONSE ADJUSTMENT.

REFERENCE: Schematic 6, Figures 5-14, 8-21, and 8-22.

DESCRIPTION: The high frequency compensation capacitors in the vertical amplifiers are adjusted for optimum pulse response.

EQUIPMENT:

Fast Rise Square Wave Generator

50-ohm Termination.

RG213 Cable

PROCEDURE:

1. Connect output square wave generator through a 50-ohm termination to the Channel B INPUT.
2. Set instrument controls as follows:

Model 1707A

DISPLAY .

....В

Page 80

Channel B VOLTS/DIV	.01
MAIN TIME/DIV	I uSEC
MAG	X10

Square Wave Generator

Adjust square wave generator output for a 6-division, 100-kHz display.

3. Adjust A5A4C26, A5A4C46, A5A5C7, A5A5C12, and A5A5R30 for the best pulse response with a risetime of less than 4.6 ns.

4. Observe pulse response of Channel B in the NORM and INVT positions.

5. Readjust A5A4C26, if necessary, to obtain optimum pulse response for both positions with a risetime of less than 4.6 ns.

6. Connect square wave generator to Channel A INPUT.

7. Set DISPLAY to A.

8. Adjust A5A4C5 for the best pulse response with a risetime of less than 4.6 ns.

9. Repeat steps 3 through 8 for optimum pulse response on both channels.

10. Disconnect test equipment.

11. Perform paragraph 5-24, bandwidth check, to ensure 75 MHz bandwidth is met.

12. Refer to Schematic 6 if this adjustments cannot be made.

Page 81

Page 82

Page 83

Page 84

Page 85

Page 86

SECTION VI

REPLACEABLE PARTS

6-1. INTRODUCTION.

6-2. This section contains information for ordering replacement parts. The abbreviations used in the parts list are described in Table 6-1. Table 6-2 lists the parts in alphanumeric order by reference designator and includes the manufacturer and manufacturer's part number. Table 6-3 contains the list of manufacturer's codes.

6-3. ORDERING INFORMATION.

6-4. To obtain replacement parts from Hewlett-Packard, address order or inquiry to the nearest Hewlett-Packard Sales/Service Office and supply the following information:

a. Instrument model and serial number.
b. HP Part Number of item(s).
c. Quantity of part(s) desired.
d. Reference designator of part(s).

6-5. To order a part not listed in the table, provide the following information:

a. Instrument model and serial number.

b. Description of the part, including function and location in the instrument.

c. Quantity desired.

Table 6-1. Abbreviations for Replaceable Parts List

A ASSY	= ampere(s) = assembly	GRD	= ground(ed)	NPO	= negative positive zero (zero temper-	RWV	= reverse working voltage
BD	= board(s)	H HG	= henry(ies) = mercury	NPN	= negative-positive-	S-B	= slow-blow
вн вр	= binder head = bandpass	HP HZ	= Hewlett-Packard = hertz	NSR	= not separately replaceable	SCR	= silicon controlled rectifier
1018	Duniquisi					SE SEC	= selenium = second(s)
C CAB	= centi (10 ^-2 ) = carbon	IF IMPG	= intermediate freq. = impregnated	OBD	= order by description	SECT	= section(s) = silicon
CCW	= counterclockwise	INCD	= incandescent	он	= oval head	SIL	= silver
CER	= ceramic	INCL	= include(s)	ox	= oxide	SL	= slide
CMO	= cabinet mount only	INS	= insulation(ed)			SP	= single pole
COAX	= coaxial	INT	= internal	P	= peak	SPL	= special
COEF	= coefficient			PC	= printed (etched)	ST	= single throw
COMP	= composition	r	- kilo (10 ³ )		circuit(s)	STD	= standard
CONN	= connector(s)	KG	= kilogram	PF	= picofarads
CHI	= cathode-ray tube	KG	- Kilograffi	PHL	= Phillips	TA	= tantalum
CW	= CIOCKWISE			PIV	= peak inverse	TD	= time delay
	10 may 10	LB	= pound(s)	-	voltage(s)	TFL	= teflon
D	= deci (10 ^-1 )	LH	= left hand	PNP	= positive-negative-	TGL	= toggle
DEPC	= deposited carbon	LIN	= linear taper	2/0	positive	THYR	= thyristor
DP	= double pole	LOG	= logarithmic taper	P/O	= part of	TI	= titanium
DT	= double throw	LPF	= low-pass filter(s)	PORC	= porcelain	TNLDIO	= tunnel diode(s)
		LVR	= lever	POS		TOL	= tolerance
				PPI	= potentiometer(s)	TRIM	= trimmer
ELECT	= electrolytic	м	- milli (10 ^-3 )	PRGM	= peak-to-peak
ENCAP	= encapsulated	MEG	= min (10 ⁶ )	PS	= program	22
EXT	= external	METELLM	= mega (10 )	PWV	= peak working	U	= micro (10 ^- )
		METOX	= metal oxide		voltage
F	= farad(s)	MER	= manufacturer		to ridge	V	= volts
FET	= field-effect	MINAT	= miniature			VAR	= variable
	transistor(s)	MOM	= momentary	RECT	= rectifier(s)	VDCW	= dc working volt(s)
FH	= flat head	MTG	= mounting	RF	= radio frequency		5.5
FIL H	= fillister head	MY	= mylar	REI	- radio frequency
FXD	= fixed		1941 Mar 1942	BH	multiplence	w	= watt(s)
			-9	00	- round nead	W/	= with
~	1 (1 9)	N	= nano (10 °)		right hand	WIV	= working inverse
G	= giga (10°)	N/C	= normally closed	PMO	= reck mount only	14/0	voltage
GL	= germanium	NE	- neon	PMC	- rack mount only		= without
GL	= glass	N/O	- normany open	RMS	= root mean square	****	= wirewound

Page 87

Table 6-2. Replaceable Parts

Reference Designation	HP Part Number	Qty	Description	Mfr Code	Mfr Part Number

A1 A1F1	5060-1196 2110-0018	1	POWER MODULE:NON-FILTERED FUSE:CARTRIDGE 0.25 AMP SLOW BLOW	28480 75915	5060-1196 313.250
41+1	2110-0008	1	FOR 230V OPERATION FUSE:0.50AMP 125V SLOW-BLOW FOR 115V OPERATION	71400	MDL 1/2
41J1 4151			N.S.R. PART OF A1 NSR P/O A1
A2 A2C1 A2C2	01701-66502 0160-3453 0180-2351	1 26 1	BDARD ASSY:LINE RECTIFIER C:FXD CER 0.05 UF +80-20% 100VDCH C:FXD ELECT 2000 UF +75-10% 50VDCH	28480 56289 56289	01701-66502 C023A101L5032S25-CDH 39D243
A2CR1 A2R1 A2R2 A2Z1 A3	1901-0045 0811-1204 0687-1031 1906-0021 01701-611	5 1 1 1	DIODE:SILICON 0.75A 100PIV R:FXD WH 200 DHM 5% 5W R:FXD COMP 10K DHM 10% 1/2W DIODE ASSY:SILICON POWER SUPPLY ASSY	04713 28480 01121 28480 28480	SR1358-7 0811-1204 EB 1031 1906-9021 01701-611
A 3MP 1 A 3MP 2 A 3MP 3 A 3Q1 A 3Q2	0340-0450 01701-04101 01701-65501 5030-0476 1854-0063	2 2 2 1 1	WASHER:TRANSISTOR INSULATOR COVER:POWER BOX BOX:POWER ASSEMBLY TRANSISTOP ASSY:SI NPN TSTR:SI NPN	04713 28480 28480 28480 80131	14852600F12 01701+04101 01701-65501 5080-0476 2N3055
A3W1 A3XQ2 A3A1 A341C1 A341C2	01701-61602 1200-0077 01701-66527 0180-0141 0150-0084	1 1 1 7	CABLE:LOW TO HIGH VOLTAGE INSULATOR:TRANSISTOR, MICA BOARD ASSY:MOTHER C:FXD ELECT 50 UF +75-10% 50VDCW C:FXD CER 0.1 UF +80-20% 100VDCW	28480 16037 28480 56289 56289	01701-61602 #112 01701-66527 3005066050002-05M 33C4185-C0H
A3A1C3 A3A1C4 A3A1C5 A3A1C6 A3A1C7	0180-0229 0150-0084 0180-0269 0180-0137 0180-0230	1 1 9	C:FXD ELECT 33 UF 10% 10VDCW C:FXD CER 0.1 UF +80-20% 100VDCW C:FXD ELECT 10.0 UF +50-10% 10VDCW C:FXD ELECT 10.0 UF +75-10% 10VDCW C:FXD ELECT 10.0 UF 20% 50VDCW	28480 56289 56289 56289 56289 56289	0180-0229 33C4185-CDH 30D135F1508A2-DSM 150DX1070010R2-DYS 150D105X0050A2-DYS
A341CR1 A341CR2 A341CR3 A341CR4 A341CR5	1901-0045 1901-0045 1901-0418 1901-0040 1884-0094	1 61 1	DIODE:SILICON 0.75A 100PIV DIODE:SILICON 0.75A 100PIV DIODE:SILICON 400PIV 1N5000 DIODE:SILICON 30MA 30WV THYRISTOR:BILATERAL SWITCH	04713 04713 04713 07263 04713	SR1358-7 SR1358-7 IN5000 FDG1088 SPT-12
A341CR6 A341J1 A341J2 A341J3 A341L1	1884-0082 01701-67601 1251-1968 1251-1968 9100-3139	1 2 10	THYRISTOR:SCR JEDEC TYPE 2N4441 CONNECTOR ASSY CONNECTOR:PC 10 TUNING FORK TYPE CONT CONNECTOR:PC 10 TUNING FORK TYPE CONT COLL:75 UH	04713 28480 02660 02660 28480	2N4441 01701-67601 143-010-07-1158 143-010-07-1158 9100-3139
A341L2 A341L3 A341L4 A341L5 A341L6	9100-3139 9100-1645 9100-3139 9100-3139 9100-3139	1	COIL:75 UH COIL/CHOKE 390.0 UH 5% COIL:75 UH COIL:75 UH COIL:75 UH	28480 82142 28480 28480 28480	9100-3139 19-1331-25J 9100-3139 9100-3139 9100-3139
A3A1L7 A3A1L8 A3A1L9 A3A1L9 A3A1MP1 A3A101	9100-3139 9100-3139 9100-3139 0890-1028 1854+0090	8 1	COIL:75 UH COIL:75 UH COIL:75 UH SLEEVING TSTR:SI NPN(SIMILAR TO 2N3053)	28480 28480 28480 28480 28480 28480	9100-3139 9100-3139 9100-3139 0890-1028 1854-0090
434181 434182 434183 434184 434185	0761-0015 0687-4711 0684-1011 0687-2201 0811-1673	1 2 36 1 1	R:FXD MET 0X 1500 OHM 5% 1W R:FXD COMP 470 DHM 10% 1/2W R:FXD COMP 100 OHM 10% 1/4W R:FXD COMP 22 OHM 10% 1/4W R:FXD COMP 22 OHM 10% 1/2W R:FXD WW 3.9 OHM 5% 2W	28480 01121 01121 01121 01121 28480	0761-0015 EB 4711 CB 1011 EB 2201 0911-1673
A3A1R6 A3A1R7 A3A1R8 A341R9 A341R10	0812-0086 0684-4701 0684-4711 0687-4711 0687-4711 0684-1041	1 2 2 13	R:FXD WW 5 OHM 53 3W R:FXD COMP 47 OHM 103 1/4W R:FXD COMP 470 OHM 103 1/4W R:FXD COMP 470 OHM 103 1/2W R:FXD COMP 100K OHM 103 1/4W	28480 01121 01121 01121 01121 01121	0812-0086 CB 4701 CB 4711 EB 4711 CB 1941
A3A1R11 A3A1R12 A3A1R13 A3A1R14 A3A1R15	0684-2731 0684-1041 0684-2731 0684-1031 0684-2731	4 11	R:FXD COMP 27K OHM 10% 1/4W R:FXD COMP 100K OHM 10% 1/4W R:FXD COMP 27K OHM 10% 1/4W R:FXD COMP 10K OHM 10% 1/4W R:FXD COMP 27K OHM 10% 1/4W	01121 01121 01121 01121 01121	CB 2731 CB 1041 CB 2731 CB 1031 CB 1031 CB 2731
A3A1R16 A341R17 A3A1T1 A341VK1 A341VR2	0684-2731 0684-1011 01701-61104 1902-3302 1902-3070	1 1 1	R:FXD COMP 27K DHM 10% 1/4W R:FXD COMP 100 OHM 10% 1/4W TOROID:FERRITE DIDDE BREAKDOWN:34.8V 2% 400 MM DIDDE:BREAKDOWN 4.22V 5%	01121 01121 28480 28480 04713	CB 2731 CB 1011 01701-61104 1902-3302 S210939-74
A3A1VR3 A3A2 A3A2C1 A3A2C2 A3A2C2 A3A2C3	1902-3315 01701-66504 0150-0084 0150-0084 0180-0098	1 1 2	DIDDE BREAKDOWN: 39.2V 2% 400 MW BOARD ASSY:LOW VOLTAGE CONVERTER C:FKD CER 0.1 UF +80-20% 100VDCW C:FKD CER 0.1 UF +80-20% 100VDCW C:FKD ELECT 100 UF 20% 20VDCW	29480 28480 56289 56289 56289	1902-3315 01701-65504 33C4185-CDH 33C4185-CDH 150D107X0020S2-DYS

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Reference Designation	HP Part Number	Qty	Description	Mfr Code	Mfr Part Number

