EIP 545A, 548A User Manual

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Models

545A

&

548A

Microwave

EIP Microwave, I

2731

North

Manual Part Number 5580033-00 Printed

in

U.S.

A.

November 1987

First

nc.

Strtttlt, Slln Jose. CA

Frequency

95134

Counters

TEL:

(408)433

TWX:

910-338-0155

545A. 548A .

-5900

CCN CCN

2209 2309

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5580033

Printing

History

New editions incorporate all update material since the previous edition. The date title

page

changes

are

incorporated, the manual

only

when a

is

neVv

edition is published. If

minor

corrections and updates

reprinted but the date and edition number on the

title

do not change.

FIRST

EDITION

SECOND

THIRD

FOURTH

FIFTH SIXTH SEVENTH

EIGHTH

EDITION....

EDITION

EDITION •....•.....

EDITION

....................

. . ......

EDITION

...................

April,

..................

. . . . . . . . . . . . . . August 1985

..........

.........

. ....

.

....

.......

....•.

.

.....••.

April, 1983

. . August 1986

. October 1986

...

January 1987

June

November 1987

1981

1987

on

the

page

IIi

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5580033

Certification

EIP Microwave certifies found

factory

EIP Microwave warrants this counter for level,

warranty period, provided the entire co

to

be

in conformance

.

one year from the date

is

not

covered inspection label, marking, replace

service will expressed

at

its

option

facility. In-warranty counters

be

returned freight

or

implied.

that

this

instrument

with

the specifications noted herein at

of

delivery. Damage due

by

the warranty. Removal, defacement,

or

seal

, may void the warranty. EIP Microwave

, a

ny

components

will

COLLECT.

No

was

thoroughly

to

be

free

from

defects in material and workmanship

to

accident,

of

this counter which prove

unt

er

is

returned PREPAID

be

returned freight prepaid;

other

warranty

other

inspected and tested, and

time

of

shipment

Warranty

abuse, or

or

alteration,

to

be defective during the

to

than the above warranty

improper signal

of

will

EIP

or

an authorized

out-of

-warranty

any serial

repair

from

or or

units

is

IV

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5580033

Table of Contents

Section 1,

Section

Secti

Section 5. Mainten

Gener

al

Infor

matio

n Sec

DescriiJtion Specifications

2, Installat ion Safety I

nstallation Counter Identification Shipping Performan

3,

Front

Display . . . . . . . . . . . . . . . . . . . . . . . . . . 3·1

Operating Power Meter/DAC

Signal I Rear Keyb

Units . .

Clear (Data/Display) B

and Resolut Display Mu

ltiply

Fr

equency

Test

Selection Set-Up for Frequ Display

on

4,

General Basic Band 2

Band 3 Converter . . . . . . . . . . . . . . . . . . . . . . 4· 7

Converter Convert Operation

Maintenance

Fuse Periodic

Serv1ce

Disassembly Repair,

Reassembly by Assembly

Factory ...........

Field

..........................

........

..................................

..........................

and

Storage ....................

ce

Checkout Proce

Operation

Panel

Contro

ls and I

Status

nput ... Panel Controls oard

........................

....

Selection . . . . . . . . . . . . . . . . . . . . . . . .

ion/Gate

and

Function .....................

ency

Er

Theory

.......

Counter ........................

Converter .......

Replacement

. . . . . . . . . . . . . . . . . . . . . . . . . . . .

...

Time

Data

Entry

Limits

.............

.......................

Basic F requencY"Measurement . . . . . 3-

Offsets

ror

Messages

of

Oper

..

Control A1

er

A203

...............

ance and Servi

....

..................

Maintenance

. . .

..................

.

...............

................

dure

......

ndicators

....................

Option

...

and

.................

Selection

Sequence

....................

.....

atio

..........

. .

..................

..............

......................

Replacement

..

.....

......

Connectors .........

..............

n

08

..............

...........

............

.....

.

.....

.

............

...............

ce

..............

and

.

......

.

.......

.

.....

. . .

.....

......

.....

....

.

........ 4·9

........

..

........ 5-1

....

......

PAGE

.

..

....

.

... 3-1

_

..

.

... ... 3-5

. . 4-2

.....

.

..

...

1-1 1-2

2·1 2-2

2·2 2·2 2-2

3-2 3-2 3-3

. 3-4

3-5 3-5

3-6 3-7 3-8

3-9 3-10 3-

11 13

3·

13

3-14

. 4·1

4

-L

4-7 4-7

5·1

5-1

5·2 5·2

. 5-7

5-8

tion

6, Troubleshooting

Signature

Se

lf Diagnosti Keyboard Tests

Significant Addresses, 1/0 Ports . . . . . . . . . . . . 6-8

Signif Troubleshooting Test

Section

Gener

Power

YIG DAC Calibration Process

Time Ba T

emperature

Osc TCXO Disp l

ection

S

Gen

Variable Required Test Band 1 Band 2 ... Band 3

Section 9,

Illustrated Part

Ref

Assembly L 545A/548A Microwave

Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . 9-3

545/548

A 1 A101 A 1

Ana

lysis . . . .

Free

Running

Program

icant

Equipment

7, A

YIG

ill

ay Intensity

8, Performance Tests

eral . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8·1

erence

00 Cou

05

Controlled

cs .........

Controlled

..............................

Addresses, RAM

Tre Requir

djustm

enu a

al

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 ·1

Supp

ly

Adjustments

DAC

Correction

se

Calibration

Compensated

ator

(TCXO)

Calibration

Li

.......

Functional Desc ript ion and

Designations

Overall Block Diagram

nter Int

Power

Mic

roproc

. . . . . . . . . . . . . . . . . . . . . 7-6

......

ne

Voltage

Equipment

.....

s Br

eakdown

ocations

erconnect

Supply

essor . . . . . . . . . . . . . . . . . 1 05·1

..........

......................

...............

. .

Circuit

Tests

....

es

..........

ed

.........

nd

Calibrations

.........

..............

Table

....

.. ..

. .... . .

Crystal

.....................

.

.........

...

. . .

.......

.

...................

..

.........

..........

and

Abbreviati

and

Cab

le

Connections ...

Counter Top

. . . . . . . . . . . . . 1 00·1

.....

...

......

....

......

.

..

. .

.......

...........

. .......•

.

...

ons

Assembly

.............

.........

.

......

.....

. . . . 6-10

...

.. ..

......

.

...

....

.....

....

..

.....

PAGE

6-1

6·1 . . . 6-3 ...

6·3

..

6-4

6-6

6-11 6-11

..

. 7· 1

.

..

7-3

...

. 7-3

. 7-5

7-5

. 7-6

..

8·1

8-1

..

8·1

..

8-2 8·2

9·1

. 9·1

..

9·2

9-5

. 101 -1

v

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5580033

Section

Section Option

Option

9,

(Continued)

A106

Count

Chain A 107 Gate A 1

08

A 109 Band 2 Converter . . . . . . . . . . . . . . . . 1 09· 1

A 1

10 A111 A203

10,

01,

02,

03,

04,

05

06,

Option

07,

Generator

Converter Control . . . . . . . . . . . . . . .

Front

Panel Display

Front

Panel Logic ....

Microwave Converter

Options Digital -to-Analog Converter (DAC) 01 ·1

Specifications . Operation Theory Calibration Troubleshooting

DAC

Signatures ......

List

Parts Power Measurement

Specifications . . . . . . . . . . . . . . . . . . 02-1

Operation Theory Calibration

Time Base Oscillators

Oven Oscillator Power

Oven Oscillator Calibration

Extended

Specifications . . . . . . . . . . . . . . . . . . 06-1

Op

eration

Theory

Locking Process

Initialization . . . . . . . . . . . . . . . . . . . 06-3

VCO Sweep . . . . . . . . . . . . . . . . . . . . 06-3

Centeri ng

Performance

Remote

Specifications . . . . . . . . . . . . . . . . . . 07-1

Operation ...

BCD Re

mote

Control Line Functions . . . . . . . . . 07-2

Data Line Program

. . . . . . . . . . . . . . . . . 107-1

and

Keyboard . . . . 1 10-1

............

.............

.......

..............

of

Operation .....

...........

...............

....

..

...

. . . . . . . . . . . . . . . . . . . . . 02·1

of

Operation

.....

,

Frequency

.........

of

Operation

of

Operation-

...

. .

Tests

Programming

................•.

Output

...

Programming . . .

Functions

Line

Functions

....

......

.. ..... 01·1

.....

......

...........

.....

.............

..........

........

......

Supply

.......

Capability

.....

- Hardware ....

Software

, . . . . . . . . . . . . . . . .

....

, . . . . . . • . . . . 06-4

..........

/BeD

Output

.....

...

....

. . .

.. ..

....

..

....

.

...

. . . . . 03/4/5-3

...... 06-1

....

.....

....

........

......

. . . . . . . . . 07-3

Table

PAGE

106-1

108

-1

111·1 203-1

01·1

01 -2

.

..

01·6

. . 01-7

01-8

01 ·9

. 02-1

02

·2

02

·6

03

/4/5·

1

03/4/5-4

. . . 06-1

.. 06-2

.. 06-3

06·3

06-6

07

-1

07

·1

. 0

7-1

.. 07-2

of

contents,

Section

Option 08, General

Option

Option Option

Appendix

10,

(Continued)

Data

Entry

Data Examples . . . . . . . . . . . . . . . . . . 07-4

Remote

Theory Part

s List . . . . . . . . . . . . . . . . . . . . . 07-9

GPIB

Functions Implemented

Setting

Device GPIB

Instruction Formal Program Available

Data

Output

Program Examples

Reading Measur

Allowable Address Codes .........

Parts List

09,

Rear I

010,

Chassis Slides

13, Mate-CIIL Interface . 14,

0.1 Hz Resolution .

A, Accessories .

Furnished Accessories Pur

chased Accessories .

Remote

Service Kit

New

Oth

Sensor Option

B.

List

C, Memory Address Ch

Error

Messages. . . . . . . . . . . . . . . . . . . . . . . . C2

er New

Features

continued

. . . . . . . . . . . . . . . . . . . . 07-4

Programming Pin

of

Operation

Purpose

Address

Dependent

Definition

Code

Commands

nput

....•...........

of Manuf

Int

Switch .....

Data In

Format .....

of Instructions

Set

. . . . . . . . . . . . . . . . . 08-4

Format

ement

................•.•...

. . . . . . . . . . . . . . . . . . . . 09-1

....

..........

.....

....

actu

. . . . . . . . . . . . . . . . . . . . . . C2

Connecti

. . . . . . . . . . . . . . 07-6

erface Bus (GPIB)

.........

..

put

.....

..

. . . . . . . • . . . . . . • 08-6

....

..

....

.......

...

................

.......•.

...

rers

anges.

• ...••...

........•..

. .

.........

........

.........

....... .. .....

.....

... ...

...

. . .

...

..

........

. . . . . . . . . . . .

ons

.. 07-5

.•. 08-1

......

.... 08

...

..

. . . .

.. 08-3

. . , . 00·

... 08·

• . . 08-

....

. . •

....

.....

......

PAGE

08-1 08

·1

·2

08-2

10

08-1 1

12 13

0

8·

1 5

010-1

013

-1

014-1

A·

1

• A· 1

. A-1

A· 1

.. A-2

..

B-1

C1

VI

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5580033

Figure

3-1 3-2 3-3 3-4

4-1 4-2

4-3 4-4 4-5 4-6 4-7 4-8 4-9 4-10 4-11

5-1

6-1

6-2

6-3

6-4

6-5

6-6

6-7 6-8

6-9

6-

10

6-11 6-

12

6-13

14

66-

15

6-

16

6-

17

Numb

er

Front

Panel, Model

Front

Panel, Model

Rear

Panel ......................

Keyboa

rd

....

Cou

nter

Blo

ck Diagram, Simplified ...

Band 2 Converter

Simplified Band 2 Converter Band 2 Operating Band

3 Conve Band 3 Operation, Band3SearchforSignal Determin

YIG Centering ........

Calculate N

Band

Counter

Microprocessor

Self Diagnostic

Keyboard

Keyboard Converter

e Largest Signal ...

and

3 Signal

Assemb

Configuration

H

exadecima

Test

Ramp

545A

. .........

548A

............

.......

Block Diagram,

.............

Operation

Ranges

rter

, Simpli fied . .......

Simplified .........

VCO

Tracking ............

ly

Locations

Free Error Indications

l In

puts ....

Signatures ......

Test

.. ..

......

............

...........

..

Frequ

ency

Running Signatures

for Tests Requiring

Signatures

.

....

........

...

......

.......

......

.......

......

..... . 6-5

1/0 Addresses . . . . . . . . . . . . . . . . . . 6-8

RAM Fr RAM Troubleshooting Main Program Inoperative Keyboard Band 200 Band2

Band 3 ....................

Power Meter

equency

Power

Troubleshooting Tree

1 . . . . . . . . . . . . . . . . . . . . . . .

MHz

Test ........

..........

Storage .....

Storage

Test

..

. .

....

& P

owe

.............

Equip

. Required

..........

...

...........

.............

..........

....•...

r Meter

Zero

......

...

DAC . . 6-

....

...

.

Page

. . 3-1

3-3 3-4

. 3-5

..

4-1

4-3 4-4 4-5

. 4-6

4-8

4-

10

. 4-1 1

4-12 4-13 4-

14

5-9

. . 6 -2

6-3

6-4

. 6-6

6-

10

.

6-10

.. 6-11

6-12 6-13 6-

14 6-15 6-16

. . 6-

16

..

6-17

20

igure

F

10

5-1

10

5-2

10

5-:J

10

6-1

10

6-2

106-3

107-1 10

7-2

10

7-3

10

7-4

108-1 108

-2

108-3 108

-4

,

0-1

110-2

111-1 111-2 11

1-3

111-4

203-1

List

Micr Microprocessor Microprocessor Schematic

Count Chain Count Co

G

ate

G

ate Gate Gate Generator

Conv Program

Conve Conv

Ba

Band 2

Band 2 Converter

Front Panel Disp lay

Front

Memory Update

Front Panel Front Front Panel Logic

B

of

Illustrations

oprocessor

Chain

unt

Chain Schem

Generator Generator Generator

erter Control

Div

ider

rter Cont

erter

nd 2 Converter

Keyboard

Pane

and

Panel Logic

and

3 Microwave

Block Diagram . • . . . . . . • . • • •

Block Diagram . . . . . 1 05·2

Component Locator.

........

Block Diagram . . • • • . . 106·2 Component Loca

atiC . . . . . • . • . • 106-7

Timin

g Diagram . . Block Diagram Component

Schematic

mab

le

Frequ

Diagram ..•.

rol

Control

Converter

Component

l Display

Keyboa

rd

logic

Block Diag

Componen Schematic

Blo Componen SchematiC

Schematic

Mode

Block Diagram Component Locator Schematic

...•.

enc

y

•......•.

ck

Diagram

and

Locator

Sequence ....

Converter

. 1 05·5

tor

. . . 1 06·6

..

...•.

Locat

or

•..

ram

.••

t Lo

cator

. , •••.

....

t L

oca

tor 1 09-

. . • . . . 1 09-

. . • 1 10-4

. . . . • . 1 1 0·5

...

. • . . . . 1 1 1· 7

Page

105·7

10

7-3

10

7-4

10

7-8

10

7-9

108

·1

10

8·2

10

8-8

10

8·9

10

9-4

10 11

11 1 11 1·3 1 1 1-6

203

·2

7-1 7

·2

9-1 Assembly L 9-2

100

-1

00

-2

1 101 -1

101-2 101 -3

Adjustment Loca

IF

S1g

nal . . . . . . . . . • .

545/548 Block Counter

Component Locator

Counter-Int Power

Supply

Pow

er Su

P

ower Su

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tions .

ocations/Cable

Diagr

am

Interconnect

erconnect Sch

Block D1agram

pply Component

pply

Sche

matiC

......

....•......

Connections ... . 9-2

........

. . . . . . . . . . 100-4

ematic ...

Locator

......

.....

..

.

.......

. . .

....

..

....

.

7-2 7-4

9·5

100

101-1 101 ·4 1 01·5

-5

vi

i

5580033

List of Illustrations, continued

Figure

)1-1. )1

-2.

01

-3.

01

-4.

01

-5.

J2-1. J2-2.

3.

J2-

J2-4.

)3

/4/5

-1.

)3/4/5-

)3/4/5

-3.

)3/4/5-4.

3/

4/5-5.

)

!3/4/5

-6.

DAC Board, Simplified Keyboard Con DAC

Board Update

DAC

Component Loca

DAC

Schematic

Power Meter Hardware . . . . . . . . . . . . 02-3

Power

Met Gate Generator Component Loc Gate

Gen

Time

Base

Spec

ifications

2.

Component Location,

Option . . . . . . . . .

Time Base

D

iag

ram

Oven Oscillator Power S

Component Lo

Time

Base

Time Base

trol ..

..........

...............

tor

.........

................

er

Task

.. ..

.........

erator Schematic ....... _ ...

Oscillator

Option,

.............

Calibration Option

Option

..............

Time Base

..

. . . . . . . . . 03/

Interconnection

upply

ca

tion . . . . . . . . . 03/4

.....

Sche

mat

ic . . . . .

_

ator

..

. .

...

(A

1 1 2)

..... 03/4

P

age

01

...

01 01-5

01

-10

01

-11

. . _

02

_ . 02·1 0

02-

03/4/5-1

4/5

03/4/5-2

/5 /5

03/4/5

-2

-4

-3

11

-2

-3

·4

-6

Figur

06-1. 06·

2.

07-1.

2.

07-

07

-3.

07-4.

OB

-1.

-08-2. 08-3. 08-4.

010

-1.

e

Frequency Extension Block Diagram

Locat

ion of

Installed Band 4

Converter

Data Remote Programming/BCD Block

D'

1agram

Remote Programming/BeD Component

Locator .....

Remote Programming/

Schematic

Allowab Locati

GP

IB Component Locator

GPIB Schematic . ......

Side View of Counter

Installed .

•••

••••

Entry Timing

. .

...............

le Address Codes . .

on

of GPIB in Counter

.. ............

..........

.......•

....

•

•••••

BeD

with

..

0 •••

.

.......

........

.....

......

........

. .

......

Option

.....

.

_

10

...

..

•••

•

.

..

.

. . .

Page

06-2

06

-7

07-4

07-7

07-10

07-

11

08-13 08

·14 08-16 08-17

010

-1

viii

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5580021

General

Section

1

Information

DESCRIPTION

The

54XA

series

counters

frequency equ (

See

Using keyboard Options include Power M and

Full frequency

spans

50 ohm 50 ohms nomin

above 26.5 GHz a

M

easu

H

z. When the optional power

in

dBm

range from

ipp

ed

with

frequency exte nsion capab

Model 590) to measure

D/A

Converter

range

a 10 Hz to 100 MHz ran

s,

a 10 MHz to 1 GHz

al

rements

with

are

.1 dB r

10 Hz

control, the 54

output.

is

covered in three b

ove

r a

range

re

mote se

presented on a 12

esol

uti

are

microprocessorto

18 GHz and 10 Hz

up

to

110 GHz.

XA

series count

easurement, full Systems capability via GPIB

ge,

with a sensi

range,

of

1 GHz

nsor, with

measurement

on,

and

an

digit LED

frequency resolution is li

based

heterodyne instruments. The

to

26.5 GHz.

ility

(Option 06).

ers

provide frequency offsets and frequency selectivity.

ands.

Ban

d 1

tivity

of

with

a sensitivity of - 20 dBm. Band 3

to

18 (or

26.5) GHz, and a sensitiv

appropriate waveguide input,

display that

functio

n is activated, the digits on the far right display power

is used

is

a high impedance i

25

mV RMS.

is

sec

mit

ed

to 100kHz.

respec

in conju

is call

tionalized

545A

and 5

48A

tively. The model 548A, when

nct

ion

with

a remote sen

or

BCD/Remote Programming

nput

Band 2 h

ity

to

ed

to

( 1 M oh

as

an

has

an

- 30 dBm. For frequencies

Band 4.

read GHz, MH

input input

m/20

impedance impedan

z,

span

the

sor

pF). and

of

ce

of

kHz, and

1·1

Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com

5580033

SPECIFICATIONS

BAND

1

RAN

GE

SENS

ITI

VITY

I

MPEDANCE CONNECTOR MAX. INPUT DAMAGE

BAND

RANGE SENSITIVIT DYNAMIC RAN IMP CO MAX DAMAGE ACOUISITION

BAND

RANGE SENSI

DYNAMIC

LEVEL

2

Y ·

EDANCE

NNECTOR

INPUT

LEV EL

3

TIVITY

RANGE

LEVEL

~DANCE

CONNECTOR

MAX.

INPUT

f[)AMAGE LEVE

ACQUISITION AUTO

AMPLITUDE

DISCR

f---'-="

IMINATI

-

FM M

ODULATI VSWR FREQUENCY

GE

TIME

-30dBm: 1.0GHz

-2S

1 G

12.4 GHz

----

LEVEL

L

TIM

E

ON ON

LIMIT

dBm: 12.4

Hz

10

12.4 to

-

GHz,

18 G

GHz

to 1

Hz,

to

37

32

2.4 1B

dB

GHz

dB

10H

z tO 1

25

mV

rms

1

Mn/

~0

BNC

!fema

1

20 V rms

150 V

rms

.

(Above 1 KHz

down

to 3.0 V

10 MHz to 1

20

dBm

30

dB

SOn Nomi

BNC

(femal

+10dBm +27

dBm

<

50 msec

1 GHz

to

GHz

SOH No;;:;·

+7

S

IAutomatoc

f 20

< 2 5 1 lVPICal Keyboa

will

Sognal O least 1 10 MH

---

M

odo! S45A · Precoso

odel 548A · AP

M

dBm

W

atts (+37

250

msec I

req

uen

c1es

MHz P

rd

measure largest

UtS1d

00 MHL f

dB

above

z

00

MH1

pF

le)

•

.

GHz

nal

~)

18 GHz

inal

dBm

ndependent

amplitude

l 10

Pup

to

con tool

e o

per rom

desired

max

. onpu t

will

rms

. )

I26

.S GHz

-20

dBm

15

dBm: 22

: 18 GHz

to to

-

18 GH1 22 GHz

-------

on type N,

C • 3.S (female)

-

l

of f

doscromma11on o f two

dB

10 MHz

of des

rat

ored

lorn1ts (standard

s1gnal

woth

a t

ong

band

ei t

her limot

sognal, separatoon

decrease

for

model 548AI

GHz 10

22

GHz,

26.S

GHz,

(female

requency

e

1n

programmed

must

be

For Signals m

to

22

26.5

27

)

separat

is

at 6

GHz

dB

22

typ,ca

--

GHz

dB

). Cou

dB/

l1mots

ed

ore

lly

octave

nte

by

than 200

--

r

at

TIME

BASE

FREQUENCY

~A

;...;,.;

G

..;:

I

.,;:

N

::.c

G

::..::.

R

c.cA..;:

~S~H~Q~R~T~T~E

TEMPERAT LINE

VARI

WARM

UP

OUTPUT

EXT

FREQ

. TIME

Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com

T_E

_______________

'-'R~M

'-'--------------<~I~1-x~

URE < J I x 10·

ATI

ON'

TIM

E

UEN

CY

BASE

10 MHz

<~I1

< 11 x 1Q·

NON E 10 MHz, square-wave, 1 V

Requ

1-2

TCXO

x 1o-7

!per

17o~--~

'

lrl

r~m~s~fo..;:

61 0'1o + 50' C

71 ± 10

ires 10

MHz

mon

th

11 x 101

r~o~n-csecondave

%chan

, 1 V P·P

ge,

Pil

minlmlm

11

x

10·6

r

agl

ngt

mln~mum

Into

1P~

r

ye

a•

ime. ---

in t o 50 Ohms.

300 ohms

.

----

~

5580033

SPECIFICATIONS, continued

GENERAL RESOLUTION

MEASUREMENT

DISPL

AY ACCURACY TEST SAMPLE

RESET OFFSETS

OPERATION TEMP POWER

WEIGHT, W DI

ACCESSORIES

RATE

NET

EIG

HT, SHIPP I

MENSIONS (HWD)

TIME

.

NG

FURNISHED

Front

panel

keyboard

1 m

sec for

1

sec

12

± 1 count Fron Con trols time between measure

100 msec

holds display

Resets display Keyboard control

power

Displayed frequency (power) resol

o

·c

100/120/220/240/VAC ± 10 60Hz,

-26

-J21bs

3.5" x 16.75" x 14.0" Power Cord and Manual

1 KHz

for

1 Hz resoluti

digit

LED

±ti

t panel selected diag

typ

, to

offs

ets (standard with

uti

on (0.1

to

so

·c

60

VA

lbs. (11

.8

(14.5

.

i'l2_

ut

select 1 Hz

resolution

on

sectiona

lized

me

bose

error

nosti

10

sec

indefinitely.

to

typi

. Switchable

zero and Initiates new reading

of

frequen

dB

powe

r).

cal

k~)

kg)

(89

mm

cs

ments var

Hold

cy

offsets (st

pow

er measurement

Is

offset

by ent

% (selecta

X 4

25

mm X 356

to

1 GHz

iable

position

andard) and

ering value

ble) 50

from

to

Option

mm l

to

02). 1 Hz

BAND

4

Used

with

578106 Counter

OPTION

SELECT

Waveguide Band

Range Sensitiv

Waveguide Waveguide Ma

x.

Input (typ) Damage Level Aqulslt•on Time (typ)

EXAMPLE:

ity

BAND

(typ)

Size

Flange

lf Model

M

and

590 Frequency Extension Kit

91

41

Ka u E w

26.5-40

GHz

-2

5d8m

(-20

dBm min)

WR-28

UG-599/U UG-363/U UG-387/U

t5

dBm

t10

dBm

<2

.5 sec

desired meas

578

odel 590 -Extended

urem

with Opti

on

92

42

4Q-60

-25

dBm

WR-19

-+5

dBm

t10

dBm

<2

.5 sec

ent

Is

60

- 90 GHz.

06 -Extended

Frequency

GHz

Go-90

-25 dBm -

<2

Frequency

Cable

93 94 43

GHz

90-110

WR-12

-+5

dBm

t10

d8m

.5

sec

the

required

Kit

and

with Opt

ion

44

GHz

25

dBm

WR- 10

UG-387/U

t5

dBm

t10

dBm

<2.5 sec

equipment

93

- R

emo

42

Is:

te Sen

95

or

v

60-75

-25

dBm

WR-

UG-385

t5

dBm

t10

d8m

<2

.5 sec

43

GHz

15

sor

/U

96

41

or

33-50

-2

5 dBm

WR-22

UG-383/U

+5

t10

<2

.5 sec

42

a

GHz

dBm

1-3

Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com

5580033

SPECIFICATIONS, continued

OPTIONS

D

TO A CONV

01

DAC output

POWER

02

1

to

f

rom Power Opt

ion

will

18/26

-10

EATER

convert any three consecutively displayed

on rear panel.

METER

.6 GHz

will

dBm

offset

to 0.1 dB resolution

will

no t degrade the basic

measure sine wave

to

over

load

See Se cti

and display 0.2

, selectable f

perfo

TIME BASE OSCILLATOR OPTIONS:

03

AGING

RATE/24 HOURS

(Al

ter 72 ho

SHOAT ( 1

second average)

0"

to

S

TABILIT

±

10

06

TEAM

+50 • C

Y

% LI

NE VOLTAGE

EXTENDED

Use in conJ

ur

warm-up)

STABILITY

TEMPERATURE

CHANGE

FREQUENCY

unction

with models S90 Frequen

<i

s"

< 1 x

<1

6 x 10·8 1

<i

s x 10-1

CAPABILITY -S48A

on

amplit

dBm

rmance

10·9 1

10

-IOrms

01

10

for

deta

digi

ude

to

resolut

rom fron

of

the

coun

<1

< 1 x 1Q·10 rms

<iJ

<

cy

Ex1ension

----

iled i

nformation

ts

into

an

analog

0,1

dBm

ion

t panel.

resolution fr

simultaneously with frequency. ter.

04

1 X 10·

91

x 10·

81

12

x 1o-1o 1 <

kit

.

voltage

om

05

<

i5x1Q

< 1 x

10

< I J x 10·

12

x 1o-

sensi

·10 j

10

'

tivity

rms

81

1o

to

-10

dBm

;

1

07

REMOTE PROGRAM

08 GPJB -

09

10

Provid

REAR INPUT

CHASSIS

es

SLIDES

MING

programm

/BCD

ing and o

OUTPUT

utput

capabil

ity

per

IEEE 488·

1978

.

1-4

Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com

5580033

Section

Installation

SAFETY The Mode l 545A/548A Microwave Counter is a Safety Class I instr ument. This instru

been designed and contains information, cautions, and warnings that must ensure

SAFETY SYMBOLS

WARNING

CAUTION

OVERALL SAFETY CONSIDERATIONS

safe operation and to retain the instrument

tested

The

WAR

NING si practice personal injury.

The proce resu lt in d

which, if not correctly pe rf

CAUTION

dur

e or p

amage

accord

ing to international safe ty requ

in safe condition.

gn

denotes a hazard.

sign denotes a hazard.

ractice

which, if n

to or destruction

WARNING

ot

correc

of

irements. This manual

be

followed by the service person

It calls attenti

ormed or

It

calls att ention to an operating

tly p

erformed

part or all of the product.

on

to a pr

adher

ed to, could result in

or adhered to, could

oced

ment

ure

2

has

to

or

Before terminals protective plug protective negated without a protective

Only specified

short-circuited or

Wh enever the aga

All autotransformers, should

protecti will personal

this

of conduction

shall

only

earth

by

fuses

type should

fire

haz

ard

instrument

inst

any

protecti

be

ve

cau

se a

injury

instrument

this

be

inserted

contact.

the

use

with

the

fuse

.

it

is

likely

must

unintended

ve earth

and

connected

earth

contact. Any

potential

.

Is

switched

instrument

of

the

In a socket

The

of

an extension

earth

(grounding)

WARNING

required be

used.

holders. To

WARNING

that

the

be

made

operation.

WARNING

terminals

devices

to a socket

shock

on,

must

(mains)

protective

protection

interruption

power

rated

Do

not

do

so

inoperative

. ex

connected

outlet

hazard that

the

protective

be

connected

cord.

outlet

provided

action

cord

conductor.

current,

use

repaired

could

has been

and

tension

to

provided

of

could

earth

to

the

The

mains

with

must

not

be

(power

voltage,

cause a shock

this Instrument

the

cable)

fuses

impaired,

be

secured

cords,

with

protection

result

and

or

in

a

2-1

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5580033

INSTALLATION No special installation instructions are required. The counter is a

mounted

line

COUNTER IDENTIFICATION This

number

any SHIPPING Should it be necessary to ship the counter, wrap it in heavy plastic

original container test) double- walled counter car

STORAGE The instrument

other

to

above

unit and only requires connection to a standard 1 00/120

for

operation.

CAUTION

Check

panel

counter

correspondence

ton to Indicate th at it contains a fragile electronic instrument.

contam

temperatures

is

identified by two sets of numbers, the model

that is located on a label affixed to the rear panel. Both numbers must

and

the

sho

inants at an altitu

30°C,

45

current

VAC

selector

regarding this

if

available.

carto

inn

er

carton. Seal

uld

beyond the ran

±5%

If

n with approximately four inches

be

stored

above

rating

the original container cannot

de

30°C},

of

counter

switch

counter

the

In

of

less than 12,000 m ( 40,000 ft) and should not be exposed

ge

of

before

.

carton with strong filament tape

an environment that is

-40° C to

dripping water,

fuse

and

setting

applying

75°

power

number

be

used, use a heavy (275

of

packing material between the

protec

C, humidity above 95

or

vibration shock of greater than 2 g.

self-contained

/220/2

40V

50-60

of

rear

to

counter.

545A

or

548A and a serial

be

or

kraft

paper

or

strapping. Mark the

ted from

sand, dust, and

bench

±5%

or

Hz

power

mentioned

and repack in

-po

(75

rack

in

und

±5%

PERFORMANCE The following

1 . Turn counter power switch off. Check fuse rat ing and setting of AC

panel.

2. Connect ground

3. Turn

4. Press 0 0

5. Press 0 0

6. Press 0 0

7. Press 0 0

8. This

POWER

This ind icates that automatic self-

comp

CHECKOUT PROCEDURE

procedure can

power

terminal on t

TEST

swit

cord

ch

be

to

100/120

he

power cord plug should

on. Dashes will be displayed for about one

GJ.

TEST

[D.

TEST

CIJ.

TEST

GJ.

letes

the perf

ormance

performed

or

Display should read 200 000 000 ± 1.

Display should read a

Each display

Each digit shou ld light in turn.

without special tools

220/240

check

checkout procedure.

V,

50-660

be

grounded.

has been completed .

ll

B's

segment

sho

or

equipment.

Hz

single-phase

second,

and a

ll

annunciators should

uld light in turn.

POWER

switch on rear

power source. The

followed by all O's.

be

lit.

2- 2

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5580021

lr.f

I l

'3

----..

'3

S

~-·-------

t~,

6 '-1

-, ,:'

------

Figure 3·1.

-,

--~

Front

..

.

,

~

Panel, Mod el

545A

Section

3

Operation

FRONT PANEL CONTROLS

DISPLAY

•

Th

e 12

digit

LED displ

fr

equency. The freq

GHz, M H

right-most digits. When

100kH

• POWER switch turns counter on.

• SAMPLE (

Ga

The last reading

GATE

•

• SEARCH ligh

•

RESE

z,

kH z and H

z.

RATE/HOLD vari

te time

is

lights when the signal gate

T manually

uency readout is displayed in a fixed position format that

added

to

is

retai

ts when

ove

r-rides all control

AND

ay

provi

z.

Power

bot

h power and frequency are displayed, freq

es

sample time, thus the

ned

inde

the counter

INDICATORS

des

a direct numerical readout of a m

information

time between measurements fro m 0.1

finit

ely in HOLD.

is

open

is not

s, resets

is displayed in dBm

mini

mum

and a measu

locked

to

an

the counter

reme

input

reading

nt

is

signa

and

converter,

bei

l.

for

ng

to

1 Hz r

made.

easurement or

0.1 dB r uency resoluti

esolutio

to

10

esolution

and

initiat

of

is

sec

tiona l ized in

n, on the

on

is limit

secon

ds (nominal).

is

1.1

es

a new readin

an

seco

input

three

ed to

nds.)

g.

3-1

Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com

5580033

OPERATING

The

ope

data,

instead

STATUS

ratin

g status

of a measurement,

of

• REMOTE lights co

•

ntrolled

EXT

dBm

FRO

OFFSET,

Band

REF

lights

LMT, L

1,

2,

by

the

lights

to

indi

OW/

PWR/FRQ

3,

41,

Band 4 annunciator sel

ected

(Available

the

counter is

to

indicate

GPIB

option

to

indicate

cate that

HIGH lights

lights

42,

43,

44

is lit it i

on

548A

indicated

the appropriate

that

front

(08).

or

by

the

counter

When

EXT

indicate

the

Power

Meter

when

frequency

when

power

light

to

indicate

ndicates

that

only).

by

a series o f LEDs. When the count

LED status indica t

panel

contro

the

BCD/Remote Programming

is

set

to

an

external time

or

will flash.

ls are disabled,

base reference.

CAUTION

REF lights it

that

correct

has been

option

limits

and/or

frequency

which

the

Extended

signal level

applied

(02)

for Band 3

operating

does

NOT

.

is active.

offsets

range has

Frequency

operation

are s

and

option

have

tor

ed

been

Capability

that

in

sel

optio

er is

the

(07).

been

the

counter

ected.

displaying

counter

sel

ected.

When

n (06) h

input

is

being

memory.

any

as

been

• DAC lights

• ML T lights

POWER

Four

• ON/

•

• DAC

METER/DAC

keys

control the

OFF

OFFSET

dB

pushbutton

pushbutton,

in

will sel

to

indic

ate

that

the

to

indicate the

OPTION

operation

push

button activates/deactivates

push

button

acts as a t

ect

the

most

multiplier

KEYBOARD

of

these

activates

erm

ina

follow

ed

by

significant digit

Digital-to-A

function

options

the

power

tor

for

the

two

c1igits

(00 = OFF,

nalog

is active.

.

power

offset

input

(00-12).

Converter

option

meter.

fun

ction.

of

power offsets.

activates

01 = 1 Hz, 12 =

01

the

is

act

DAC

10

ive.

option.

G Hz).

The

number

keyed

3-2

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5580021

26Y99'3:13958

SIGNAL

INPUT

. .

Figure 3·

2.

Front Panel,

'"'

'

.~..:-

~

548A

~t\)

..

::.:..4®

• Band 1 i 20

• Band 2 ur

• Band 3

ation

f

or

• Band 4 is used in co

Frequency Extension Cable

and cover waveguide bands from

nput

conn

pF. It

is

used

for

input

conn ector (BNC femal

ements in the range

input

connector

in

the range

operat

ion

in

the range

ector

(BNC female) h

measurements in the range of 1

of

1 GHz

njun

10 MHz

on

ction

the model

to

of

1 GHz

with

kit

to

18 GH

and a remote

26.5

as

e) has

a nominal

1 GH

z.

545A

z.

Mod

to

26.5 GH

the Extend

to

1 10 GH

a nominal

is

input

impedance

0Hz

to

100 MHz.

input

impedan

ce

of

a precision type N female. It

el

548A

has

an

APC-3.5 female connector t

z.

ed

Frequency capab

senso

r. Remote sen

z.

ility option (06), the Mod

sors

of

1 M

eg

50 ohms.

is

used

are options

ohms, shun

It

is

used for

for

counter oper·

hat

to

the Model 590

ted by

meas

is

used

el

590

-

3-3

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5580021

REAR PANEL CONTROLS

e Spaces label

connec

• TIME BASE

precise setting

• TIME BASE INT

• TIME BASE

external 10

•

DAC in

strume

• GPIB con

• FUSE provides ove rload

U

se a .50 amp slow-blow

ed

tors in inst

ADJUST contr

connecto

MHz reference.

OUT

connector

nts equipp

nector

BAND 1, BAND 2, BAND 3, BAND

rum

ents equipped

of

the

intern

/EX

T s

wit

r (BNC female) allows

provides a voltage

ed w

ith

is used

with

protection FST

Figure 3-3. R

AND

CONNECTORS

with

Option

ol

is

used

with

options

al ovenized cry stal oscill

ch selects eith

Option

01, D

the IEEE 488- 1

type fuse

er

analog

to A Converter.

. Use a 1

for

220/240 V operatio

the

monitoring

to

978

amp

ear

Pane l

4,

and

TO

09, Rear Panel I

03,

04,

or

ator.

internal

Gener

slow

any

time

of

internal

specified

.. l Purp

·bl

ow

MDL

REMOTE

nput

05

only. Scr

base or

three

ose Interface Bus.

type

n.

SENSOR

.

ewdriver

an

external

10

MHz time base,

digits

of frequency

fuse for

are used for those

adjustment all

10

MHz refer

or

input

displayed, in

100

/ 1

20Vopera

ows

ence.

of

an

tion.

•

VA

C SWITCH sets the

100, 120,

at freq

• AC POWER

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220,

uencies o f

connector

and

50

240

to

Switch

operat

in g voltage

V AC.

Counter

60

Hz.

setti

ng a nd fuse rati ng

accepts the p

of

will

ower cord

the

counter

operate

at

CAUTION

must

supplie

d with the

3-4

to

match

voltages

match

power

line . Th

within ± 10% of select

power

line voltage.

counter.

ere

ed line

are 4

sett

ings:

voltage,

5580033

MULT

D

•I

FREQ

II

offset

BAND

FREQ

liD

low

RESOL

LIMIT

high GHz

TEST

.....

••

Figu re 3-4.

Keyboard

MHz

DATA

..