A 3A2C4 A 3A2C5 A 3A2C5 A 3A2C5 A 3A2C7 A 3A2C8	0180-1802 0180-0098 0180-1780 0160-0168 0160-0380	1 2 4 1	C:FXD ELECT 150 UF +75-10% 40VDCW C:FXD ELECT 100 UF 20% 20VDCW C:FXD ELECT 500 UF +75-10% 10VDCW C:FXD MY 0.1 UF 10% 200VDCW C:FXD MY 0.22 UF 10% 200VDCW	56289 56289 28480 56289 28480	39D1576040EJ4-DSB 150D107X002052-DYS 0180-1780 192P10492-PTS 0160-0380
A3A2C9 A3A2C10 A3A2C11 A3A2C12 A3A2C13	0160-3453 0160-3451 0160-3453 0160-2141 0160-0168	17 3	C:FXD CER 0.05 UF +80-20% 10°YCH C:FXD CER 0.01 UF +80-20% 100VDCH C:FXD CER 0.05 UF +80-20% 100VDCH C:FXD CER 0.05 PF 80/20% 100VDCH C:FXD CER 0.00 PF 80/20% 100VDCH C:FXD MY 0.1 UF 10% 200VDCH	56289 56289 56289 91418 56289	C023A101L503Z525-CDH C023B101F103Z525-CDH C023A101L503Z525-CDH TYPE B 192P10492-PTS
A3A2C14 A3A2CR1 A3A2CR2 A3A2CR3 A3A2CR3 A3A2CR4	0160-0168 1901-0040 1901-0040 1901-0049 1901-0049	4	C:FXD MY 0.1 UF 10% 200VDCM DIDDE:SILICON 30MA 30WV DIDDE:SILICON 30MA 30WV DIDDE:SILICON 0.75A 50PIV DIDDE:SILICON 0.75A 50PIV	56289 07263 07263 04713 04713	192P10492-PTS FDG1088 FDG1088 SR1358-6 SR1358-6
A3A2CR5 A3A2L1 A3A2MP1 A3A2Q1 A3A2Q2	1901-0045 9140-0128 1205-0227 1855-0010 1854-0476	1 1 1	DIODE:SILICON 0.75A 100PIV COIL:FXD RF 22 UH HEAT DISSIPATOR:SEMICONDUCTOR TSTR:SI TSTR:SI NPN	04713 28480 28480 80131 02735	SR1358-7 9140-0128 1205-0227 2N2646 2N3879
A 3A 203 A 3A 204 A 3A 2R1 A 3A 2R2 A 3A 2R3	1854-0039 1853-0027 0684-1221 0684-2721 2100-1760	2 1 7 1 2	TSTR:SI NPN TSTR:SI PNP R:FXD COMP 1.2K OHM 10% 1/4W R:FXD COMP 2700 OHM 10% 1/4W R:VAR WW 5K OHM 5% TYPE V 1W	80131 07263 01121 01121 28480	2N3053 S1554S CB 1221 CB 2721 2100-1760
A3A2R4 A3A2R5 A3A2R6 A3A2R7 A3A2R8	0757-0199 0757-0442 0684-4721 0684-1011 0684-1011	10 7	R:FXD MET FLM 21.5K OHM 1% 1/8W R:FXD MET FLM 10.0K OHM 1% 1/8W R:FXD COMP 4700 OHM 10% 1/4W R:FXD COMP 100 OHM 10% 1/4W R:FXD COMP 100 OHM 10% 1/4W	28480 28480 01121 01121 01121	0757-0199 0757-0442 C8 4721 C8 1011 C8 1011
A3A2R9 A3A2R10 A3A2R11 A3A2k12 A3A2R13	0684-1011 0684-1011 0698-3159 0757-0401 0684-1521	2 14 1	R:FXD COMP 100 OHM 103 1/4W R:FXD COMP 100 OHM 103 1/4W R:FXD MET FLM 26-1K OHM 13 1/8W R:FXD MET FLM 100 OHM 13 1/8W R:FXD COMP 1500 OHM 103 1/4W	01121 01121 28480 28480 01121	CB 1011 CB 1011 C698-3159 0757-0401 CB 1521
A3A2R14 A3A2R15 A3A2R16 A3A2T1 A3A2U1	0684-1041 0684-2211 0761-0014 9100-3152 1820-0058	12 1 1 1	R:FXD COMP 100K OHM 10% 174W R:FXD COMP 220 OHM 10% 174W R:FXD MET 0X 180 OHM 5% 1W TRANSFORMER IC:LIN, OP AMPL	01121 01121 28480 28480 07263	CB 1041 CB 2211 0761-0014 9100-3152 SL21434
A3A2VR1 A3A2VR2 A3A2VR3 A3A2X11 A3A3	1902-0033 1902-3256 1902-0197 1200-0763 01701-66534	2 1 1 1 1	DIODE:BREAKDOWN 6.2V DIODE:BREAKDOWN SILICON 23.7V 5% DIODE BREAKDOWN:SILICON 82.5V 5% SOCKET:IC 8-PIN, FOR TO-5 CASE BOARD ASSY:RECTIFIER FILTER	04713 28480 28480 71785 28480	1N823 1902-3256 1902-0197 133-98-92-061 01701-66534
A3A3C1 A3A3C2 A3A3C3 A3A3C4 A3A3C5	0180-0116 0180-2344 0180-0098 0180-0098 0180-2344	1 4 3	C:FXD ELECT 6.8 UF 10% 35VDCW C:FXD ELECT 150 UF +75-10% 75VDCW C:FXD ELECT 100 UF 20% 20VDCW C:FXD ELECT 100 UF 20% 20VDCW C:FXD ELECT 100 UF 20% 20VDCW	56289 56289 56289 56289 56289 56289	1500685X903582-0YS 39D-1576075FJ4 1500107X002052-DYS 1500107X002052-DYS 39D-1576075FJ4
A 3A 3C 6 A 3A 3C 7 A 3A 3C 8 A 3A 3C 8 A 3A 3C 8 A 3A 3C 8 2	0180-0159 0180-0098 0180-1746 1901-0646 1901-0646	1 8	C:FXD ELECT 220 UF 20% 10VDCW C:FXD ELECT 100 UF 20% 20VDCW C:FXD ELECT 15 UF 10% 20VDCW DIODE:SI 200V 1A DIODE:SI 200V 1A	28480 56289 28480 28480 28480 28480	0180-0159 1500107X002052-DYS 0180-1746 1901-0646 1901-0646
4343CR3 4343CR4 4343CR5 4343CR5 4343CR6 4343CR7	1901-0646 1901-0646 1901-0646 1901-0646 1901-0646		DIODE:SI 200V 1A DIODE:SI 200V 1A DIODE:SI 200V 1A DIODE:SI 200V 1A DIODE:SI 200V 1A DIODE:SI 200V 1A	28480 28480 28480 28480 28480 28480	1901-0646 1901-0646 1901-0646 1901-0646 1901-0646
A3A3CR8 A3A3L1 A3A3L2 A3A3L3 A3A3L4	1901-0646 9140-0096 9140-0096 9140-0096 9140-0096	7	DIODE:SI 200V 1A COIL:FXD RF 1 UH COIL:FXD RF 1 UH COIL:FXD RF 1 UH COIL:FXD RF 1 UH	28480 28480 28480 28480 28480 28480	1901-0646 9140-0096 9140-0996 9140-0996 9140-0096
434315 434316 434317 4343mp1 434371	9140-0096 9140-0096 9140-0096 0403-0175 9100-3235	1	COIL:FXD RF 1 UH COIL:FXD RF 1 UH COIL:FXD RF 1 UH BUMPER:RUBBER 0.750" DIA TRANSFORMER	28480 28480 28480 77969 28480	9140-0096 9140-0096 9140-0096 6657 9100-3235
A3A4 A3A4A1 A3A4A2 A3A4C1 A3A4C2	01701-66528 01701-61102 01701-61101 0160-0168 0160-2403	1 1 1	BOARD ASSY:HIGH VOLTAGE OSCILLATOR HIGH VOLTAGE TRANSFORMER ASSY MULTIPLIER BOARD:HIGH VOLTAGE C:FXD MY 0-1 UF 10% 2009DCH C:FXD CER 1500 PF 20% 5K VDCW	28480 28480 28480 56289 72982	01701-66528 01701-61102 01701-61101 192210492-015 828-025-X5R0-152M

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Reference Designation	HP Part Number	Qty	Description	Mfr Code	Mfr Part Number

A3A4C3 A3A4C4 A3A4C5 A3A4C5 A3A4C5 A3A4C7	0160-3453 0180-0291 0180-1746 0170-0040 0160-3453	3 5 1	C:FXD CER 0.05 UF +80-20% 100VDCW C:FXD ELECT 1.0 UF 10% 35VDCW C:FXD ELECT 15 UF 10% 20VDCW C:FXD MY 0.047 UF 10% 200VDCW C:FXD CER 0.05 UF +80-20% 100VDCW	56289 56289 28480 56289 56289	C023A101L503Z525-CDH 150D105X9035A2-DYS 0180-1746 192P47392-PTS C023A101L503Z525-CDH
434468 434469 4344610 4344611	0160-3626 0160-3626 DELETED 0160-3626	14	C:FXD CER 5000 PF 20% 2K VDCW C:FXD CER 5000 PF 20% 2K VDCW C:FXD CER 5000 PF 20% 2K VDCW	56289 56289 56289	29C231A 29C231A 29C231A
A3A4C12 A3A4C13 A3A4C14 A3A4C15 A3A4C16 A3A4C16 A3A4C17	DELETED 0160-3626 0160-3626 0160-3626 0160-3626 0160-3626		C:FXD CER 5000 PF 20% 2% VDCW C:FXD CER 5000 PF 20% 2% VDCW C:FXD CER 5000 PF 20% 2% VDCW C:FXD CER 5000 PF 20% 2% VDCW C:FXD CER 5000 PF 20% 2% VDCW	56289 56289 56289 56289 56289 56289	29C231A 29C231A 29C231A 29C231A 29C231A
A3A4C18 A3A4C19 A3A4C20	0160-3626 0167-3626 DELETED		C:FXD CER 5000 PF 20% 2K VDCW C:FXD CER 5000 PF 20% 2K VDCW	56289 56289	29C231A 29C231A
4344C21 4344CR1	0160-3626 1901-0040		C:FXD CER 5000 PF 20% 2K VDCH DIDDE:SILICON 30MA 30WV	56289 07263	29C2314 FDG1088
A3A4CR2 A3A4CR3 A3A4CR4 A3A4CR5 A3A4CR5 A3A4CR6	1901-0040 1901-0040 1901-0040 1901-0049 1901-0049		DIDDE:SILICON 30MA 30MV DIDDE:SILICON 30MA 30MV DIDDE:SILICON 30MA 30MV DIDDE:SILICON 30MA 30MV DIDDE:SILICON 0.75A 50PIV DIDDE:SILICON 0.75A 50PIV	07263 07263 07263 04713 04713	F0G1088 F0G1088 F0G1088 SR1358-6 SR1358-6
A3A4CR7 A3A4CR8 A3A4CR9 A3A4CR9 A3A4DS1 A3A4DS2	1901-1022 1901-1022 1901-0033 2140-0018 2140-0018	2 1 2	DIDDE:SI RECTIFIER HV, 10 MA DIDDE:SI RECTIFIER HV, 10 MA DIDDE:SILICON 100MA 180WV LAMP:GLOW 1.0 MILLIAMPS 0.1W LAMP:GLOW 1.0 MILLIAMPS 0.1W	28480 28480 07263 08906 08806	1901-1022 1901-1022 FD3369 A9A-C(NE-251) A9A-C(NE-251)
A344F1 A344L1 A344MP1 A344MP2 A344MP3	2110-0033 9100-2268 5040-0402 5040-0430 2200-0125	1 1 1 1	FUSE:0.75A 250V CDIL:FXD 22-0 UH 10% MOUNT:TRANSFORMER MOUNT:TRANSFORMER SCREW:SST PAN HD POZI DR 4-40X1.500"LG	75915 82142 28480 28480 00000	F02GR750A 09-1316-4K 5040-0402 5040-0430 08D
A 3A 4 MP4 A 3A 4 MP5 A 3A 4 MP7 A 3A 4 MP8 A 3A 4 01	2110-0269 2110-0269 2200-0111 01701-26509 1854-0023	12 1 1 1	CLIP:FUSE 0.250" DIA CLIP:FUSE 0.250" DIA SCREW:PAN HD POZI DR 4-40 X 0.500" LG BOARD:ETCHED TSTR:SI NPN(SELECTED FROM 2N2484)	91506 91506 00000 28480 28480	6008-32CN 6008-32CN 080 01701-26509 1854-0023
A3A402 A3A403 A3A4R1 A3A4R2 A3A4R3	1854-0215 1853-0036 2100-1762 0757-0467 0698-7807	20 19 6 1	TSTR:SI NPN TSTR:SI PNP R:VAR WW 20K 5% 1W R:FXD MET FLM 121K OHM 1% 1/8W R:FXD MET FLM 8.5 MEGOHM 1% 2.0W	80131 80131 75042 28480 28480	2N3904 2N3906 CT-106-4 0757-0467 0698-7807
434484 434485 434486 434487 434485	0698-5922 0698-5922 0757-0280 0757-0438 0684-1011	2 2 10	R:FXD MET FLM 1.8 MEGOHM 1.0% 1/2W R:FXD MET FLM 1.8 MEGOHM 1.0% 1/2W R:FXD MET FLM 1K DHM 1% 1/8W R:FXD MET FLM 5.11K DHM 1% 1/8W R:FXD COMP 100 DHM 10% 1/4W	28480 28480 28480 28480 01121	0698-5922 0698-5922 0757-0280 0757-0438 CB 1011
434489 4344810 4344811 4344812 4344813	0757-0458 6684-1021 0684-1011 0757-0338 0757-0442	3 13 1	R:FXD MET FLM 51.1K OHM 1% 1/8W R:FXD COMP 1000 OHM 10% 1/4W R:FXD COMP 100 OHM 10% 1/4W R:FXD MET FLM 1.00K OHM 1% 1/4W R:FXD MET FLM 10.0K OHM 1% 1/8W	28480 01121 01121 28480 28480	0757-0458 CB 1021 CB 1011 0757-0339 0757-0442
A3A4R14 A3A4R15 A3A4R16 A3A4R16 A3A4R18	0757-0442 2100-2692 0684-1031 0836-0002 0684-1051	1 1 2	R:FXD MET FLM 10.3K OHM 1% 1/8W R:VAR CERMET 1 MEGOHM 20% TYPE V 1/2W R:FXD COMP 10K OHM 10% 1/4W R:FXD CARBON 20 MEGOHM 10% 1W R:FXD COMP 1MEGOHM 1% 1/4W	28480 28480 01121 28480 01121	0757-0442 2100-2692 CB 1031 0836-0002 CB 1051
A3A4R19 A3A4R20 A3A4R21 A3A4R22 A4	0684-1531 0684-1011 0684-4711 0684-1011 01701-66533	4	R:FXD COMP 15K OHM 10% 1/4W R:FXD COMP 100 OHM 10% 1/4W R:FXD COMP 470 OHM 10% 1/4W R:FXD COMP 100 OHM 10% 1/4W BOARD ASSY:GATE	01121 01121 01121 01121 28480	CB 1531 CB 1011 CB 4711 CB 1011 01701-66533
A4C1 A4C2 A4C3 A4C4 A4C5	0180-2344 0180-0098 0180-0098 0180-2344 0180-0137	2	C:FXD ELECT 150 UF +75-10% 75VDCW C:FXD ELECT 100 UF 20% 20VDCW C:FXD ELECT 100 UF 20% 20VDCW C:FXD ELECT 150 UF +75-10% 75VDCW C:FXD ELECT 100 UF 20% 10VDCW	56289 56289 56289 56289 56289	390-1576075FJ4 1500107X002052-DYS 1500107X002052-DYS 390-1576075FJ4 1500107X0010R2-DYS
A4C6 A4C7 A4C8 A4C9 A4C10	0160-3453 0160-2146 0160-3453 0160-3453 0150-0084	2	C:FXD CER 0.05 UF +80-20% 100VDCW C:FXD CER 0.02 UF +80-20% 100VDCW C:FXD CER 0.05 UF +80-20% 100VDCW C:FXD CER 0.05 UF +80-20% 100VDCW C:FXD CER 0.1 UF +80-20% 100VDCW	56289 91418 56289 56289 56289	C023A101L503Z525-C0H TA C023A101L503Z525-CDH C023A101L503Z525-CDH 33C4185-CDH