C R

DISPLAY

KEYBOARD

The

keyboard

used

for

numerical data ent

(MHz

and

GHz)

DATA

and

CLEAR

are also

function.

UNITS

PRESS

CLEAR

PRESS

used

(MHz/GHz)

:

(DATA/DISPLAY)

:

DISPLA

consis ts

act

to

select

MHz

0 0

GHz

DATA

D

CLEAR

CLE

AR

D

of

16

pushbuttons

ry,

the

dtgtts 0 t

as t

erminators

DISPLAY

the

band, resolutton, test function,

Completes Entry

Completes

Return

Clears Lim its ( Low/ Htgh),

Clears measur

Y

for

the

keys

are used

Sequence

Entry Sequence

"STORED" data

disp

lay.

Does

ement

mode.

that contr

hroug

h 9,

tnput

of frequency

to

clear stor

of

select

Offsets,

not affect

ol maj

or funct

the

deci

ed

or

frequen

ed function

DAC,

stored

ions

mal

offset

displayed

cy off

to

and

multiplier

data.

Restores

of the count

point

and the

or frequency

data.

Seven

set

, frequency

Pow

er

On

operations

counter to

er. Twelve

minus

of

lim its,

state.

sign.

ltmi t

s.

the

numerical

and multiplier

.

keys

are

Two key

The CLEAR

keys

s

3-5

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5580033

BAND SELECTION

To select one

PRESS

Notice annunciator flash and selected band number inputs

The

PRESS

PRES

PRESS

On the model Band 4 is

PRESS

For exampl

of

three standard operating bands

BAND

:

O

to

be

connected and selected in

"BAND"

:

S:

:

se

lected by:

:

e,

CQ

KEY

follow

BAND

0 W

BAND

0 0 10

BAND

0 0 1 GH

548A

equ

BAND

08]0

with the 91 Sensor you

BAND

or

ed by a numeric key enabl

10Hz· 100 MHz

MH

ipp

ed

with

00

turn.

z · 1 GHz

z-

18 GHz (Mod

option

06, a 590 cable kit and appropriate optional remote sensor,

will

press

on the model 545A

Input

:

or

548A

.

BAND

or

will

light

when chosen. This feature allows

es

the

following band selection.

el

545A) 26.5 GHz (Model 548A)

BAND

00

D CDGJ

multiple

3·6

L

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5580033

RESOLUTION I GATE TIME SELECTION

The

"RESO

PRESS:

PRESS

PRES

PRESS:

PRESS

PRESS:

L" key followed by a numeric key enables

RESOL

1 Hz

RESOLUT

10Hz RESOLUTION

100Hz

1

KHz

RESOLUT ION

10KHz

100KHz

1 MHz

RESOLUTION

S:

D

RESOL

:

D

RESOL

D

RESOL

D

RESOL

D

RESOL

:

D

RESOL

D

CD

GJ

0

CD

RESOLUTION

RESOLUT

RESOLUTION

ION

f

ollowing

resolutions.

PRESS

PRESS:

As

the reso

:

lut

RESOL

D 0

RESOL

D

RESOL

D

ion

0

[!]

is

decreased from 1 Hz

10 MHz RESOLUTION

100 MHz

1 GHz RESOLUTION

• 1 Hz resolution equals a gate

• 10 Hz = 100 msec Gate time

• 1

00

• 1

to

Hz = 10

KHz

to 1 GHz = 1

RESOLUTION

1 kHz, the gate time LED should cyc le faster:

msec

Gate time

msec

Gate ti

time of 1 sec

me

.

3·7

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5580033

DISPLAY

The keyboard display operations must be started

DATA

Sequence :

Examples:

DISPLAY

Sequence :

Example :

AND

ENTRY

DATA

DATA ENTRY

and

· enter offsets or l

1.

FUNCT I

(decimal

FUNCTION , NUMBER

2.

FREO

1.

D

OFFSET

BA

2.

ND

00

· display previously entered data

FUNCTION,

FREO

D

OFFSET DISPLAY

SEQUENCE

data e

ntry

seque

nces

by

choosing the function first.

imit

s

ON,

SIGN (plus

and

second number

sign

not

is

ITJGJ80

CLEAR DISPLAY

CLEAR

D

are

segmented

required) , NUMBER .

optional )

D

GHz

into

four

main groups.

DECIMAL

All

keyboard

. NUMBER . UNITS

CLEAR

Sequence : 1.

DATA

2. FUNCTION • 0 . UNITS

3.

Examples:

CLEAR

Sequence:

Example :

1.

2.

3.

ENTRY

· clear entered data

FUNCTION,

FUNCTION.

FREO

D D

OFFSET

FREO

D

OFFSET

FREO

D

OFFSET

- clear display before completing data entry

FUNCTI

FREO

D

OFFSET

ON,

CLEAR

DATA

CLEAR

0

D

GHz

STR I

UNITS

D

GHz

NG,

DATA

CLEAR DISPLAY

GJDCD

CL

D

DI

SPLAY

EAR

3-8

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5580033

MULTIPLY

In the played

t

he front panel w

FUNCTION:

multip

ly function the m

to

1 KHz r

EXAMPLES:

NOTE:

Whe

n "

The tw

To

clear t

he

mul

This sequence clea

esolution.

ill show

MUL

o dig

it

tip

lier function th e follo

rs th e

If the results of the mul

F's.

PRESS D

EXA

T" key

is presse

mult

iplier (m) will

PRESS D

multiplier function and

easured frequency

MULT

AND

MULT

MPL

E D 0 0

d the annunciator "

be displayed

win

g operation

MULT

KEY

CLEAR

D

DATA

multipl

is mul

tiplied

by an

int

eger

BER

ER . 2

h u

ntil the

up

tip

lications are too big for the front pan

IN

TWO DIG

as the

is perf

or

IT

NUM

FOR MULTIPLI

ML

T" w

ill flas

numb

ers

ormed. 1

PRESS

are entered.

MULT

DGC2J

ier (m).

to

99. The result

seq

uen

ce

is

el

to display,

is

completed.

dis-

mX

± b

By using the frequency offsets

and

multiply

calculations.

T

he equation f

or

the function performed is:

Displayed Reading = mX ± b where m =

X =

± b =

TO

DO m X ± b CAL

CULAT

ION

FOR

m • 2, b • -70 MHz

MULT

PRESS D

functions the co

Multipli

Inp

Fr

er

(up

ut frequency.

equency

G0

to

99) entered

offset ent

ANDDCD00

OFFSET

unt

er can a

uto

matica

fro

m keyboard.

ered from the keyboard.

FREQ

lly perf

MHZ

0

orm

mX

± b

3-9

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558003~

FREQUENCY

Frequency ltm1ts can

FREO LIMIT

PRESS: 0 Notice flashing annunciator.

PRESS: Number keys corresponding to desired frequency

PRESS:

PRESS

PRESS.

PRESS: D

To recall stored

PRESS:

low

MH

D

FR

EO LIMIT

D

hi

MHz

limits

FR

EO LIMIT

D

low

LIMITS

be

entered

l

gh

.

to

10

MHz

resolut

or

D

GHz

Notice

Key numbers corresponding

or

and

To termina te

so

lidly

lit.

flashing annunciator

D

GHl

CLE

DISPLA

To termi nate input sequence. Notice FRO solid ly l

AR

D

Y

ion.

it.

then

input

sequence. Notice FRO LMT L

to

desired freq. Hi li

FREQ

LIMIT

D

hi

gh

low

and

limi

t to 10 M

mit

.

LMT

CLE

AR

0

DISPLAY

Hz resolution.

OW

annunciators

Hi

annunciator

To

clear data memory and remove frequency

FREO LIMIT DATA

PRESS: g and

selected limit(s)

NOTE: H

igh

are er

and

ase

d. Al

low limits

so

notice

should

be

limits

.

FREO

LIMIT DA

gR

"F

sepa

then g and gR

RQ LMT LOW HI" annunciators are o

rat

ed

by

at

least 100 MH

z.

TA

ut.

Vary

Source.

Notice

3·10

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5580033

TEST SELECTION

The following tes on the

counter

has

been

comp

RAM

and PROM

The processor writes a pattern. Thus each

"E's".

This indicates

PROM check verifies the PROM

The

played.

If

turn

Thi

both

RAM

on. The

200

MHz

PRESS:

Notice

display

the signal selection, the

ts

will

verify

performs a

leted.

seq

bit

in

that

the

s indicates

and PROM check are good the counter

SELF

that

will

TEST

D

~CiJ

is

200 MHz. This

count

the PROM's

now

proper operation

RAM

and PROM check.

uential

each

bit

pattern

location is checked.

RAM

or

the

bit or the PROM decoding

display all

verifies

chain, and th e local oscillator.

RAM

decoding

pattern.

counter

O's

.

operation

of

to

most

During

each

If

func

tio

nal

areas

this check

RAM

If

the

RAM

is

faulty

the PROM check fails

is

will

begin normal operation

of

the

time base

dashes

location, then independently

check fails the display

.

faulty.

See

reference and

of

the counter.

are

an

error

Sec

tion 6.

At

displayed

about

until

message

one second after

it's

associated circuits,

the

initial turn

the check

reads

will

that

show all

be dis·

LED

TEST

PRESS:

No tice all

LED

SEGME

PRESS:

Notice

be adjusted. This checks the segment

DISPL

PRESS:

Notice The sample rate

D

LED

NT TEST

TEST

0

each

segment

AY

DIGIT

TEST

0

all segments

segments and

of

each

TEST

00

of

each

digit

pot

will

change the rate, and

yellow

display

are

annunciators

digit

is

lit

drivers

.

lit

in

turn

may

are

lit.

This verifies operation

in turn. The sample rate

to

verify

that

each

digit

be

adjusted.

pot will change t

operat

es

independentl

of

all visual indicators

he

rate, and may

y.

11

3-

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5580033

KEYBOARD TEST

TEST

PRESS :

D

CD

Notice display th

at

key

within

TO EXIT TESTS

CLEAR

PRESS :

To exit function

Tests 6 through

D

DISPLAY

tests 1 through 4, 6

selected.

is

05. Press

the

matrix

10

are used

any

thus

to

exit a test

and 7 you

for

key and display will

check ing

calibration

keyboard

and

return

to

can press

and

troub

indicate a

operations. See Figure 6-5 for

n

orma

any

function key. This will exit

leshooting. See Pages 6-6

two

l operation.

digit

number

and

showing the

coordinates

the

test

6-7 .

position

.

and

enter

of

the

3-12

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5580033

SET-UP FOR BASIC FREQUENCY MEASUREMENT

BAND

Choose th e

by pressing 0 and a number key corresponding to requir

selec

ted

mput ban

RESOL

input

Band Connector will

d by pressing 0 and a number key corresponding

be

automatically display

ed

to the

to

the band. Choose resolution

ed

resolution. The

resolution chosen.

s1g

nal coupled

to

the

NOTE: When pre

ssi

ng

th e RESOL key the disp lay

FREQUENCY OFFSETS

Frequency OFFSETS can be added

front

via the

PRESS:

PRESS.

panel keyboard

FREO

0

OFFSET

Number press

QJ and not1ce polar1ty sign

MHz

D

ment.

FREO

0

OFFSET

to

1

Notic

e the flashing annunciator.

keys corresponding to desired frequency OFFSETS. If OFFSET is

D

or

GHz

Notice solid

Recalls OFFSET

will

go blank

or

subtracted

Hz

resolut ion.

ly

lit annunciator indicating ins

from

the measured value. These OFFSETS can

indicator

to integrate programmed OFFSET

to

display,

FRO

for

approximately 1/4 second.

at

far

left

of display .

into

actual freq

trument

and OFFSET annunciators

memory

is

load

be

to

be

subtracted

uency measure,

ed.

flash1ng.

entered

PRESS:

PR

ESS:

PRESS:

CLEAR

c

DISPL

AY

FREO

D

OFFSET

CLEAR

D

OA

T ~

Notice frequency displayed includes OFFSET; annunciators are lit continuously.

Recalls

Clears

OFFSET

data memory and clears offset.

FRO

and

Display

is

to display; FRO and OFFSET annunciators flashing.

OFFSET

actual frequency

annunciators are out.

3-13

wit

hou t offset.

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55800

33

DISPLAY ERROR

When

an error occurs the error number OPERATOR ERRORS The following e 01

Illegal Key 02 A resolution number 03 A band number 04

No

power reading in current band.

05

Frequency 06 (Freq Limit 07 Frequency

08

Il

legal

09

10 Illegal

test mode key DAC key

MESSAGES

rror mess

Sequence.

was

limit

high > 18.5

HI)-

(Freq Limit La) <

Limit

Low

seq

uenc

will

be

displayed. The probable cau

ages

indicate

was

not

entered;

< .95 GHz (545A/548A).

sequence

e.

an

operator error.

entered.

or the number enter

GH

z,

27

GHz (548A).

Min

.

ed was

too large.

. (100 MHz) differen

ce.

se

of

each

error

is

listed below.

11

Illegal

Multipli

12

13

Opt

ion

COUNTER ERRORS

The following error

31

Check

sum

32

Check sum error

33 Check

sum

not

installed.

err

erro r

er key sequenc

or

messages

Section 1 PR Section 2 Sec

e.

indicate a malfunction

OM

PR

OM

tion 3 PR

OM

within

the counter.

00000-DFF EOOO- EFFF EOOO-

FFFF

F

A105, U13 A105, U17

A105, U15

3-14

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5580033

GENERAL

The

545A

the

range

of

fr

equency

BAND

ohm, shunted

M

BAND signal i

BAND

conve

is

1 operat

2 operates from

nto

an

3 operates In

rter

to

and 548A count

10 Hz to 18 GHz

divided

into

es

from

by

20 pF.

output

signal

th

e microwave ran

translate the

three bands.

10 Hz to

10

Theory

ers

automatically

for

the 545A,

100

MHz

to

1 GHz, using aheterodynedown converter which conver

wit

h a

range

input

frequency downward to an intermediate frequency ( I F)

mea

sure

and

display the frequency

and

10Hz

to

26.5 GHz f

MHz. An impedance converter provides

of

10

MHz

to

190

MHz

.

ge

of 1

to

18 GHz (

or

26.5 GHz) and

of

or

the 548A. In

Section

Operation

of

an

inp

ut

signal

within

both

models the·

an

input

impedance

ts

the

uses

a YIG tuned heterodyne

of

125

4

of

input

MHz.

1

A I

MICROPAOClSSOA

I

TI~E

0$C

I C

GEN

OS

FA

ONl ,

c::J

E::J

GATE Ct'-tRATOII

BAS( I

I LL A1 0 U

10

MU1

AH

I

EH

ATOR I

ANEl A 110

A l 07

AMP LITUDE ·l

Ml ASVAE

ME""

tEM

DA

TA BUS

ADOA E

CON

TAOL

f

SS BUS

BUS

SYS

CATE

DETECTOR

COU

I

CHAIN

I

(I

(N(A

PUAPOS(

IN

TEftFAC

I

OUTPUT/

I•

PROGRA

OUT

N~

O, T IO

OR

B

CD

A.EMOTE

MMI

AL

f:

1061

0

&US

0

NG

~

NS

:

I

:1

~H~HI

-

ll~MH1tF

1 BAND J

A109

BAND . r

I

MP(O,t,

NC E

CONVEA

Tf A

1

J

8A

~D

2

l CO

NV

ERT

""~· ·

J

l

A20J}

CO

NVEATE

...

~

.4

I A

CONV

ERTER

co~tRO

L

t1

J

ER

t1

l

A

2

~

1081

8AND1

INPUT

BAND

I

NPUT

BAND

IIJPUT

2

J

Figure 4·1. Counter Block Diagram. Simplified

4·1

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5580033

BASIC COUNTER

Overall mi

t is a Peripheral me

Frequency measurements the a user

A fre of ed

l appropriate

t ated. During

t

any req

fr

it

operatton

croprocesso

he

instrument

nt

hardware

time

bas

tor Assemb

may

select an

quency

cyc

les of the

by the

Count

nittally,

hen

he

equency. The simplified

the m

initiates the

end

of the gate ttme, the

uir

ed

is

controlled

r,

its

con

trol logtc,

by

means of a triple bus syste

Interface Adaptor

.

e. A 10

ly A

Gate Time

block

MHz

107. For incr externa

measurement

referen

ce.

Chain Assem

icroprocessor selects

based

measurement

the gate int

calculations n

front panel display

erva

diagram

BAND 2 CONVERTER

by the

and

(PIA)

are performed

crys

tal

oscillator

eased

accuracy and

l10 MHz

This Gate

of the counter.

reference

is

made by

Tim

bly A 10

on user inp

l, the

microprocessor

ecessa

cyc

one

le by Co u

ry

is

6.

to

Microproces

the system memory. It

which

by compar

gen

e is then used

of

ut

information

resetting

nt

Chain

con

then

sor Assem

m : the

data,

address,

provides

is used

.

erating a time interval

seve r

reads the

vert the

updated with th

the interfa

ing an

unkn

as

the

internal

stability,

al

available

the

accumulates the nu

ovenized oscillator

as

an

; band selection,

Count

stored

measurement into a direct reading

bly

A 105.

com

muntcates

and

ce

between the

own signal

re f

erence and

tnterval

input

e n

during

s to the

Cha

in to

mber

information

ew

measur

This

assembly

with

control

(Gate Time)

zero

to

reso

of in the

bus. On

a re f

is a

options

which

Count

lut

ton,

and allo

cycles

emen

Count

t res

contains

all oth

each

bus

system

eren

ce

frequency,

part

of the

are available,

consisting

the

input signal

Chain

Asse

etc. The m i

wing a gate

of the input

Chain and perform

of the

ult

s.

Figure

an

er

asse

assembly

and the

Gat

of a

mbly

cropr

to

eig

ht bit

mbl

ies there

instru

namely

e Ge ner·

or the

number

is count

and the

ocessor

be

gener

signal.

unknown

4-1

shows

in

·

At

s

An input signal is

IF

frequency

for direc

The

L.O. frequency

This

frequency multiplier pass

only

Two

detectors

result

ing

wh

en the IF

tn

t m

easureme

serv

es

a DC bias

IF signa

amplitude

the

is

provide

applied

range

nt

by the Count

is

generated

phas

e l

to

either

to

the

outputs

l.

These outp

exceeds the RF

to the

mixer

of

10 MHz

ocked

pass

mixer

to 190 MHz.

Chain

by

the to the counter's time alo

ng

.

proportional

uts

are

along with

.

Vol tage

the

signal

compared amplitude

an

appropriate local oscillator

Thi

s signa l

Controlled Osc

base and

directly

to

the

amplitud

in

the

Signal

.

is filt

ered

ill

ator

controlled

or

doub

le it.

es

of

both the

Comparator, which

and

(VCO)

by the

It

can also

(L.O

.) to ge

amplified

of

appl

to a level

the Band 3

microprocessor

turn

off

ied

RF

provides a digital output

the

signal

Converter

signal

ner

ate

suitab

. A

VCO

and tho

an

le

.

and

4·2

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5580033

10MHt

1GHz

r

-

ATT

~

A F

'-

ENUATO

DETEC

TOR

-

DC BIAS,

F

VCO

A

r-

M

DETECT

IXE

R

ED

M

X1, or

RF

COMPARA

vco

UL

TIPLI

10 MH1 200

SIG

EA

r vco X

Mit

t

NAL

TOR

'2

MHl

210

PA

LOW FILT

ER

D

ET

ECTED

375 435 MHt

SS 1--

IF

10

Mit

MPLI

IF A

IF

DETECTOR

t ·

100

FIER

1F OU T

MH

z

~---

---

f-

TO MICROPR

FRO

M

vco

TO COU

NT

C

HAI

N

06

A1

OCESSOR

The output frequency

the mixer

quency can

ing

the

. Sin

ce the L.O. f

be expressed as F1N=N

converter

:

• To select the

• To

These priate is

applied

the

correct and the +/· sign in t and

directi

select

determi

functions

amplitude

, the IF

VCO freq

on of

an

ne

are accomplished

and

power

he equati

the res

Figure

of t

he

requency

approp

riate

appropriate

whether

frequency.

will

exceed the

uency

and

on

ult

ing IF

4-2

Band 2 Conver

system

Fvco

harmonic

VCO

the

IF

by

Overall syst

harm

onic

is determ

shif

t.

is the

difference

is a h

armonic

± F IF·

Th

number

freque

ncy

.

frequency

is

selecting N and

em

gain

R F

power. Th

numb

er.

ined

by shifting

Converter

operation is diagramm

ter

Block

Diagr

between the input

(N)

of

the

ere

are three prima

N.

added

to,

or

Fvco

is such that wh

is

the

Once

an

IF

the VCO frequ

am,

Simpl

ified

signal

VCO frequency, the

ry functions

subtracted

and looking

from the

for

enever the correc

pri

mary

informat

is

obtained,

the harmonic

ency

ed

in figure 4 -

and

the

unknown input

of

the softw

L.O. frequency.

an

IF signal

t L.O.

ion

used

number

observtng

3.

L.O.

of

in det

the

applied

are

ope

the

appro

frequency

erm

ining

is vertfi

magn

itud

to fre rat·

-

ed

e

4-3

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5580033

Fvco

•

370

MULTIPLI

TO

X1

Fvco

•

MULTIPLIER

TO

375

X2

ER

Mhz

MHz

COUNT FI F

COUNT

F1F 11)

COUNT F1F 11)

CONVERTER L

OCKED

F • F1F

IN

CREMENT

Fvco

BY

10 MHz

CO

UNT

F1F 1

2)

NO

COUNT

F1F

COUNT

F1F 11)

CO

UNT

FIF

(1

11)

)

CONVER

N• M

F• N·F

TER L

ULTIPLI

VCO ± FIF

OCKED

ER

Figure 4·3. Band 2 Converter Operation

4·4

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55800

33

The L.O. frequencies being used, except the so

only

IF frequencies

than 10 MHz, the restricted operating r signa

l, and

for

incrementing the VCO frequency.

Figure

4-4 shows the operating rang

I

nput

Fr

equency

Ran

F!N(MHz)

10. 190

185 - 345

ge

from

25 MHz to 185 MHz

es for

Frequency

Fvco(MH

ange

the various harmonics and VCO frequencies used.

vco

-

370

345 - 400 425

400 - 560

375

range

of direct

are

required. Since the co

provides margin for frequency modulation on the

count

ing ( < 190 MHz), h

unt

er can count

ave

been selected

sign

IF

z)

Harmonic

Num

ber

N

0

1

Frequency

Rang

F!F(MHz)

10 . 190

185 - 25

80 - 25

25 -

'

e

1R5

als less

input

560 - 610

725

610 -

825

725 -

825- 935

1035

935 -

1035 - 1164.8

425

375

425

375

425

489.9

Figur

e 4-4. Band 2 Operating

1

2

2 2

Ranges

13

5 - 185

140- 25

125- 25

75 - 185

18

85 -

5

55.2 - 185

4-5

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118/76

F

5

GH•I

(~

-

--

MI

YIG

FILTER

CRO

WAVE

~o2

1---1

L--

C 0 N V E R T E R

ASSEMBL Y I I

M

IXER

AS

S E M B L Y

A203

I I .

AMPLIFIER

L__

- V I

DE

AMPLIFIE

1---

_j

O I

~t------------

·--

l ,

-f>

en

YIG

DRIVER

.--1--:l

DIGITAL ANA

CONV

LOG ERTER

/

I:o::L

CO

NERATOA

G

MB

~

MICROPROCESS

TERFACE

IN

IIIII'

BUS

SYSTEM

---

I

Ill

4

00

500

MH1

c-

OR

POWER

AMPLIFIER

___J

_ _

T

C

vco

OU1

~T

I

-----

I

t

vco

DISTRIBUTION

BUFFER

!PART

OF

-~

vco

-

~

PHASE

LOCK

'"""~

VOLTAGE

-

ROLLLE

D

vco

REFERENCE

OUT

ClllATOR

J

A109

1

~

A

1M CONV ER TER CO

A201A

vco

~

NTR

OL

,.

I

TUNING

VOLTAGE

I

~

'

50

•Hz

.......

"

FREQUENCY

Fi

gure

4-5 Band

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3 Conv

ert

er, Simplified.

5580033

BAND 3 CONV

Measurement approximately 125 MHz. This quency which

can be

tainin g the accu

A Converter

selected in 50 kHz increments

simplified

Control assembly (A 1 08) and the Converter Assembly

ERTER

of a signa

is found

racy and stability of the counter's

rliagram

l in Band 3

by selec

of

the Band 3 converter

is

accomplished by

tin

g a VCO harmonic in t

acco

by

mpli

shed by

using a

microprocessor cont

time

is

shown in figure 4·

CONVERTER CONTROL A108

The Converter Converter frequency

A 108 also contains the programmable VCO phase lock inte

rf

ace

CONVERTER

The Converter assembly consists

Control assem

(A

203). A digital-to-

resolution f

selec

t any VCO frequency between

or setting

bly contains the inte rfa

analog

the YIG

A203

of

converter and a precision cur rent (YIG) driver provide a 2 MHz

filt

er

of

A202

400

and 5

thr

ee sub

assemblies

down

converting

mixing

the

1np

ut

signal with a known

he

range

of

400

to 5

rolled ph

base

reference.

5.

There are

(A203).

ce

between the microprocessor

.

contro

l system. This

00 MHz,

.

in increments

from

the microwave r

00 MHz. The VCO frequency

ase

lock system, while re·

two

major

assemblies. The

bus

system and the

system

lets the microprocessor

of

50 kHz.

ange

reference fre·

to

•

A201A,

• A201

•

A2

02 Microwave A

The

input

signal

electron

This

signals, making

frequency.

Whe

tied in the video am

The

case of

ically

tun

filter determines the approxima

it poss

n tuning th e YIG

outp

ut

of

the Video

multiple

input

B,

A202,

sse

(1

GHz - 18

able ban

ible to count a si

filt

pli

fier on t

signal

Voltage Controlled Oscillat

IF

Amplifier

Microwave A

mbly

contai

GHz/26.5

dpass

filter, with

er to the inpu t signal, the mixer

he

IF

amplifier

s,

th e video amplifier output determines wh ich

Assembly

ssemb

ns the

te freq

gna

assembly

is max

imum

ly (yig)

YIG filte GHz)

an

uency

l at one frequency even

.

or

(VCO) Assembly

r, mixer

passes

operat ing frequency pro

when the YIG filter is tun

of

and comb

thr

ough a

th e

is used

input

gene

rator.

YIG fil

ter

on A20

portion

al

signal, and filters o

if

a larger

as

an

RF detector, and its output

sig

ed

signal is

nal

to t

largest.

he input

2.

The fil t

to its tuning current.

ut

is

present at anoth er

er

is

an

any undesired

is ampl1

signal.

In

the

·

4-

7

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5580033

SEARCH

FOR

L-

__

_ S_I

G.,.

N_A_L

__ ~ See

Figure 4· 7.

DETERM

LAR

CENTER

ILTER

F

CA

NAND

FREQUENCY

DJU ST VCO

F

G

Count

AND

F • N

INE

GEST

SIGNA L

YIG ON

GNA

L

SI

LCULATE

VCO

so that

~ 125 MHz

IF

DIS

PLA

Y

FVC

O ± F IF

See Figure 4-

See Figure

See Figure 4- 1 0.

8.

4-9

NO

.

ADJUST FVCO

Figure 4·6. Band 3

NO

Operation,

Simplified

A

ND

FYIG

RESTORE

1

25

MHz

.

TO

FIF

~

See Figure 4-11 .

4-8

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5580033

On units equipped w1th the Power Measurement

ed

tn

stor

Once the YIG f (Fvcol of

The IF frequency produced in the mixer chain

OPERATION

Fir detected each

the signal

the attenuator mode to l

signa

lified

through Figure

the counter's memory. This allows absolute power calibration of the video ampl

ilter

is

tuned to t

are select

the mput signal

(A

1 06). Th e

st the Y IG

output

step the threshold detector

is

ook

l and begins to center the YIG

diagram

ed

to

produce

is

found

IF

threshold detector (A201 B) insures sufficient IF amplitude

filter

is stepped, (in 64 MHz steps), from its l

IS fed, through a microprocessor controlled step attenuator to a threshold detector.

determined. This

until

the

for

any larger signals.

of

Band 3 operation. For more detailed descriptions

4-11.

he

inpu t

signa

l, the appropri

an

IF freq uency (F I

by

using:

F

1 N N F V

is

amplified

is

checked. If triggered, the

is

done by stepping the filter back and forth through t

signal is

attenuated

Afte

r searching the entire frequency range,

filter

below

precisely on the

Option

(02), accurate frequency correction factors are

ate

harmon ic number (N) and VCO frequency

Fl

at approximately 125 MH

CO

± F IF

by

the high gain IF amplif1er and sent

ow

to hi

gh limits.

search

mode is halt

th e threshold. T

he

counter then returns

input freque

of

ncy. See

Band 3 operation

ifier output.

z.

An

approxima tion

to the

for

count

During this

ed

unt

he

it

Figure 4·6

search the RF

il

the

amplitude

signal and stepping

to

returns to the largest

see

count

accuracy.

After

of

the search

for

a simp·

Figures 4-7

centenng process consists of sl

The

of

3-6 dB below the peak

filt

er

up

by stepping the passband. Th

After

Fr

om

Fvco

Smce FYIG

the

IF in l 20 MHz Increments)

Once the VCO corrections

to count and disp lay the

is

the frequency which is

centering, N

this,

Fvco

is

recalculated using F

1s

only

step in opera t

in

is

determined from N =

is

calculat

approximately equal to FJN, t

ion

be

outside the IF passband

input

owly

stepping the YIG f

is

reached.

2 MHz steps. The

Thi

s frequency

used

is

stored and t

average

to

FY

of

the t

determine the N and

IG - 1

25

and then rounded up to the

500

ed

using

vco = FY

Fvco = FYIG

IG + 125.

· 125. Should th

N

he

IF frequency

is

a VCO frequency adjustment

is

achieved by counting F 1 F and changmg

(IF

threshold

are

taken

until

the signal falls Within the passband.

have

been made, the converter

frequency.

to

has

ilter

down

(in 2 MHz increments)

he

process

wo

frequencies obtained

will

shift

F1F

is

not triggered) then a

acquired the

Fvco

is

not

into

Fvco

is

·

yield

be

the middle

by ± F 1 F - 125.

signa

unti

repeated from the

is

exactly 125 MH

< 4

of

N

senes

l and the counter is ready

other

the center

highest integer.

00 MHz,

z.

TherP.fore,

the IF passband.

If

the er

of

steps (shifting

l a level

side

of

the

th en

ror

4-9

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5580033

Aft

er

each

measu

10 MHz, new frequencies

than method

provides rapid tracki ng

rement, the frequen

for

the Y IG and V

of

a signal bei

cy

of the IF is examined. If the in

CO

are calculated

ng

tuned.

PAT

T-

MIN

FYIJ:J-FLOW

INC

REMENT

FY

JG

64

MHZ

put

frequency

to

restore the IF to 125 MHz. This

has

shift

ed

more

Fi

gure 4-8 ,

NO

INCREMENT

FYIG

64 MHz

NO

EX

YIG

ATTE

Figure 4-

IT

CE

GOTO

N. CONT

TO

NTER

8.

.

Figure 4·7. Band 3

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Sea

rch

For

Signal

4-

10

5580033

PWR

ATTENUAT

+ JdB

OR

STEP YIG

DOWN

600

MHz*

YES

PWR

ATTENUAT

•

6d8

OR

YES

Y

ES

NO

STEP

UP

YIG

600 MHz *

ST

EP YIG DOWN

600

MH

z *

STORE

ATTENUATOR

SETTING

YIG FRED

YIG UP

STEP

100

MHz

SET

SIG. PRE

F

igu

re

4·8. Determine Larges

.

S.

4-11

STEP YIG

100 MHz

* YIG W

L

OW

FREQUENCY

IS CLOSEST.

t Signal

UP

EX

ILL

STEP BACK 600 MHz, OR TO THE

LIMIT,

WHICHEVER

YES

IT

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5580033

STORE

Fv

tG (TOP)

STEP

YIG DOWN

60

MHZ

FytG

•

FToP + FeoT.

2

NO

YIG

STEP

DOWN

2 MHz

STEP

UP

2

MH

RESET SIG

PR

ESE

Z

SIG

NAL

NT FLAG

YES

RESET

PRESE

FLAG

NT

Figure 4·9.

YIG Centering

4-

12

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5580033

N .

F

__!:9.

500

FROM BAND

2

TRACK

ING

Figure 4·11.

NROUND

N

EXT

HIGHER

INT

EGER

N

ROUND

SET

v

co

FREQUENCY

•

Fvco

YES

. FL0+250M

NROUND

CHANGE ± SIGN

Hz

FLO

STORE

Figure 4·10. Calculate

; ± SIGN

Nand

VCO

Frequency

4-

13

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5580033

/:}.

F •

FIF -125

MHz

I

FY

IG N

EW

•

FYIG

OLD+

6,

F

I

FLO

NEW •

FLO

OLD+

/:}.F

J

c

~X

IT

TO

CA

Figure 4-11. Band 3 Signal Track i

VCO,N

LCUL

ATION

Figure 4-10

ng

4-14

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I I

5580033-

Section

Maintenance

and

This section contains information about your counter and instructions for performing maintenance and service.

MAINTENANCE

FUSE REPLACEMENT

The Model 545A/548A Microwave Counter uses one fuse; it IS located on the rear panel next to the voltage select switch.

o For

o For The voltage select switch should be set

100/120 Vac operation use a 1 220/240 Vac operation use a 0.50- A slow-blow

.0-A

slow-blow MOL-type fuse.

to

the proper line voltage.

FST

-type

fuse.

Service

5

WARNING

Be sure

1.

With a flat-edged screw driver, rotate the voltage select switch until the arrow points to the desired line voltage.

2. Change to a fuse with the value specified

Only fuses specified short-circuited or

Always be sure correspond

may be damaged.

AIR CIRCULATION

Air circulates through the vents

or

obstructed stability and shorten component life.

the temperature inside the counter may increase enough to reduce counter

fire

the

counter

with

type

hazard.

to

is

disconnected

WARNING

the

required rated

should

fuse

the

be used. Do

holders.

that

the voltage

ac

power Input voltage,

in

the rear panel of the counter. These vents must not be

To

CAUTION

from

the

power

for

the line voltage selected.

current,

not

use repaired fuses

do

so

could

select

voltage, and

cause a

switch Is set

or

the

line.

or

shock

to

counter

)

PERIODIC MAINTENANCE

No

periodic maintenance is required.

counter be recalibrated every six months.

If

the following assemblies are repaired

proper operation.

Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com

To

maintain accuracy, it

or

replaced, the counter may require recalibration for

5-1

is

recommended that the

I

5580033

This section

maintenance and service.

conta

ins information about your

MAINTENANCE

FUSE REPLACEMENT

Mi

The Model 545A/548A

vo

to the o For o For

The voltage select switc h should be

ltage select switch.

1001120 Vac operation use a 1 220/240 Vac

Be

crowave Counter uses one fuse ; it is located on the

operat

sure the

ion use a

counter

.0-A

0.50

- A slow- blow

set

to the

WARNING

is

disconnected

counter

slow-blow MOL-type

prope

and instructions f

FST

-ty

pe

r line voltage .

from the

power

Section

5

Maintenance

and

fuse.

Service

or

rear

line.

performing

panel next

fl

1 . With a

the

2. Change to a fuse with the value specified for

AIR CIRCULATI Air circulates through the vents in the

obstruc stability and shorten

PER

IODIC MAINTEN A

No periodic maintenance is required. To maintain

er

coun t

at-edged

desired line voltage.

Only fuses with specif short-circuit or

Always be co may be damaged.

ON

ted or

the tempe

be recalibrated

screw

ied ty

fire haza

rrespo

nd

component

NCE

every

driver. rotate th e voltage select switch until the arrow points to

WARNING

the

requ

ired rated

pe should

ed fuse

rd.

sure that the

to the ac power

rature inside the count

six months.

be

holders. To

rear

life.

used. Do

do

CAUTI

ON

voltage sel

input voltage,

panel of the counter. These vents must not

er

the

line voltage selected.

current, volt

not

use

repa

so

could

ect

swi

may increase enough

acc

uracy, it is

age, and

ired fu

cause a

tch is

or

the

ses

shock

set

count

recommended

or

to er

to

reduce count

be

er

that the

If

the following assemblies are repaired

proper

operation.

Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com

or

replaced, the counter

5- 1

may

require recalibration f

or

5580033

o Power Supply (A 101) o Gate Generator (A 1

o

Co

nverter Control (A 1 08)

o Microwave Converter (A 1 02)

should be taken when removing any assemblies to prevent

Care

cables.

Do converter Opening the sealed warra

represe

not

nty

07)

attempt

(A203}

on

ntativ

e.

the

repair

or

Time

covers

counter.

CAUTION

or

disassemb

Base

Oscillator

of

Contact

the

ly

se

assemblie

EIP

SERVICE

DI

SASSEMBLY, REPAIR, REPLACEMENT, AND REASSEMBLY

GENERAL INSTRUCTIONS

To

perform

will

need

be

removed

is held

repairs

to

open the

by loosening

in

place to t

on

the 545A/548A printed circui t boards listed in

counter

he

bottom

by

removing

the

six screws that

of

the frame by four screws.

the top

secure

and/or bottom

it to the cou

damage

of

the

Microwa

(A204)assemblies

s v

oids the

or

your

nter

sales

the

procedures bel

covers.

frame. The

to

components

ve

.

The t

op

bottom

ow,

cover

or

you

may

cover

Refer to Figure parts and assemblies

these

procedures reference identified by their the

cables themselves. The format in which

101

J 1 is used throughout this

A

101 POW

A Disassembly

1. To

op

t te

coun ter over and take off the

bottom

2. With the

the Main Int

des

ER

rem

ove the A 1

cover

5-1,

Counter

are keyed

ignat

ors

EIP

part numbe

Be

fore pr

co

unt

er is disconnec

as

high

DEATH may result

SUPPLY

by removing the six screws that secure it

to

counter

erconnec

Assembly Locations.

desc

ribed in this

to

the numbers in Figure 5-1. Cables

(W-)

so th at th

rs

procedure.

ocee

ding

as 230 Vac m ay exist

01

board, both t

the

frame.

still up side down, unscrew the four screws that hold the A

t board (A

on

page

5-9,

proced

ey can

(2040XXX-0

with any

ted

from contact with these

op

bottom

11

0).

ure. Numbers r

be

located

1)

beca

socket

WARNING

furth

er disa

from the ac

in the

and

cover

count

bottom

by loosening t

in

use th ese part n

J1

on

sse

pow

er

er.

covers

for

the

names

eferred

Figure 5-1. Cables are fur

the A101

mbly

source

Serious inju

pot

must

to

the

to

are

baord

, be sure the

. Voltag

entials.

be removed.

count

he

four screws that hold the

and locations

in brackets [ ] in

referred

mbe

es

ry

or

er

frame [1].

rs

are

is r

eferred

Take off the

101

to

print

by

their

ther

ed

to as

Turn

board

of

on

to

5-2

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5580033

3. Return the counter connec

4. Lift the board extractors (2] away from the the card guides [3) and remove the board

Reassembly

1. To reassemble, thread the board into the card guides [3), and

inch.

2. Attach the

Press the board down the rest

2.

3. Flip the board extractors [2] down Screw

4. board from

A 102 (OPTION 08, GPIB)

If

your

will be present in the A Disassembly

tor

attached

connector

in the four screws that attach the A 101 board to

the

instrument is equipped with Option 08,

to

for the

bottom.

102 slot.

the upright position. Discon nect

the

W6

cable fr

W6

of

om

the transformer (T1).

center

fr

om

cable to A101J1.

the way until

to

lock

it

the board into

GPIB

programming capabili ty, the

of the board to unlock the board from

the cou

is seated.

from

nte

pos

the

r.

ition.