Page 90

Reference Designation	HP Part Number	Qty	Description	Mfr Code	Mfr Part Number

A4C11 A4C12 A4C13 A4C14 A4C15	0160-2146 0121-0168 0150-0084 0150-0084 0180-0058	1	C:FXD CER 0.02 UF +80-20% 100VDCM C:VAR TEFLON 0.25-1.50 PF 600VDCM C:FXD CER 0.1 UF +80-20% 100VDCM C:FXD CER 0.1 UF +80-20% 100VDCM C:FXD ELECT 50UF -10%+100% 25VDCM	91418 28480 56289 56289 56289	TA 0121-0168 33C4185-CDH 33C4185-CDH 33D506G°25DD4M1
A4C16 A4C17 A4CR1 A4CR2 A4CR3	0160-2432 0180-0197 1901-0040 1901-0040 1901-0040	1 6	C:FXD POLY 0.1 UF 5% 100VDCWW C:FXD ELECT 2.2 UF 10% 20VDCW DIODE:SILICON 30MA 30WV DIODE:SILICON 30MA 30WV DIODE:SILICON 30MA 30WV	84411 56289 07263 07263 07263	863T 150D225X9020A2-DYS FDG1088 FDG1088 FDG1088
44084 44085 44086 44087 44087 44088	1901-0040 1901-0040 1901-0040 1901-0040 1901-0040		DIODE:SILICON 30MA 30WV DIODE:SILICON 30MA 30WV DIODE:SILICON 30MA 30WV DIODE:SILICON 30MA 30WV DIODE:SILICON 30MA 30WV	07263 07263 07263 07263 07263 07263	FDG1088 FDG1088 FDG1088 FDG1088 FDG1088
A4CR9 A4CR10 A4CR11 A4CR12 A4CR13	1901-0040 1901-0044 1901-0040 1901-0045 1901-0040	1	DIODE:SILICON 30MA 30WV DIODE:SILICON 20MA/IV DIODE:SILICON 30MA 30WV DIODE:SILICON 0.75A 100PIV DIODE:SILICON 30MA 30WV	07263 28480 07263 04713 07263	FDG1088 1901-0044 FDG1088 SR1358-7 FDG1088
44F1 44F2 44F3 44F4 44F5	2110-0004 2110-0012 2110-0012 2110-0004 2110-0012	2 3	FUSE:CARTRIDGE 1/4 AMP 250V FUSE:0+5 AMP 250V FUSE:0+5 AMP 250V FUSE:CARTRIDGE 1/4 AMP 250V FUSE:0+5 AMP 250V	75915 75915 75915 75915 75915 75915	3AG/CAT. 312.250 312.500 312.500 3AG/CAT. 312.250 312.500
A4L1 A4L2 A4MP1 A4MP2 A4MP3	9100-3139 9100-3139 1205-0073 1200-0185 2110-0269	1 1	CDIL:75 UH CDIL:75 UH HEAT SINK:DUAL PADITRANSISTOR MOUNTING CLIP:FUSE 0.250" DIA	28480 28480 13103 13103 91506	9100-3139 9100-3139 22108 7717-22N RED 6008-32CN
44MP4 44MP5 44MP6 44MP7 44MP8	2110-0269 2110-0269 2110-0269 2110-0269 2110-0269 2110-0269		CLIP:FUSE 0.250" DIA CLIP:FUSE 0.250" DIA CLIP:FUSE 0.250" DIA CLIP:FUSE 0.250" DIA CLIP:FUSE 0.250" DIA	91506 91506 91506 91506 91506 91506	6008-32CN 6008-32CN 6008-32CN 6008-32CN 6008-32CN
A4MP9 A4MP10 A4MP11 A4MP12 A401	2110-0269 2110-0269 2110-0269 2110-0269 1854-0215		CLIP:FUSE 0.250" DIA CLIP:FUSE 0.250" DIA CLIP:FUSE 0.250" DIA CLIP:FUSE 0.250" DIA TSTR:SI NPN	91506 91506 91506 91506 80131	6008-32CN 6008-32CN 6008-32CN 6008-32CN 2N3904
A402 A403 A404 A405 A406	1853-0045 1853-0036 1854-0215 1853-0037 1854-0271	1 3 3	TSTR:SI PNP TSTR:SI PNP TSTR:SI NPN TSTR:SI PNP TSTR:SI NPN	80131 80131 80131 04713 28480	2N4036 2N3906 2N3904 55 2109 1854-0271
4407 4408 4409 44010 44R1	1854-0071 1854-0071 1853-0036 1854-0039 0757-0280	2	TSTR:SI NPN(SELECTED FROM 2N3704) TSTR:SI NPN(SELECTED FROM 2N3704) TSTR:SI PNP TSTR:SI NPN R:FXD MET FLM 1K OHM 1% 1/8W	28480 28480 80131 80131 28480	1854-0071 1854-0071 2N3906 2N3053 0757-0280
44R2 44R3 44R4 44R5 44R5	0698-3154 0757-0449 0757-0440 0684-2211 0684-4721	546	R:FXD MET FLM 4220 OHM 1% 1/8W R:FXD FLM 20K OHM 1% 1/8W R:FXD MET FLM 7.50K OHM 1% 1/8W R:FXD COMP 220 OHM 10% 1/4W R:FXD COMP 4700 OHM 10% 1/4W	28480 28480 28480 01121 01121	0698-3154 0757-0449 0757-0440 CB 2211 CB 4721
44R7 44R3 44R9 44R10 44R11	0684-1011 0684-1011 0684-4721 0684-1011 0684-5631	ĩ	R:FXD COMP 100 OHM 103 1/4H R:FXD COMP 100 OHM 103 1/4H R:FXD COMP 4700 OHM 103 1/4H R:FXD COMP 100 OHM 103 1/4H R:FXD COMP 56K OHM 103 1/4H	01121 01121 01121 01121 01121	C8 1911 C8 1911 C8 4721 C8 1911 C8 5631
A4R12 A4R13 A4R14 A4R15 A4R16	0757-0457 0684-1051 0757-0273 0757-0449 0757-0416	1 8 1	R:FXD MET FLM 47.5K OHM 1% 1/8W R:FXD COMP IMEGOHM 1% 1/4W R:FXD MET FLM 3.01K OHM 1% 1/8W R:FXD FLM 20K OHM 1% 1/8W R:FXD MET FLM 511 OHM 1% 1/8W	29480 01121 28480 28480 28480	0757-0457 C8 1051 0757-0273 0757-0449 0757-0416
A4R17 A4R18 A4R19 A4R20 A4R21	0757-0437 0757-0281 0684-1011 0684-4701 0757-0453	1 1 1	R:FXD MET FLM 4750 OHM 1% 1/8W R:FXD MET FLM 2.74K OHM 1% 1/8W R:FXD COMP 100 OHM 10% 1/4W R:FXD COMP 47 OHM 10% 1/4W R:FXD MET FLM 30.1K OHM 1% 1/8W	28480 28480 01121 01121 28480	0757-0437 0757-0281 CB 1011 CB 4701 0757-0453
A4R22 A4R23 A4R24 A4R25 A4R25 A4R26	C684-1011 0757-0442 0757-0438 0757-0454 0757-0418	1 3	R:FXD COMP 100 DHM 10% 1/4H R:FXD MET FLM 10.0K DHM 1% 1/8W R:FXD MET FLM 5.11K DHM 1% 1/8W R:FXD MET FLM 33.2K DHM 1% 1/8W R:FXD MET FLM 619 DHM 1% 1/8W	01121 28480 28480 28480 28480 28480	CB 1011 0757-0442 0757-0438 0757-0454 0757-0418

Page 91

Reference Designation	HP Part Number	Qty	Description	Mfr Code	Mfr Part Number

A4R27 A4R28 A4R29 A4R30 A4R31	0684-1021 0757-0284 2100-1770 0684-1021 0684-2221	7 1 11	R:FXD COMP 1000 OHM 10% 1/4W R:FXD MET FLM 150 OHM 1% 1/8W R:VAR WW 100 OHM 5% TYPE H 1W R:FXD COMP 1000 OHM 10% 1/4W R:FXD COMP 2200 OHM 10% 1/4W	01121 28480 28480 01121 01121	CB 1021 0757-0284 2100-1770 CB 1021 CB 2221
A4R32 A4R33	0684=2221 Deleted		R:FXD COMP 2200 DHM 10% 1/4W	01121	CB 2221
44R34 44R35 44R36	0684-1001 2100-1777 0684-1001	1 13	R:FXD COMP10 OHM 10% 1/4W R:VAR NH 20K OHM 5% TYPE H 1N R:FXD COMP10 OHM 10% 1/4W	01121 28480 01121	CB 1001 2100-1777 CB 1001
A4R37 A4VR1 A4VR2 A4VR3 A5	0 68 4- 22 31 1 90 2-00 52 1 90 2-00 33 1 90 2-0 24 4 01707-65804	6 1 1 1	R:FXD GOMP 22K OHM 10% 174W DIDDE BREAKOMN:6.81V DIDDE:BREAKOMN 6.2V DIDDE BREAKDOWN:30.1V VERTICAL AMPLIFIER MOD ASSY	01121 28480 04713 28480 28480	C8 2231 1902-0052 1N823 1902-0244 01701-65804
A5C1 A5C2 A5C3 A5C4 A5C5 A5DS1 A5J1 A5J2 A5MP1 A5MP2 A5MP3	0160-2913 0160-2257 0160-2257 0160-2261 0160-2261 1450-0709 1250-0118 1250-0118 1490-0841 01701-00603 01701-00608	2 9 3 4 2 1 1	C:FXD CER 0.01 UF +85-20% 500VDCW C:FXD CER 10 PF 5% 500VDCW C:FXD CER 10 PF 5% 500VDCW C:FXD CER 15 PF 5% 500VDCW C:FXD MICA 100 PF LIGHT:INDICATOR 90 VDC CONNECTOR:BNC CONNECTOR:BNC COUPLING:SHAFT 0.127" ID SHIELD:VERTICAL OUTPUT SHIELD:VERTICAL MODULE	72982 72982 72982 72136 72765 24931 24931 28480 28480 28480	811-014-Y5U0-1032 811-014-Y5U0-1032 301-000-C0H0-100J 301-MPO-15FF RDM15F101J3C 6140-000-603 28JR 128-1 28JR 128-1 1490-0841 01701-00673 01701-09608
45MP4 45MP5 45MP6 45MP7 45MP8	01701-01202 01701-04107 01701-21701 01701-24701 01707-01201	1 4 2 2	BRACKET:DISPLAY SWITCH PLATE:ATTENUATOR COVER BUSHING:POT SPACER:BNC BRACKET:POT	28480 28480 28480 28480 28480 28480	01701-01202 01701-04107 01701-21701 01701-24701 01707-01201
45MP9 45MP10 45R1 45R2 45R3	01707-09102 01707-23701 0757-0476 0757-0476 2100-3007	1 2 2 4	SPRING:SHAFT GROUND SHAFT:POT EXTENDER R:FXD MET FLM 301K OHM 1% 1/8W R:FXD MET FLM 301K OHM 1% 1/8W R:FVAR COMP 50K OHM 20% LIN 1/4W	28480 28480 28480 28480 28480 28480	01707-09102 01707-23701 0757-0476 0757-0476 2100-3007
4584 4585 4586 4587 4588	2100-3007 2100-2492 0757-0397 0698-3432 2100-2492	4 2 4	R:VAR COMP 50K OHM 20% LIN 1/4W R:VAR COMP 5K OHM 20% LIN 1/2W R:FXD MET FLM 68.1 OHM 1% 1/8W R:FXD MET FLM 26.1 OHM 1% 1/8W R:VAR COMP 5K OHM 20% LIN 1/2W	28480 28480 28480 28480 28480 28480	2100-3007 2100-2492 0757-0397 0698-3432 2100-2492
4589 45810 45811 45812 4581	0757-0397 0698-3432 2100-3099 2100-3099 3101-1396	4 2	R:FXD MET FLM 68.1 OHM 1% 1/8W R:FXD MET FLM 26.1 OHM 1% 1/8W R:VAR CERMET 5K OHM 10% LIN 2W R:VAR CERMET 5K OHM 10% LIN 2W SWITCH:PUSHBUTTON 2 POLE 1 STATION	28480 28480 28480 28480 28480 28480	0757-0397 0698-3432 2100-3099 2100-3099 3101-1396
4552 45W1 45W2 4541 4541C1	3100-2557 01707-61604 01707-61605 01707-63401 0150-0115	2 1 1 2 2	SWITCH:ROTARY 2 POLE 1 STATION CABLE ASSY:VERTICAL CABLE ASSY:VERTICAL SUB ATTENUATOR ASSY C:FXD CER 27 PF 10% 500VDCW	28480 28480 28480 28480 72982	3100-2557 01707-61604 01707-61605 01707-63401 301-000-U2J0-270K
454102 454103 454104 454105 454105	D170-0043 D160-2204 0121-0407 0121-0407 0160-2257	3 6 16	C:FXD MY 0.022UF 10% 400VDCH C:FXD MICA 100PF 5% C:VAR TRIMMER 0.7-3.0 PF C:VAR TRIMMER C.7-3.0 PF C:FXD CER 10 PF 5% 500VDCW	24446 72136 72982 72982 72982	64FDA223 RDM15F101J3C 536-016 536-016 301-000-C0H0-100J
A5A1C7 A5A1C8 A5A1C9 A5A1C10 A5A1C11	0160-2257 0121-0407 0121-0407 0150-0074 0160-2262	2 3	C:FXD CER 10 PF 5% 500VDCW C:VAR TRIMMER 0.7-3.0 PF C:VAR TRIMMER 0.7-3.0 PF C:FXD CER 7 PF 5% 500VDCW C:FXD CER 16 PF 5% 500VDCW	72982 72982 72982 72982 72982 72982	301-000-C0H0-100J 536-016 536-016 301-000-C0H0 7090 301-000 C060 160J
A5A1C12 A5A1C13 A5A1C14 A5A1C15 A5A1C16	0140-0130 0121-0407 0121-0407 0160-2240 0160-2254	2 2 2	C:FXD MICA 220 PF 5% 500VDCW C:VAR TRIMMER 0.7-3.0 PF C:VAR TRIMMER 0.7-3.0 PF C:FXD CER 2.0 PF 500VDCW C:FXD CER 7.5 PF 500VDCW	72982 72982 72982 72982 72982 72982	654-014(C811RD221J) 536-016 536-016 301-000-COKD-209C 301-000-COHD-759C
A5A1C17 A5A1C18 A5A1C19 A5A1L1 A5A1L2	0160-2258 0121-0407 0121-0407 9100-3196 9100-3195	2 2	C:FXD CER 11 PF 5% 500VDCW C:VAR TRIMMER 0.7-3.0 PF C:VAR TRIMMER 0.7-3.0 PF COLL:40 UH COLL:50 UH	72982 72982 72982 28480 28480	301-000-COGO-110J 536-016 536-016 9100-3196 9100-3195
A5A1MP A5A1MP1 A5A1MP2 A5A1MP2 A5A1MP3 A5A1MP4 A5A1R1	01701-3 01701-00605 01701-00607 01701-61201 1750A-64A 0757-0997	2 2	SHIELD:SWITCH OUTER SHIELD:SWITCH INNER BRACKET ASSY:SWITCH HOLDER-TRIMMER R:FXD MET FLM 3.92 OHM 1.0% 1/2W	28480 28480 28480 28480 28480 28480	01701-00605 01701-00607 01701-61201 1750A-64A 0757-0997