J 1

on

pre

Main I

the A 1

ss it down

nterconnect

01

board the

GPIB

about

(A 1 00)

board

an

ex

1 . Lift the board

card guide

2.

Slide the board up and

Reassembly

1. To

2. 105 MICROPROCESSOR

A Disassembly

1 . Lift the board extractors [2) away from the

2.

Reasse

1. To reassemble, thread the board into the card guides

2.

reassemb

seated.

Flip the board extractors [

card

guide.

Slide the board up and remove from the counter.

mbly

seated.

Flip the board extractors [2] down

tractors [2] away

(3].

remo

le, thread the board into the

2]

from

the cent

ve from the counter.

down to l

ock

to

lock the board Into posi tion.

er

card

guides [3] , and press it down until it is

the board into position.

center

of

the A 1 05 board to unlo

the A 102 board to unlock it

ck

it

[3).

and press it down until it

from

the

is

106 COUNT CHAIN

A

Di

sasse

mbly

1 .

Li

ft the board extractors [2] away

guide.

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from

5-3

the

center

of the board

to

unl

ock

it from

the

card

5580033

2. Slide the board up about an inch until the cables can from

3. Disconnect

4. Disconnect

he

5. Lift t

Reassembly

1. To reassemble, thread the board into the

2. Reconnect cable

3. Reconnect

4. Press the Flip the

5.

A107 GATE GENERATOR

Disassembly

Lift the board extractors [2] away

guide.

board

A106J1 the connector

from

A 1 06J2 the connect

up

and out of the instrument.

2040210-01

cable

2040172-01 to A 1 06J2.

the rest

extractors [

of

to

the way down until it is seated.

2)

down to lock the board into position.

for the W15 cable (204021

or

for the W14

card

guides

A106J1.

from

the

center

of

be

disconnected.

0-0

1) from A109J5.

cable

(2040 1

(3],

the board to unlock it fr

72-0

1) from A201 J1.

and lower it about an inch.

om

the

ca rd

Slide the board

2.

3. Disconnect

4. Disconnect fr

5.

If

your instrument is equipped with Option

from

A 1 07J2

base

oscillator and J6 (not shown) on the Main Interconnect

6.

Lift the

Reassembly

1. To reassemble,

2. R

3. Reconnect

4. Reconnect

5. Press the board the rest of the way down until it is seated.

6.

A 108 CONVERTER CONTROL (BAND 3)

econnec

Flip the

board

up

until the cables can

from

A107J1 the connec

om

A107J3 the connector

the

connector

up

and out of the instrument.

thr

ead the board into the

t cable 2040173-01 to A107J1.

cab

le 2040227-0 1

cable

2040179-01 (if present) to A107J2.

extractors [2] down to lock the board into position.

for the W30 cable (2040179-01) from A 114, the optional time

to

A107J3.

tor

be

disconnected.

for

the

wa

cable (2040173-01) from A201J4.

for

the cable (2040227-01) from A108J3.

03/04/05,

card

guides

Time Base Oscillator, disconnect

[3],

(A 1 00) board) .

and lowe r it about an inch.

Disassembly

1. Lift the guide.

2.

Slide the

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board

extractors [2] away f

board

up abou t an inch until the

rom

5- 4

the center

cab

les can

of

the board to unlock it from

be

disconnected.

the card

5580033

3. Disconne

4. Disconnect

5. Disconn Lilt the board

6.

ct

ect fr

from

A 1 08J 1 the connector for the W6

from

A108J2 the connector

om

A108J3 the connector f

up

and out of the instrument.

Reassembly

1. To reassemble, thread the board into the

2.

Reconnect cable 2040208-01 to A 1 08J 1 .

3. Reconnect

4. Reconnect

5. Press the board the rest

6.

Flip the b

A 109 BAND 2 CONVERTER

cable 2040174-01 to A108J2. cable 2040227-

oar

d extr

actors

01

to A 1 08J3.

of

the way down until it is seated.

(2] down

to

lock the board into position.

Cisassembly 1 . Lift the board extractors [2] away

from

the

guide (3] .

cab

le (2040208-01) from A 1 09J3.

for

the W9 cable (2040174-01)

or

the cable (2040227 - 01)

card

guides

center

of the

(3],

and lower it about an in ch.

boa

rd

to unlock it from the

from

A201J3.

A107J3.

card

Lilt

2.

3.

4. Disconn

5. Disconnect from A 1

6. Disconnect

7. Disconnect from A 1

off clip ( 1 0] that is attached to card Slide the board up about an inch until the cables can Disconnect fr

2 input on the front

1 input on the

om

A109J1 the

ect

from A109J3 the

from

A109J5 the

front panel).

connector

connector for

09J4 the conn

panel

).

connector for

09J6 the

connector

ector

cage

edge

from

for

the W17 cable (2040175-01) from

the W16 cable (2040208-01)

for

the W11 cable (2040166-01) f

the W15 cable (2040210-01) from A106J1.

for the

W1

0 cable (2040165-01)

8. If the instrument is a 548A equipped with option 06,

9.

disconne Option

Lilt

ct

from

A 1 09J2 the connec t

06

(Band 4 Converter) assembly.

or lor

the board up and out of the instrument.

the W27 cable (2040213-01) from

Reassembly

1. To reassemble, thread

the

board into the card

guides [3] , and lower it about an inch.

A 109 board.

be

disconnected.

rom

from

Ext

ended Frequency (Band

A201J2.

from

A108J1.

J112 (Band

J111 (Band

P1

4),

on the

2.

Reconnect cable 2040175-

3. Reconnec t

cable 2040208-01 to A 1 09J3.

01

to A 1 09J 1 .

4. Recon nect cable 2040166-01 to A109J4.

5-5

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5580033

5. Reconnect

6. Reconnect If present, r

7.

8.

Press the board the rest of the way down until it is seated.

9. Flip the board extractors (2] down to l

111

FRONT PANEL LOGIC

A

cab

le 204021 0-

cab

le 2040165-

econnect cab

01

to A 1 09J5.

01

to A109J6.

le 204021

3-0

1 to A109J2.

ock

the board into position.

Disassembly

1. With top to front edge

2. Remove two

over

board) to front

3. With the

cover

off,

remove two

screws [8] holding front bl

of counter frame.

more

screws [ 9] that hold front panel assembly (consis ting of front

lay [5] , Front Panel Display and Keyboa rd A 110 board, and Front Panel Logic A 111

edge

of

frame.

bottom

cover

off, remove

four

screws (in positions corresponding to the top

screws) that hold front panel assembly to bottom of front edge

4. Loosen eight screws [6] (two on two

on

bottom

of

right corner post and two on

top

of

right corner

bottom

panel board to side panels.

post,

of

ack

bracket (5210235- 01) [4]

of

two on top

left

corner

cou nter

of

post) that hold front

left

frame.

corner

panel

post,

Pull side pane ls [7] apart slightly and pull boards forward and free of side pa nels so that

5. cable

connectors can

6. Disconnec t from

bracket

7. Discon

[8] .

nect from A 111J4 the W20 cable (2040168-00) from

be

disengaged.

A1

1J5 the W19

cab

le (20401

68-01)

from transist

R1

01 (Sample/Hold control)

or U14 on

on front pane l.

8. Di

9. Disconn

10. Disconn

sconnect

ect

from

J6A 109 and W11

stay

with the A

ect

I

nterconnect

W1 cable (2010189-01)

at A 1

111

from

09/Band

board

A 1

2 Convert

cable

(2040 166- 01) for Band 2

.

11

P2

the W7 cable (2040169-0 1) fr

board).

from

power swit

er board

ch

assembly (S101} on front panel.

end

W1 0 cable (2040165-01)

from

J4A 109. These cables

om

for

J1 on A 100 (Main

11. If instrument is a 548A equipped with Option 06, extended frequency, disconnect

Band

4 Converter

(2040232-01) f

end

the W28

rom

J2A204. These cables

cable

(2040231

must

-0

stay

1) fr

om

J 1 A204 and the W29 cable

with the A

111

board.

A110 FRONT PANEL DISPLAY AND KEYBOARD To gain access to the A

separate the Front

110 (Front panel Display and Keyboa rd) board, it is

Panel Logic (A 111)

board from the Front Panel Display (A

necessary

11

0) boa r

suppor

Band 1

must

at

A204

to

d.

t

1. Unscrew the eight screws (four on the u the A

110 and A 111 boards and the front panel overlay togeth

the front pane l.

5- 6

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pper

edge and four on the lower edge) that hold

er

and lift the boards f

rom

5580033

2. Then unscrew a ninth holds the A 11 0 and A 1

3.

Gently separate the two boards.

Reassembly of A 110 to A 111

1. To

2.

3.

Reassembly

1.

2. Reconnect

3. Reattach W19

4. Reconnect W1

reassemble Front Panel Logic (A 111)

(A

11 0) board and fro

from

the count Secure Secu

with

re both boards

on lower

of A 11

To

reassemble front panel assembly to counter, posi tion t

outside

of its n

er.

screw

edge).

0, A 1

ormal

nt

at

center

to

11

, and F rant Panel Overlay to Counter

posit1on

W20 cable 20401342-01 to A 111 J4.

cable 20401

cable2040167-01 toS

screw

(about halfway down

11

boards toge ther.

on

board to Fro

the left side of the boards) that

nt

Panel Display and Keyboard

panel overlay, replace A 111 on A 110 as it was when

of

left edge of both boards.

front panel overlay with eight screws (four on

he

in

the counter

so

that the cables can

upper

front panel assembly just

be

reattached.

68-01 to A 111 JS.

101.

edge

removed

and four

5.

Reconnect W10 cable 2040165-01 to A109J6.

6.

Reconnect W

7.

Reconnec t

8.

If

the instrument is a 548A with Option 06, recon n

cable

(2040232-01) fr

9. Spread the side panels [7) slightly to allow proper

10. Tighten the two screws [6) t

op

of the right corner post and t

11

W7

posi tion.

cable 2040166 -

cable

2040169-01 to

om

Band 4 Converter to A 111

on

01

the t

he

op

to A111J1.

A100J1 .

the

of the

two screws

posts that hold the front panel boards to the side panels.

1 1.

Secure keyboard board and front

screws

Secure

12.

13. Secure front panel assembly to positions

front panel assembly (consisting of front panel overlay, front panel disp lay and

panel logic board)

[9

).

black bracket [4) (5210235-01) to front panel assembly with two screws

co

rresponding to screws

bottom

of front edge of counter frame with four screws in

in

top of f

rame.

FACTOR Y SERVICE

ect

W28

cable

J1

and A 1

front panel assembly

left

corner

eac

to top

post, the two screws [6) on the

h on the bottom

of front

(2040231-01) and W29

11

J2 respectively.

to

be

inserted in Its

edge

right and l

of

frame

eft

corne

with two

[8].

r

If the

counter

following Information with t

Section

is be ing retu rned

2.

to

he

shipmen t. P

1. Name and address of owner.

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EIP for

service

ack

5-7

or

repair, be sure

the count

er

for shipping

to

include

to

per

ins tructions

include the

in

5580033

2. Model and

3. Comple te description What was the sign

complete

al

serial numb

of

the problem (Under what conditions did the problem occur?

er

of counter.

level? What equipment was attached or connected to the counter?

Did that equipment experience failure symptoms?) .

4. Name and telephone contacted

by

EIP

5. Shipping address to which the

number

for

further information. if necessary.

of

someone familiar with the probl

counter

is

to be returned. Include any special shipping

instructions.

FIELD SERVICE

EIP

has an assembly exchange program. A

ll

plug-in assemblies, modules, and the front panel

assembly may be exchanged.

call

After you have identifed a faulty assembly,

information. A

replaceme

nt can be shipped within

EIP

replacement assembly, return the faulty assembly

em

who may be

with the assembly 24

hours. After you have received the

to

EIP

for credit.

number

and shipping

5-8

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5580033

FRONT

ASSE

0 0

0

0 0 0 0

00/

0 0

00

PANEL

MBL

'-

CORNER

Y

1,

V

POST,

FRONT

BRACKET

SCREW

(8)

FRO

NT PANEL OVERLAY(S)

SIDE

PANEL(7)

(

MAIN

A100

INTERCONNECT)

COVER

SCREW

HOLE[ 1)

CORNER POST, REAR

REAR PANEL

ASSEMBLY

c=:l c=:l c=:l

0

I II II I

0

I

0

I

0

88

00

II

00

II II I

00

8

0

I

0

PO

0

€}

'-

0

(4

)

J4

, J S

S2

e A

•

0

@::>

c=:l

I

0

!

oe

I I

0 0

I I

0

I I

0 0

I I

I

:

I

1:::::1

e

I I

o o 0

I I

! i

C:l

••

~

Figure

5- 1.

Counter

5-9

Assembly

Location

(1)

s

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5580033

This

section

•

Signature

• Self diagnostics

•

Keyboard

The

procedures

SIGNATURE

Signat to

reduce

The

start ment lyzer. This

be

compared

correct.

is

ure

analysis is a

any

and

window

information

The

defines

analysis

controlled

and

ANALYSIS

data

stop

occurs

to

a reference signature,

counte

troubleshooting

circuit tes ts

tab

les are provided

technique

pattern

to

inputs

define

on

the

clock

is

used

r implements signature analysis in either a free

used

a 4 char

the

input,

to

generate

aids

that

are incorpor

for troubleshoo

to

troub

lesh

acter

alpha-numeric wo

measureme nt window. Each

the probe

a signat

taken

from a known good

ated

ting

to

oot

complex

rd.

is

samp

led,

ure unique

Section

Troubleshooting

in

the !545A/548A

a functional ci r

logic circui

tim

e a transition

and

the

logic level

to that

data string.

product,

running

counter. They are:

cuit

leve

l.

try. It

uses

with

is

shifted

That

to

determ

ine if

or

program

data

compression

in

the

into

signature

the

data

controlled

measure·

the ana-

can

manner.

6

then

string

FREE RUNNING

This

mode

of

signature analysis from running. A CLRB in soc ket A 1 ins l

ocation. Th

everything

bus system

truction

05

E2, effectively

(such

as

is

causes

on

the

add

can

be

probed

NOP

the

ress bus as it does.

is

essential for troubl

struction

"free

or CLRB) on

microprocessor to

for

can

be forced by breaking

running"

bad signatures.

eshooti

ng

problems

the

data

bus

the

microprocessor. "Free

the data bus, which the micropro

con

tinually

By str

ategically placing the s

cyc

le

through

running"

its

tart

and

that

could

preven t

at

A105

E1

and

means forcing a simp

cessor sees

entire

stop

at

address range, accessing

connectio

the

program

placing it in

every a

ddr

ns the entire

le

ess

6-1

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5580033

CONNECTIONS

BUTTONS

LINE

AO

(P1 Pin A 1 (P1 Pin 54) A2 (P1 Pin 53) A3 (P1 Pin 51)

A4

(P A5

(P1 A6

(P1 A7

(P1 A8

(P1 A9

(P1 A10 A

11 A12 A13(P A14 (P1 Pin 40) A15

U3

U5 Pin 8 TP6

TP7

TP8 TP9

54)

1 Pin 50)

Pin 49)

Pin 48) Pin 47) Pin 46)

Pin 45)

(Pl Pin 44) (Pl Pin 43) (P1

Pin 42)

1 Pi

n41)

(P1

Pin 39)

7

START

A105

TP4

IN

SIGNATURE

uuuu

FFFF

8484

P763

1U

5P

0356

U759 6F9A 7791 6321

37C5 6U28 4FCA 4868 9

UP1

00001 76AC

0000 854F

PACH 755F 755H

STOP

105 TP4

A

IN

LINE

CLOCK

105 TP3

A

IN

SIGNATUR

E

US

19

U9

Pin 18

U10

18 U17 Pin 1 U17 Pin 2

+ 5V

0003,

•

Due

to

the synchronous qualities

the logic probe wi

as

the ungat

phase

ed

signa

2 0003 •

ll

be flashi

l.

U3P7 0003 0003 9F14 9F17

of

the signature analyzer, ph

ng.

Lik

ewise,

any

Figure 6-1. Micro

thi

ng

gated

pr

ocessor Free

6-2

ase 2 will

with

phase

Running Signatur

read the

2 may have the

same

es

as+

same

5V

sig

nature

but

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5580033

PROGRAM

If

the can be used. In are

controll

the hardware

SELF

At

turn. on,

the asso the

tests it

the

counter

The

necessary

get

a signature.

CONTROLLED

counter

ed

outs

DIAGNOSTICS

the

ciated

then

fails any

counter

CONNECTION BUTTONS

generates

to

turn

is

work

ing suffic

program

by

software. This

ide

the

counter

decod

ing circuitry.

ente

rs the n

of

the

iently

controlled

allows

bus

system.

performs

ormal operating

the

PROM checks,

PROM

power

error

off,

START A106

TP5

OUT

to

access

the

signature ana lysis

the

signature anal

several

The

and

inte

rnal diagnos

display shows dashes

mode. If

an

error

signatur

then

es only

on

STOP CLOCK

A106TP5

t

PROBLEM

test

functions,

the

start

yzer

tic

it fails RAM check, the display will

message will be displayed. Please refe r to Fig

during the

again, while

IN

.j.

and

to

be

checks, ch

during

the

ERROR

program con

stop

(and therefore the

used, in ma

eck

these checks.

power

signat

A

105

ure

TPS

IN

up

.j.

trolled signa

ny

cases,

to

ing the RAM, PROM,

If

the

counter

show

diagnostics

analyzer

I

'

is conn

PROBE

.A1

05

I

SIGNATURE

ture

analysis

signature)

troubleshoot

and

passes

all

E~.

ure

6-2.

check. It

ect

ed,

TP6

(+5V)

·If

is

to

R

am

Bad

10

5 U 1 1 (Basic Program) Bad

A

A105

U12

A 1

05 U 13

(Basic Program) Bad (Basic Program) Bad

Figure 6-2. Self Diagnostic Error I

All E's

31 32 33

ndications

6-3

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5580033

KEYBOARD CONTROLLED CIRCUIT TESTS

Th

ere are

and

03, 04, 06, 07, 11) ca n be

selected. Tests which use

a

ny key not used

normal operat ion.

tests

11

keyboa

rd

controlled circuit

then the two digit test

by the test. All tests

Some tests re

the

keyboard

is defined in figure 6-3.

numb

exited

the

keyboard

test s (01

er. Te sts which d o not re

by

pressing

in their op

can

quir

e h

exide

thru 11

any

key. The

era tion (tests 05, 08, 09, 10) can be exited

be exi ted by

cimal

coded

). A

ll

tests are accessed

quire keyboard

counter will

CLEAR

pre

ssi

ng 0 .

DISPLAY

keyboard

inpu

1:)1

lo

FREQ

lEI

offset

10

inputs to

exit the test a

The

ts

(tests

ol

LIMIT

FREQ

~

low

hlnh GHz

by

pressing 0

function (tests nd

enter the functions

cou

nter

will return

08, 09, 10). F

MH~

..

...

UNITS

•

..

TEST

by

01, 02,

pressing

or

tho

A

8

to

se

on/off

~

•••

offse

POWER M£T£R I·

t dB

DAC

I

F

KEY HEX EOUIV. KEY

0

1

2

3

4

5

6

7

8

0

1

2

3

4

5 6

7

8 C

n

I•

•I

•

lu al

111!11

E D

9

MHz

GHz

CLR DATA c

•

+I-

RESET

LA

DISPLAY

..

DISPLAY

HEX

CLEAR

•

9

A

B

D E F EXI

EOUIV.

TS

TEST

c

Figure 6-3.

Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com

Keybo

ard Configurati o n For Tests Requiring Hexadecimal

6-4

Input

s.

5580033

START

CO

NNECTION

BUTTONS

BUTTON

Reset Power Meter ON/ Power Meter Offset dB DAC 7 8 42 9 43 MHz 4 31

OFF

5

6 GHz 1 2 3 C

LR

DATA

+I-

0

•

CLR

DISPLAY

OUT

t IN

A106 TP5 A106 T

COORDINATES

47 46 36 16 26 41

44

32 33 34 21 22 23 24 1 1 12 13 EXIT

STOP CLOCK

~

P5

TEST

A 105 TP8 A105 TP6 (+5V)

IN

~

PROBE

SIGNATURE

U68C U7

HA

20P6

U2F9

81

1P

A19C

PU

66 CCH7 U5PU PUPH UC70 HF3A OPA2 APH1 C45H 1766 H9C8

375U

H

7PC

UAHH

C75U

F

igure 6-4. Keyboard Test Coordinat

6-5

Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com

es

and

Signatu re

s.

5580033

TESTS

01

200

output

generator

02

S's Test display is lit,

MHz Sel f

Test

from the divider. It

.

Th

is

will light all

the

intensity

This

test sets

checks the coun t chain,

LED 's,

of the displa

the

annun

y,

VCO

icators,

and

to

400 MHz, div i

VCO and

and

deci

the

alignment

des

VCO

mal poin

o f

the LED

it

by two, and

phase

lock

ts. It checks

's

and annunciato rs.

counts

circuit

that

the

200

ry,

and the ga te

everything

on

MHL

the

03 Dis

04 D

05

06

play Segme

through

segment

en

tly.

isplay all d igits and

digit

Keyboard Test unique

be

entered to enter the keyboa enter the decode

Converter

in 2 MHz (LSB)

6-5 ).

all

segmen

o f the

Digit Test

and

annuncia

driver ind

signa

ture

by

test

circuitry.

Ramp

It

can

be

nt

Test

ts. The

display

Thi

ependen

Th

for

each

keyboard

rd test for

in a norm

The

coordinates

Test Test

steps.

used

to

This lights

cyc

, s

egment

s lights one

tors. T

tly,

is will

key,

or

al

manner. Test

It also

test

the y ig DAC, yig drivers, yig,

one

segmen

le r

ate can be

drivers and

enti

re

he

cycle rate

and

verifies

dis

play

so the

by

momentarily tying

troubleshooting

and signatur

06 continu

generate

the

coordina

keyboard

05 chec

ously

s a

operation

is

t of each

adjusted

display multiplexer

dig

it,

determined

even

ks the

es

for

ramps the

signature

digit,

with the sample

and

its decimal

by

of the display

tes

of

each key

can

be

checked without the

A108

if

the keyboa

keyboard, key

each key

for each

and

one annunciator at

rate

ope

rate p

point, at a time

the sample

TP1

to

are sh

Band 3 Converter

of the inputs

Band 3 RF

rate pot.

multiplexer.

as it

is

pressed. It

A 1

05

TP6.

rd is n

ot

board interrupt,

own

in

level ci r

pot.

It verifies that

rop

erly and i

. It cycles

It c

display

This makes

opera

ting well

fig

ure

6-4.

DAC from 0 to

the

cuits

a ti

me,

ndepend·

hecks each

also

generates

. T

est

it

enough to

and keyboard

to

DAC.

(See

.

cycling

each

thr

ough

digit

05

may

poss

ible

27 GHz,

figure

a

CONNECT

NODE

A108 U4 Pin 2 A108 U4 Pin 3 A 1

08

U4 Pin 4

A108

U4 Pin 5

A 108 U4 P A 108 U4 Pin 7 A 1

08

in

U4 Pin 8

+

5V

6

IONS

BUTTON

SIGNATURE

Fig

ure

S

9U78 9946 8F62 89U9 833F

U9CC

FCA6

49P4

6-5.

START

A106

OUT

Co

nverter

TP5

t

6·6

Ramp

STOP

A1

06

TP5

IN

l-

NODE

A 1

08

A 1

08

A 1

08

A1

08U4Pin12

A 1

08

A 1

08

A 1

08

Test Signa

U4 Pin 9 U4 P

in

10

U4

Pin 11

U4 Pin 13 U4 Pm

14

U4 P

in

1 5

tu res

CLOCK

A105

IN

TP8

~

S

IGNATURE

7763

HP8A

P45A 80A8 77

U6

72

45

28U9

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5580033

07 VCO Test This

The

cycle

rate

08

Power

Meter

Offset

The

setting

to

program

enables

the

power

09

Power ber.

The

1st

digit

2nd

digit

3rd

digit

4th

digit

5th

digit

5th

digit

Digit 5

Test

09

1\l

Information Read/Alter

is

RAM

(see figure 6-5). When

address.

is

entered

the

power

meter circuit.

Meter Gain

numb

er

bit

0

bit

1

is

a 2

bit

checks

the

or

1/

0,

The

contents

test

can

be

course

meter

Test

is

number,

R F level

change

cycles

the

VCO frequ ency

adjust

ed

by

the

samp

Test

This make

as a

four

offset

DAC, and

zero

DAC

This

makes

enter

ed as a five digit hexidecimal

A 1

07

U 1 0

07 U 10

A 1 A107

U12 bits 4-7 (Power Meter

107 U 12

A Sets

Amp

Sets

Amp

so

any

and

Routine Test

its

contents. The

the

4th

are

then

cha

s it possible

digit

hexidecimal

the last

to

be

tested,

it possib le

bits

4-7

bit

s 0-3

bits

0-3

(Power marked "15 mark

ed

"30

number

power

digit

nged by entering a

meter

10

is

entered

ente

desir

from

400

to

le

rate

pot.

07

tests

to

set

the

power number two

and

to

Meter

dB

Gain"

dB

Gain"

red

for

circuits.

can

read any microprocessor

ed

address

the

(figure 6-5).

digits

program the fine

can provide a

set

the

power

number

Option only) Option only)

to

high gain

to

high gain

digit 5 w

is

entered counter will two

digit hexidecimal

500 MHz, in

the

VCO and

met

DC

meter

(figure 6-5) in the following

ill

be

justified

as a 4 digit hexidecimal n

display

increments

the

er

zero

The

first

offset

level signal

sensing

to a numbe

address

the

conten

number.

phase lock

DAC

to

two

digits

DAC.

to

aid in

circuit

to any

and,

if

ts

of

any

r from 0-3.

that

the

50

circu

setting.

are

Test

test

num-

format.

add

umber

desired

kHz.

itry

used

08

ing

ress

.

11

Test

11 for the DAC

Te

st

10

the

counter, including l

tial

to the

the

wrong permanent tion.

To

turn the

optio

n 01

is

can

change any

operation

location will

ly,

but

return

the count

counter

described

it

off

NOTE

ocations

of the

not

can

cause

er

then

in

Sect

temporary

that

counter.

damage the

improp

to

prop

back

on.

ion 10.

storage

are

Changing

counter

er

operation

essen-

opera

in

-

6-7

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5580033

SIGNIFICANT ADDRESSES, 1/0 PORTS

If

an

1

/0

b

it

is conf

igured

as

an

output, the number read by test grammed. on co

rrespond to the number programmed

If

an

1/0 bit

the 1/0 line. Th erefor

is

configured

e,

if

an

as

an

1/0 p

ort is programm

because

input, the number read by test 10

some

10

will

be

the

same

will be

ed,

and then read, the number display

bits

of the 1/0

port

may

be configured

number that

the inp

ut

sig

ed

is

pro

nal level

may not

as

inputs.

·

DESCRIPTION ADDRESS OF

PA PORTS

PIA

on Count Chain (A 106)

PIA

on Gate Generator (A107)

Fr

eque

ncy Control

Control Programmable Count

Converter PIA PI PI PIA on

(A

108)

Co

on Band 2 Converter

A on

Front

A on BCD/Remote

DAC

PIA

ntr

ol

(A

Pan

el Logic

Board (A103)

on Converter

er

PIA

on

1 08)

(A

109)

(A

111)

(A

1 02)

DESCRIPTION ADDRESS

GP

IB Address Switch

Figure 6·6. 1

2C

OO

1900

1840

1820

880

1 1808

9AOO A820 A822

/0

Addres

ses.

1C04

ADDRESS

PB

PORTS

2C02 1902

1842

1822 1882 180A

9A02

OF

6·8

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5580033

Two

important

quency control (a

To co

nv

ert

1/0

from the desired yig frequency

port

locations are the yig frequency co

ddr

ess

1820, 1822) .

to

the

PIA

ntr

program

ol (a

numb

ddr

ess

er:

1840, 1

842)

and

the VCO fre·

1. Round the d

2.

Divide the desired frequen

3. Convert F/2

4. The

To

1.

2.

3.

4.

5.

6.

two

are programmed

convert

Round the desired frequency (The resol

Multip

If the r

Multiply only

Add

Convert the result

esired frequency to a

from

most

sig

nifi

to

from

the desired VCO frequency

ution

of the VCO frequency

ly the desired frequency (in MHz)

esu

lt

contains

the fractional

th e resu

lt

to

the most significant

decima l

cant

digits are

addr

ess

no

fractional part,

to

hexidecimal

cy

in MHz

to

hexidecimal.

1840.

to a mult

part

by 16 ....

.....................

multiple of

by 2 (F/2)

programmed

to

the

iple

of

is

50 kHz

by 5 .............

go

to

digit

from step 2 .

2 MHz (The yig DAC r

.

to

address

PIA

50

kHz

).

step 8.

...............

1842, and the

program number:

...

......

...

esol

ution

two

EXAMPLE

.......

.........

MSD

of

..

.............

is 2 MH

least

2103.75 = 2 · 2 + 12 = 14

z).

sign

ificant digits

(420.

75 MHz)

420. 75 X 5 = 2103.75

......

75

X 16 = 12

1410

= E16

7.

Repl

ace the MSD

a

nd

drop

the fract

8.

The

two

most significant digits a

are programmed to address

from ion

al

step 2

with

part ......

1820.

the

res

.

......

re

programmed

ult

from step

6

....

. .

............

to

address 1822, and the

..

....

two least

. .

2103.75-

significant digits

E103

6·9

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5580033

SIGNIFICAN T ADDRESSES, RAM

All storage in RAM

REGISTER FORMAT, FREQUENCY STORAGE

ADDRESS ADDRESS+ ADDRESS+

ADDRESS+ 3 ADDRESS+ ADDRESS+ ADDRESS+ 6

are

in the following formats.

=

+,

SIGN (00 1 2

4 5

100 GHz 10 GHz

1 GHz

10 MHz 1 MHz

100KHz

1 KHz

10Hz

REGISTER

LO

. frequency

frequency

I.F. Frequency Frequency Frequency Frequency offset

FF = - ) ADDRESS

1

00 MHz

10KHz 100H

z

1 Hz

output

to

display limit low limit

high

REGISTER

ADDRESS+ ADDRESS+ ADDRESS+ ADDRESS+ ADDRESS+

ADDRESS+ 6

FORMAT, POWER

SI

GN

(00 = +.,FF = - )

1 NOT 2 3 4 5

ADDRESS

01A8 023F 0188

0258 0254 0246

NOT NOT NOT

100

d8

1 dB . 1 dB

STORAGE

USED USED USED USED

10 dB

REGISTER

Power output Power

offset

Figure 6-7. Frequency Storage Registers

to

display

Figure 6-8. Power Storage Regist

6-

10

ers

ADDRESS

018F 024D

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5580033

TROUBLESHOOTING TREES

Troub

leshooting Turn power are

repaired

trees

are intended o

off

before removing or installing any P.C. boards or connectors. If the following

or

replaced, recalibration

Do

nly

as a guide, and

of

the co

unt

er

• A101 Power Supply A 1 07 Gate Generator

•

• A 108 Converter Control

• A203

Converter A

will

do

be

necessary

sse

not

mbly

CAUTION

not

attempt

the A203 hybrid

to repa

ir

or disassemble

assembly.

describe every possible failure situation.

ass

emblies

.

TEST

EQUIPMENT REQUIRED

MANUFACTURER

Tektronix 475

Fluke H.P

. H.P. H.P. 6518

Wavetek

EIP 928 H.P.

Figure

To

use the tro

1.

Refer

2. Step through the main is not

ubl

eshooting trees:

to

the main troubleshooti

ed.

MODEL

8050A

182C

,855

9A

5004A Signatu

2002

8690A,

troubleshooting

8696A

S-9. Troubles

ng tree.

DESCRIPTION

Oscilloscope D.V.M.

Spectrum Analy zer

re

Analyzer Signal Generator Sweeper

Microwave Source Microwave Sweeper

hooting Test Equipment (Or Equivalent).

tree,

perf

orming all n

CRITICAL

100 MHz min.

4

Y.

125 MHz

10Hz·10MH 10

1 GHz - 18.6 GHz

18

ecessa

ry

checks,

digit resolution

MHz- 2 GHz

GHz · 26. 5 GHz

until

PARAMETERS

Ban

dwidth

z

the fa

ilur

e mode

3.

Refer

to

the appropriate troubleshooting tree for that failur

6·

11

Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com

e mod

e.

5580033

ZEROS WITH DIGITS

MISSING

ZEROS WITH SEGMENTS MISSING

1 DIGIT

LIT

VERY

BRIGHTLY

ALL E

's

~

ERROR

31-33

TURN

IS

FAN

NOTE OISPLA Y

UNIT

FAILED THE RAM

UN

IT FAILED

FOR

DIS

CUITRY

04 TO

ISPLAY

D

03

SYSTEM

DECOD

A105

TO ERROR

DECODING.

PLAY

SEGME

TO

DISPLAY

DRI

THE

REFER TABLE

CIR AND

CIRCUITRY AND

(

STARTJ

T

UNIT

ON

RUNNING

~

YES

RAM

CHECK.

RAM

OR

ING

ARE

BAD

DIG

BAD

VER

CHI

BAD

.

PROM CHECK.

MESSAGE

PROM OR PROM

IT

DRIVER

. USE TESTS 02

TROUBLESHOOT.

NT DRIVER

. USE TESTS

TROUBLESHOOT.

MUX BAD

?

PS

ZERO

ON

02

NO

BLANK

'I

NVALID

CHARACTERS

DOES

CHECK

DOES

DOES TEST 01 CO

CHECK BAND 2 OP

DOES

CHECK

DOES

CHECK

CHECK POWER SUPPLIES,

DISPLAY

DISPLAY DECODE LOGIC.

l

PRESS:

PRESS

BAND,

UN

IT RESP

KEYBOARD?

BAND

PROPERLY?

: TEST, 0, 1

BAND

PROPERLY?

BAND 3 OPERATION

BAND PROPERLY ?

UNIT

1

OND

YES

1 OPERATION.

1 OPERATE

YES

UNT

YES

ERAT

2 OP

ERATE

YES

3 OPERATE

YES

OK

FUSE,

AC

ON/OFF

TO

jNO

No

j

200 MHz?

IN

ION.

'NO

IN

SWITCH

POWER SUPPLY,

SEE FIGURE 6-11

SEE

SEE FIGURE 6-13.

O

SEE

.

O

SEE F.IGURE 6-16.

I

POWER,

PROGRAM

INOPERATIVE

KEYBOARD

200

AND

FIGURE 6-12.

BA

ND

1

FIGURE

MHz

FIGURE 6-15.

BAND2

B

AND

6-14.

TEST

3

Figure 6-10. Main Troubl

6-

12

eshooting

Tree

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5580033

(sTART

1

PR

OGRAM

RUNNING PROPERLY.

CHECK POWER SUPPLIES.

CONNECT

A 105U1 P

TURN BACK ON. 40 GO LOW FOR APPROX. SOms.

COUNTER

AT

THEN

IS NOT

~

GOOD

SCOPE

IN

OFF,

TURN

ON DOES PIN

GO HIGH?

37

TO

THEN

t YES

BAD

NO

POW

ER SUPPLY OR

POWER

_

LINE INPUT

POWER ON

RESET

CIRCUITRY BAD

BAD

.

REMOVE

ANALYZER PROBE

ARE

REMOVE

CEPT MICROPROCESSOR

T

URN

DI

SPLAY

1 SEC. THEN

E1

TO

CONNECT SI

FI

ALL

ALL SIGNATURES

TURN

REMOVE

FR

OM

RE

PLACE

AND DISPLAY

UNIT

DASHES FOR APPROX.

INSTALL

GNATURE

AS

INDI

GURE

6·1.

POINTS INDI

-.

YES

COUNTER O

GRO

UND

A 1

05 TP5

E2

TO

ALL

PCB

(A110).

ON. DOES UNIT DIS

PLA

CATED

El

's EX-

Y ZEROS?

1 YES

AT

ON E

BOARDS AND

STEP

FOUND. DATA

A T IME REPLACE

REPEAT PREVIOUS

UNTIL BAD

THAT BOARD

BUS OR

BOARD

IS

BAD

CATED.

GOOD?

FF

(A 1051

PC IS

PIA

.

E2

IN

ON

NO

PROBE

-

SIGNATURE

A105

MOTHER PL

U8 BAD,

AY

LOGIC

TO

POINT

STARTS. REPLACE

BAD

COMPON

OR

BOARD (A10

DATA

BOARD IA110)

WHERE

ENT

.

BUS ON

0) OR DIS·

BAD

.

Figure 6-11. Program Inoperative

6·13

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5580033

(STAAT

1

TURN

UNIT

OFF,

WH

ILE

UNIT lNG DASHES, PRESS HOLD

IT IN. WHEN

GOES

TO

LIGHT FLASHING

ZEROS, IS

THEN BACK ON.

IS STI

?

LL

DISPLAY

BAND

THE

-

AND

DISPLAY

BAND

YES

WITH

SCOPE

A201B-E4 (I.F. THRESHO LD)

A

TTL

IS IT

LOW?

YES

I NO

ENTER

KEYBOARD

MOMENTARILY

TO

A105

DOES

THE DISPLAY

CXX

(XX

(Figure

6-9)

YES

~

LOOK

AT

NO

L...--.-

TP8. PRESS

• COORD INATES)?

KEYBOARD I

TEST

TYING

ANY

SHOW

NTERRUPT

KEYBOARD BUFFER

I.F. AMP OR I.F.

THRESHOLD BAD

BY

A108TP1

KEY.

~

NO

SCAN OR

CIRCUITRY

BAD.

KEYBOARD

OR

KEYBOARD

BAD

.

R F LEV POWER METER ZERO DAC OR POWER METER GO TO POW SH

EL FROM I.F. AMP

OOTI

ER

NG TREE.

BAD

METER

Figure6-

TROUBLE

Figure

.

BAD, BAD,

6-1

12.

-

1.

Keyboard

6-14

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5580033

CO

NNECT A 50

INPUT

A109

TP5.

(START)

TO

BAND

IS

MHz -20

IT A

1. CHE

TTL

dBm

CK

LOW?

CHECK

THE

ANODE

IS

IT

A .

5V,

SQUARE

YES

CHECK A106TP1. IS

PULSE,

YES

WAVE

SIGNAL SELECTOR

ABOUT 3 nsW

A 106

IS

GATE LIGHT

I YES

OF

A 106 CR4.

50

MHz

?

l

NO

IT

A 50

MHz

IDE?

~NO

SIGNAL CONDITI

C

IRCUIT

ON

BAD

FLA

A106

ONING

.

I YES

SHING?

l NO

BAD

l

CHECK

100 K

THE

AS VARIED

OF

NO

-t

YES

PRESS: TEST, 0, 4

THE DISPLAY

YES

SI

A107U22

Hz

TTL

REF

SAMPLE

DOES

IMPEDANCE GNAL SELECT

LEVEL

OSC

RATE

THE

CYCLE

CONVERTER

ON

2. IS

IT

A

CLO

CK 7

NO

SELECTOR/DIVIDER ON

A 107

BAD

POT IS

RATE

VARY?

NO

A109

OR

BAD

.

l

CHECK

COUNT

A 106TP7. IS IT A 5

TTL

LEVEL

CLOCK 7 '

YES

FIRST

DCU OR I

CIRCUITRY

CHAIN CIR

A106

BAD

CUITRY

.

MHz

1 NO

TS

ASSOCIATED BAD

ON

.

Figure 6-1

l

3.

6-15

GATE

Band 1

SA

MPLE

GENERATOR

ON

RATE

A11 1

A 107

CIRCUITRY

BAD

.