Page 92

Reference Designation	HP Part Number	Qty	Description	Mfr Code	Mfr Part Number

454182 454183 454184 454185 454185	0757-0346 0698-3430 0698-3431 0684-0271 0698-6400	4 2 2 2 2	R:FXD MET FLM 10 0HM 1% 1/8W R:FXD MET FLM 21.5 0HM 1% 1/8W R:FXD MET FLM 23.7 0HM 1% 1/8W R:FXD COMP 2.7 0HM 10% 1/4W R:FXD FLM 900K 0HM 1.0% 1/4W	28480 28480 28480 91121 28480	0757-0346 2698-3430 0698-3431 CB 2761 0698-6400
A5A1R7 A5A1R8 A5A1K9 A5A1R10 A5A1R11	0698-6634 0698-3109 0698-3429 0698-5470 0698-3432	2 2 4 2	R:FXD FLM 990K 0HM 1.0% 1/4W R:FXD MET FLM 10.1K 0HM 1% 1/8W R:FXD MET FLM 19.6 0HM 1% 1/8W R:FXD FLM 11K 0HM 1% 1/8W R:FXD MET FLM 26.1 0HM 1% 1/8W	28480 28480 28480 28480 28480 28480	0698-6634 0698-3109 0698-3429 0698-3429 0698-5470 0698-3432
4541812 4541813 4541814 4541815 4541816	0684-1001 0684-1001 0698-3263 0698-6654 0757-0344	2 2 4	R:FXD COMP 10 OHM 10% 1/4W R:FXD COMP 10 OHM 10% 1/4W R:FXD MET FLM 500K OHM 1% 1/8W R:FXD MET FLM 800K OHM 1% 1/4W R:FXD MET FLM 1.00 MEGOHM 1% 1/4W	01121 01121 28480 28480 28480	C8 1001 C6 1001 0698-3263 0698-654 0757-0344
4541R17 4541R18	0698-4011 0757-0344	2	R:FXD FLM 250K DHM 1% 1/8W R:FXD MET FLM 1.00 MEGOHM 1% 1/4W	28480 28480	0698-4011 0757-0344
454151 454152	3100-3018	2	NSR P/O MP3 SWITCH:ROTARY 3 SECTION 9 POSITION	28480	3100-3018
A 542 A 542 A 543 A 543MP1 A 544 A 544(1 A 544(1 A 544(2 A 544(2 A 544(2 A 544(2 A 544(2 A 544(2 A 544(2 A 544(2 A 544(2 A 544(2 A 544(2 A 544(2 A 544(2 A 544(2 A 544(2 A 544(2 A 544(2 A 544(2 A 544(2 A 544(2 A 544(2)))))))))))))))))))))))))))))))))))	01707-63401 01701-61616 01701-01206 01701-01207 01707-66501 0160-3443 0160-3443 0160-3443 0160-3443 0160-3443 0160-1746 0160-2261 0160-3443	1 30	SAME AS ASAL, USE PREFIX ASAC ATTENUATOR ASSY DELAY LINE BRACKET:DELAY LOWER BRACKET:DELAY LOPER BOARD ASSY:VERTICAL PREAMPLIFIER CIFXD CER 0.1 UF +80-20% 50VDCW CIFXD CER 0.1 UF +80-20% 50VDCW CIFXD CER 0.1 UF +80-20% 50VDCW CIFXD CER 0.1 UF 10% 20VDCW CIFXD CER 0.1 UF +80-20% 50VDCW CIFXD CER 0.1 UF +80-20% 50VDCW	28480 28480 28480 28480 72982 72982 72982 72982 72982 72982 72982 72982	01707-63401 01701-61616 01701-01206 01701-01207 01707-66501 8131-050-651-1042 301-NPD-15 PF 8131-050-651-1042 0180-1746 301-NPD-15 PF 8131-050-651-1042
A5A4C8 A5A4C9 A5A4C10 A5A4C11 A5A4C12	0160-3443 0160-3443 0160-3443 0180-1746 0160-3443		C:FXD CER 0.1 UF +80-20% 50VDCW C:FXD CER 0.1 UF +80-20% 50VDCW C:FXD CER 0.1 UF +80-20% 50VDCW C:FXD CER 0.1 UF +80-20% 50VDCW C:FXD CER 0.1 UF +80-20% 50VDCW	72982 72982 72982 28480 72982	8131-050-651-1042 8131-050-651-1042 8131-050-651-1042 0180-1746 8131-050-651-1042
A5A4C13 A5A4C14 A5A4C15 A5A4C16 A5A4C17	0150-0093 0160-3443 0180-1746 0150-0093 0160-3443	4	C:FXD CER 0.01 UF +80-20% 100VDCH C:FXD CER 0.1 UF +80-20% 50VDCW C:FXD ELECT 15 UF 10% 20VDCW C:FXD CER 0.01 UF +80-20% 100VDCW C:FXD CER 0.1 UF +80-20% 50VDCW	72982 72982 28480 72982 72982	801-K800011 8131-050-651-1042 0180-1746 801-K800011 8131-050-651-1042
A5A4C18 A5A4C19 A5A4C20 A5A4C21	Deleted 0180-1746 0160-3443 Deleted		C:FXD ELECT 15 UF 10% 20VDCW C:FXD CER 0.1 UF +80-20% 50VDCW	28480 72982	0180-1746 8131-050-651-1042
A544C22	0160-3443		C:FXD CER 0.1 UF +80-20% 50VDCW	72982	8131-050-651-1042
A544025 A544025 A544025 A544026 A544027	0160-3443 0121-0451 0121-0455 0160-3443	1 2	CIFKD CER 0-1 UF +80-20% 50VDCW CIFKD CER 0-1 UF +80-20% 50VDCW C:VAR AIR TRIMMER 1.7-11 PF 250VDC C:VAR AIR 1.9 & 15.7 PF C:FKD CER 0.1 UF +80-20% 50VDCW	72982 74970 74970 72982	8131-050-651-1042 187-106-5 187-109-5 8131-050-651-1042
A5A4C28 A5A4C29 A5A4C30 A5A4C31 A5A4C32	0160-2264 0160-2264 0160-2264 0160-2264 0160-2264 0180-0197	5	C:FXD CER 20 PF 5% 500VDCW C:FXD CER 20 PF 5% 500VDCW C:FXD CER 20 PF 5% 500VDCW C:FXD CER 20 PF 5% 500VDCW C:FXD ELECT 2.2 UF 10% 20VDCW	72982 72982 72982 72982 56289	301-000-0060-200J 301-000-0060-200J 301-000-0060-200J 301-000-0060-200J 1500225X9020A2-0YS
A5A4C33 A5A4C34 A5A4C35 A5A4C36 A5A4C36	0160-3443 0160-2202 0160-2141 0160-2141 0150-0059	1 4	C:FXD CER 0.1 UF +80-20% 50VDCW C:FXD MICA 75 PF 5% C:FXD CER 680 PF 80/20% 1000VDCW C:FXD CER 680 PF 80/20% 1000VDCW C:FXD CER 3.3 PF 500VDCW	72982 28480 91418 91419 72982	9131-050-651-1042 0160-2202 TYPE 8 TYPE 8 301-000-00JD-3390
4544C 38 4544C 39 4544C 40	0150-0059 0160-3443 0160-3443		C:FXD CER 3.3 PF 500VDCW C:FXD CER 0.1 UF +80-20% 50VDCW C:FXD CER 0.1 UF +80-20% 50VDCW	72982 72982 72982	301-000-00J0-3390 8131-050-651-1042 8131-050-651-1042
4544641	0180-0161	1	C:FXD ELECT 3.3 UF 20% 35VDCW	56289	1500335X003582-DYS
8584042 8584043 8584044 8584045 8584045	0160-3443 0160-3443 0160-3443 0150-0093 0121-0455		C:FXD CER D.1 UF +80-20% 50VDCW C:FXD CER 0.1 UF +80-20% 50VDCW C:FXD CER 0.1 UF +80-20% 50VDCW C:FXD CER 0.1 UF +80-20% 100VDCW C:FXD CER 0.01 UF +80-20% 100VDCW C:VAR AIR 1.9 & 15.7 PF	72982 72982 72982 72982 72982 74970	8131-050-651-1042 8131-050-651-1042 8131-050-651-1042 801-K800011 187-109-5
4544047 4544048 4544049 4544050 4544051	0160-2207 0150-0093 0160-2200 0140-0191 0160-2205	2 1 1 1	C:FXD MICA 300 PF 5% 300VDCW C:FXD CER 0.01 UF +80-20% 100VDCH C:FXD MICA 43 PF 5% C:FXD MICA 43 PF 5% 300VDCH C:FXD MICA 120 PF 5%	28480 72982 72136 19701 28480	0160-2207 801-x800011 RDM15E430J3C RDM15E560J 300V 0160-2205

Page 93

Reference Designation	HP Part Number	Qty	Description	Mfr Code	Mfr Part Number

4544052 4544053 45440R1 45440R2 45440R3	0180-0197 0180-0291 1901-0376 1901-0040 1901-0376	4	C:FXD ELECT 2.2 UF 10% 20VDCW C:FXD ELECT 1.0 UF 10% 35VDCW DIDDE:SILICON 35V DIDDE:SILICON 30MA 30WV DIDDE:SILICON 35V	56289 56289 28480 07263 28480	150D225X9020A2-DYS 1500105X9035A2-DYS 1901-0376 FDG1088 1901-0376
4544CR4 4544CR5 4544CR6 4544CR7 4544CR8	1901-0040 1901-0376 1901-0040 1901-0376 1901-0040		DIDDE:SILICON 30MA 30WV DIDDE:SILICON 35V DIDDE:SILICON 30MA 30WV DIDDE:SILICON 35V DIDDE:SILICON 35V	07263 28480 07263 28480 07263	FDG1088 1901-0376 FDG1088 1901-0376 FDG1088
A5A4CR9 A5A4CR10 A5A4CR11 A5A4CR12 A5A4CR13	1901-0040 1901-0040 1901-0040 1901-0040 1901-0040		DIODE:SILICON 30MA 30WV DIODE:SILICON 30MA 30WV DIODE:SILICON 30MA 30WV DIODE:SILICON 30MA 30WV DIODE:SILICON 30MA 30WV	07263 07263 07263 07263 07263 07263	FDG1088 FDG1088 FDG1088 FDG1088 FDG1088
45446814 45446815 454411 454412 454413	1901-0040 1901-0040 9100-2276 9100-2276 9100-2276	12	DIODE:SILICON 30MA 30WV DIODE:SILICON 30MA 30WV CDIL/CHOKE 100 UH 10% CDIL/CHOKE 100 UH 10% CDIL/CHOKE 100 UH 10%	07263 07263 28480 28480 28480	FDG1088 FDG1088 9100-2276 9100-2276 9100-2276
4544L4 4544L5 4544L6 4544L7 4544L8	9100-2276 9100-2276 9100-2276 9100-2276 9100-2276		COIL/CHOKE 100 UH 10% COIL/CHOKE 100 UH 10% COIL/CHOKE 100 UH 10% COIL/CHOKE 100 UH 10% COIL/CHOKE 100 UH 10%	28480 28480 28480 28480 28480 28480	9100-2276 9100-2276 9100-2276 9100-2276 9100-2276
4544L9 4544L10 4544L11 4544L12 4544L13	9100-2276 9100-2276 9100-3194 9100-3194 9100-2247	2	COIL/CHOKE 100 UH 10% COIL/CHOKE 100 UH 10% COIL:MOLDED 6+5 TURNS COIL:MOLDED 6+5 TURNS COIL:FXD RF 0+10 UH 10%	28480 28480 28480 28480 28480 28480	9100-2276 9100-2276 9100-3194 9100-3194 9100-2247
A5A4L14 A5A401 A5A402 A5A403 A5A403 A5A404	9100-2257 1855-0085 1855-0085 1855-0085 1855-0085 1855-0085	1 4	CDIL/CHOKE:0.82UH 10% TSTR:FET TSTR:FET TSTR:FET TSTR:FET	82142 28480 28480 28480 28480 28480	09-4426-5K 1855-0085 1855-0085 1855-0085 1865-0085
454405 454406 454407 454408 454408	1854-0345 1854-0345 1854-0345 1854-0345 1854-0345 1854-0345	8	TSTR:SI NPN TSTR:SI NPN TSTR:SI NPN TSTR:SI NPN TSTR:SI NPN	80131 80131 80131 80131 80131 80131	2N5179 2N5179 2N5179 2N5179 2N5179 2N5179
4544010 4544011 4544012 4544013 4544013	1854-0345 1854-0345 1854-0345 1854-0280 1854-0280	4	TSTR:SI NPN TSTR:SI NPN TSTR:SI NPN TSTR:SI NPN DUAL TSTR:SI NPN DUAL	80131 80131 80131 28480 28480	2N5179 2N5179 2N5179 1854-0280 1854-0280
4544015 4544016 4544017 4544018 4544018	1854-0280 1854-0280 1853-0015 1854-0019 1854-0019	11 4	TSTR:SI NPN DUAL TSTR:SI NPN DUAL TSTR:SI PNP TSTR:SI NPN TSTR:SI NPN	28480 28480 80131 28480 28480	1854-0280 1854-0280 2N3640 1854-0019 1854-0019
4544020 4544021 4544022 4544023 4544023	1854-0215 1854-0215 1854-0009 1854-0009 1854-0009	6	TSTR:SI NPN TSTR:SI NPN TSTR:SI NPN TSTR:SI NPN TSTR:SI NPN	80131 80131 80131 80131 80131	2N3904 2N3904 2N709 2N709 2N709 2N709
4544025 4544026 4544027 4544028 4544028	1854-0009 1854-0009 1854-0009 1854-0073 1854-0073	2	TSTR:SI NPN TSTR:SI NPN TSTR:SI NPN TSTR:SI NPN(SELECTED FROM 2N2857) TSTR:SI NPN(SELECTED FROM 2N2857)	80131 80131 80131 28480 28480	2N709 2N709 2N709 1954-0073 1854-0073
4544030 4544031 4544033 4544033 4544035 4544035 4544036 4544036 4544038 4544039 4544039	1853-0015 1853-0015 1853-0015 1854-0215 1854-0215 1854-0215 1854-0215 1854-0215 1853-0015 1853-0015 0757-0398	4	TSTR:SI PNP TSTR:SI PNP TSTR:SI PNP TSTR:SI NPN TSTR:SI NPN TSTR:SI NPN TSTR:SI NPN TSTR:SI NPN TSTR:SI PNP TSTR:SI PNP R:FXD MET FLM 75 OHM 1% 1/8W	80131 80131 80131 80131 80131 80131 80131 80131 80131 28480	2N3640 2N3640 2N3640 2N3904 2N3904 2N3904 2N3904 2N3904 2N3640 2N3640 2N3640 0757-0398
A5A4R2 A5A4R3 A5A4R4 A5A4R5 A5A4R6	0698-4130 0757-0398 0684-1041 0757-0469 0684-1041	2 2	R:FXD COMP 39 DHM 5% 1/8W R:FXD MET FLM 75 DHM 1% 1/8W R:FXD COMP 100K OHM 10% 1/4W R:FXD FLM 150K DHM 1% 1/8W R:FXD COMP 100K OHM 10% 1/4W	28480 28480 01121 28480 01121	0698-4130 0757-0398 CB 1041 0757-0469 CS 1041

Page 94

Reference Designation	HP Part Number	Qty	Description	Mfr Code	Mfr Part Number

4544R7 4544R8 4544R9 4544R10 4544R11	0757-0469 0684-1041 0684-1221 0684-1041 0684-1221		R:FXD FLM 150K OHM 1% 1/8W R:FXD COMP 100K OHM 10% 1/4W R:FXD COMP 1.2K OHM 10% 1/4W R:FXD COMP 1.00K OHM 10% 1/4W R:FXD COMP 1.2K OHM 10% 1/4W	28460 01121 01121 01121 01121 01121	0757-0469 C6 1041 C8 1221 C8 1041 C8 1041 C3 1221
A5A4R12	0698-4130		R:FXD COMP 39 OHM 5% 1/8W	28480	0698-4130
A5A4R13	0684-1011		R:FXD COMP 100 OHM 10% 1/4W	01121	C8 1011
A5A4R14	0684-1011		R:FXD COMP 100 OHM 10% 1/4W	01121	C8 1011
A5A4R15	0757-0438		R:FXD MET FLM 5.11K OHM 1% 1/8W	28480	0757-0438
A5A4R16	0757-0438		R:FXD MET FLM 5.11K OHM 1% 1/8W	28480	0757-0438
4544R17	0757-0438	36	R:FXD MET FLM 5.11K OHM 1% 1/8W	28480	0757-0438
4544R18	0757-0438		R:FXD MET FLM 5.11K OHM 1% 1/8W	28480	0757-0438
4544R19	0684-3901		R:FXD COMP 39 OHM 10% 1/4W	01121	CB 3901
4544R20	0684-3901		R:FXD COMP 39 OHM 10% 1/4W	01121	CB 3901
4544R21	0684-3901		R:FXD COMP 39 OHM 10% 1/4W	01121	CB 3901
4544R22 4544R23 4544R24 4544R25 4544R25	0684-3901 0757-0346 0757-0430 0757-0430 0757-0346	6	R:FXD COMP 39 OHM 103 1/4W R:FXD MET FLM 10 OHM 13 1/8W R:FXD MET FLM 2.21K OHM 13 1/8W R:FXD MET FLM 2.21K OHM 13 1/8W R:FXD MET FLM 10 OHM 13 1/8W	01121 28480 28480 28480 28480 28480	CB 3901 0757-0346 0757-0430 0757-0430 0757-0346
A5A4R27	0757-0430	-4-1	R:FXD MET FLM 2.21K OHM 1% 1/8W	28480	0757-0430
A5A4R28	0757-0430		R:FXD MET FLM 2.21K OHM 1% 1/8W	28480	0757-0430
A5A4R29	0684-8201		R:FXD COMP 82 OHM 10% 1/4W	01121	C6 8201
A5A4R30	0684-8201		R:FXD COMP 82 OHM 10% 1/4W	01121	C8 8201
A5A4R31	0684-1041		R:FXD COMP 100K OHM 10% 1/4W	01121	C8 1041
A5A4R32	0684-8201		R:FXD COMP 82 OHM 10% 1/4W	01121	CB 8201
A5A4R33	0684-8201		R:FXD COMP 82 OHM 10% 1/4W	01121	CB 8201
A5A4R34	0698-3155		R:FXD MET FLM 4.64K OHM 1% 1/8W	28480	C698-3155
A5A4R35	0698-3155		R:FXD MET FLM 4.64K OHM 1% 1/8W	28480	C698-3155
A5A4R36	0698-3155		R:FXD MET FLM 4.64K OHM 1% 1/8W	28480	C698-3155
4544R37 4544R38 4544R39 4544R40 4544R41	0698-3155 0757-0284 0757-0284 0757-0388 0757-0388	2	R:FXD MET FLM 4.64K OHM 1% 1/8W R:FXD MET FLM 150 OHM 1% 1/8W R:FXD MET FLM 150 OHM 1% 1/8W R:FXD FLM 30.1 OHM 1% 1/8W R:FXD FLM 30.1 OHM 1% 1/8W	28480 28480 28480 28480 28480 28480	0698-3155 0757-0284 0757-0284 0757-0388 0757-0388
A5A4R42 A5A4R43 A5A4R44 A5A4R45 A5A4R46	0698-3434 2100-2574 0684-1001 0698-3434 2100-2574	2 3	R:FXD MET FLM 34.8 OHM 1X 1/8W R:VAR FLM 500 OHM 10% LIN 1/2W R:FXD COMP 10 OHM 10X 1/4W R:FXD MET FLM 34.8 OHM 1X 1/8W R:VAR FLM 500 OHM 10% LIN 1/2W	28480 28480 01121 28480 28480	0698-3434 2100-2574 C8 1001 0698-3434 2100-2574
A5A4R47 A5A4R48 A5A4R49 A5A4R50 A5A4R51	0684-1001 0684-1021 0684-1021 0684-1011 0684-1011		R:FXD COMP 10 DHM 10% 1/4W R:FXD COMP 1000 OHM 10% 1/4W R:FXD COMP 1000 OHM 10% 1/4W R:FXD COMP 100 OHM 10% 1/4W R:FXD COMP 100 OHM 10% 1/4W	01121 01121 01121 01121 01121	C8 1001 C8 1021 C8 1021 C8 1021 C8 1011 C8 1011
A5A4R52	0757-0438		R:FXD MET FLM 5.11K OHM 1% 1/8W	28480	0757-0438
A5A4R53	0757-0438		R:FXD MET FLM 5.11K OHM 1% 1/8W	28489	0757-0438
A5A4R54	0757-0284		R:FXD MET FLM 150 OHM 1% 1/8W	28489	0757-0284
A5A4R55	0684-2211		R:FXD COMP 220 OHM 10% 1/4W	01121	CB 2211
A5A4R55	0684-2211		R:FXD COMP 220 OHM 10% 1/4W	01121	CB 2211
4544857	0757-0392	1	R:FXD MET FLM 43.2 DHM 1% 1/8W	28480	0757-0392
4544858	C757-0440		R:FXD MET FLM 7.50K OHM 1% 1/8W	28480	0757-0440
A5A4R59	2100-2517	2	R:VAR CERMET 5K OHM 10% LIN 1/2W	28480	2100-2517
A5A4R60	0 757-0440		R:FXD MET FLM 7.50K OHM 1% 1/8W	28480	0757-0440
A5A4R61 A5A4R62 A5A4R63 A5A4R64 A5A4R65	0757-0440 2100-2517 0757-0440 0757-0421 0684-1021		R:FXD MET FLM 7.50K OHM 1% 1/8W R:VAR CERMET 5K OHM 10% LIN 1/2W R:FXD MET FLM 7.50K OHM 1% 1/8W R:FXD COMP 825 OHM 10% 1/4W R:FXD COMP 1000 OHM 10% 1/4W	28480 28480 28480 28480 28480 01121	0757-0440 2100-2517 0757-0440 0757-0421 CB 1021
A5A4R66	2100-1986	5	R:VAR CERMET 1000 DHM 10% LIN 1/2W	28480	2100-1986
A5A4R67	0684-1011		R:FXD COMP 100 DHM 10% 1/4W	01121	C8 1011
A5A4R68	0684-3901		R:FXD COMP 39 OHM 10% 1/4W	01121	C8 3901
A5A4R69	0757-0433		R:FXD MET FLM 3.32K OHM 1% 1/8W	28480	0757-0433
A5A4R70	2100-1986		R:VAR CERMET 1000 DHM 10% LIN 1/2W	28480	2100-1986
A5A4R71 A5A4R72 A5A4R73 A5A4R74 A5A4R75	0757-0433 0684-1021 0684-1021 0757-0421 0757-0408	3 2	R:FXD MET FLM 3.32K OHN 1% 1/8W R:FXD COMP 1000 OHM 10% 1/4W R:FXD COMP 1000 OHM 10% 1/4W R:FXD MET FLM 825 OHM 1% 1/8W R:FXD MET FLM 243 OHM 1% 1/8W	28480 01121 01121 28480 28480	0757-0433 C8 1021 C8 1021 0757-0421 0757-0408
A5A4R76	0757-0408		R:FXD MET FLM 243 OHM 1% 1/8W	28480	0757-0408
A5A4R77	0757-0421		R:FXD MET FLM 825 OHM 1% 1/8W	28480	0757-0421
A5A4R78	0684-3901		R:FXD COMP 39 OHM 10% 1/4W	01121	CB 3901
A5A4R79	0684-3901		R:FXD COMP 39 OHM 10% 1/4W	01121	CB 3901
A5A4R80	0684-3901		R:FXD MET FLM 150 OHM 1% 1/8W	28480	0757-0284

Page 95

Reference Designation	HP Part Number	Qty	Description	Mfr Code	Mfr Part Number

4544881 4544882 4544883 4544884 4544884 4544885	2100-1738 0757-0931 0684-2211 0684-2211 0684-1011	1	R:VAR FLM 10K DHM 10% LIN 1/2W R:FXD MET FLM 2K OHM 1% 1/8W R:FXD COMP 220 OHM 10% 1/4W R:FXD COMP 220 OHM 10% 1/4W R:FXD COMP 100 OHM 10% 1/4W	28480 28480 01121 01121 01121	2100-1738 0757-0931 CB 2211 CB 2211 CB 2211 CB 1011
4544886 4544887 4544888 4544888 4544889 4544890	0757-0451 0757-0451 0757-0398 0757-0399 0757-0398	2	R:FXD MET FLM 24.3K DHM 1% 1/8W R:FXD MET FLM 24.3K OHM 1% 1/8W R:FXD MET FLM 75 DHM 1% 1/8W R:FXD MET FLM 82.5 DHM 1% 1/8W R:FXD MET FLM 75 DHM 1% 1/8W	28480 28480 28480 28480 28480 28480	0757-0451 0757-0451 0757-0398 0757-0399 0757-0399
A544R91 A544R92 A544R93 A544R94 A544R94 A544R95	0757-0415 2100-2574 0757-0418 0757-0400 0757-0284	5	R:FXD MET FLM 475 OHM 1% 1/8W R:VAR FLM 500 OHM 10% LIN 1/2W R:FXD MET FLM 619 OHM 1% 1/8W R:FXD MET FLM 90.9 OHM 1% 1/8W R:FXD MET FLM 150 OHM 1% 1/8W	28480 28480 28480 28480 28480 28480	0757-0415 2100-2574 0757-0418 0757-0400 0757-0284
4544896 4544897 4544898 4544899 45448100	2100-2031 0757-0284 0757-0420 0757-0406 0757-0400	1	R:VAR MET FLM 50K OHM 10% 1/8W R:FXD MET FLM 150 OHM 1% 1/8W R:FXD MET FLM 750 OHM 1% 1/8W R:FXD MET FLM 182 OHM 1% 1/8W R:FXD MET FLM 90.9 OHM 1% 1/8W	28480 28480 28480 28480 28480 28480	2100-2031 0757-0284 0757-0420 0757-0406 0757-0400
A5A4R101 A5A4R102 A5A4R103 A5A4R104 A5A4R105	0757-0400 0684-4731 0684-2221 0684-4731 0684-3321	2	R:FXD MET FLM 90.9 OHM 1% 1/8W R:FXD COMP 47K OHM 10% 1/4W R:FXD COMP 2200 OHM 10% 1/4W R:FXD COMP 47K OHM 10% 1/4W R:FXD COMP 3300 OHM 10% 1/4W	28480 01121 01121 01121 01121	0757-0400 CB 4731 CB 2221 CB 4731 CB 3321
4544R106 4544R107 4544R108 4544R109 4544R110	0684-3321 0684-2221 0684-3901 0684-4721 0684-4721		R:FXD COMP 3300 OHM 10% 1/4W R:FXD COMP 2200 OHM 10% 1/4W R:FXD COMP 39 OHM 10% 1/4W R:FXD COMP 4700 OHM 10% 1/4W B:FXD COMP 4700 OHM 10% 1/4W	01121 01121 01121 01121 01121	C8 3321 C9 2221 C8 3901 C8 4721 C8 4721
4544R111 4544R112 4544R113 4544R114 4544R115	0757-0421 0757-0290 0684-3901 0684-1021	2	R:FXD MET FLM 825 DHM 1 % 1/8W R:FXD MET FLM 6.19K DHM 1 % 1/8W R:FXD COMP 39 DHM 10 % 1/4W R:FXD COMP 100D DHM 10 % 1/4W R:FXD COMP 100D DHM 10 % 1/4W	28480 28480 01121 01121 01121	0757-0421 0757-0290 C8 3901 C8 1021 C8 1021
A5A4R116 A5A4R117 A5A4R118 A5A4R119 A5A4R120	0757-0283 0684-5621 0684-5621 0684-3321 0684-1011	32	R:FXD MET FLM 2.00K OHM 1% 1/8W R:FXD COMP 5.6K OHM 10% 1/4W R:FXD COMP 5.6K OHM 10% 1/4W R:FXD COMP 300 OHM 10% 1/4W R:FXD COMP 100 OHM 10% 1/4W	28480 01121 01121 01121 01121	0757-0283 C8 5621 C8 5621 C8 3321 C8 1011
4544U1 4544U2 4544VR1 4544VR2 4544XU1	1820-0094 1820-0308 1902-3059 1902-3104 1200-0768	1 1 1 8	IC:DTL QUAD 2-INPUT NAND NOR GATE IC:DTL CLOCKED FF RL:6K DIODE BREAKDOWN:SILICON 3.83V 5% DIODE:BREAKDOWN 5.62V 5% SOCKET:INF6GRATED CIRCUIT 14 CONTACT	07263 07263 28480 04713 91506	U6A994659X U6A994559X 1902-3059 S210939-110 314-AG50-38
4544XU2 4545 4545C1 4545C2 4545C3	1200-0768 01707-66502 0160-3443 0160-3443 0160-2262	1	SOCKET:INTEGRATED CIRCUIT 14 CONTACT BOARD ASSY:VERTICAL DUTPUT C:FXD CER 0.1 UF +80-20% 50VDCW C:FXD CER 0.1 UF +80-20% 50VDCW C:FXD CER 16 PF 5% 500VDCW	91506 2P480 72982 72982 72982	314-AG5D-3R 01707-66502 8131-050-651-1042 8131-050-651-1042 301-000 CD60 160J
454504 454505 454506 454507 454507	0160-0157 0180-0376 0160-0157 0121-0166 0160-3443	3 1 2	C:FXD MY 4700 PF 10% 200VDCW C:FXD ELECT 0.47 UF 10% 35VDCW C:FXD MY 4700 PF 10% 200VDCW C:VAR AIR 2.4-245 PF 650VDCW C:FXD CER 0.1 UF +80-20% 50VDCW	56289 56289 56289 28480 72982	192P47292-PTS 1500474X9035A2-DYS 192P47292-PTS 0121-0166 8131-050-651-1042
A5A5C9 A5A5C10 A5A5C11 A5A5C12 A5A5C12	0150-0059 0150-0059 0140-0199 0121-0166 0160-3443	1	C:FXD CER 3.3 PF 500VDCW C:FXD CER 3.3 PF 500VDCW C:FXD MICA 240 PF 53 C:VAR AIR 2.4-24.5 PF 650VDCW C:FXD CER 0.1 UF +80-203 50VDCW	72982 72982 28480 28480 72982	301-000-C0JD-339C 301-000-C0JD-339C 0140-0199 0121-0166 8131-050-651-104Z
A5A5C14 A5A5C15 A5A5C16 A5A5L1 A5A5L2	0160-2263 0160-3443 0160-3443 9100-2276 9100-2276	1	C:FXD CER 18 PF 5% 500VDCW C:FXD CER 0.1 UF +80-20% 50VDCW C:FXD CER 0.1 UF +80-20% 50VDCW CDIL/CHOKE 100 UH 10% CDIL/CHOKE 100 UH 10%	72982 72982 72982 28480 28480	301-000-COGO-180H 8131-050-651-1042 8131-050-651-1042 9100-2276 9100-2276
4545L3 4545L4 4545Q1 4545Q2 4545Q3	9100-2254 9100-2254 1853-0218 1853-0218 1853-0218	2 4	COIL:FXD RF 0.39 UH 10% COIL:FXD RF 0.39 UH 10% TSTR:SI PNP TSTR:SI PNP TSTR:SI PNP TSTR:SI PNP	28480 28480 80131 80131 80131	9100-2254 9100-2254 2N2894 2N2894 2N2894 2N3906
454504 454505 454506 454507 454508	1853-0218 1853-0218 1854-0233 1854-0233 1854-0359	2 2	TSTR:SI PNP TSTR:SI PNP TSTR:SI NPN TSTR:SI NPN TSTR:SI NPN	80131 80131 80131 80131 28480	2N2894 2N2894 2N3866 2N3866 1854-0359

Page 96

Reference Designation	HP Part Number	Qty	Description	Mfr Code	Mfr Part Number

454509 4545R1 4545R2 4545R3 4545R4	1854-0359 0757-0400 0757-0400 0757-0400 0757-0400 0757-0420		TSTR:SI NPN R:FXD MET FLM 90.9 DHM 1% 1/8W R:FXD MET FLM 90.9 DHM 1% 1/8W R:FXD MET FLM 90.9 DHM 1% 1/8W R:FXD MET FLM 750 DHM 1% 1/8W	28480 28480 28480 28480 28480 28480	1854-0359 0757-0400 0757-0400 0757-0400 0757-0420
454585 454586 454587 454588 454588	0757-0290 0757-0420 0684-1001 0757-0410 0684-1001	3	R:FXD MET FLM 6.19K OHM 1% 1/8W R:FXD MET FLM 750 DHM 1% 1/8W R:FXD COMP 10 OHM 10% 1/4W R:FXD MET FLW 301 OHM 1% 1/8W R:FXD COMP 10 OHM 10% 1/4W	28480 28480 01121 28480 01121	0757-0290 0757-0420 CB 1001 0757-0410 CB 1001
4545R10 4545R11 4545R12 4545R13 4545R13	0757-0433 0757-0433 0757-0416 0757-0442 0684-3901		R:FXD MET FLM 3.32K OHM 1% 1/8W R:FXD MET FLM 3.32K OHM 1% 1/8W R:FXD MET FLM 511 OHM 1% 1/8W R:FXD MET FLM 10.0K OHM 1% 1/8W R:FXD COMP 39 OHM 10% 1/4W	28480 28480 28480 28480 28480 01121	0757-0433 0757-0433 0757-0416 0757-0442 CB 3901
A5A5R15 A5A5R16 A5A5R17 A5A5R18 A5A5R18	0698-3159 0757-0416 0684-1001 0757-0442 0684-1001		R:FXD MET FLM 26.1K OHM 1% 1/8W R:FXD MET FLM 511 OHM 1% 1/8W R:FXD COMP 10 OHM 10% 1/4W R:FXD MET FLM 10.0K OHM 13% 1/8W R:FXD COMP 10 OHM 10% 1/4W	28480 28480 01121 28480 01121	0698-3159 0757-0416 CB 1001 0757-0442 CB 1001
A5A5R20 A5A5R21 A5A5R22 A5A5R23 A5A5R23	0757-0411 0757-0420 0757-0420 0684-2201 0757-0802	1 2 2	R:FXD MET FLM 332 OHM 1% 1/8H R:FXD MET FLM 750 OHM 1% 1/8H R:FXD MET FLM 750 OHM 1% 1/8H R:FXD COMP 22 OHM 10% 1/4H R:FXD MET FLM 162 OHM 1% 1/2H	28489 28480 28480 01121 28480	0757-0411 0757-0420 0757-0420 CB 2201 0757-0802
A5A5R25 A5A5R26 A5A5R27 A5A5R28 A5A5R29	0757-0802 0684-2201 0698-3429 0698-3429 0757-0280	1	R:FXD MET FLM 162 OHM 1% 1/2W R:FXD COMP 22 OHM 10% 1/4W R:FXD MET FLM 19.6 OHM 1% 1/8W R:FXD MET FLM 19.6 OHM 1% 1/8W R:FXD MET FLM 1000 OHM 1% 1/8W	28480 01121 28480 28480 28480	0757-0802 C6 2201 0698-3429 0698-3429 0757-0280
4545830 4545831 4545832 4545833 4545833	2100-2061 0757-0401 0698-5563 0698-5563 0757-0814	2	R:VAR FLM 200 OHM 10% LIN 1/2W R:FXD MET FLM 100 OHM 1% 1/8W R:FXD CARBON 180 OHM 5% 1/8W R:FXD CARBON 180 OHM 5% 1/8W R:FXD MET FLM 511 OHM 1% 1/2W	28480 28480 28480 28480 28480 28480	2100-2061 0757-0401 0698-5563 0698-5563 0757-0814
A5A5R35 A5A5R36 A5A5R37 A6 A6DS1	0757-0814 0757-0814 0757-0814 01701-65802 1450-0709	1	R:FXD MET FLM 511 OHM 1% 1/2W R:FXD MET FLM 511 OHM 1% 1/2W R:FXD MET FLM 511 OHM 1% 1/2W MODULE ASSY:HORIZONTAL AMPLIFIER LIGHT:INDICATOR 90 VDC	28480 28480 28480 28480 28480 72765	0757-0814 0757-0814 0757-0814 01701-65802 6140-000-603
A6D52 A6MP1 A6MP2 A6MP3 A6MP4	1450-0709 01701-00609 01701-02301 01701-60601 01701-63704	1 1 1	LIGHT:INDICATOR 90 VDC SHIELD:HOLD-OFF KEEPER:PC BOARDS SHIELD ASSY:HORIZONTAL SHAFT ASSY:SWEEP TIME	72765 28480 28480 28480 28480	6140-000-603 01701-00609 01701-02301 01701-60801 01701-63704
A6MP5 A6MP6 A6MP7 A6R1 A6R2	01701-63703 0510-1036 01830-23201 2100-1841 2100-1841	1 1 1 2	SHAFT ASSY:PB EXTENDER COLLAR:PRECISION SST COUPLER:BAL SHAFT R:VAR 100K OHM 20% LIN 1/3W R:VAR 100K OHM 20% LIN 1/3W	28480 28480 28480 28480 28480 28480	01701-63703 0510-1036 01830-23201 2109-1841 2109-1841
46R3 46R4 46R5 46R5 46R7	2100-3014 2100-3009 2100-3009 2100-3006 2100-3015	1 2 1 1	R:VAR COMP DUAL 20K OHM 20% LIN R:VAR COMP 20K OHM 20% LIN R:VAR COMP 20K OHM 20% LIN R:VAR COMP 20K OHM 20% LIN 1/3W R:VAR COMP 200K OHM 20% 2/10W	28480 28480 28480 28480 28480 28480	2100-3014 2100-3009 2100-3009 2100-3006 2100-3015
46W1 46W2 46W3 4641 4641	01701-61606 01701-61610 01701-61604 01701-66512 0160-2204	1 1 1 1	CABLE ASSY:COAX CABLE ASSY:COAX CABLE:HORIZONTAL BOARD ASSY:HORIZONTAL MOTHER C:FXD MICA 100PF 5%	28480 28480 28480 28480 28480 72136	01701-61606 01701-61610 01701-61604 01701-65612 RDM15F101J3C
A6A1C2 A6A1C3 A6A1J1 A6A1J2 A6A1J3	0180-0094 0180-9094 1251-1626 1251-1626 1251-1626	2 6	C:FXD ELECT 100 UF +75-10% 25VDCW C:FXD ELECT 100 UF +75-10% 25VDCW CONNECTOR:PC (2 X 12) 24 CONTACT CONNECTOR:PC (2 X 12) 24 CONTACT CDNNECTOR:PC (2 X 12) 24 CONTACT	56289 56289 71785 71785 71785 71785	3001076025002-05M 3001076025002-05M 252-12-30-300 252-12-30-300 252-12-30-300
4641J4 4641J5 4641J6 464101 4641R1	1251-1626 1251-1626 1251-1626 1854-0087 0684-1041	1	CONNECTOR:PC (2 X 12) 24 CONTACT CONNECTOR:PC (2 X 12) 24 CONTACT CONNECTOR:PC (2 X 12) 24 CONTACT TSTR:SI NPN R:FXD COMP 100K DHM 10X 1/4W	71785 71785 71785 80131 01121	252-12-30-300 252-12-30-300 252-12-30-300 252-12-30-300 2N3417 CB 1041
4641R2 4641R3 4641R4 4641R5 4641R5	0684-1041 0684-6821 0757-0418 0757-0430 0757-0413	1 1	R:FXD COMP 100K OHM 10% 1/4W R:FXD COMP 6.8K OHM 10% 1/4W R:FXD MET FLM 619 OHM 1% 1/8W R:FXD MET FLM 2.21K OHM 1% 1/8W R:FXD MET FLM 392 OHM 1% 1/8W	01121 01121 28480 28480 28480	C8 1041 C8 6821 0757-0418 0757-0430 0757-0413

Page 97

Reference Designation	HP Part Number	Qty	Description	Mfr Code	Mfr Part Number

464187 464188 464189 464151 464152	0684-2221 0684-1041 0757-0407 3101-1399	1 1	R:FXD COMP 2200 OHM 10% 1/4W R:FXD COMP 100K OHM 10% 1/4M R:FXD MET FLM 200 OHM 1% 1/8W SWITCH:PUSHBUITON 2 POLE 4 STATION N.S.R. PART OF A6A1S1	01121 01121 28480 28480	CB 2221 CB 1041 0757-0407 3101-1399
464153 464154 464155 4642 4642C1	3101-1400 01701-66513 0170-0043	3 1	N.S.R. PART OF A6A1S1 SWITCH:PUSHBUTTON DPDT N.S.R. PART OF A6A1S1 BOARD ASSY:TRIGGER C:FXD MY 0.022UF 10% 400VDCW	71590 28480 24446	P8-1 01701-66513 64FDA223
A642C2 A642C3 A642C4 A642C5 A642C6	0160-2204 0140-0203 0180-0197 0160-3451 0160-3451	3	C:FXD MICA 100PF 5% C:FXD MICA 30 PF 5% C:FXD ELECT 2.2 UF 10% 20VDCW C:FXD CER 0.01 UF +80-20% 100VDCW C:FXD CER 0.01 UF +80-20% 100VDCW	72136 28480 56289 56289 56289	RDM15F101J3C 0140-0203 1500225x9020A2-DYS C0238101F103Z525-C0H C0238101F103Z525-C0H
A6A2C7 A6A2C8 A6A2C9 A6A2C10 A6A2C11	0160-3453 0160-3453 0160-3453 0160-3453 0160-3453		C:FXD CER 0.05 UF +80-20% 100VDCW C:FXD CER 0.05 UF +80-20% 100VDCW C:FXD CER 0.05 UF +80-20% 100VDCW C:FXD CER 0.05 UF +80-20% 100VDCW C:FXD CER 0.05 UF +80-20% 100VDCW	56289 56289 56289 56289 56289 56289	C023A101L503Z525-CDH C023A101L503Z525-CDH C023A101L503Z525-CDH C023A101L503Z525-CDH C023A101L503Z525-CDH
A6A2C12 A6A2C13 A6A2C14 A6A2C15 A6A2C16	0160-3453 0180-0197 0160-3453 0160-3453 0160-2012	1	C:FXD GER 0.05 UF +80-20% 100VDCW C:FXD ELECT 2.2 UF 10% 20VDCW C:FXD GER 0.05 UF +80-20% 100VDCW C:FXD GER 0.05 UF +80-20% 100VDCW	56289 56289 56289 56289 56289	C023A101L503ZS25-CDH 1500225X902CA2-DYS C023A101L503ZS25-CDH C023A101L503ZS25-CDH
4642CR1 4642CR2 4642CR3 4642CR4 4642CR5	1901-0040 1901-0040 1901-0040 1901-0040 1901-0040		DIODE:SILICON 30MA 30WV DIODE:SILICON 30MA 30WV DIODE:SILICON 30MA 30WV DIODE:SILICON 30MA 30WV DIODE:SILICON 30MA 30WV	07263 07263 07263 07263 07263	FDG1088 FDG1088 FDG1088 FDG1088 FDG1088
A6A2CR6 A6A2CR7 A6A2CR8 A6A2CR9 A6A2CR9	1901-0040 1901-0040 1901-0040 1901-0040 1855-0085	2	DIDDE:SILICON 30MA 30WV DIDDE:SILICON 30MA 30WV DIDDE:SILICON 30MA 30WV DIDDE:SILICON 30MA 30WV TSTR:FET (MATCHED PAIR)	07263 07263 07263 07263 28480	FDG1088 FDG1088 FDG1088 FDG1088 1855-9085
A6A2Q2 A6A2Q3 A6A2Q4 A6A2Q5 A6A2Q6	1855-0085 1854-0296 1854-0296 1854-0215 1854-0215	6	TSTR:FET (MATCHED PAIR) TSTR:SI NPN TSTR:SI NPN TSTR:SI NPN TSTR:SI NPN	28480 28480 28480 80131 80131	1855-0085 1854-0296 1854-0296 2N3904 2N3904
A6A207 A6A208 A6A209 A6A2010 A6A2011	1854-0296 1854-0296 1854-0296 1854-0296 1853-0015		TSTR:SI NPN TSTR:SI NPN TSTR:SI NPN TSTR:SI NPN TSTR:SI PNP	28480 28480 28480 28480 28480 80131	1854-0296 1854-0296 1854-0296 1854-0296 2N3640
A6A2012 A6A2013 A6A2014 A6A2015 A6A2016	1853-0015 1853-0015 1853-0015 1854-0215 1854-0215		TSTR:SI PNP TSTR:SI PNP TSTR:SI PNP TSTR:SI NPN TSTR:SI NPN	80131 80131 80131 80131 80131 80131	2N3640 2N3640 2N3640 2N3904 2N3904
4642017 4642018 4642019 4642020 4642021	1854-0215 1854-0215 1853-0036 1853-0036 1853-0036	8	TSTR:SI NPN TSTR:SI NPN TSTR:SI PNP TSTR:SI PNP TSTR:SI PNP	80131 80131 80131 80131 80131	2N3904 2N3904 2N3906 2N3906 2N3906 2N3906
A6A2022 A6A2023 A6A2024 A6A2025 A6A2026	1853-0036 1853-0036 1853-0036 1854-0215 1853-0049	4	TSTR:SI PNP TSTR:SI PNP TSTR:SI PNP TSTR:SI PNP TSTR:SI PNP	80131 80131 90131 80131 28480	2N39D6 2N39D6 2N39D6 2N39D6 2N39D4 1853-0049
A6A2Q27 A6A2Q28 A6A2R1 A6A2R2 A6A2R3	1853-0049 1853-0049 0684-1041 0757-0273 0757-0367	1	TSTR:SI PNP TSTR:SI PNP R:FXD COMP 100K OHM 10% 1/4W R:FXD MET FLM 3.01K OHM 1% 1/8W R:FXD MET FLM 100K OHM 1% 1/2W	28480 28480 01121 28480 28480	1853-0049 1853-0049 68 1041 0757-0273 0757-0367
A6A2R4 A6A2R5 A6A2R6 A6A2R7 A6A2R8	0757-0273 0757-0465 0757-0410 0757-0410 0757-0488	5	R:FXD MET FLM 3.DIK OHM 1% 1/8H R:FXD MET FLM 100K OHM 1% 1/8H R:FXD MET FLM 301 OHM 1% 1/8H R:FXD MET FLM 301 OHM 1% 1/8H R:FXD MET FLM 909K OHM 1% 1/8H	28480 28480 28480 28480 28480 28480	0757-0273 0757-0465 0757-0410 0757-0410 0757-0498
A6A2R9 A6A2R10 A6A2R12 A6A2R12 A6A2R13	0757-0442 0684-3901 0684-3901 0757-0442 0757-0442		R:FXD MET FLM 10.0K OHM 1% 1/8W R:FXD COMP 39 OHM 10% 1/4W R:FXD COMP 39 OHM 10% 1/4W R:FXD MET FLM 10.0K OHM 1% 1/8W R:FXD MET FLM 10.0K OHM 1% 1/8W	28480 01121 01121 28480 28480	0757-0442 CB 3901 CB 3901 0757-0442 0757-0442

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Reference Designation	HP Part Number	Qty	Description	Mfr Code	Mfr Part Number

A6A2R14 A6A2R15 A6A2R16 A6A2R17 A6A2R18	0684-3901 0684-3901 0684-3901 0684-3901 0684-391	2	R:FXD COMP 39 OHM 10% 1/4W R:FXD COMP 39 OHM 10% 1/4H R:FXD COMP 39 OHM 10% 1/4H R:FXD COMP 39 OHM 10% 1/4W R:FXD COMP 330 OHM 10% 1/4W	01121 01121 01121 01121 01121 01121	CB 3901 CB 3901 CB 3901 CB 3901 CB 3901 CB 3311
4642819 4642820 4642821 4642822 4642823	0684-3311 0684-3901 0684-3901 0684-1031 0684-1031		R:FXD COMP 330 DHM 10% 1/4W R:FXD COMP 39 OHM 10% 1/4W R:FXD COMP 39 OHM 10% 1/4W R:FXD COMP 39 OHM 10% 1/4W R:FXD COMP 10K OHM 10% 1/4W	01121 01121 01121 01121 01121 01121	CB 3311 CB 3901 CB 3901 CB 1031 CB 1031
4642824 4642825 4642826 4642827 4642828	0684-1031 0684-1031 0684-3901 0684-3901 0684-3901		R:FXD COMP 10K 0HM 10% 1/4W R:FXD COMP 10K 0HM 10% 1/4W R:FXD COMP 39 0HM 10% 1/4W R:FXD COMP 39 0HM 10% 1/4W R:FXD COMP 39 0HM 10% 1/4W	01121 01121 01121 01121 01121	CB 1031 CB 1031 CB 3901 CB 3901 CB 3901 CB 3901
A6A2R29 A6A2R30 A6A2R31 A6A2R32 A6A2R32 A6A2R33	0684-3901 0684-3901 0684-3901 0684-3321 0684-3321		R:FXD COMP 39 OHM 10% 1/4W R:FXD COMP 39 OHM 10% 1/4W R:FXD COMP 39 OHM 10% 1/4W R:FXD COMP 390 OHM 10% 1/4W R:FXD COMP 3300 OHM 10% 1/4W	01121 01121 01121 01121 01121 01121	CB 3901 CB 3901 CB 3901 CB 3321 CB 3321
A6A2R34 A6A2R35 A6A2R36 A6A2R37 A6A2R37	0757-0401 0757-0401 0757-0401 0757-0401 0684-2221		R:FXD MET FLM 100 0HM 1% 1/8W R:FXD MET FLM 100 0HM 1% 1/8W R:FXD MET FLM 100 0HM 1% 1/8W R:FXD MET FLM 100 0HM 1% 1/8W R:FXD COMP 2200 0HM 10% 1/4W	28480 28480 28480 28480 28480 01121	0757-0401 0757-0401 0757-0401 0757-0401 CB 2221
4642R39 4642R40 4642R41 4642R42 4642R43	0684-2221 0757-0401 0757-0401 0757-0401 0757-0401		R:FXD COMP 2200 OHM 10% 1/4W R:FXD MET FLM 100 OHM 1% 1/8W R:FXD MET FLM 100 OHM 1% 1/8W R:FXD MET FLM 100 OHM 1% 1/8W R:FXD MET FLM 100 OHM 1% 1/8W	01121 28480 28480 28480 28480 28480	CB 2221 0757-0401 0757-0401 0757-0401 0757-0401
A6A2R44 A6A2R45 A6A2R46 A6A2R46 A6A2R47 A6A2R48	0757-0429 2100-2216 0757-0429 2100-2216	2 2	R:FXD MET FLM 1.82K OHM 1% 1/8W R:VAR FLM 5K OHM 10% LIN 1/2W R:FXD MET FLM 1.82K OHM 1% 1/8W R:VAR FLM 5K OHM 10% LIN 1/2W NOT ASSIGNED	28480 28480 28480 28480	0757-0429 2100-2216 0757-0429 2109-2216
A6A2R49 A6A2R50 A6A2R51 A6A2R52 A6A2R52 A6A2R53	0684-2221 0684-2221 0757-0401 0684-1011		NOT ASSIGNED R:FXD COMP 2200 DHM 10% 1/4H R:FXD COMP 2200 DHM 10% 1/4H R:FXD MET FLH 100 DHM 1% 1/8H R:FXD COMP 100 DHM 10% 1/4H	01121 01121 28480 01121	C8 2221 C8 2221 0757-0401 C8 1011
4642854 4642855 4642856 4642857 4642858	0757-0401 0757-0401 0757-0401 0757-0438		R:FXD MET FLM 100 0HM 1% 1/8W NDT ASSIGNED R:FXD MET FLM 100 0HM 1% 1/8W R:FXD MET FLM 100 0HM 1% 1/8W R:FXD MET FLM 5.11K 0HM 1% 1/8W	28480 28480 28480 28480	0757-0401 0757-0401 0757-0401 0757-0438
4642859 4642860 4642861 4642862	0757-0438 0684-2231 0684-3341 0684-1531	1	R:FXD MET FLM 5.11K OHM 13 1/8W R:FXD COMP 22K OHM 103 1/4W R:FXD COMP 15K OHM 103 1/4W	28480 01121 01121	0757-0438 CB 2231 CB 1531 CB 1531
4642R64 4642R65 4642R65 4642R67 4642R67	0757-0465 0684-1031 0684-1001 0684-1001 0684-1031		R:FXD COMP 12:00 OHM 10% 1/4W R:FXD COMP 10% OHM 10% 1/4W R:FXD COMP 10 OHM 10% 1/4W R:FXD COMP 10 OHM 10% 1/4W R:FXD COMP 10 OHM 10% 1/4W	28480 01121 01121 01121 01121	0757-0465 CB 1031 CB 1001 CB 1001 CB 1031
A6A2R69 A6A251 A6A252 A6A253 A6A254	0684-3321 3101-1398	1	R:FXD COMP 3300 OHM 10% 1/4W SWITCH:PUSHBUTTON 2 POLE 5 STATION N.S.R. PART OF A6A251 N.S.R. PART OF A6A251 N.S.R. PART OF A6A251	01121 28480	CB 3321 3101-1398
464255 464256 464257 464201 464202	3101-1400 3101-1400 1820-0142	2	SWITCH: PUSHBUTTON DPDT SWITCH: PUSHBUTTON DPDT N.S.R. PART OF A6A2S1 INTEGRATED CIRCUIT: 4 INPUT, 2-OR/NOR INTEGRATED CIRCUIT: 4 INPUT, 2-OR/NOR	71590 71590 04713 04713	PB-1 PB-1 MC1004P MC1004P
A6A2XU1 A6A2XU2 A6A3 A6A3C1 A6A3C2	1200-0768 1200-0768 01701-66514 0180-0230 0180-0230	1	SOCKET: INTEGRATED CIRCUIT 14 CONTACT SOCKET: INTEGRATED CIRCUIT 14 CONTACT BOARD ASSY: INTEGRATOR C:FXD ELECT 1.0 UF 20% 50VDCW C:FXD ELECT 1.0 UF 20% 50VDCW	91506 91506 28480 56289 56289	314-4050-38 314-4050-38 01701-66514 1500105X005042-0YS 1500105X005042-DYS
A6A3C3 A6A3C4 A6A3C5 A6A3C6 A6A3C7	0180-0230 0180-0230 0160-3451 0160-3451 0160-3458	1	C:FXD ELECT 1.0 UF 20% 50VDCW C:FXD ELECT 1.0 UF 20% 50VDCW C:FXD CER 0.01 UF +80-20% 100VDCW C:FXD CER 0.01 UF +80-20% 100VDCW C:FXD CER 1000 PF 10% 1000VDCW	56289 56289 56289 56289 56289	1500105X015042+DYS 1500105X005042+DYS C0238101F103Z525+C0H C0238101F103Z525+C0H C0678251F102K525+C0H

Page 99

Reference Designation	HP Part Number	Qty	Description	Mfr Code	Mfr Part Number

4643C8 4643C9 4643C10 4643C11 4643CR1	0160-2264 0160-3451 0160-2257 0160-2257 1901-0040		C:FXD CER 20 PF 5% 500VDCW C:FXD CER 0.01 UF +80-20% 100VDCW C:FXD CER 10 PF 5% 500VDCW C:FXD CER 10 PF 5% 500VDCW DIODE:SILICON 30MA 30WV	72982 56289 72982 72982 07263	301-000-CD60-200J C0238101F1032S25-CDH 301-000-COH0-100J 301-000-COH0-100J FDG1088
A643LR2 A643CR3 A643CR4 A643CR5 A643CR5	1901-0040 1901-0040 1910-0030 1901-0040 1901-0040	ä.:	DIDDE:SILICON 30MA 30WV DIDDE:SILICON 30MA 30WV DIDDE:GERMANIUM 100 MA 0.65V DIDDE:SILICON 30MA 30WV DIDDE:SILICON 30MA 30WV	07263 07263 28480 07263 07263	FDG1088 FDG1088 1910-0030 FDG1088 FDG1088
4543CR7 4543CR8 4643CR9 4643CR9 4643CR10 4643CR11	1901-0040 1901-0040 1901-0040 1901-0040 1901-0040		DIDDE:SILICON 30MA 30WV DIDDE:SILICON 30MA 30WV DIDDE:SILICON 30MA 30WV DIDDE:SILICON 30MA 30WV DIDDE:SILICON 30MA 30WV	07263 07263 07263 07263 07263 07263	FDG1288 FDG1288 FDG1288 FDG1288 FDG1288 FDG1288
A6A3CR12 A6A3CR13 A6A301 A6A302 A6A303	1901-0040 1901-0040 1854-0092 1853-0036 1854-0092	٠	DIDDE:SILICON 30MA 30WV DIDDE:SILICON 30MA 30WV TSTR:SI NPN TSTR:SI PNP TSTR:SI NPN	07263 07263 80131 80131 80131	FDG1088 FDG1088 2N3563 2N3906 2N3563
464304 464305 464306 464307 464308	1854-0092 1853-0036 1853-0276 1855-0057 1854-0215	1	TSTR:SI NPN TSTR:SI PNP TSTR:SI FET N-CHANNEL TSTR:SI NPN	80131 80131 28480 28480 80131	2N3563 2N3906 1853-0276 1855-0057 2N3904
464309 464381 464382 464383 464384	1854-0215 0684-3901 0684-3901 0684-3901 0684-3901	-	TSTR:SI NPN R:FXD COMP 39 DHM 10% 1/4W R:FXD COMP 39 DHM 10% 1/4W R:FXD COMP 39 DHM 10% 1/4W R:FXD COMP 39 DHM 10% 1/4W	80131 01121 01121 01121 01121	2N3904 CB 3901 CB 3901 CB 3901 CB 3901 CB 3901
A6A3R5 A6A3R6 A6A3R7 A6A3R8 A6A3R9	0684-1221 0684-1221 0684-1031 0684-2231 0757-0446	2	R:FXD COMP 1.2K OHM 10% 1/4W R:FXD COMP 1.2K OHM 10% 1/4W R:FXD COMP 10K OHM 10% 1/4W R:FXD COMP 22K OHM 10% 1/4W R:FXD MET FLM 15.0K OHM 1% 1/6W	01121 01121 01121 01121 28480	CB 1221 CB 1221 CB 1031 CB 2231 0757-0446
A6A3R10 A6A3R11 A6A3R12 A6A3R13 A6A3R14	0684-1021 0684-1011 0684-1011 0684-2231 0684-1221		R:FXD COMP 1000 OHM 10% 1/4W R:FXD COMP 100 OHM 10% 1/4W R:FXD COMP 100 OHM 10% 1/4W R:FXD COMP 22K OHM 10% 1/4W R:FXD COMP 2.2K OHM 10% 1/4W	01121 01121 01121 01121 01121	C8 1021 C6 1011 C8 1011 C8 2231 C6 1221
A6A3R15 A6A3R16 A6A3R17 A6A3R18 A6A3R18	0684-1011 0684-1031 0684-2211 0684-3901 0684-1031		R:FXD COMP 100 OHM 10% 1/4W R:FXD COMP 10K OHM 10% 1/4W R:FXD COMP 220 OHM 10% 1/4W R:FXD COMP 39 OHM 10% 1/4W R:FXD COMP 10K OHM 10% 1/4W	01121 01121 01121 01121 01121	CB 1011 CB 1031 CB 2211 CB 3901 CB 1031
A6A3R20 A6A3U1 A6A3XU1 A6A4 A6A5	0684-1011 1820-0068 1200-0768 01701-66515	2	R:FXD COMP 100 OHM 10% 1/4W IC:TTL TRIPLE 3-INPUT POS NAND GATE SOCKET:INTEGRATED CIRCUIT 14 CONTACT SAME AS A6A3, USE PREFIX A6A4. BOARD ASSY:SWEEP TIME	01121 12040 91506 28480	C8 1011 SN7410N 314-AG50-3P 01701-66515
A6A5C1 A6A5C2 A6A5C3 A6A5C4 A6A5C5	0160-3324 0160-3451 0140-0193 0160-3451 0160-3541	1 1 1	C:FXD POLY 1 UF 5% 100VDCW C:FXD CER 0.01 UF +80-20% 100VDCW C:FXD MICA 82 PF 5% C:FXD CER 0.01 UF +80-20% 100VDCW C:FXD POLY 0.01 UF 5% 100VDCW	84411 56289 28480 56289 84411	HEW-132 C0239101F103Z525-COH 0140-0193 C0238101F103Z525-COH HEW-192
4645MP1	0510-1101	3	SPRING:RETAINER(PC_SWITCH)	28480	2510-1121
4645MP2 4645MP3	1460-1148 01840-22502	3	SPRING: TORSION ROLLER: DETENT	00000 28480	DBD 01849-22502
464501 464502 464503 464581 464582	1854-0221 1853-0086 1853-0049 0757-0156 0757-0779	1 1 4 4	TSTR:SI NPN(REPL.BY 2N4044) TSTR:SI PNP TSTR:SI PNP R:FXD MET FLM 1.5 MEGDHM 1% 1/2W R:FXD MET FLM 150K OHM 1% 1/4W	28480 80131 28480 28480 28480 28480	1854-0221 285087 1853-0049 0757-0156 0757-0779
4645R3 4645R4 4645R5 4645R6 4645R7	0757-0156 0757-0779 0757-0156 0757-0779 0687-1231	1	R:FXD MET FLM 1.5 MEGDHM 1% 1/2H R:FXD MET FLM 150K OHM 1% 1/4W R:FXD MET FLM 1.5 MEGOHM 1% 1/2W R:FXD MET FLM 150K OHM 1% 1/4H R:FXD COMP 12K OHM 10% 1/2W	28480 28480 28480 28480 28480 01121	0757-0156 0757-0779 0757-0156 0757-0779 E8 1231
464588 464589 4645810 4645811 4645812	0757-0156 0757-0779 0757-0465 0757-0460 0757-0462	1 1	R:FXD MET FLM 1.5 MEGDHM 1% 1/2W R:FXD MET FLM 150K OHM 1% 1/4W R:FXD MET FLM 100K OHM 1% 1/8W R:FXD MET FLM 61.9K OHM 1% 1/8W R:FXD MET FLM 75.0K OHM 1% 1/8W	28480 28480 28480 28480 28480 28480	0757-0156 0757-0779 0757-0465 0757-0460 0757-0462

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Reference Designation	HP Part Number	Qty	Description	Mfr Code	Mfr Part Number

40435813 4645814 4645815 4645816 4645818 A64581MP1 A64581MP2 4645 4647 4647 4647 4647 4647 4647 4647	2100-1762 2100-1762 2100-1762 2100-1762 0684-1541 (684-1041 3130-0355 3130-0355 3130-0354 01701-66516 0160-3451 0180-0230 0180-0197 0160-3451 0160-0291 0160-2291	1 1 1	R:VAR WW 20K 5% 1W R:VAR WW 20K 5% 1W R:VAR WW 20K 5% 1W R:VAR WW 20K 5% 1W R:VAR WW 20K 5% 1W R:FXD COMP 150K OHM 10% 1/4W ROTOR ASSY:FEMALE ROTOR ASSY:FEMALE SAME AS A6A5, USE PREFIX A6A6. HOLDOFF COMP ASSY C:FXD CER 0.01 UF +80-20% 100V0CH C:FXD ELECT 1.0 UF 20% 50VDCW C:FXD CER 0.01 UF +80-20% 100V0CH C:FXD ELECT 1.0 UF 10% 20V0CH C:FXD CER 0.01 UF +80-20% 100V0CH C:FXD MY0.01 UF 10% 20V0CH C:FXD MY0.01 UF 10% 35VDCM C:FXD MICA 100PF 5%	75042 75042 75042 75042 01121 01121 28480 28480 56289 56289 56289 56289 56289 56289 56289 56289	CT-106-4 CT-106-4 CT-106-4 CT-106-4 CB 1041 3130-0355 3130-0354 C1701-66516 C02381c1F1032525-C0H 1500105X005042-0YS C02381c1F1032525-C0H 192P10392-PTS 1500105X9035A2-0YS RDM15F101J3C
464708 464709 4647081 4647082 4647083	0140-0203 0140-0203 1901-0040 1901-0040 1901-0040		C:FXD MICA 30 PF 5% C:FXD MICA 30 PF 5% DIDDE:SILICON 30MA 30WV DIDDE:SILICON 30MA 30WV DIDDE:SILICON 30MA 30WV	28480 28480 07263 07263 07263	0140-0203 0140-0203 FDG1088 FDG1088 FDG1088
4647CR4 4647CR5 4647CR6 4647CR7 4647CR7	1901-0040 1901-0040 1901-0040 1901-0040 0510-1101		DIODE:SILICON 30MA 30NV DIODE:SILICON 30MA 30NV DIODE:SILICON 30MA 30NV DIODE:SILICON 30MA 30NV SPRING:RETAINER(PC SWITCH)	07263 07263 07263 07263 07263 28480	FDG1088 FDG1088 FDG1088 FDG1088 0510-1101
A6A7MP2 A6A7MP3 A6A701 A6A702 A6A703	1460-1148 01840-22502 1854-0215 1853-0203 1853-0203	z	SPRING:TORSION ROLLER:DETENT TSTR:SI NPN TSTR:SI PNP TSTR:SI PNP	00000 28480 80131 28480 28480	080 01840-22502 2N3904 1853-0203 1853-0203
464704 464705 464706 464707 464781	1853-0036 1853-0036 1854-0092 1853-0036 0684-2211		TSTR:SI PNP TSTR:SI PNP TSTR:SI NPN TSTR:SI PNP R:FXD COMP 220 OHM 10% 1/4W	80131 80131 80131 80131 01121	2N3906 2N3906 2N3563 2N3506 CB 2211
464782 464783 464784 464785 464785	0684-2211 0684-1011 0684-3901 0684-2231 0684-1011		R:FXD COMP 220 OHM 103 1/4W R:FXD COMP 100 OHM 103 1/4W R:FXD COMP 39 OHM 103 1/4W R:FXD COMP 22K OHM 103 1/4W R:FXD COMP 100 OHM 103 1/4W	01121 01121 01121 01121 01121 01121	CB 2211 CB 1011 CB 3901 CB 2231 CB 1011
A647R7 A647R8 A647R9 A647R10 A647R11	0684-1221 C684-2211 0684-1011 0684-1011 0684-1831	1	R:FXD COMP 1.2K OHM 10% 1/4W R:FXD COMP 220 OHM 10% 1/4W R:FXD COMP 100 OHM 10% 1/4W R:FXD COMP 100 OHM 10% 1/4W R:FXD COMP 18K OHM 10% 1/4W	01121 01121 01121 01121 01121 01121	C6 1221 C8 2211 C8 1011 C8 1011 C8 1011 C8 1831
A647R12 A647R13 A647R14 A647R15 A647R16	0684-2221 0757-0465 0684-1011 0684-2231 0684-1021		R:FXD COMP 2200 OHM 10% 1/4W R:FXD MET FLM 100K OHM 1% 1/8W R:FXD COMP 100 OHM 10% 1/4W R:FXD COMP 22K OHM 10% 1/4W R:FXD COMP 1000 OHM 10% 1/4W	01121 28480 01121 01121 01121	CB 2221 C757-C465 CB 1011 CB 2231 CB 1021
A6A7S1MP1 A6A7S1MP2 A647U1 A647U1 A648	3130-0352 3130-0353 1820-0068 1200-0768 01701-66517	1 1 1	ROTOR ASSY:FEMALE ROTOR ASSY:MALE IC:TTL TRIPLE 3-INPUT POS NAND GATE SOCKET:INTEGRATED CIRCUIT 14 CONTACT BOARD ASSY:HORIZONTAL MODULE	28480 28480 12040 91506 28480	3130-0352 3130-0353 SN7410N 314-AG5D-3R 01701-66517
A6A8C1 A6A8C2 A6A8C3 A6A8CR1 A6A8CR2	0160-3451 0180-0230 0160-2204 1901-0040 1901-0040		C:FXD CER 0.01 UF +80-20% 100VDCW C:FXD ELECT 1.0 UF 20% 50VDCW C:FXD MICA 100PF 5% DIODE:SILICON 30MA 30WV DIODE:SILICON 30MA 30WV	56289 56289 72136 07263 07263	CC23B101F103ZS25-CDH 150D105X0050A2-DYS RDM15F101J3C FDG1088 FDG1088
A6A8CR3 A6A8MP1 A6A8MP2 A6A8MP3 A6A8R1	1901-0040 1460-1148 01840-22502 0510-1101 0757-0456	1	DIODE:SILICON 30MA 30WV SPRING:TORSION ROLLER:DETENT SPRING:RETAINER(PC SWITCH) R:FXD MET FLM 43.2K DHM 1% 1/8W	07263 00000 28480 28480 28480 28480	F0G1088 080 01840-22502 0510-1101 0757-0456
A6A8K2 A6A8S1MP1 A6A8S1MP2 A6A9 A6A9C1	0757-0793 3130-0351 3130-0350 01701-66535 0160-3453	1 1 1	R:FXD MET FLM 2000 OHM 1% 1/8 H ROTOR ASSY:MALE ROTOR ASSY:FEMALE BOARD ASSY:HORIZONTAL PRE-AMPLIFIER C:FXD CER 0.05 UF +80-20% 100VDCW	28480 28480 28480 28480 56289	n 757-0739 3130-0351 3130-0350 01701-66535 C023A101L5032S25-CDH
464902 464903 464904 464905 464905	0160-3453 0160-3453 0160-3453 0160-3453 0160-3453 0180-0230		C:FXD CER 0.05 UF +80-20% 100VDCW C:FXD CER 0.05 UF +80-20% 100VDCW C:FXD CER 0.05 UF +80-20% 100VDCW C:FXD CER 0.05 UF +80-20% 100VDCW C:FXD ELECT 1.0 UF 20% 50VDCW	56289 56289 56289 56289 56289	C023A101L503ZS25-CDH C023A101L503ZS25-CDH C023A101L503ZS25-CDH C023A101L503ZS25-CDH 150D105X0050A2-DYS