BAD

I

ON

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5580033

(s

TAR

~

T

CHECK SIG

CHECK

ECL

S

IGN

AL SELECT

NAL

AT

lNO OUTPU

FRE

QUENC OTHER THAN

400

MHz

A 109UJ PIN 3. IS IT

LEV

EL 2

00

MHz CLO

YES

IN

O

OR

ON

Figur

e6-14. 200 MHz Test

A201A·J2

Y

MHz

AN

CK

A109

BAD

T

I

7

VCO BAD

PHA

SE LOCK CIRCUITR

L.O. BUFFER

A108BAD

OR

DIVIDE

A109

BAD

.

Y ON

BY 2 ON

(sTART)

i

OPERATION 190 MH

SIG CO

ISOL A T ION AMP,

I.

F.

CHECK

FROM

z (BA

ND 2A).

2A WO

RK

PRO

NO

CONNEC

NNE

T A 50

NAL

TO THE

CT A SCOPE TO A109TP12.

IS A

NO

AMP

109TP11

, OR

BAN

ON A 1

A T

09

BAN

D 2

10

MHz T O

DOES

BAND

PERLY

?

tYES

MHz

. -

20

BAN

dBm

D 2

INPUT

TL HIGH 7

L_

200 MHz L.P.F

D 2 LOC K DET

BAD

.

----

....

.

_

..

SIG

L.O. S

ELECT

NAL

SELECT CIRC

CIRCUITR

A109

BAD

A 109 BAD.

.

UITRY

Y ON

J

ON

Figure6-15. Band 2

6·16

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5580021

UNIT COUNT

WRONG

WHAT

NUMB ER

IS SYMPTOM OF

PROBLEM?

S

BAND

3

UNIT

COUNTS

SIGNA L IS

AFTER

REMOVED

VCO IS GE WRON G CONVERTER

REF

.) IS FR EQUENCY BETWEEN

400 MHz

VCO NOT 0 LOCKED.

CONNECT

A201J3.

-2

TO

+9V OUENCY 370

MHz TO APPROX . 510 MHz7

a LOCK CIRCU

A 1

NERATING

FREQUENCY. CONNEC

TO A109J2. (VCO

AND

AND STABL

VARY

. DOES

VARY

YES

08

500

E?

A POWER SUPPLY TO

VOLTAGE

THE

FROM APPROX.

ITRY

BAD

ON

.

VCO

MHz7

NO

FROM

VCO FRE·

NO

BAD

T

UNIT

DOES

NOT COU

COUNTER, CONNECT TO A100J7 PIN

CONNECT A SIGNAL WITHIN OPERATING TO SCO

IT PLEX TION

NT

WI

TH

NO SIGNAL INTO

TAIN A 60

YES

THE

BAND 3 IN

PE LO

OK

SHO

ULD

WAV

EFORM. DOES A

OF THE

LIKE

NO

2. DOES IT CON·

RANGE

AT

CONTA

WAVEFO

PHOTO A

I.F. THRESHO

THE

A SCOPE

ms

RAMP

?

OF

BAND

PUT.

WITH

A100J7 PIN 2.

IN A COM·

RM

THE

POR

LOOK

LD

BAD

3

A

-

PHOTO A.

POWER

Figure 6-17. B

6-17

and

POWER

3

METER

METER ZERO CIRCUITS

ON

A107

BAD

OR

.

,__

__

_

SEE

POWER

FIGU

RE

ME

6-20,

TER

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5580033

CONNECT A SPECTRUM ANALYZER COUNTER

125

MHz ± 20

GENERATED,

SHOUL D

TO

A106J3

FINDS THE INCOMING

SIG

NAL

AN MHz SHOULD

THEN

BE CORRECTED

1

25

MHz

EXACTLY

I.F.

. AS

OF

THE

BE

I.F

.

TO

.

la

.K.

NO

I.F .

NOT

DOES CORRECT I.F.

I.F.

MORE

THAN

125 MHz, OR CORRECTED

THE WRONG

PERFORM CONV

CA

LIBRATI

PR

OBLE TEST SCO

CHECK

LINEARITY. IS

ON (SECTION 7). IF

M IS

, 0, 6.

PE

LARGE

NOT FIXED, PRESS

WITH A SE

LOOK

AT A100

THE

RAMP

STEPS OR NON·

20

FREQ

UENCY.

ERTER

FOR

THE RAMP

MHz

FROM

NSITIVE

J7 PIN 2.

ANY

O.K.?

FREQUEN

FREQUENCY

TO

YES

:

-

NO

~

CY

INPUT OUTSIDE

LIMI

SE

LECTOR ON A1

VCO POWER AMP

I.F.

THRESHOLD

VCO

A108

TS OR SI

~L

OCK

ON A1

08

FREQUENCY

DAC BAD

06

BAD

CIRCUI

BAD

CONTROL

.

GNAL

.

TRY

.

Figure 6-1

6. Band

3,

cont

inu

ed

6-18

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5580033

LOOK

DOES A 100J7 PIN 2 CONT

AT

A108TP2. DOES CONTAI 325 ms RAMP?

NA5VOLT

1.8

PR

ESS

VOLT

IT

: TEST ,

325 ms

0,6

RAMP

AIN A

?

I YES

CHECK

A201B-E4

A

IS IT

l

TTL

(IF

THRESH.)

HIGH?

A108

YES

YIG

A108

r

DRIVER

I NO

FREQUENCY

DAC

BAD

.

BAD

Figure

CONTROL .

S.

1

6.

Band

YES

POWER METER ZERO CIRCUIT ON

3, continued

MET

A107

ER

OR POWER

B

AD.

1

I.F. THRESHOLD

I

.._ ___

SEE

POWER

BAD

FIGURE

MET

6·17

ER

6-

19

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5580033

STAA

T

PRESS:

TEST,O,B

IS

TP4

YES

IS

U11

PO

YES

PIN 6 BUT

LARIT

AS TP4 ?

VOLTAGE,

IS TP3 THE SAME

, O,O,O,O

lOV tlV

?

NO

THE SAME THE OPPOSITE

Y,

AS

TP4 ?

VOLTAGE

REMOVE A 107J1.

f'R

ESS: BAND,

TE

ST ,

RESET(F

AT

08

BAD

A107TP4. IS

BAD.

LOOK

U9

U10

OR

OR U11

GROUND

3, RESET,

0,

9,

RESETlFl,

),

RESETlFI,

YES

.

A107J1, PIN 1.

BAND

, 1 RESETlFl, 3, CLEAR DISPLAY

ITOVt10mV?

CO

NNE

CT A POWER SU

A107

J1

VOLTAGE

VARIES GRO GRO TTL LOW GROUND IS

PIN 1.

SUCH

ABOVE

UND

. WHEN TP3 IS

UND,

IS A107U14 PIN 7 A

LOW,

AND

TTL HIGH?

A

YES

NO

VARY

THAT

AND

WHEN T

A1

07U14

NO

PPLY TO

THE

A107TP3

BELOW

ABOVE

P3

IS BE-

PIN 7

A107

POW

ZERO

U1o4A

BAD.

ER

METER I

DAC

BAD

.

I

IS

U14

YES

PIN 1 A

YES

NO

U12

OR

-

TTL

LOW?

I

Not_____

r-----'1

~U

U13

14

BBAD

BAD

.

~------------

Figure 6-17. Power Meter and Power Meter Zero

~

•

A

DAC

6-20

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5580033

~

PRESS: RESET(F), RESET(F)

RESET(F). RESET(F)

TP4

-{)V

IS

TO -11V 7

IS

U11 PIN 6

VOLTAGE

POLARITY

IS TP3

IS

U14

YES

THE

YES

BUT

SAME

AS TP47

1 A

THE

SAME

THE

OPPOSITE

AS TP47

VOLTAGE

TIL

HIGH?

NO

U23

U10

U12

OR

08

OR U11

OR

U13

BAD

.

U148

BAD

.

IS

U17

PIN 8 A

YES NO

15

dB

I.F. AMPLIFIER

Figure 6·17. Power Meter and Power

TTL LOW?

AMP ON

BAD

U17

BAD

.

Met

er Zero

DAC,

continued

j

6-21

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5580033

Section 7

Adjustments

GE

NERAL

To correctly

ade

m ildjustments do manual. The test equ

MANUFA

Tektron

Fluke H.P.

Wavetek EIP

H.P.

EIP

adjust the

if the count

not res

CTUR

ER MODEL

ix

545A

er d

oes

ult

ipm

ent required is:

or 54

8A

counter u not operate in th e performance specified th

as spec

475

8050A

182C, 8559A Spectrum Analyze

2002 928

8690A,

2000017

se

ifi

ed,

8696A

the following proce

or foll

DE

Osc

D.V.M.

S

we

Microw

Microwave Sweeper

Se

and

owing the replacement of components. en

refer to the

SC

RIPTI

ON

illoscope

eper 1

ave Sou

rvice Kit

Calibrations

dure

s.

Ad justments should only be

tro

ublesho

oti

ng

section

CRITICAL

Ge

4

r 125 MHz

rce

1 GHz -18.6 GHz

18 GHz -26.5 GHz

See Appendix A (A-3)

Y,

0MH

PARAMET

neral Purpose

digit resolut

z - 2 GHz

ion

If

of

ERS

the

this

POW

ER SUPPLY ADJUSTME

Prior to making any adjustments to the power s

Voltages are m

1. Connect the Digital Vo

Adju

2.

3.

Connect the D

4.

Adju

easured on the back

st A

101

R5 until the volt

VM between ground and -12 V on XA 101, pin 1 and

st A

101

R 17 until the voltage m

lt Met

NTS

of the Power Supply board (A 101).

er (DVM) between ground and +12V on A 101, pin 1 and 8 .

age measures +12.

easures

upply

the counter should warm

000

VDC ± .010 VD

-12.000 VDC ± .

010

C.

18.

VDC.

up

at

least 20 m

inut

es.

7-1

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5580033

R

T1

17,

R5

'1'16

-----

-----·----

··

____

'I'll

'1'14

::::=

===

-A104-

~~====

-----

}

OPT

ASSVS

..r---.,

..,_

__

I

ON

A100 IN/O

F1

__. FUSE

S2

NT

/EXT

E

LEC

JS

10

Mttz

T

UT

""

Figure 7-1. Adjustme

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7-2

nt Loca

tions.

5580033

YIG

DAC CALIBRATION PROCESS

THEORY

The

purpose process correction the software

pro

This

YIG

true

Each

entry

of this process is

allows a software route start

table, which resides

corrects

cess yields the true

frequency

of

the

the DAC reading (not the DAC itself)

YIG

instead

correction

of

to

compensate

in

EEPROM.

frequency. Then t

the

ERROR

table contains two values:

the nonlinearity

the

EEPROM.

After

the

he

DAC reading.

YIG

program

of

the

YIG

The instrument

searches for and

according

tunes the VCO

to

and DAC

gene

rates a

centers

the

correction

according

error.

The

YIG

DAC

on a signal,

table. to the

( 1) the

he

(2) t

value

Each

example,

For

table

The

YIG

frequency

DAC reading

cons

ists

if

the

looks like this:

e

ntry

1

ent

ry

2

entry

N

and

of

2 bytes. The

YIG

frequency

YIG

is 1

frequency

GHz

then:

is represented in hex in 2 MHz

1 GHz = 1000 MHz = 2 * 500 MHz = 2 • 01

"01

F4"

and

YIG freq

YIG

freq 2

is what is written

1

to

the table.

DAC reading

DAC reading 2

..

. .

YIG

freq n

DAC read

in

g n •

1 •

F4

(hex)

increments

.

where N

extrapolated.

YIG DAC CORRECTION TABLE

Given a

equa l to an exact DAC reading

is

the entry algorithm

must

be

at least 2 a

DAC reading D. t

corresponding

p and

to find the corresponding

YIG

q,

where 1 < = p < q < = 248, then the software uses a linear interpolation

If

: DAC

nd

can

be

as

much

as 248. ·The va lues in entry 1 and N

he

software first searches through the second r

in

entry

n, wh

ere

1

<=

m <= 248, then the software genera tes

frequency

reading. If D falls be tween 2 consecutive DAC readings in

YIG

frequen

g-

DAC p

q - YIG p

cy

Y as shown

D-

=

Y-

DAC p

YIG

p

ow

in the

following equation:

7-3

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of

the table. If D

are

5580033

then

Y is:

Y =

YIG

(D

- DAC p) • DAC q _ DAC p +

q - YIG p

NOTE

YIG

p

If

for

some

ge

nera ted to indi

reason the ins

CORRECTION Setting

"Test

The u

counter's num

up

the

90"

to acti

ser

applies a synthesized signal

front panel

ber

to hexadecimal, original entry center read and st

the

YIG

ored

When Y is being calculated, the multiplication is pe bef

ore

the

cate error

division to avoid

trum

ent cannot find a suitable DAC reading entry ,

in the

correctio

pre

cision error.

n table. TABLE SETUP correctio

112

on it.

n table is actually the

YIG

OAC calibration

vate the process. At first the table contains t

YIG

default

or

to e

ntry

as

OAC

frequency

1

2

0

3FFF

hex 3FFF hex

Y1 GHz

to the counter, then ente rs

via GPIB. After the user enters the

stores

If

the searching and centering are successful, the

II

it to the table as the YIG frequency of entry #2, and shifts the

113. Th

of

en the counter sweeps the YIG to l

entry

112

of

the table. Now the table looks like this:

DAC

0 hex

number, a routine converts that

wo

number

proce

entries:

rform

ed

ERROR

ss. T

he

user enters

Y1

GHz through the

ook

for the signal and

OAC

number

1140

01 is

is

se

The u

r can repeat the above sequence (1) the sequen (2) the freq ue

If either

the

of

the two requir

signal, the whole

default

en

try

default

ce must

ncy

proce

1

1 2

be

entered must

eme

nts above are not fulfilled or the cou nter cannot center the YIG on

0 0

Y1

3FFF

up

to 246 times with the following restrictions:

repeated at least two times.

be

greater than the previous freq

01

3FFF

uency.

ss is aborted and the correction table is not altered.

7-4

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5580033

After

N repetitions 0 the

correction table will be as follows:

default

entry

default

where 2 Since default values are used for the first and the

user eyits the

02

to extrapolate default 1 and Y N

The equation

<= N <=

ca

libration process. The software accomplishes this task by using Y1 0

is

:

1.

2. Y2

N- 1.

N.

2o

246.

-1.

0

Y1

.

..

Y

N-1

YN

3FFF

YN. D N

0

01

02

.

..

D N- 1

DN

3FFF

la

st entry. they must be corrected before the

Y2o

-1.

DN

to extrapolate default

2.

01

0

The final

where 2

D • (Y2 - Y1) + Y1 •

Y=

correction table looks like thi

extrapolated

entry

0.

entry

1.

entry

2.

entry

N- 1

entry

N

ex

trapolat

entry

<= N <=

ed

N+1

246.

s:

02-

0 1

YO

Y1

Y2

. . .

Y N- 1

YN

Y

N+1

02 -Y2

• 01

DO

01

02

.

..

D N-1

DN

Y N+1

7-5

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5580033

FORMAT

The

AND ADDRESS OF THE CORRECTION TABLE

correction table resides

Address:

OCOO

hex

Format:

YYYY

dddd

yyyy dddd

where

"yyyy

"

"dddd

"

"FFFF FFF

F"

"EEEE"

Before performing this procedure. A 108 S-1 must be

(A 108 U4. Pin 17 will (A108 U4, Pin 17) low

CALIBRATION PROCEDURE

Manual

Calibration

in

EEPROM.

.....

...

yyyy

dddd

FFFF FFFF

means

means 2 bytes

represents 4 bytes

2 bytes

of

YIG

of

DAC reading

of

means for software usage.

NOTE

be

high).

to

After

cal ibration.

protect calibration.

freq

end

EEEE

uency

of

table

81

mark

must

and

open.

be

on

1 . Press "BAND

2. Press

"T

3"

on

the fro

nt

panel.

EST 90" on front panel. the

counter

will then display "

3. Apply a synthesized 1-GHz signal at 0 dBm to Band 3

4. Enter

5. Counter shou ld display

"1"

and press "GH

z"

on the front panel.

"F02

".

6. Apply a synthesized 1 . 3-GHz signal at 0 dBm to Band 3

Co

unt

"1", "."

er shou

7. Enter

8.

9. Apply a synthesized 1 0- G

10. Enter " 1 11

. Counter should display

12. Apply a synt

13. Enter

" 1

, "

3"

and press "GH

ld display

".

"0 " and press "GHz" on th e fron

"F03"

Hz

signal at 0 dBm to Band 3 of the counter.

z"

on

the front pane

.

t panel.

"F04".

hesized 18- GHz signal at 0 dBm to Band 3 of the counter.

".

"8"

and press "GHz" on the front pane

l.

of

the counte

of

the counter.

l.

F01

". r.

14. Counter should display "FOS".

15. Go

16. Apply a synthesized

17. Enter

to

step

"2

28

", "2"

if

the

model of

22

-GHz signal at 0 dBm to Band 3

the

counter

is 535/545/575.

and press "GHz" on the front panel.

of

the counter.

7·6

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5580033

21

. Counter should display

"F07".

22. Apply a synthesized signal 25.5 GHz at 0 dBm to Band 3 of the counter.

23. Enter "

24.

Counter

2".

"5",

".", "5"

should display "FOB

and press

" .

25. Apply a synthesized signal 26.5

26. Enter

27. Count

28. Press

"2",

"6", "."

er

shou ld display

"CLEAR

, "

DATA"

5"

and press

"F09".

to abort the process,

process.

If

the

an

counter

ERROR

can not find

#42

mes

sage.

The above frequencies Other freque

Calibration

using GPIB

1 . Output "B3T

A90"

ncies are at

controller.

to

the counter.

"GHz"

GHz

at 0 dBm to Band 3

"GHz"

on

on the fron t panel.

NOTE:

or

cen

ter

on the signal, it will display

NOTE:

are

requ ired to cali

user's

choice.

the

front pane l.

or

press

brate

of

the counter.

"CLEAR

the

counter.

DISPLAY"

to

exit the

2.

Command

3.

Outpu t " 1 Command

4.

5.

Output

6.

Comma

Output " 1 OG"

7.

8.

Command

9.

Output " 1

10. Go

11.

12.

13.

14.

to Command

Output "22G"

Command

Output "24G" to the counter.

the signal source to generate 1

G"

to the coun

the signal sour

"1.3G"

to the counter.

nd the signal source

to

the signal source

8G"

to

step 19 if the

the

signal source to generate

to

th e signal source

ter

.

ce

the counter.

the

counter.

model

the counter.

GHz

at 0

to generate 1.3

to

generate 10 GHz at 0 dBm.

to

generate 18 GHz at 0 dBm.

of

the

counter

to

generate 24 GHz at 0 dBm.

GHz

is

535/545/575.

22

GHz

at 0 dBm.

dBm

.

15. Co

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mmand

the signal sour

ce

to generate 25.5

7-7

GHz

at 0 dBm.

5580033

16.

17 .

18.

19.

Output

"25. Command Ou

tpu t

"26.5G"

Output

"C"

5G"

to the counter.

the signa l sour

to the

ce

to genera te 26.5

cou

nter.

to exit the calibration pr

ocess

NOTE:

GHz

or "D"

at 0 dBm.

to abort the process.

When the accep

counter

t the next f

to 1 . This can

has acqui red t

requency.

be

recognized through

the

he

signal and is ready to

GPIB

status byte bit 0 wi

service

request.

ll

be

set

7-8

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5580033

TIME BASE

CALIBRATION

NOTE

For Option 03, 04 , 05, refer

It

is

important to

not

e that the precision of the time base calibration directly affects overall counter ac-

curacy. Reasons for recalibration, and the procedures to be used, should

to

Option Section of the manual.

be

thoroughly unders

attempting any readjustment.

in

The fractional error

frequency error

whe

re

fs

of

is

the true frequency

the frequency indicated by the counter

the Time

Base

Oscillator with respect

Dds

of

the measured signal, and ft is the true frequency of the Time Base Oscil-

to

6ft

lator. Thus, the inaccuracy associated with a frequency measurement

Base

the Time

Oscillator, and a measure of the precision with which it was originally adjusted.

is

equal to the negative of the fractional

its true value.

That

is

is:

direct

TEMPERATURE COMPENSATED CRYSTAL OSCILLATOR (TCXO)

The standard time base oscillator used

frequencies of this from

0

to

+50 degrees C.

oscillator will differ by no more than 2 parts

in

the counter

is

a TCXO

(A

11

3). The range of the actual measured

in

106

if

the

tood

ly

related to the quality of

temperature

is

slowly varied

before

With a stable input frequency,

TCXO drift. To center this fluctuation on the true value of the measured signal, each TCXO has

to the imprinted on its side the frequency setting required

At approx1mate room temperature (+25 degre normally no worse than ± 1 X 10 -7 parts per degree

environment, the

TCXO may

peak temperature variation of s· C

parts. This signal error

is

due

The natural aging characteristics of the crystal

measurements. Aging refers

that

all

direction) TCXO

is

less than 3 X 10-7 parts per month

quart

the

measurement indicated by the counter will fluctuate

at

+25 degrees C.

es

C).

the slope of the frequency

C.

When the counter

be

set

as

close to 10,000,000 Hz

will

result

in

a measured signal error of no more than ± 2.5 X

to

the temperature characteristics of the

in

the t i

me

to

the long term, irreversible change in frequency (generally

as

base oscillat

z oscillators experience. The magnitude

as

specified. This may improve to at least 1 X 10·6 parts per

is

used in an ordinary laboratory

desired.

In

this environment, a peak-to·

time

base oscillator

or

can also cause inaccurate signal

of

this frequency fluctuation

vs.

temperature curve

.

year when in continuous operation.

of

Error due to aging adds directly to erro r due to temperature. The number

in

recalibration depends on the environment

which the counter operates, and upon the le

times the counter requires

required.

For example, initial adjustments, the inaccuracy could vary from

if

the counter

is

subjected to the full

operating temperature range one month after proper

+1.3 X 10·6 parts to -0.7 X 10-6 parts.

in

proportion

in

the positive

vel

of accu racy

in

1Q

is

-7

the

7·9

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5580033

TCXO CALIBRATION PROCEDURES

METHOD 1 (with

1. Remove top cover

-

2o0c.

2.

Measure the frequency of

known calibration accuracy.

accurate frequency counter)

of

counte r. Connect counter to line voltage

of

the TCXO (at the r

. Check that ambient temperature

ear

panel 10 MHz connector)

with a seco

l -

is

nd counter

3. Refer

4. Adjust t

METHOD 2 (with

1.

2.

to calibration l

0 ·

50° C range

he

TCXO

equals that shown on the TCXO calibration l

accurate frequency

Apply

a 10 000 000 Hz signal from a frequency standa

and

stabi

lit

y) to the Band 1

RESOL

Press

abel

on TCXO showing offset

.

by

turning the calibratio

input

( 1 Hz

resolution)

D

3.

Adju

st the TCXO un

of

the frequency shown on the TC XO.

of

1 0 000 003 H

DISPLAY INTENSITY

On the front intensity.

panel logic

til

the reading on the co

z,

adjust the TCXO

assemb

ly

(A

sou

rce)

of

the counter.

For

until

111

l,

R4

from

10 MHz required for accurate function

n screw on the TCXO

abe

l.

rd

unt

er is offse

exa

mpl

e,

if the

the counter displ

may be adjusted

ays

case

until

the

measu

red frequency

(or

other oscillator

t from 10 000

TCXO

calibration l

9 999 997 H

to

provide the most comfortable display

z.

of

suitable accuracy

000

Hz by the negative

abe

l shows a frequency

over

7-

10

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5580033

GENERAL

These

tests

are for the basic

the

user

to

veri

VARIABLE

During volt age the cou

the performan device, so

nter und

REQUIRED (or

equivalent)

counter. Peformance

fy

that

the count

LINE

VOLTAGE

ce tests

that

line voltage

er

various

supply

TEST EQUIPM

er

is

operating

the coun

may

conditions

ENT

Performance

tests f

or

options

wit hin specifica

ter should

be varied ±10% from

.

be

connected

are in

tions

.

to

the

nomin

al. This will assure

section

power

Section

Tests

10. These tes

source,

throug

proper

ts

will

h a variable

operating

8

enable

of

MANUFACTURER

H.P.

Wavetek

EIP

H.P.

BAND

(

1. Set the

2.

3.

4. Vary

1

10Hz

- 100

MHz)

counter

Connect the signal source

on

the counter.

Set the signal level to

th

e signal from 1

to

MODEL

6518

2002

928

8690A,

band

1.

output,

25

mv RMS (-19 dBm

0Hz

to

DESCRIPTION

Signal

Generator

Sweeper

Microwave

8696A

thr

ough a

100 MHz (changing signal

Microwave

50

ohm

into

50

shunt

ohms)

Sou

rce

Sweeper

feedthrough

.

source

as required).

resistor,

CRITICAL PARAMETE

10Hz-10MHz

10MH

1

GHz-

18

GHz-

to

the

band 1 input

RS

z-2GHz

18.6

26.5

GH z

GHz

The

counter

should

display

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the correct

input

frequency.

8- 1

5580033

BAND 2

10

MHz

(

- 1 GHz )

1. Set the coun t

2.

Connect the signal sour

3. Set the

4. Vary the signal i

Th

e counter

er

to

band

2.

ce outp

signa

l level to -

sho

uld display the cor rect

nput

20

from

dBm (22

10

BAND3

(548A: 1 GHz - 26.5 GHz) (545A: 1 GHz -

1. Set the counter to band 3.

2.

Connect the signal

3.

Vary the signal frequency from 1 GHz following l

evels.

18

GHz)

source output

1 GHz - 1

1.2 GH

12.4 GHz - 18 GHz 18 GHz - 22 GHz

22

.2

z - 12.4 GHz

GHz - 26.5 GHz

ut to the band 2

mv

RMS).

MHz

to

1 GH

z.

input

frequency.

to the band 3 input

to 18/26.5 GHz (changing the

GHz

input

of the counter.

signal

dBm

(12

mv

(38

mv RMS)

RMS)

-25

-30 dBm (7 mv RMS) 25

dBm (12 mv RMS)

-

·20 dBm (22 mv RMS)

-

15

dBm

source

as

required) at the

The counter should displ

ay the

correct input frequ

enc

y.

8-2

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5580033

This sec tion contains a functional

oar

printed circui t b Parts

are

listed alphabeticall

ponents that ha

or

the

f

The column identified as

The last two

(FSCM) nu

given of a part.

Pages 9

number page

the A when

REFERENCE

ABBREVIATIONS

first su

tot

al number

mbero

in

Appendix B. The FSCM numb

9-3

through

-5

, the page numbers have a

reflects the nu

sequence

105 printed circuit board.

an

assembly rev

A Assembly B Battery or Fan C Capacitor CR

Dio

OS

Indicator (Display)

F Fuse

CBN CER CMT CN CONV COMP CO ELEC FDTH FLM FML

GP

IC K LED M MET MF mH

ML MTCH

d used in this counter.

y by

ve a different

ch

compone

of like components used on the

UNI

columns

f the manufacturer. A list of manufacturer

9-5

mbe

for the

isi

DES

IGNATORS

de

TR

NN

OX

Male

PR

M

ref

nt listed. Su

TS

PER

of the pa rts list give the n

contain the t

r of the asse mbly being d

descrip

CARBON Ceram Cer Co Co com

Connector Electrolytic Feedthro u Fi Female

General Purpose Int Ki Light Emitting Diode Meg(a) Metal Oxide Metal Film Millihenry

tion on that assembly. F

on

makes a manual update n

ic

met

unt

er

nverter

position

lm

egrate

lo

(x

1 , 000)

atched

Functional Description

Illustrated Par

description, a parts list, an illustration, and a

compone

erence

ASSEMBLY.

three-digit

Thi

s page numbe

J

K

L

p

0

A

gh

d Circuit

(x

1,

Pair

nt type and th en in

designat

bse

er

is used in the parts list as a guide

op

assembly of the counter and other basic information. After page

Jack or Connector Relay Induct Plug or Transistor Resistor

quent d

first

or

PCB Cont

or (REF

escript

same

ame

number

esc

or

ring syst

ecessary

NOM PC PCB pF PREC PRO RAM RST

AT

S.A.T.

sw

TA TRI

uF

000,000)

uH

VAR

WPRF

ww

XSTR

numer

ic

order

DES)

but t

he

same

ions of that

assembly will be listed with the first entry

and the Federal Supply Code for Manufacturers

s'

followed by a dashed number. The th

rib

ed

example, pages 105-1

em

facilitates

com

names . addresses, and FSCM numbers

on those pages. The dash

simp

.

s

T

TP

acts

M

R

AN

NT

M

u

X

01-3 0 1/2

Nominal Printed Circuit Pr pico Precision Programmable Random Access M Resistor Right Value or type select test.

Switch Tantalum

Trimmer Microfarad Micr

Variable Waterproof Wirewound tr

ansistor

Section

9

and

ts

Breakdown

schemat

within

EIP

part

ponen t will refer to the first entry.

to

the manufacturer

thro

le, modular page replacement

Switch Transformer Test Point Integrated Socket 0 1 through 0 1

inted Circuit Board

farad

An

gle

Part

ohenry

ic diagram for each

component

numbe

ugh 1

and

may

r are described

ed

number

05-5

Circuit

or Holder

03

02

(ma

Read Only Memory

emory

ed

not

be

type. Com-

in

or

supplier

ree-

is the

all re late to

tched pair)

at factory

used.

the

digit

is

9- 1

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5580033

A100J1

W7

A102 (GP!B

or

BCD

OPT.)

81

-.r-

......._

__

'---.-'INPUT

-_.._,

.....-' FUSE

J1 POWER

51

VOLTAGE SELECT

F1

P2

Figure

A104

CDAC

OPT.)

A201

9-1

. Assembly Locations and Cable Connections in Counter

CABLE CONNECTION

GUIDE

FROM

A1S101J1 A 1J12 AlSl A1J10 A1B1 A101J1 A111P2 A 107J1 A 108J2 A 1J111 A1J112 A201

A202J2 A 1 06J2 A 1

06J1

CABLE

Wl W2 W3 A1J12 A W4

ws

W6 W7

wa

W9 A201J3 W10 A109J6

W11 W12 A100J7 A204P 1 W27 A109J2 W13 A100J7 A204J2 W28 A W14 W15 A109J5 A 107J2

TO

Al Sl ,

Fl,Jl

AlT

l A109J1 W17 A201J2

A1S1 A1U14 W19 A111J5 A1J10 A1R1 AlTl A100J1 A201

A109J4 A100J2 W26

A201 Jl

FROM

A108J1 W16 A109J3

1J

S,S2 W18

01

A107J3

A20

4J1 W29 A1J2

CABLE TO

A100J4

W20 A 111J4 W21 A108J3

Al

,GPIB

1J1 (BAND

W30 A100J6

(OPT

(BAND

(OPT.

. 08)

4, OPT 06)

4,

OPT

4,

OPT

03/04/05)

9- 2

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06)

5580033

545A/548A

MICROWAVE COUNTER

REF DES

COUNTER,MODEL545A

·1 FRONT

-2 REAR PANEL

Knob Button

Pane

l

Sample Rate Control

Alignment Pin Retainer Key

Switch, toggl

Panel Conn, Filter Switch,

Fuse holder Fuse, 1A,

.50A

Fuse, Conn, B Voltage

DESCRIPTION

MODEL

PANEL

set, 12 + 9

e,

t

oggle,

SB,

, SB, 250 V NC Select Switch Assy, A151 2010159-

548A

ASSY

Assy

PWR

ASSY

SPOT, 120V,

250V

5A

EIP NO.

201 0224·06 2010225-06

2010218-09,10

52

10223 1

52

10220

5210378 1

2010134-

5210190 5210191

2010187-01

20102 19-

5210192 1

2650005 1 3EF1

4510001 1 5000172 1 031.1653/1666/1663

5000085

5000169

2610024

01

UNITS PER

TYP

ASSY

EIP EIP

1 E

1 52300051

2 1 1

1

1 FST034-3114 1 KC -79 -35

1

IP

5000160 31013

EIP

7

101

MDL-

H

1A

MFG

02

NO.

TYP FSCM

NO

.

34257 34257

05245 09353

71400 71400 91836

-4

-5

-6

-7

-8

-9

-3

FAN

ASSY

Fan Conn, Plug, Contact, Male Space

FRAME P

ane Trim, Trim,

ame

Fr Corner Post, Corner Post, Rear

andle,

H TR

ANSFORMER, ASSY, A1T1 Transformer, Power Conn, Plug, 9 pin Conn, Housin

nt

Co Contact, Female

FRO REAR CARD GUIDE ASSY

TOP COVER ASSY BOTTOM

3 pin

r

KIT

l, Side, Enclosure

Front Pos Handle

Enclosu

act, Male

NT

CARD GUIDE ASSY

CO

t

Front

res

g,

6 pin

VER

2-0

11

01

1 1 03.06 - 2032

2 02 - 06 . 2103

2 1

2 2 2 2

1

ef

7

1 1 1

1

2010136-

5000151 1 2620110 2620038 5210016

2010151-01

5210210 2 5220004 2 5220025 2 5210248 525000 1 5250002 52500

2010359-

4900005 1 262011 2 1 03.0 2620129 R 2620038

2620036 5210199 5210200

201021

5210209

760/1

26LF

6.

2092 640427 . 6 02 - 0

6-2

2.

06 . 1103

0

/182/

103

111

5

OOOOA OOOOA

OOOOA AMP OOOOA

OOOOA

-10

-

11

·12 Line Cord

TILT BAIL

Foot. Plastic Enclosure

Line

Cord Set · Export

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Set

· Domestic

5000055 5220003 4 5440002 1

5440017

9-3

1

5580033

545A/548A Microwave

REF

DES

PCB

ASSEMBLIES

A100 A101 A105 A106 A107 A108 A109 A110 A111 A203 A20

1A A201B A202

Counter

Power

Mi Count Gate

Converter

Band 2 Converter

Keyboard

Front

Mic

Voltage IF

Mic

Interconnect

Supply

cro

processor

Chain

Generator

Panel Logic

rowave

Con

Amplifier)

rowave

Counter

DESCRIPTION

Control

Display and Logic

Converter

(Band 3)

trol

Oscillator (not shown)

(not

shown)

(YIG)

Assembly

CABLES

W17 W19, W1,3 W10 (A1J111- A109J6) Band 1, W11 W16 W15

Front

2U

Front

,5

RearPanel. Harness

(A112- A1 (A108J1-A109J3) (A

1 06J2- A 1 09J5

Panel. Flat Ribbon Panel, Harness

09J4)

Band 2 .

Coax

(Band

Coax

(continued)

3)

(not shown)

Coax

EIP

NO

20201802020131-

20202152020136- 03 2020197 - 09 202020020201

39-05 20201402020191 20202412020199 2020143-01

20

401

692040168-01 20401672040165-

2040166- 01 1 2040208-01 2040210-0 1

UNITS TYP

.

PER

ASSY NO.

01 01 02

04

02

-02 06

-00

01

01 01

See

1 100- 1 1

101

- 1

1

105-1 1 106- 1 1

10

7-1 1 108- 1 1 109- 1 1

110-1

1

111

- 1

1 203- 1

1 1 1 1

1 1

TYP

MFG NO. FSCM

Page No.

W12,13

W14 W8 W9 (A201AJ3 - A108J2) W17

VCOIIF

(A201BJ1-A106J2) (A

(A201AJ3-A109J1)

, Harness

201J4-A107J1)

PROMS

A105

U11 U12 U13

A105

U19

A107

U20

A105

U13

A105

U19

A105

U20

BASIC

Section 1 Section

Section

GP

POWER

DAC

(contained

BCD/

BAND 4 OPTION

PROM

2 3

IB

OPTION

METER OPTION

OPTION

In

REMOTE

SET

basic

OUTPUT

Coax

Coax Coax

PROM

set)

OPTION

2040170-01 1

2040172-01 1 2040173- 01 2040174-01 1 2040175-

2060025-01 6400010-0 1 1 65000106500010-

20600106400010- 03

2060010-03 6400010- 05

2060010-04

2060010-05 6400010-

2060010-06 6400010

01

01 02

02

04

-02

1

REVISION

MUST

ORDERING

(SEE

1

LEVEL

BE

SPECIFIED

LABEL

OF

PROM

ON

PROM)

PROM

WHEN

SET

S

9- 4

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5580033

[BANE?_~

WAV£

~ ~

.1:iBJI

. EXT ERNAL

~~

Ofi!m!

~

r

- -

s.A.-No-

t.._

----

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D

~~~~--~

·~i:lr

, ..::o

"CC

0'-J

1

TL'\IIIJG

o,.....-

vOLTA.G

co.rr;o_

~

MICROWAVE

CONVERTER

"Y

l

">db

GAUJ~

RF

L£.VE.L

J:

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i I

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CONV·

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~

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A

POW

ER

SUPPLY

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-

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co"T'I'IO

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AII0/111

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1

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G.EJ.B.

G.P.I.B.

QQMi

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PANCL

1 1 1

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1 1 Ao2s

~

CONN.

B.c.o.

RflAA

1 1

IRMT

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r

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03

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P.I.A.

OPTION

BOARD

Al04

I

r

;;-

..

.

5510057 · A

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Figure

9-2.

545A/548A

Block Diagram

9-5

5580033

FUNCTIONAL DESCRIPTION f\KJT

REQUIRED

COUNTER

A100

INTERCONNECT

(202180)

100-1

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5580033

PAGE

LEFT

BLANK

INTENTIONALLY

100-2

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558003"'

A100

REF

DES

A100

J1 J2 J3 J4

J5 J6 J7 J8

XA101

XA102 XA103 thru XA109

COUNTER

Counter Interconnect Assy 2020180

Header, Str, 26 Header,

J2

Friction Friction Lock, 6

eader,

H

eader,

H Friction Conn, Conn, 50

Conn, 30

Key Plug 50001030 10

INTERCONNECT

DESCRIPTION

Str, 50

Lock, 4

Str, 7 pin Str, 10 pin 2620187

Lock, 4 pin

11

pin pin

position 2620183 1 position

position

ASSY

EIP NO.

2620078 1 2620081 2

2620061 2620090 2620186

2620068

2620185

2620184

UNI

TS

PER

TYP

ASSY

1

1 09 - 65 - 1049 1 09 - 65 - 1069 1 1 1

1 5193-442-3

7 5193-442-2

EIP 34257

3429 - 2302

3433 -

09

-64-1071

09-64-

640456-4 5193-442-1

530286 -

MFG NO.

2302

1101

2

2020180-

TYP FSCM

NO.

76381 76381

OOOOA

" " "

AMP

"

G

I

100-3

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5580033

100-4

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5580033

J2

XA101

Fk'J

AIOO:

RMT

/GPIB

J2

M

~

~A

FkUM

IC'2

e::o

UTPvT

Tv

J3;

XA102

L~

,

:u7P\...

(T:

~3

TO

REAR

0

J

vur

"-'o.+

~~,

":

~.:r-

•.·

u~

~:..=~

---~

.

PAN

J4

-fll

~'21

-.

j

(.;\t_:-...

u,c.

PNR.

,.~_.P-._Y

EL

-

~

TO

OVEN

OSC.

~~

_ e

..

~

o:~

"b..

,.

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100-5

5580033

POWER

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The power Supply furnishes all basic operating voltages req

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PC

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5580033

PAGE

BLANK INTENTIONALLY

101

-2

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558("'13

A101 POWER SUPPLY ASSY

REF DES

A10

1 Power Supply

C1 Tant. 10uF. 20%, C2 C3 C4 C5 C6 C7 C8 C9 C10 Elec, 4, C C12

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Figure 101-3. Power S

101-5

upply

Schematic

EIP 545A, 548A User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual