HP 86220A OPERATING AND SERVICE MANUAL

About this Manual

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HP References in this Manual

This manual may contain references to HP or Hewlett-Packard. Please note that
Hewlett-Packard's former test and measurement, semiconductor products and
chemical analysis businesses are now part of Agilent Technologies. We have
made no changes to this manual copy. In other documentation, to reduce
potential confusion, the only change to product numbers and names has been in
the company name prefix: where a product number/name was HP XXXX the
current name/number is now Agilent XXXX. For example, model number
HP8648A is now model number Agilent 8648A.

OPERATI

G

AN

SERVICE

MANUA

/::~.

~.

~."

b,-1

.

c'-~'-!

./

86220A

RF

PLUG-IN

10-1300

MHz

1605

Rr

OUTPUT

HEWLETT1i

fM

INPUT

~

PACKARD

SAFETY

This

instrument

has been designed and tested according to International
Requirements. To ensure safe operation
information, cautions,

Section I

for

general

and

safety

warnings

in

considerations applicable to this instrument.

CERTIFICATION

and

to keep the

this manual

must

instrument

be heeded.

Safety
safe, the
Refer

to

Hewlett-Packard Company certifies that this

fications at the time

of

shipment

from

instrument

met

its published speci-

the factory. Hewlett-Packard Company

further certifies that its calibration measurements are traceable to the

States National Bureau
calibration facility,

of

Standards, to the

and

to the calibration facilitiesofother

extent

allowed

by

International Stand-

the Bureau's

ards Organization members.

WARRANTY

This Hewlett-Packard

manship for a period

will.

at

its option, repairorreplace products which prove to be defective during

product

of

one

the warranty period provided
necessitated
OTHER
NOT

LIMITED

AND

IS

NOT

Service contracts
Packard products

by

misuse

WARRANTIES

FITNESS

LIABLE

of

the

ARE

TO THE IMPLIED

FOR A

FOR

or

customer

that

require maintenance

PARTICULAR

CONSEQUENTIAL

is warranted against defects

year

AND

ASSISTANCE

in

materials and work-

from

the dateofshipment. Hewlett-Packard

they

are returned to Hewlett-Packard. Repairs

product

EXPRESSED

are

not

covered

OR IMPLIED,

WARRANTIES

PURPOSE.

DAMA

GES

by

this warranty. NO

INCLUDING

OF

MERCHANTABILITY
HEWLETT-PACKARD

assistance agreements are available

and

repair on-site.

for

Unzted

BUT

Hewlett-

For

any

assistance, contact

your

nearest Hewlett-Packard Sales

Office.- Addresses are provided at the back

of

this manual.

and

Service

HEWLETT

~

PACKARD

OPERATING

AND

SERVICE

86220

RF

10

INCLUDES OPTIONS

This manual applies directly to
serial

numbers

PL

-1300

002 AND 004

SERIAL NUMBERS

prefixed 1506A.

G-IN

MHz

instruments

MANUAL

with

MANUAL
Microfiche

PART

Part

©Copyright

1400

NO.

86220-90020

No.

86220·90021

With

changes
ual also applies to
prefixed
and

t426A.

For

additional
numbers
MANUAL

FOUNTAIN

GROVE

describedinSection

instruments

1l3SA, 12I8A, 1223A, 1230A, 1319A,

important

see

INSTRUMENTS

in

Section

HEWLETT-PACKARD

PARKWAY,

information

I.

SANTA

ROSA.

VII, this man-

with serial

about

COVERED

COMPANY

CALIFORNIA,

numbers

serial

BY

95404

1975

U.S.A.

Printed:

JANUARY

1978

Model 86

nOA

TableofContents

CONTENTS

Section

GENERALlNFORMATION

1-1.

Introduction
1-6. Specifications

1-8. Safety Considerations. . . . . . . . . . . . . . .

1-9. General
1-11. Operation
1-13. Service

1-18. InstrumentsCovered by Manual. . . . . . . .

1-23. Description . . . . . . . . . . . . . . . 1-2

Options.

1-25.
1-27.
1-29. Option

1-31 . Accessories Supplied . . . . . . . . . . . . . . .

1-33.

Equipment
1-35.

Equipment

1-36. Service Accessories . . . . . . . . . . . . . . 1·5

1-38. Service Aids
1-40.RFSection 36-Pin Extender
1-42. Recommended Test

11

INSTALLATION

2-1.

Introduction
2-3. Initial Inspection
2-5. Prepara tion
2-6. Power Requirements
2-8.
2-10. Mating Connectors
2-13. Operating
2-15.
2-18. Storage and
2-19. Environment 2-3
2-21. Packaging 2-3

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

Option

Interconnections

Frequency

002

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

004

Required But
Available

Equipment

For

Use. . . . . . . . . . . . . .

Environment.

Scale Installation 2-2

Shipment

Not

. . . . . . .

Supplied

Page

1-1
1-1
1-1
1-1
1-1
1-1
1-1
1-2

..

1-5

..

1-5
1-5
1-5
1-5
1-5

1-"
1-5

1-5

2-1
2-1
2-J
2-1
2-1
2-1
2-1
2-1

2-3

Section

4-8. Frequency Stability test 4-4

4-9. Residual
4-l0.

Power Level and Variation Test 4-7

4-1

I. Power Level Control Test . . . . . . . . . . . 4-10

4-12. Equivalent Source

4-13. Spurious Signals Test . . . . . . . . . . . . . . 4-15

4-J4.

Residual

4-15. External

AM

4-16.

V ADJUSTMENTS

5-1.

Introduction.................

5-3. EqUipment Required
5-5. Related Adjustments 5-1
5-7. Adjustment Locations 5-1
5-9. A4 Cavity Oscillator Frequency

5-10. YIG Oscillator High and Low Frequency

.., Limits Adjustment. 5-4

5-11. Minimum and Maximum Power

5-12. Blanking Level Aduustments 5-7

VI REPLACEABLE PARTS

6-1.

Introduction
6-3. Abbreviations
6-5. Replaceable Parts List
6-7. Ordering Instructions

VII MANUAL CHANGES

7-1.

Introduction
7-5. Manual Change Instructions 7-1

FMin10 kHz Bandwidth

SWR

Test 4-11

AM

Test 4-16

FM

Modulation Test 4-18

Modulation Test 4-20

Adjustment 5-3

Adjustment

Test...4-5

Page

5-1
5-1
5-1

5-5

6-1
6-1
6-1
6-1
6-1

7-1

III OPERATION

3-1.

Introduction
3-3. Panel Features
3-5. Operator's Check
3-7. Operating instructions
3-8. Internal Leveling
3-10. Internal
3-12. External
3-14. External
3-16. Phase Lock Operation
3-18. Frequency Reference 3-2
3-20.

IV PERFORMANCE TESTS

4-1.
4-3. EqUipment Required 4-1
4-5. Test Record
4-7. Frequency Range and Accuracy Test.

Operator's

!introduction

AM

AM

FM

Maintenance-Fuses 3-2

3-1
3-1
3-1
3-1
3-1
3-1
3-1
3-1
3-1
3-1

4-1

4-1

4-1
4-1

VIII SERVICE

8-1.

Introduction
8-3. PrinciplesofOperation
8-5. Troubleshooting 8-1
8-8. Recommended Test Equipment
8-10. Service Accessories 8-1

APPENDIXES

A MODEL

AI.
A3.
AS. Manual Changes to Incorporate

A7. Section III, Operation , A-I
A8. Section IV, Performance
A9. Section V, Adjustments A3
AID. Section VIII, Service

86220ARFPLUG-IN, OPTION

Introduction....................

Description....................

Option

002

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

Tests.

. . . . .

002

8-1
8-1

8-1

A-I
A-I
A-I

..

A-I

..

A-I

A3

III

TableofContents

Model 86220A

CONTENTS

Section

MODEL

B

BI.
B3.

B5. Manual Changes . . . . . . . . . . . . . . .

86220A,RFPLUG-IN OPTION

Introduction....................

Description....................

004..

Page

B-1
B-1
B-1

..

B-1

ILLUSTRATIONS

Figure

1-1. RF Plug-In and Accessories Supplied. . . . . 1-0

1-2. Serial Number Plate 1-2
1·3. Service Aids for the

14.

RF

Section 36-Pin Extender

3-1.

Front

Panel Controls and Connectors 3-2

3-2. Rear Panel Connectors 3-3
3-3. Operator's Check 3-4
3-4. Leveled
4-1. Frequency Range and Accuracy Test

4-2. Frequency Stability Test Setup . . . . . . . . .

4-3. Residual
4-4. Residual
4-5. Power Level and Variation Test Setup 4-8
4-6. Leveled Power Variation Test Setup 4-9
4-7.

RF
4-8. Equivalent Source SWR Test Setup 4-11
4-9. Typical Pattern
4-10. Graph

4-11. Spurious Signals Test Setup 4-15
4-12. Residual
4-13. ExternalFMModulation Test Setup 4-18
4-14.

AM
5-1. Adjustment and Test Point
5-2. A4 Cavity Oscillator Frequency Adjustment Test

5-3. YIG Oscillator High and Low Frequency

5-4. Minimum and Maximum Power Adjustment Test

FR

Power

FM
FM

OFF

Detent

to

Convert Oscilloscope TracetoSource

Match SWR 4-14

AM

Modulation Test Setup 4-20

Setup 5-3

Adjustment Test Setup 5-4

Setup 5-6

86220A

Output.

Test

Setup.

DisplayedonSpectrum Analyzer..4-7

Test Setup 4-10

ofa

Swept SWR

Test Setup

. . . . . . . . . . . . . . 1-6

. . . . . . . . .

Setup.

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

Measurement.

Locations.

. . . .

Limit

Page

1-8

..

3-6
4-2

..

4-4

..

4-5

4-13

4-!7

..

5-2

(Cant'd)

Section

B6. Section III,
B7. Section IV, Performance

B8. SectionV,Adjustments . . . . . . . . . .

B9. Section VIII, Service . . . . . . . . . . . .

Figure Page

5-5. Blanking Level Adjustment Test Setup
6-1. Cabinet
7-1. P/O Troubleshooting Flow Diagram

7-2 P/O

Schematic (Change

7-3. P/O

Schematic (Change A)

7-4.

P/OAlYIG Driver/ALC Board, Component

8-1.

8620A/86220A
8-2. General Information on Schematic Diagrams 8-2
8-3. Schematic Diagram Notes 8-3

8-4. Troubleshooting Test Setup. . . . . . . . . . . . . 8-6

8-5. TrOUbleshooting Flow Diagram 8-7
8-6. Troubleshooting Block Diagram 8-11
8·7.

Al

8-8.

Al

8-9. Major Assemblies
8-1.0 Adjustment and Test Point Locations 8-15
A-I.

P/O Figure 8-8.AlYIG Driver/ALC Board

A-2.

Front

B-1. Figure 8-6. Troubleshooting Block Diagram

B-2. P/O Figure 8-8.SlYIG Driver/ALC Board

Parts.

(ChangeA) . . . . . . . . . . . . . . . . . . . . . . . . 7-3

Al

YIG Driver/ALC Board Assembly,

Al

YIG Driver/ALC Board Assembly,

Locations (Change A) 7-5

YIG Driver/ALC Board, Component

Locations 8-13

YIG Driver/ALC Board Assembly,

Schematic 8-13

Assembly, Schematic (Option

Panel Controls and Connectors

(Option 004) . . . . . . . . . . . . . . . . . . .

(Option 004) . . . . .

Assembly, Schematic (Option

Operation.

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

A)

Simplified Block Diagram

of

the Model

. . . . . . . . . .

Tests.

. . . . .

86220A.

002).

..

. . . . . . . . . . . . . ...B2

004

. . ...8-15

. . . .

. . . . . . . . B2

Page

..

B-1

..

B-1

..

B-1

..

B-1

5-7

..

6-6

7-3

74

8-1

..

A-3

..

A-4

iv

Model 86220A

TableofContents

TABLES

1-1. Specification for 86220Ain8620A, 8620B

or

8620C . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

1-2. Supplemental Characteristics for 86220 in 8620A

8620B, or 8620C 1-4

in

1-3. Equipment

No. 8620-60030

1-4. Recommended Test Equipment
2-1. Model 86220A Mating Connectors 2-2
4-1.

CW

Dial
4-2. START/STOP Deal Accuracy 4-3
4-3. Loss

in

Service Accessories package

1-5
1-7

Accuracy.

Coaxial Cable 4-13

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

..

4-2

4-4. Performance Test Record 4-23
5-1. Adjustment Controls

5-2.

YIG Oscilator High and Low Frequency Limits

Adjustments 5-5

6-1. Reference Designators and Abbreviations Used

in Manual. 6-2
6-2. Replaceable Parts 6-4

6-3. Manufacturers Code List. . . . . . . . . . . . . . 6-8

7-1. Manual Changes by Serial

A-I. Attenuator Step Test

Limits A2

Number.

. . . . . .

5-1

7-1

v

General

Information

Model 86220A

dlU

1

II

ffA

11l1111ifl

"'HI,g

1""

to

~O40~~

Figure 1-1. Model

HP

86220A

Scale

lin,.,

86220A

RF PLUG-IN

for

8620A

86220-00007

Scale

for 8620B

86220-00008

ilitHI

',:.'

to

'0

RF

Plug-In and Accessories Supplied

and

8620C

II::I~

80

,111

'

90

I

lifl=="

norn~

1-0

Model

86220A

General InfoTInation

SECTION I

GENERAL INFORMATION

1-1. INTRODUCTION

1-2.

This

operating
Hewlett-Packard
10-1300
to
Model

1-3.
which

a.

b.

c.

d.

MHz.Itcontains

install,

operate,

86220A.

This

manualisdivided

provide

SECTIONI,GENERAL
contains

specifications
recommended

SECTION
information
preparation
shipping.

SECTION
operating

SECTION

contains

instrument

with

information

published

and

Model

test,

informationasfollows:

the

instrument
as

test

II,

INSTALLATION,

relativetoreceiving

for

use,

III,

instructions

IV,

performance

specifications.

service

adjust,

well

equipment

mounting,

OPERATION,

PERFORMANCE

manual

86220A

information

and

service

into

eight

INFORMATION,

description

as

the

accessory

list.

packing,

for

the

instrument.

required

to verify

is in

applies

RF

Plug-in

necessary

the

sections

and

and

contains

inspection,

and

contains

TESTS,

that

accordance

to

HP

1-4.

Packaged

Information
three
should
instrument

1-5.
regular
Part Number. This
4 x 6-inch microfilm transparenciesofthe
Each
duplicates
package
su

sections

stay

On

the

manual

4 x

6-inch

also

pplementaswellasall

with

Supplement.

of

this

with

the

operator.

front

coverofthis

part

number

microfiche

of

the

manual

includes

this

manualisan

Thisissimply

manual.

instrument

manual,

number

the

is a

may be usedtoorder

containsupto 60
pages.

latest

pertinent

This

supplement

for

use

"Microfiche"

The

microfiche

Manual

Service

1-6. SPECIFICATIONS

1-7.

Critical

Table

in

mance
strument
tal
are
tics

standards

characteristics.

not

specifications

included

instrument

1-1.

These

maybetested.

for

specifications

or

limits

Supplemental

the

informationofthe

specifications

against

Table

but

are

1-2

typical

are

the

which

lists

supplemen-

characteristics

characteris-

1-8. SAFETY CONSIDERATIONS

Operating

the

first

by

the

below

manual.

photo

Changes

Notes.

are

listed

perfor-

the

user.

the

in-

e.

f.

g.

h.

SECTION

formation

align

the

SECTION

contains

parts

and

assemblies.

SECTION
normally
make
equipment

SECTION
scriptions
rams,
leshooting
taining

this

parts

the

V,

ADJUSTMENTS,

required

instrument

VI,

information

assemblies

VII,

contains

manual

configurations.

VIII,

of

the

location

procedurestoaid

instrument.

to

after

REPLACEABLE

required

or

MANUAL

backdating

compatible

SERVICE,

circuits,

diagrams,

properly

repair.

effect

information

schematic

the

contains

adjust

to

exchange

CHANGES,

with

contains

and

user

and

PARTS,

order

earlier

diag-

troub-

in main-

in-

all

of

to

de-

1-9. General

1-10. This
tested
However,
ment
personnel,
ual

accordingtointernational

and personal safety

must

instrument

to

ensure safe operation

the

cautions and warnings in this man-

be followed.

1-11. Operation

1-12.
SAFETY
Operating

BEFORE

CONSIDERATIONS

and

Service

1-13. Service

1-14.

in

Although

accordance

with

has been designed and

APPLYING

Manual

the

instrument

international

of

safety standards.

of

the instru-

the

user and service

POWER,

in

SectionIof

for

the

Mainframe.

has

been

safety

standards,

refer

to

the

designed

1-1

General Information

Mode186220A

the information,
manual
andtokeep

justments

service

1-15. Adjustment or repairofthe opened instru­ment

avoided
should
know the hazard involved.

1-16.

be

disconnected

1-17.

impaired,
tive and secured against any unintended operation.

must

should be

personnel.

with the ac power connected should be

as

be

perfonned

Capacitors

charged

If

itissuspected

the

cautions,

be followed to

the

instrument

performed

much

even

as

only by skilled persons who

inside

though

from its

instrument shouldbemade inopera-

and warningsinthis

ensure

safe.

possible but,

the

the

instrument

sourceofsupply.

that

safe

Service

only by qualified

if

instrument

protection

operation

and ad-

necessary,

may still

has been

has been

IWARNING I

Any interruption of the protective

(grounding) conductor, inside or out­side the instrument, or disconnection
of the protective earth terminal could
make this instrument dangerous. In­tentional interruption
ground

Servicing this instrument often re­quires
instrument's protective covers re­moved and with ac power connected.
Be very careful; the energy
points
tacted, cause personal injury.

is

prohibited.

that

in

you

the instrument may, if con-

~~

BEFORE SWITCHING THIS INSTRU­MENT ON, ensure that all devices
connected to the instrument are con-

to

nected

the protective earthground.

work

of

the earth

with

at

the

many

with

the

serial

SERIAL

NUMBERS

Figure 1-2. Serial

1-20. An
printingofthis manual may have a serial

prefix thatisnot listed on the title page. This
unlisted serial
ment

is different from

ual.

The

manual for this
companied
ment.
tion"
newer

errors
rent and
recommends
latest
ment
manual's
which
plimentary

from

nearest

This

that

explains

instrument.

1-21. In addition to change information,
plement may

in the manual.

accurate

Manual

for

print

appear

Hewlett-Packard.

1-22.

number
in

For

prefix thatisnot

the

Manual Changes

Hewlett-Packard

number

SERIAL

PREFIX

r

instrument

number

by a yellow Manual Changes supple-

supplement

how to

contain

as possible,

that

you periodically

Changes

this

manual

date

on

the

copiesofthe su pplement are available

information

prefix(es) listed

on the title page.

NUMBER

~

.....

SUFFIX

"r

....

,

Number

manufactured

prefix indicates the instru-

those

described

newer

contains

adapt

information for

To

keep

supplement.

is

identified

and

part

manual's

concerning

listedonthe title page

supplement,

office.

Plate

after

number

in this man-

instrument is ac-

"change

the

this manual as cur-

Hewlett-Packard

number,

title page. Com-

informa-

manual to the

the

correcting

request

The

supple-

with

both

a

contact

under

the

sup-

the

this

serial

your

of

or

1-18. INSTRUMENTS COVERED

1-19.

number
two
serial

suffix.
struments;itchanges
to
sequentially
The

1-2

Attached

plate (Figure 1-2).

parts.

The

number

The

prefixisthe

the

instrument.

and is different for

contentsofthis

to

the

instrument

The

serial

first four digits and the Jetter are the

prefix;

The

the

lastfive digits are the

same

for all identical in-

only

whenachangeismade

suffix,

manual

however,

each

apply to

BY

MANUAL

is a

serial

numberisin

is assigned

instrument.

instruments

1-23. DESCRIPTION

1-24.

nally leveled 10-1300

erate
lator
and
electronically-tuned signal
frequency
frequency

available

The

Model 86220A

with a

Mainframe. The Sweep Oscillator mainframe

RF

Model

plug-in

rangeof10
scale may be placed in anyofthe

band

8620A,B,orC

positions in

RF

Plug-in is an inter-

MHz

source designed to op-

Sweep

make

to 1300

up

source

MHz.

the

8620A, B,

a

that

complete

covers

The

86220A

or

Oscil-

the

four

C.

Model

86220A

General

Information

Table 1-1. Specifications for

FREQUENCyl

Frequency Range:

Calibrated: 10to1300

Frequency Accuracy: 2

(At

25°C)

CW

Mode:>: <±1O MHz

All Sweep Modes (Sweep

<±15

Frequency

With

Stability:

Temperature:

2

MHz

Time>O.l

MHz

<±600

With 10% Line Voltage Change:

<±20

kHz

With 10 dB

fied

Residual

CW

Mode:<5kHz

FMin10

Power

maximum

kHz

Change from speci-

power:

Bandwidth:

peak

kHz;CC

<±20

86220Ain8620A. 8620B, or

SPECIFICATIONS

Sec):

kHz

2

8620C

Power

Stability:

With 10% Line Voltage Change:

<±0.1

Equivalent Source SWR:

SWR:

dB

<1.3:1

Impedance: 50 ohms nominal

SpuriousSignals:

Harmonics in dB below fundamental

at

10

750

AM:

AM:>50

+10 dBm:

t0750

(>35

(>40

MHz:>25

dB at 0

to 1300 MHz:

dBat0 dBm)

dB

dBm)

40

dBm

bandwidth)

dB

Below maximum

>30

signal

Non harmonics: Below -

Residual

(AM noise in 100 kHz

Residual

power.

dB

POWEROUTPUT

Power Level:

(For

calibrated frequency range,

2

Calibrated Leveled Power: 0 to

(± 1 dB)

RF

OFF

level

(control

tent):

Power

Intemal

10to1300 MHz:
750to1300

lUnless
2Supplemental

Below -40dBm

Variation:

Leveling

(Standard):

<±0.5

MHz (Sweep Time

>0.1

sec):

<±0.2

noted

otherwise, all specifications are at0°to

characteristics are listed in Table 1-2.

l

at

+10 dBm

fully ccw in de-

dB

dB

25°C)

5S°C.

MODULATION

External

Frequency

FM

2

Response:

Maximum Deviation: ±

Internal

External

1

kHz

maximum

AM:

square wave

power:

2

AM:

Sensitivitytoa - 10V

power:
Frequency
Modulation:

>35

dB

Response:

>50%

l

DCto500

15

MHz

ON/OFF

>35

dB

kHz

Ratio

inputatmaximum

DC

to

10 kHz

AM

at

3

Approach

desired frequency from low-frequency

endofthe band.

1-3

General

Information

Model

86220A

Table 1-2. Supplemental Characteristics for

Frequency

Range:

Useable Range:

Frequency

Drift

Frequency

one

Drift:

<200

hour

Accuracy in

med Mode:

Typically ±6 MHz.

Frequency

Reference

IV/GHz

FREUUENCY

10 to 1300

kHz

per

warm-up .

Output:

POWER

MHz

ten

minutes

Remote

SUPPLEMENTAL

after

Program-

CHARACTERISTICS'

86220

External

Frequency

60

z

o

>=

«

-'40

:)

o

~

...

--

~20

u

Ul

'"

a..

o

100

Hz

in 8620A, 8620B, or

AM:

Response: See

two graphs.

--

+tttt~3%DI'

f-+-

--

Power Flatness:

Any 20 MHz Portion: <±O.

Stability

Power

Broadband Noise

Noise Level:

with

Temperature

Change

<-

(0

(In

60

100 kHz

dBm

to

I dB

Change:

55°C): ±0.25 dB

bandwidth):

Typical

86220A

(at

MODULATION

External

Sensitivity:

Impedance:
Frequency

10.----r------r-------,----r-----,

~8\---~_=----+-----1---+------j

~

z

o 6

>=

«

~4t-----+------=~~

o

'"

~

2/-----+----+-----t

two

FM:

Approximately

50

Response: See

graphs.

ohms

+3.5 MHz/V

the

following

1 kHz100 Hz

Typical

86220A

AM

(at

GENERAL

Oscillator Type:
Net

Weight: 5

Heterodyne

pounds

Dimensions: Height:

Width: 5

o

D~----:I:7.00:------::200±-:---300:+:----:400"!:----=500

Typical

86220A

FM

RATE (kHz)

FM Distortion Curve

Depth:

8620C

the

following

f---

-----.- --

-m

0

_+

(°'11

,>

~D:fl

~

1 kHz

AM RATE

AM

Distortion Curve

+10

dBm)

lD

(12,7

13/16"

kHz

em)

(14,7 cm)

AM

RATE

Frequency Response

20%AM)

CHARACTERISTICS

(2,2 Kg).

5"

12" (30,5 em)

_.

....

~

:-...

....

'"

10 kHz

100

kH,

~

z

-4

~

~

-8

u

Z

Ul

5

-12

Ul
\L

'"

::l:

-16

\L

1kHz

Typical

i

i

I

,

II

10 kHz

86220A

(at 1 MHz peak deviation)

, The values in this table are

to

the user.

1-4

,

:

' I

I I

!

I

I

'.'

Ii

II
II

100 kHz

FM

RATE

i'-

,

j'o.l,

!

I

I

"-

I

I

!

I

,

:

i:

I

I
I

II

1 MHz

:

I J

I
I I

III

I

I

I-

!

I!

i I .

1\

10MHz

FM Frequency Response

not

specifications

25.4

® (1)

B

1...

.•..--.---.-----.-••...•..

,L--

11

"0'

\

\

[

""U,,--

-------'-

II.

©I-

-J)15:J@

;:::::=1

~:~~''')

===1

0

Options:

Option
Option

but

are typical performance characteristics included for information

002: 0to70

dB

004: Rear panel

attenuator
RF

OUTPUT

itl6

IU1/4)

-.

I

--'_---L...l.

~oo

r~

Model

86220A

General Information

1-25. OPTIONS

1-26.

built-in

RF

1-27.

1-28.
programmable
trols the RF
panel
002 is

1-29.

1-30. Option 004 moves the RF
tor
plete information for Option 004

Options

attenuator

are

available

(1)

to include a70dB

and (2) to provide rear-panel

output.

Option

Option

switch.
in

Appendix

Option

002

002

provides

attenuator.

outputin10

Complete

A.

004

an internal 0 to 70-dB

The

attenuator

dB

steps

with

information for Option

output

from the front panel to the rear panel. Com-

is

in Appendix

1-31. ACCESORIES SUPPLIED

1-32.

RF
The

and

86220-00007.

the

Two

Plug-in.

dial

scale

8620C

8620B

frequency

The

scales

supplied

mainframe

The

dial

mainframes

scales are supplied with the

are

and used

scale

shown

has

supplied

has

in Figure

with

HP

and

HP

the

Part

Part

86220-00008.

a front-

connec-

8620A

used

con-

B.

1-1.

No.

with

No.

1-35. EQUIPMENT
1-36. Service

1-37. A
a plug-in
ment
purchased
Accessories

Service
extender

tools, and a coaxial

from

package is
This is available for
troubleshooting
and

the oscillator modules. A complete list

equipment

included in the

package is given

1-38. Service

1-39.

Other

service
86220A are available
your

nearest

aids

needed

RF

Plug-in are

Hewlett-Packard

specifically for servicing the 86220A

AVAILABLE

Accessories

Accessories

cable,

package containing

extender

board, adjust-

extender

Hewlett-Packard.

Part

Number

convenienceinaligning and

the mainframe, the

Service

in

Table

1-3.

Aids

aids

helpful in servicing the

and

maybeordered

Office.

shown

in Figure 1-3.

1-40. RF Section 36-Pin Extender

1-41. A 36-pin
ing

the

RF
allows
front
Figure

easy

of

the instrument. This

1-4,

Packardbyordering

extenderisavailable for

Section

approximately [ inch.

accesstocomponents

extender,

may

be

obtained

Part

No. 08621-60056.

located

from

cable may be

The

Service

08620-60030.

RF

Plug-in,

of

Accessories

through

The

service

extend-

This

near

the

shown in

Hewlett-

1-33.

EQUIPMENT

SUPPLIED

1-34.

lator

To

unit,

have a

the
plugged into a
lator

mainframe.

REQUIRED

complete

Model

Model

Table 1-3.

Oty

1
1
2

1

1

1
2 RF Service Cable

operating

86220A

8620A, B,

18 pin Ex tender Board
8633A Troubleshooting Board
RF Connector, straight adapter,
to
Extender Cable

Service Board

Alignment Tool

RF

orC

EquipmentinService Accessories package No. 08620-60030

SMA

Jack

BUT

sweep

Plug-in

Sweep

NOT

oscil-

must

be

Oscil-

Description

1-42. RECOMMENDED TEST EQUIPMENT

1-43.

for

ing, and
86220A

stituted

Table

1-4

performance

repair

RF

Plug-in.

ifitmeets

lists allofthe
tests,

adjustments,

of

the

Hewlett-Packard

Other

equipment

or

exceeds

equipment

specificaitons listed in the table.

Part

Number

5060·2041
08633-60012

SMA

Jack

1250-1158
08620·60032
08620·60037
8830-0024
8120-1578

required

troubleshoot-

Model

may

be sub-

the

critical

1-5

General

Information

Model

86220A

Item

Extender
RF
RF

22 Pin

•

•

o

'"

Included in Service Accessories package

1-6

End
Type N to SMA Adapter

Cab!e*
Service Cable*
Connector

(SMA

Extender

wrench

Figure 1-3. Service

straight adapter (2)

jack

to SMA jack)*

Board

5/16

Box end slotted.

HP

Part Number 08620-60030.

D

escri

pti

Aids

on

for the 86220A

HP

Part N

08620-60032
8120-1578

1250-1158
5060-0630
08555-20097
1250-1404

urn

ber

Model

86220A

General

Information

Table J-4.

Instrument

Sweep Oscillator No
Test

Oscillator

Signal Source

Frequency
Power

Thermistor

DC

Digital Range

Voltmeter

Oscilloscope Vertical Bandwidth:20MHz

Spectrum

DC

Power

Counter

Meter and

Mount Range:

Analyzer Frequency Range:

Supply

Substitute

Frequency: 10 Hz

Output:

or

Range: 10to1300 MHz

Frequency: 10

Accuracy: 0.05%

minimum

Vertical Sensitivity: 5 mV/Div

Horizontal Sweep

Rate:

10 MHz

Range: 0
Current: 0.1 Amp

Recommended

Critical Specification Recommended for Model

to

2 MHz

316V

into

50

600

ohms

to

1300 MHz

+10

dBmto-20

-SOVto+50V

Ills/Div max.

to

3 GHz

to10Vdc

dBm

Test

Equipment(lof

2)

Use*

HP

8620A,B,or

HP 651B

HP 5340A P,A,T
HP

432A/8478B

HP

3460B

HP

180C/1801A/l820C

HP

8555A/85S2B/1411

HP

721A

C

P,A,T

P,T

P,A,T

A,T

P,A,T

P,T

P

Crystal

Power

10

20dBAttenuator

AdjustableACLine

RF

RF

Extender
Alignment Tool**
End

Detector

Splitter

dBAttenuator

Transformer

Service Cables**

(2 reqUired) Connectors: SMAtoSMA

Connector

Adapter**

Board 22-pin

Wrench

Frequency: 10 to 1300 MHz HP 423A

SWR:

<1.5

Frequency: 10to1300 MHz HP

dB

attenuation

(6

SWR:

<1.3

Attenuation:10dB
SWR:

<1.3

Attenuation:20dB

Output:
Power:

Impedance: 50 ohms

SMA

Hex

5/16

100to150 Volts

150

watts

JacktoSMA Jack

Connector

end,

non

magnetic

inch Special Box end

slotted

in each arm)

±0.5

dB

±l.O

dB

ac

11667A

HP

8491A

Opt. 010
HP

8491A

Option
General Radio

MT3A
HP

HP

020

8120-1578

HP

1250-1158

HP

5060-0630

HP

8830-0024
08555-20097

P,T

P,A,T

P,A,T

P

P,T

A,T

T

T

A

T

* A"'Adjustment; P"'Performance Test;

**These

parts

are included in Service Kit 08620-60030.

T"'Troubleshooting.

1-

7

General Information

Model '86220A

Table 1-4.

Instrument

TypeNto

Adapter

Allen Wrench

RMS

BNC Cable

Assembly

Low-Pass Filter

Directional Coupler

**A=Adjustment;
**These parts are included in Service Kit

SMA Connectors:

Voltmeter

P=Perfonnance

Critical

N jack

5/64

inch

Scale:
Accuracy: ±5%

Frequency

2MHz

Length: 2 feet

Cut-Off

Frequency:

Recommended

Specificati

SMA plug

RMS

Volts

Range: 10 Hz

Frequency:

0.1-2.0

Test;

08620·60030.

Test

Equipment(2of

on

&

to

700

MHz

GEz

T=Troubleshooting.

2)

Recommended

HP

1250-1404 A,T

HP

8720-0019

HP

3400A

HP

11086A

HP

360A

HP

796D

for

Model

Use*

A

P

P

P

P

1-8

o 36-Pin Male
e 36-Pin Female

e I-inch 20-Gage

Figure 1-4.

RF

Connector

Connector

Wire

Section 36-Pin

(2 x 18)

HP

Part

No.

1251-0483

(2 x 18)HPPart No. 1251-0484

HP

Part No. 8151-0011

Extender

(HP Part No. 08621-60056)

Model

86220A

Installa

bon

2-1. INTRODUCTION

2-2.

This

section
lationofthe
tion

of

ping requirements.

instrument

the

frequency scale, and storage and ship-

covers

initial

intoamainframe,

2-3. INITIAL INSPECTION

2-4.

Inspect

If

the

shipping
damageditshouldbekept
shipment

and

the

cally

and

shouldbeas

checking

tion

IV.Ifthe

pass

the

86220A

If,

after

the

instrument
specifications,
the

applicable
function
procedures
mainframe
pass

the
contents
damage

Packard
aged,
stress,
Packard
carrier's
repair
settlement.

or

notify

or

the

shipping

containerorcushioning

have

been

instrument

elecrically.

showninFigure

electrical

instrument

electrical

Adjustments

the

86220A

combination

refertomainframe

mainframe

is

suspected,

section

Manual.

above

are
or
office.Ifthe

the

office.
inspection.

electrical

incomplete,orif

defect,

cushioning

the

carrieraswell as

Keep

replacement

until

checked

has

been

The

contentsofthe

performance

peformance

(Section

adjustments

Manual.

refer

of

this

If

the

tests,orif

notify

shipping

material

the

The

HP

without

inspection,

container

the

checked

1-1.

combination

V)

still fails

to

manual

instrument

thereismechanical

the

shipping

office will

for

damage.

material

contentsofthe

for

completenes.s

mechanr­shipment

Procedures

are

giveninSec-

does

tests,

containerisdam-

waiting

refer to

in this

have

been

Adjustments

Ifa

circuit

troubleshooting

or

applicable

does

the

shipment

nearest

shows

the

materials

arrange

Hewlett-

Hewlett-

for

SECTION

II

INSTALLATION

2·8.

instal-

installa-

for

not
the

manual.

made.

to

meet

mal-

not

signs

for
for

claim

in

of

2-9.
the following limitations:

Temperature 0
Humidity
Altitude

is

2-10. Mating Connectors

2-11.

Model

This

table

HP

Part

numberofan

2·12. Interconnections

2-13.

For

ate,itmust

mainframe.
Plug-ill into
terface

connector

2-14.
frame:

a.

Set
to off.

b.

Position
rectangular
ward

Operating Environment

The

operating

The

mating

86220A

identifies

Numberofa

alternate source.

the

be plugged into

Connectionismadebypushing

the

connector

J6.

To

install

Model

rearofunit.

environment

connectors

RF

Plug-in are

each

connector

mating

Model 86220A

mainframesothat

PI

mates

the

RF

Plug-in into the maIn-

8620A/B/C

the

drawer

cutoutisexposed

mainframe

latch

with

should be within

to

<95%

<15,000 feet

used

in

showninTable

and

gives

connector

RF

Plug-in to

an

8620A, B,

handlesothat

the

the

mainframe

line

and

and a

plug-in in-

slotisto-

55°C

relative

the

HP

2-1.

the

part

oper-

or

the

RF

switch

the

C

2-5. PREPARATION FOR USE
2-6. Power Requirements

2-7.

When

erly

installed,
through
8620A, 8620B,or8620C
frame.

the

the

rear

Model

it

obtains

connector

86220A

all

Sweep

RF

necessary

from

Plug-in is

the

HP

Oscillator

prop-

power

Model

main-

c. Slide

partment.

d.

The
ing pin and

e.

Press
ing
closedorflush

RF

drawer

latch

in

on

unit

into place

latch

handle

starttomove

handle

RF

downward

Plug-in, until

with

front

toward

slot

rearofcom-

will

engage

down.

while still push-

drawer

panel.

lock-

latch

is

2-1

Installation

Model 86220A

Tobie 2-1. Model 86220A Mating Connectors

Connector

RF OUTPUT

FM

INPUT

FREQ REF

In

terface PI Micro-Ribbon 36

2-15.

Frequency

12

13

J1

TypeN,Male, UC 2IC/U

BNC, Male, DC 88/U

BNC,

Contact Rack and
Panel Plug

Scale

Industry

Identification

Male, DC 88/U

Installation

~~~~

To

prevent
pointers
rotated,
scaleisfirmly in
band

drum

2-16.
frequency scale
front panel, proceed

a. Select

Swing-down

correct

damage

when

make

bandswitch

certain

place

edges.

Front

in

a mainframe with a swingdown

as

scale. (See Figure 1-1.)

to

that

and

Panel.

follows:

frequency

drum

frequency

flush

with

To

install a

is

HP

Part

Number

1250-0882

1250-0256

1250-0256

1251-0484

2-17.
quency scale in a mainframe with a stationary
front panel, proceed as follows:

a. Select

Stationary

correct

I

With

the

top

nals

are

exposed
tages
".love
8620A/B/C

capable

the

AC

before

Specialty Connector

Specialty Connector

Specialty Connector

TRW, Cinch

Front

scale. (See Figure

WARNING

cover

of

causing

I

ine

Alternate

Source

25Pl17-2

28P118-1

28Pl18-1

57-20360-375

Panel.

To

I

removed,

that

have

death.

cord

continuing.

from

Div.

install a fre-

I-I.)

termi-

AC

vol-

Re-

the

b.

Disengage
handle and tilt front panel down.

Depress

c.

position is accessible.

If

necessary
scale,
away

from

scale.

d. Insert frequency scale so key (l/2-inch wide

protrusion) fits into
drum.
hand edge
place.

Return

e.

re-engage front-panel latch handle.

2-2

mainframe

BAND

exertapressure

drum

Then

of

front panel to upright position, and

Lever

NOTE

to

removeafrequency

on

exert

inward pressure on right-

frequency

front-panel

until desired drum

OUTWARD,

right·hand

notchonleft-hand side

edge

scaletosnap

latch

of

it in

of

b.

Turn

off

instrument and remove 8620AJB/C

top

cover.

c.

Depress
ition is accessible.

If

necessary
scale,
away

of

d.

Insert Frequency scale so key
wide protrusion) fits into notch
side
right-hand edge

in place.

BAND

exertapressure

from

scale.

of

dlum. Then exert inward pressure on

lever until desired drum pos-

NOTE

to

removeafrequency

drum

on

of

frequency scale to snap

OUTWARD,

right-hand

edge

(a

on

left-hand

1/2-inch

it

Model

86220A

Installation

2-18. STORAGE AND SHIPMENT
2-19. Environment

2-20.
environments

Temperature: . . . . . .

Humidity:
Altitude: Up to

The
temperature

within

The

instrument

instrument

extremes

the

instrument.

within

should

maybestoredorshipped

the

following limits:

--400C to +750C

also be

which

protected

cause

2-21. Packaging

2-22. Original Packaging.

erials

identicaltothose

are

available

the

instrument
Packard
type

of

number,

container

-

any

correspondence,

model

for

servicing,

service

and

FRAG

number

through

is

being

required,

fuJi

serial

ILEtoassure

and

full serial

Hewlett-Packard

refertothe

Containers

usedinfactory

returned

attach

a tag indicating

return

number.

careful

number.

address,

Also,

Up

to

95%

25,000

condensation

packaging

to

handling. In

instrument

from

and mat-

offices.

Hewlett-

model

mark

feet

the

the

in

If

by

2-23. Other Packaging.

instructions

commercially

a.

Wrap
tic.
or
type
model

b.

Useastrong
wall

is

c.

Use

inch

to

ment
panel with

d. Seal

e.

Mark

assure

should

available materials.

the

instrumentinheavy

(If

shipping to a

service

adequate.

enough

provide

center,

of

service

number,

carton

layer)

inside

the

madeof350-pound

shock-absorbing

around

firm

the

cardboard.

Shipping

the

shipping

careful handling.

be used for

attach

required,

and full serial

shipping

all sidesofthe

cushion

container.

container

The

following

re-packaging

paperorplas-

Hewlett-Packard

a tag indicating

return

container.Adouble-

and

Protect

securely.

container

address,

number.)

test

material

material(3of

instrument

prevent

the

FRAGILE

general

with

office

the

4

move-

control

to

2-3/2-4

Model

86220A

Operation

SECTION III

OPERATION

3-1. INTRODUCTION

3-2.

This

section
controls
Plug-in.Italso

3~.

3-4.
in

Figures

the

and

PANEL FEATURES

Front

and

3-1

numbers

indicatorsofthe

and

on

explains

describes

rear

panel

3-2.

the

illustration.

the

Model

typical

Description

operating

features

function

numbers

3-5. OPERATOR'S CHECK

3-6.

Figure
allowing
main

operator's

Plug-in is
mainframe.
mainframe,
are
the
testinSection
Plug-in is
the
the

instrument

not

RF

troubleshooting

problem.

3-3 isanoperator's

the

operatortomakeaquick

functions

check

installedinan

The

therefore,
obtained,
Plug-in is

working

assumes

8620A

test

covers

if

trouble

suspected,

IVtodetermineifthe

maybein

correctly.

treeinSection

that

the

the

use

check

prior

the

Sweep

RF

correct

the

Otherwise,

VIII

3-7. OPERATING INSTRUCTIONS

I

Any

interruption
(grounding)
outside
necting

could

ous.

the

the

make

Intentional

WARNING

conductor

instrument)

protective

this

instrument

interruptionisprohi-

of

I

the

earth

protective

(inside

or

bited.

3-8. Internal

3-9.

The

and

provides
through
directional
output

dc-,voltage to

circuitinthe

the

of

Leveling

standard

leveled

full

detector

the

amplifier

the

86220A.

86220A is

power

range

of

senses

automatic

and

at

zero

the

applies

level

internally

the

to+10

RF

control

of

86220A

modes.

are

described

match

procedure,

checkofthe

to

use.

86220A

Oscillator

Plug-in and

indications

either

unit.

performance

86220A

follow

to

isolate

or

discon-

terminal

danger-

leveled

output

dBm.

level

at

the

detected

(ALC)

the
RF

The

RF

RF

port

the

If

A

3-10. Internal AM

3-11.
frames
internal

providesanON/OFF

86220A.

3-12. External

3-13.
power
be
external

8620AlB/C

power

RF

have

RF

maximum

3-14. External

3-15.

quency

signal applied to
tor.
obtaining
the

positive
increase
output

3-16. Phase

3-17.

phase-locked
appliedtothe
phase-lock
a

frequency

the
phase

the
detected,
a
quency
frequency

reference

The

8620A/B/C

have

an

internal1kHz

amplitude

AM

At

approximately6dB

out,

the 86220A

amplitude

out,

attenuation

little

output

modulated

modulating

EXT

the

PIN

and

effect.)Anegative10volts

power

power

output.

FM

The

86220A

modulated

the

The

external

an

control

going voltage

whileanegative

frequencytodecrease.

output

of

an

FM

Lock

The

86220ARFoutput

usinganexternal
86220A

function

very

stable

source.Ifthe

difference

reference

correction

CW

stabilityofthe

CW
between

frequency

producing

signal

to its

previous

is

determined

oscillator.

Sweep

modulation

ratio

RF

from 0 to 100% using

signal

AM

connector.

modulatorisnear

external

to a levelatleast35dB

RF

output

using an

86220A

function

frequency

external

causes

Oscillator

square

of

the

of>35

output

dBonthe

below

(CW) signal

applied

(At

AM signals

reduces

signal

external

FM

providesameans

that

modulation

output

going

can
modulating

INPUT

varies

frequency

voltage

main-

wave

RF.

model

maximum

to

maximum

minimum

would

below

be

connec-

under

signal. A

causes

Operation

(CW) signal

phase-lock

FM

INPUT

providesameansofobtaining

frequency

reference

frequency

the

(reference

a dc voltage.

which

restores

point.

by

connector.

by

transferring

startstodrift,

CW

frequency

Thedevoltage

Stabilityofthis

the

stability

may

signal

oscillator

oscillator)

the

CW

of

for

This

can

an

the

the

fre-

of

to

be

The

the

to

the

and

is
is

fre-

CW

the

3-1

Operation

Model

86220A

3-18. Frequency Reference

3-19. A
rear-panel

locking
approximately

sweep

FREQ

external

signal

REF

equipment.

1V

/0

Hz.

outputisavailableatthe

connector

The

J3

sweep

for

phase

signal is

FRONT PANEL

3-20. Operator's Maintenance-Fuses

3-21.

fused in the mainframe. Supplies in the 8620A/B/C
mainframe

+20

the

fuse

Power

that

Volt,

- to Volt,

8620A/B/C

replacement.

circuits

are

usedtopower

and

Operating

in

the

-40

and

Model

Volt

Service

86220A

the 86220A

supplies.

Manual

are

are

See

for

o

POWER

put. The power output

marking. Power

the entire range

trol. Control at maximum counterclockwise

the
off.

e

FM

modulation signal.

LEVEL

OFF

INPUT

control.

is

internally leveled through

of

the POWER

detent position turns the

connector

J2.

Adjusts RF power out-

is calibrated

Input for external FM

Figure 3-1.

to

the dial

LEVEL

RF

Front

e

con-

in

power

o

Panel Controls

FM

INPUT

~=J

RF

OUTPUT

connector for output

When Option 004 is installed,
the RF OUTPUT connector
on the rear panel.

Drawer

pull out on the bottom

RF

the

and

Connectors

connector

Latch

Hanldle.Push

plug-in from the mainframe.

J1.

RF

signal.

NOTE

of

the handletoremove

Type-N 50-ohm

is

topofhandle, then

3-2

Model

86220A

Operation

REAR

-

'1'

__

1,..

·•

...

1

PANEL

o

Interface

tion
86220A

•

When
connectorismounted on the rear panel.

Connector

between

RF

Option

8620A/B/C

Plug-In.

004

is installed, the

P1.

Provides interconnec-

mainframe

RF

•

and

e,

output

Serial
FREQ

REF

imately 1

over

1.3V

MHz.

Figure 3-2. Rear Panel Connectors

Numbering

BNC

Connector

V/GHz

ramp

the

frequency rangeof10

label.

signal

J3.

Providesapprox-

outputor10mVto

-

BOO

3-3

Operation

OPERATOR'S CHECK

Model

86220A

OSCILLATOR

EQUIPMENT:

Sweep
RF
Oscilloscope
Crystal

10

SWEEP

SWEEP

Plug-in

dB

PLUG·IN

OUT

OUTPUT

Oscillator

Detector

Attenuator

RF

OSCILLOSCOPE

Q 0

-D°

VERT

INPUT

~o

-"

OD

000

D,@.D"@

@"@Olll"

__

_..11111

o 0

RF

10

dB

ATTENUATOR

CRYSTAL

DETECTOR

HP

HP

180C/t801AJt820C

HP

8491

A, Option 010

~

0

HP

86220A

HP

Z

AXIS

INPUT

EXT

HORIZ

INPUT

8620A

423A

3-4

Figure 3-3. Operator's

Check(1of

2)

Model

86220A

PROCEDURE:

1.

Set

controlasfollows:

8620A

BAND
START
STOP
CW (white)
MARKER
MODE

TRIGGER
TIME-SECONDS

TIME-SECONDS

1

kHz

RF

BLANKING/OFF

DISPLAY

OPERATOR'S CHECK

•................................

(green) 0

(red) 0

0

G!)

0

4D

• . 1 -

Vernier

SQ

WV/OFF

BLANKING/OFF

(rear-panel)

(rear-panel)

Low-frequency

High-frequency

•...............

(rear-panel)

10

to 1300

endofscale
endofscale

Center-scale

Full

Clockwise

RF

BLANKING

Operation

MHz

OFF

AUTO

INT

.01

OFF

OFF

2.

3.

continuous
(See

4.
oscilloscope

5.

Adjust

Press

6.
SQ

7.

Set
horizontal
rounding.

86220A

POWER

Depress
pushbutton

Check

Set

zero dBm.

the

that

Figure 3-4.)

MARKER

86220A

8620A

WV.

86220A

LEVEL

LINE

0 Full

pushbutton

switch

eto

turnonthe

Clockwise

instrument.

Press

O.

the

RF

Plug-in is

level signal line

switch

trace

as a pip.

POWER

The

oscilloscope trace should show a smooth decrease in signal amplitude.

CW

pushbutton

POWER

sweep.

LEVEL

The

displayed

sweeping

aboveorbelow

G!)

to

AMPL

LEVEL

•.

control

correctly

the

position

control

Set

square

8

rear-panel1kHzSQ

0 to

zero

wave

andisleveled. Thisisindicated by a

zero

voltdelevelonthe oscilloscope.

and

the

through

dBm.

should

marker

the

Set

nothave

should

full range

WV/OFF

oscilloscope

excessiveovershoot

appear

of+10

switch

START

on

the

dBm

to

to I

kHz

for internal

or

Figure 3-3.

Operator's

Check(2of

2)

3-5

Operation

o

VDC

I

POWER

OUTPUT

Model 86220A

Figure 3-4.

Leveled

RF

Power

Output

3-6

Model 86220A

Performance Tests

SECTION

PERFORMANCE TESTS

4-1. INTRODUCTION

4-2.

The

proceduresinthis section test the instru­ment electrical performance using the specifications
of

Table
can be performed without access to the interior
instrument. A simpler operational test
Section III under Operator's Checks.

4-3. EQUIPMENT REQUIRED

4-4. Equipment required for the performance tests
listed in the Recommended Test Equipment table
Section1.Any equipment that satisfies the critical
specifications given in the table may be substituted for
the recommended model(s).

4-5. TEST RECORD

4-6. Resultsofthe performance tests may be tabu-

1-1

as the performance standards. All tests

is

included in

of

the

in

IV

lated on the Test Record at the end of the procedures.
The Test Record lists all the tested specifications and
their acceptable limits. Test results recorded at incom-

in

ing inspection can be used for comparison
maintenance and troubleshooting and after repairs

adjustments.

NOTE

is

In the following procedure, an 8620A
mainframe
86208

is

specified. However,

or 8620C may be used, but the
control names will be different than
those called out

in

the procedure.
These procedures assume that the
mainframe

is

fully calibrated to its

specifications.

periodic

or

an

PERFORMANCE TESTS

4-7. FREQUENCY RANGE AND ACCURACY TEST

SPECIFICATION:

10

Frequency range:
Frequency accuracy (at 25° C ambient):
CW

mode: ± 10 MHz (Approach desired

All Sweep Modes:

DESCRIPTION:

The

CW

mode is checked at selected frequencies across the band to determine if the RF signal is within frequency

tolerance. Start-Stop sweep

to 1300

±

15

is

MHz

CW

frequency from low-frequency endofband.)

MHz (Sweep Time

then selected and checked at selected frequencies across the band.

>0.1

sec.)

4-1

Perfonnance

Tests

PERFORMANCE TESTS

4-7. FREQUENCY RANGE AND ACCURACY TEST (cont'd)

Model

86220A

SWEEP

OSCILLATOR

RF

PLUG·IN

RF

OUTPUT

Figure 4-1. Frequency Range

10

dB

ATTENUATOR

and

Accuracy Test

FREQUENCY

Setup

COUNTER

INPUT

EQUIPMENT:

Sweep Oscillator HP 8620A
RF Plug-in HP 86220A
Frequency Counter HP 5340A
10

dB

Attenuator HP 8491 A, Option 010

PROCEDURE:

a.

Connect equipment as shown in Figure 4-1. Connect frequency counter through a10dB attenuator to the

86220A RF

OUTPUT

connector.

b.

Set

controls

as follows:

86220A

POWER

LEVEL

8620A

BAND
MODE
TRIGGER
TIME-SECONDS 1

1 kHz SQ

RF

BLANKING/OFF

DlSPLA Y

WV

/OFF

(rear panel) OFF

(rear panel)

BLANKING/OFF

(rear panel) OFF

c. Set 8620A LINE switch to ON. Allow equipment

Set frequency counter to measure frequencies from

NOTE

Always approach frequency settings from low-frequency end.

d. Adjust

to each

CW

pointer to high-frequency end, then to low-frequency end; repeat several times. Set

of

the settings in Table 4-1 and check frequency accuracy.

Full clockwise

10

to 1300 MHz

MANUAL

INT

to

.01

RF

BLANKING

to

warmupfor 30 minutes. Press 8620A CW pushbutton.

10

to 1300 MHz.

CW

pointer

4-2

Model

86220A

PERFORMANCE TESTS

4-7. FREQUENCY RANGE AND ACCURACY TEST (Cont'd)

Performance

Tests

1

To

directly from

e.

avoid

error

Set

Sweep MODE
eachofthe
full

counterclockwise

CW

Pointer

Setti

(MHz)

10

50

100 90 MHz

300 290 MHz
500 490 MHz
800 790 MHz

1000 990 MHz

1300 1290 MHz 1310 MHz

duetoparallax

frontofinstrument

when

switchtoMANUAL. Press

settingsinTable

(CCW)orfull clockwise (CW)asspecified in

l

ng

setting

paneL

4-2

Table

Table 4-1.

CW

pointertoa frequency scale calibration

and

check

4-2.

START/STOP

CW

Dial Accuracy

START

frequency

Frequency

Minimum

OMHz

40MHz

pushbutton.

accuracy

with

the

Dial Accuracy

Counter

Set

START

MANUAL

table.

mark,

Indication

Maximum

'20
60MHz

310 MHz
510MHz
810 MHz

1010 MHz

view

pointer

and

STOP

sweep

MHz

110

MHz

control

and scale

pointers

either

to

START

pointer

setting

20
20
100
100

200 800

200
400
400
800
800

1300

1300

1

To

avoid

directly from

L

(MHz)

error

duetoparallax when

frontofinstrumen

STOPpointer

setting

(MHz)

1300
1300
1000

[000

800
600
600
200
200
20
20

t panel.

l

setting

MANUAL

sweep

control

CCW
CW
CW
CCW

CCW
CW
CW
CCW

CCW

CW

CW
CCW

CW

pointertoa frequency scale calibration mark, view

Frequency

Minimum

5 MHz

1285 MHz 1315 MHz
985 MHz lOIS MHz
85

MHz

]85

MHz
785 MHz
585 MHz 615 MHz
385

MHz 415 MHz

785

MHz

185 MHz

5 MHz

1285 MHz

counter

indication

Maximum

35

MHz

]15MHz
215 MHz
8[5

815 MHz
215 MHz
35

MHz

1315MHz

pointer

MHz

and

scale

4-3

PerfOlmance Tests

4-8. FREQUENCY STABILITY TEST

SPECIFICATION:

Frequency stability:

in

With lO%change

dB

With 10

power

line voltage: <

level change from specified

DESCRIPTION:

is

Frequency

measured for change due to line voltage and power level changes.

PERFORMANCE TESTS

±20

kHz

maximum

power:

<±20

kHz

Model

86220A

OSCILLATOR

ADJUSTABLEACLINE

TRANSFORMER

Figure

4-2. Frequency Stability Test Setup

EQUIPMENT:

Sweep
RF

Oscillator , , ,.., , HP 8620A

Plug-in , , ,

Frequency Counter , ,

10

dB

Attenuator , , , HP 8491A, Option 010

Adjustab[e AC Line Transformer General Radio MT3A

PROCEDURE:

Frequency change with line voltage change

SWEEP

RF

PLUG·IN

AF

OUTPUT

FREQUENCYCOUNTER

10

dB

ATTENUATOR

INPUT

HP

HP

86220A

5340A

a, Set controls as follows:

86220A

POWER

LEVEL

8620A

BAND.., , ,

CW

pointer

1 kHz

RF

DISPLAY

SQ

WV/OFF

BLANKING/OFF

BLANKING/OFF

, , , 650

b. Connect equipmentasshown

LINE

switch to ON; press

4-4

, , +10

,.

[0

to 1300

MHz
MHz

(rear panel) , ,

(rear panel) ,

(rear

panel), ,

RF

BLANKING

in Figure 4-2. Set adjustable line voltage transformer to 115 Vac.

CW

pushbutton. Allow 30 minutes warm up time.

dBm

OFF

OFF

Set

8620A

Model

86220A

PERFORMANCE TESTS

4-8. FREQUENCY STABILITY TEST (Cont'd)

c. Record the frequency indication on the counter at 115 Vac.

Set

d.

line voltage to 103 Vac with adjustable line transformer. The frequency change

should be less than ± 20 kHz.

e.

Set

line voltage to 127 Vac with adjustable line transformer. The frequency change from that noted in step c

should be less than

±20

kHz. Return line voltage to 115 Vac.

Performance

from

that notedinstep c

Tests

Frequency change with

f.

Note frequency indication on the counter. Set 86220A POWER
change should be less than

4-9. RESIDUAL

power

level change

±20

kHz.

FMIN10 KHZ BANDWIDTH TEST

LEVEL

control to zero dBm. The frequency

SPECIFICATION:

Residual

measuredina 10 kHz bandwidth

<5

kHz peak in

CW

mode.

FM

DESCRIPTION:

The

sweep oscillatorRFoutput CW signal is displayed on a spectrum analyzer. The residual FMisobserved on a

storage display by displaying

SWEEP

OSCILLATOR

fivesuperimposed traces.

RF

PLUG·IN

SPECTRUM

ANALYZER

RF

INPUT

EQUIPMENT:

RF
OUTPUT

10

dB

ATTENUATOR

Figure

Sweep
RF

Oscillator HP 8620A

Plug-in HP 86220A

4-3.

Residual

FM

Test

Setup

Spectrum Analyzer HP 8555A/8552B/141T

10

dB Attenuator HP 8491A, Option 010

4-5

Performance Tests

PERFORMANCE TESTS

Model

86220A

4-9. RESIDUAL

PROCEDURE:

a.

Connect equipment as shown in Figure 4-3.

b.

Set controls as follows:

86220A

8620A

c. Set 8620A LINE switchtoON; press 8620A

d. Center the

the signal identification procedure.

FM

IN

10 kHz BANDWIDTH TEST (cont'd)

POWER

BAND 10to1300
CW

I kHz

RF

DISPLAYBLANKING/OFF

RF

LEVEL

pointer 650

SQ

WV

/OFF (rear panel)

BLANKING/OFF

output signal on the spectrum analyzer. Verify that the oscillator fundamental is displayed by

(rear panel) OFF

(rear panel)

+

10

CW

pushbutton. Allow 30 minutes warm up time.

dBm

MHz
MHz

OFF

OFF

e. Set the spectrum analyzer

keeping signal centered on CRT display.

f.

On the spectrum analyzer, select LINEAR display and adjust LINEAR
full eight division display.

g. Set SCAN TIME

h. Push SINGLE sweep pushbutton five times at approximately one second intervals and store the resultant

traces on the

1. The trace should be similar

less than

10

PER

CRT

screen.

kHz

(two divisions).

BANDWIDTH

DIVISIONto20 msec and set SCAN MODE to SINGLE sweep.

to

Figure 4-4.

to 10 kHz and

The

FM deviation measured across the topofthe trace should be

SCAN

WroTH

SENSITIVITY

PER DIVISION to 5 kHz while

vernier control for a

4-6

Model

86220A

PERFORMANCE TESTS

Performance

Tests

4~9.

RESIDUAL

FMIN10 kHz BANDWIDTH TEST (cont'd)

\-.-

PEAK-

-~~TT.~T"T

Figure 4-4. Residual FM DisplayedonSpectrum

i

"JrooRESIDUAl

! '

TO-PEAK

FM

Analyzer

4-10. POWER LEVEL AND VARIATION TEST

SPECIFICATION:
POWER LEVEL:

(For

calibrated

Calibrated

Power

Power

DESCRIPTION:

Maximum
of

oscilloscope
notedonthe

variation at

10

to

750 to 1300

stability with 10%

the

86220A

frequency

Leveled

maximum

1300 MHz: <

MHz

leveled

power

with no options installed.

trace.

The

power

range,at25° C)

Power: zero

±O.5

with

sweep

Line

is measured with a

traceiscalibratedbychanging

meter

and the

to+10

leveled power:

dBl

time

>0.1

voltage Change:

Power

corresponding

dBm(±1 dB)

sec: <±O.2 dB

<±0.1

power

meter.

variations across the

change

dB

The

power

theRFoutput

in traceonthe oscilloscope.

output

bandofa

powerbythe

specification is stated for the output

swept

signal are measured on the

amountofthe specification as

4-7

Performance

Tests

PERFORMANCE TESTS

4·10. POWER LEVEL AND VARIATION TEST (Cont'd)

SWEEP

OSCILLATOR

RF

PLUG-IN

RF

OUTPUT

10

dB

ATTENUATOR

THERMISTOR

MOUNT

POWER

• •

.-

o •

METE

R

INPUT

Model

86220A

(

EQUIPMENT:

PROCEDURE:

Initial

a.

b.

control

Connect

Set

controls as follows:

8620A

Figure 4-5.

Sweep
RF
Power

Oscillator

Plug-in

Meter

Oscilloscope

Adjustable AC Line
Crystal
Power
Thermistor

10

Detector

Splitter

Mount.

_

dB AttenuataI' HP 8491A,

Power

Level

and

Variation

Test

_ HP

Transformer

Setup

180C!180IA!1820C

General Radio

settings

eguipmentasshowninFigure 4-5.

BAND
START

CW

STOP

pointer

pointer 650

pointer 1300

_ 10 to 1300

MARKER
MODE

TRIGGER
TIME-SECONDS
TIME-SECONDS

1

kHz

SQ

WV!OFF

RF

BLANKING/OFF

DlSPLAYBLANKING/OFF

Vernier

(rear

(rear

panel)

panel)

(rear

panel)

LINE

HP

8620A

HP

86220A

HP

432A

MT3A

HP

423A

HP

11667 A

HP

8478B

Option

010

MHz

10

MHz
MHz
MHz

OFF

AUTO

INT

1 to .01

Full Clockwise

OFF

OFF

OFF

ON

4-8

Model

86220A

PERFORMANCE TESTS

4-10. POWER LEVEL AND VARIATION TEST (Cont'd)

Perfonnance

Tests

Maximum

Leveled

Power

c. Press 8620A START pushbutton. Adjust POWER

of

power output at the RF OUTPUT connector

actual attenuationofthe10dB

d. Adjust POWER

of

connector

the 86220Aasfollows: add the power meter indication to the actual attenuationofthe10dB

LEVEL

control to the +10dBm mark. Calculate the power output at the RF OUTPUT

attenuator. This total should be +

Leveled

Power

Variation

attenuator. This total should be zerodBm ± I dB.

10

dBm ± 1 dB.

the 86220Aasfollows: add the power meter indicationtothe

e. Connect equipment as shown in Figure 4-6.

AOJUSTABLEACLINE

TRANSFORMER

SWEEP

OS~LLATOR

RF

PLUG~N

LEVEL

POWER

o •

control to the zero dBm mark. Calculate the

METER

•

.-

INPUT

OSCILLOSCOPE

EXT

HORIZ

INPUT

f.

Set adjustable AC line

OETECTOR

Figure 4-6. Leveled Power Variation Test

transfonnerto115 Vac. Press

8620A

CRYSTAL

CW

pushbutton.

Setup

VEAT

INPUT

Adjust oscilloscope trace

the bottomofthe display and note trace position. Decrease theoutput power indication on the power meter by

1.0 dB by adjusting the 86220A POWER

trace. Again set POWER

LEVEL

control fully clockwise then decrease power by

LEVEL

oscilloscope trace. (The area between the positions noted represents the leveling tolerances

±0.2

dB.)

control counterclockwise. Note positionofoscilloscope

0.4

dB and note position

of

±O.5

dB

and

g. Press 8620A START pushbutton, and set rear-panel RF BLANKING/OFF switch to RF BLANKING.

Adjust 86220A POWER

h.

Adjust the positionofthe oscilloscope trace vertically so that itisdisplayed between the upper and lower

LEVEL

control fully clockwise for maximum leveled power.

specification limits noted in Step f for 1.0 dB. The highest and lowest portion of the sweep trace must be

dB

within the 1.0

peak-to-peak limit noted.

to

of

4-9

Perfonnance

Tests

PERFORMANCE TESTS

4-10. POWER LEVEL AND VARIATION TEST (Cont'd)

Model

86220A

1. Set

J.

the

8620A

.the position

START

of
specification limits
must

Note

be within

power

the

meter

controlto750

the

oscilloscope trace vertically so

noted

in

step f for 0.4 dB. The highest and lowest

0.4dBpeak-to-peak limit noted.

indication. Reduce ac

meter indication should not change more than

4-11. POWER LEVEL CONTROL TEST

SPECIFICATION:

Power Level:

(For calib!:ated frequency range, at 25°

RF OFF level (control fully ccw in detent): Below

DESCRIPTION:

is

The powerlevel

checked on a spectrum analyze!: with the POWER

MHz

C)

power

and

set

TIME-SECONDS switch to

thatitis displayed between

from adjustable ac line

±O.l

dB.

-40

dBm

LEVEL

1-.1

seconds.

the

upper

portionofthe

transfonnerto103 Vac.

Adjust

and

lower

sweep trace

Power

controlinthe OFF (detent) position.

SWEEP

OSCILLATOR

RF

PLUG.IN

RF

OUTPUT

Figure

4-7.

EQUIPMENT:

Sweep Oscillator HP 8620A

RF

Plug-in

Spectrum Analyzer
PROCEDURE:

a. Connect equipment as shown in Figure 4-7.

b. Set 86220A

POWER

LEVEL

control to +

RF

10

OFF

dBm.

Detent

SPECTRUM

Test

ANAL

HER

!@@@

-

..

:~0~.

Setup

HP

8555A/8552B/141T

HP

INPUT

86220A

4-10

Model

86220A

PERFORMANCE TESTS

4-11. POWER LEVEL CONTROL TEST (Cont'd)

Performance

Tests

c. Select

top graticule

d. Set

fundamental at or below

LOG

POWER

display. Adjust spectrum analyzer to place the peakofthe 1000 MHz fundamental signalatthe

of

the CRT.

LEVEL

control fully counterclockwise to

-40

dEmo

OFF

detent. Spectrum analyzer should display the

4-12. EQUIVALENT SOURCE SWR TEST

SPECIFlCA

SWR:

nON:

<1.3

Impedance: 50 ohms nominal

DESCRIPTION:

is

The incident signal from the 86220A
This incident signal from the 86220A contains

The

reflected signalisdevelopedasfollows. The original oscillator signal travels down the

open

end,

cable, sees the

RF

OUTPUT

out

of

connectorofthe

the

86220A.

This reflected signal adds and

and is reflected backtothe

However,

the
subtracts

measured using a directional coupler, crystal detector, and oscilloscope.

(1) the initial signal from the oscillator, and (2) the reflected signal.

86220A

greater

sees the

the

in and

perfect

mismatch, the greater

outofphase with the

86220A

source.Ifthe reflected signal going

50-ohm source

match,

the

reflected signal

incident

playedonthe oscilloscope.

20-foot

no

signalisreflected back

outofthe

coaxial

into

the

86220A.

oscillator signal andisdis-

SWEEP

OSCILLATOR

SWEEP

OUT

RF

PLUG·IN

OSCILLOSCOPE

RF
OUTPUT

'---";;':'~-oE~~:>-...:...=-=.:-=.:...:...-

Figure

DIRECTIONAL

COUPLER

INPUT

4-8.

Equivalent Source SWR Test

son

10TO20

MAINLINE

CABLE

FEET

DETECTOR

LONG

CRYSTAL

OPEN

~~~~HORIZ

iF

VERT

INPUT

Setup

EXT
INPUT

4-11

Performance

Tests

PERFORMANCE TESTS

4-12. EQUIVALENT SOURCE SWR TEST Cont'd)

EQUIPMENT:

Model

86220A

Sweep Oscillator
RF

Plug-in

Oscilloscope HP 180CI1801AIl820C

Crystal De

20

10 to

feetof50-ohm Coaxial Cable RG

Directional

PROCEDURE:

a. Connect equipment

Set

b.

controls

as follows:

8620A:

BAND 10 to 1300 MHz
START
STOP

(green) 100 MHz

(red) 1300 MHz
MARKER
MODE AUTO
TRIGGER

TIME/SECONDS 1 - .01

TIME-SECONDS

I kHz

SQ

BLANKING/OFF

RF
DISPLA

c.

Set

8620A

Y

LINE

tector

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HP423A

Coupler.

as

shown in Figure 4-8.

Vernier

WV

/OFF

(rear panel) OFF

(rear panel) RF BLANKING

BLANKING/OFF

switchtoON;

press

(rear panel)

START

pushbutton.

2l4/U,

HP8620A

86220A

or approx. equivalent

HP

796D,

0.1-2.0

Full Clockwise

GHz

OFF

INT

OFF

d. Note maximum amplitude point from zero Vdc on oscilloscope.Ifitisgreater than - 25 mV, adjust 86220A

POWER

LEVEL

control counterclockwise for - 25

ill

V maximum peak trace to place the crystal detector in

square-law output range.

e. Display swept

MAX

IV

V

f.

Determine the loss at selected frequencyofthe lengthofcoaxial cable (between coupler end and cable open

power

MIN)-

output trace on oscilloscope (Figure 4-9). Select several points on trace and calculate

end), using manufacturer's specification for loss/foot. (Refer to Table 4-3.)

g.

Convert VMAX/VMIN ratio noted in step e into source match

f.

The

SWR

calculated in step

value should be

<1:3:1.

SWR,

using Figure 4- 10 and the cable loss

4-12

Model

86220A

PERFORMANCE TESTS

4-12. EQUIVALENT SOURCE SWR TEST Cont'd)

Perfonnance Tests

ZEROVOLT

REFERENCE

'~

RG

Cable
Type

58/U
98/U
55A/U
58A/U
58C/U

177/U
212/U
213/U
214/U
215/U
217/U
218/U
219/U
220/U
221/U
223/U
224/U

0.1

2.4

2.3

4.8

6.2

6.2

0.95

2.4

2.1

2.3

2.1

1.5

0.95

0.95

0.69

0.69

4.8

1.5

Figure 4-9. Typical Patternofa

4-3.

Loss in Coaxial Cable

0.4

GHz

Table

Attenuation (dB/l00 ft.) at Frequency Selected

0.2

GHz

3.6

3.4

7.0

9.2

9.2

1.5

3.6

3.1

3.4

3.1

2.3

1.5

1.5

1.12

1.12

7.0

2.3

5.2

5.2

10.5

14.0

14.0

2.4

5.2

5.0

5.2

5.0

3.5

2.4

2.4

1.85

1.85

10.5

3.5

GHz

Swept

• I

SWR Measurement.

0.6

L25TAX

GHz

6.6

6.5

13.0

17.5

17.5

3.2

6.6

6.5

6.5

6.5

4.4 6.0

3.2

3.2

-

-

13.0

4.4 6.0

1

8.8

9.0
17

23.5

23.5

4.5

8.8

8.8

9.0

8.8

4.5

4.5

3.6

3.6

17.0

GHz

3

16.7

17
32
45
45

9.5

16.7

17.5

17

16.7

11.7

9.5

9.5

7.7

7.7

32

11.7

GHz

4-13

Performance Tests

8i----r-----,--------r----,----r------,-------.

7,---r--------i----f----+----+-------1r---~~

6!---r--------j----t----+----+----+~--~

SPEC

Model

UNLEVELED

o

dB

250

86220A

LOSS

5r--------t----+----+---+----7lL------+----~

4

r----t----+------i----4~-----l-------:A---~

SPEC.

LEVELED

1.60

1.0

dB

LOSS

3r----t---~f_---It----V~--+-----,.~--~

2.9

2.8

2.7

2.6

2.5

1----r----+--"7I.-----1-/----+---::;~-+------+---~~

2.4

2.3

2.2

2.1

2r-----r--~f-+-r----~L----h~--+-----d.--c:.=----1

1.9

1.8

1.7

1.6

4-14

1.5

j------ti7f----r--~~--~4----+----+------+----~

1.4

1.3

1.2

r-~H7-:;/O"c-----j-----/-----+-----i-----I----------J

1.1

1~----:-::--------:--::-::----~---~---~----l..------.J

1.00

1.25 1.50

1.75

SOURCE

MATCH

2.00
VSWR

2.25

Figure 4-10. GraphtoConvert Oscilloscope TracetoSource Match

2.50

SWR

275

Model

86220A

4·13. SPURIOUS SIGNALS TEST

SPECIFICATION:

PERFORMANCE TESTS

Performance

Tests

Harmonics

10 -

750-1300

Nonharmonics:

DESCRIPTION:

The

outputRFsignal

that

the

spurious

in dB

750

signal

OSCILLATOR

~

00

below

MHz:

MHz:

Below

from

fundamental

>25

>30

-40

the

sweep

outputisbelow

SWEEP

PLUG·IN

00

dB

dB

(>35

(>40

signal at

dBatzero

dBatzero

maximum

dBm

dBm

power:

output)
output)

dBm

oscillatorisdisplayedinfrequency

the

specified

RF

level.

SPECTRUMANAL

domainbya

.]

RF

OUTPUT

10

dB

ATTENUATOR

Figure 4-11. Spurious Signals Test Setup

YZER

spectrum

RF

INPUT

analyzer

to verify

EQUIPMENT:

PROCEDURE:

a.

Connect

b.

Set

controlsasfollows:

86220A

8620A

Sweep
RF
Spectrum
10 dB

Oscillator

Plug-in

Analyzer

Attenuator

equipmentasshowninFigure

POWER

LEVEL

BAND
CW

pointer

1

kHz

SQ

WV/OFF

RF

BLANKING/OFF

(rear

(rear

panel)

DISPLAYBLANKING/OFF

4-11.

panel)

(rear

panel)

HP

8555A/8552B!l411

'.

HP

8491A,

10 to 1300

RF

HP

8620A

HP

86220A

Option

010

+

10

dBm

MHz

650

MHz

OFF

BLANKING

OFF

4-15

Perfonnance

Tests

PERFORMANCE TESTS

Model

86220A

4-13. SPURIOUS SIGNALS

c. Set 8620A

LINE

switchtoON; press CW pushbutton.

TEST

(Cont'd)

NOTE

The analyzer originates some mixing harmonics that may appear on the
display. If a signal

isinquestion, increase the spectrum analyzer input
attenutio'n by 10 dBm, note if signal decreases in amplitude by 10 dB, then
return the attenuator to the original position. If the signal in question
comes from an external source, it will change by 10 dB. If the signal

question originates in the spectrum analyzer, the level will either change

or

by greater or less than 10 dB

d. Adjust 8620A

Identify signal in question as harmonic or as non-harmonic and measure the difference in
signal level and the level
dB below the fundamental. Harmonicsofthe 750 to 1300
fundamental. Nonharmonic spurious signals should be below

e. Set 86220A

CW

control through the 10 to 1300

of

the fundamental frequency. Harmonicsofthe 10 to 750

POWER

LEVEL

control to zero dBm.

may not change at all.

MHz

band and observe harmonics and spurious signals.

MHz

band should be

-40

dBm.

MHz

band should be

>30

in

dB

between this

dB below the

>25

f. Adjust 8620A

question as a harmonic and measure the difference in dB between this signal level and the level

fundamental frequency. Harmonics

Hannonicsofthe

4-14. RESIDUAL AM

SPECIFICA

AM noise in a 100 kHz bandwidth at maximum power is

DESCRIPTION:

The carrier signal from the 86220A is amplitude modulated with a square wave from the 8620A.This modulated
signal is used to establish reference on the Model 3400ARMS Voltmeterthat
The 9 dB reduction occurs because of the voltmeter response to a square wave and the square-law response
crystal detector. The modulation is then removed and the magnitude of the Residual
with respect to the established reference.

nON:

CW

control through the 10 to 1300

of

750to1300

MHz

band

TEST

MHz

band and observe harmonic signals. Identify signal in

the10to 750 MHz band should be

shouldbe>40

dB below the fundamental.

>50

dB

below carrier.

is

9dB below the actual carrier signal.

>35

dB below the fundamental.

AM

component is measured

of

of

the

the

4-16

Model

86220A

4-14. RESIDUAL

AM

TEST (Cont'd)

SWEEP

OSCILLATOR

~

..

" :

00

Performance Tests

PERFORMANCE TESTS

RMS

RF

PLUG·IN

!.

:"

00

--

"

o

RF

OUTPUT

10

dB

ATTENUATOR

CRYSTAL

DETECTOR

'------,....,.-----cr::J---'

VOLTMETER

,~

••

o

INPUT

2FOOTBNC

CABLE

Figure

4-12.Residual

EQUIPMENT:

Sweep Oscillator HP
RF

Plug-in _

RMS

Voltmeter

10

dB

Attenuator

Crystal

Detector

BNC Cable Assembly (2-feet) HP

PROCEDURE:

a. Connect equipment as shown in Figure 4-12.

Set

b.

controlsasfollows:

86220A

POWER

LEVEL

8620A

BAND
CW pointer 650 MHz

1

kHz

SQ

WV/OFF

(rear panel) I
RF BLANKING/OFF (rear panel) RF BLANKING
DISPLA

Y BLANKING/OFF (rear panel) OFF

AM

Test Setup

HP

,

HP

8491 A, Option 010

,

HP

HP

+

10to1300 MHz

kHz

8620A

86220A

3400A

423A

ll086A

10

dBm

SQ

WV

c. Set 8620A LINE switch to ON; press

CW

pushbutton.

4-17

Performance

Tests

Model

86220A

4~14.

PERFORMANCE

RESIDUAL AM TEST (Cont'd)

TESTS

d. Set the RMS voltmeter to a range that gives an on-scale indication. Note the meter indication.

e. Set the

8620A

rear-panel I kHz SQ

WV/OFF

switch to OFF.

Change

RMS voltmeter range switch to obtain
an on-scale indication. The difference between this indication and the one noted in step c should
minimum

of

41 dB.

NOTE

A 41-dB decrease
reduction

in

the RMS voltmeter response to a square wave and the

in

the RMS voltmeter indication correspondstoa 50 dB

signal level. A correction factor of 9 dB

is

added because of

square~law

re-

sponse of the crystal detector.

4-15. EXTERNAL

FM

MODULATION TEST

SPECIFICATION:

be

a

Frequency Response:
Maximum

Deviation: ±15MHz

DC

to 500

kHz

DESCRIPTION:

The

oscillatoris modulated with a signal

source

through the input range to

slope detected on a low-pass filter and the detected signal

RMS

VOLTMETER

.-

••

INPUT

UOOT

GABLE

•

8NG

CRYSTAL

OETECTOR

FREQUENCY

LOW

PASS

FILTER

COUNTER

TEST

OSCILLATOR

(.\.~.

o

~

• • 0

500

kHz. The resulting

is

read on an RMS voltmeter.

SWEEP

OSCILLATOR

OUTPUT

,

OUTPUT

PLUG·IN

AF

RF

FM

INPUT

OC

POWER

SUPPLY

r~

l'

0 0 0

FM

deviation is

0 0

OUTPUT

"""~v"+--

....

4-18

Figure 4-13. External

FM

Modulation Test Setup

Model

86220A

PERFORMANCE TESTS

Performance

Tests

4-15. EXTERNAL

EQUIPMENT:

Sweep
RF

Plug-in

Te~t

Oscillator
Frequency
DC

Power
RMS
Low-Pass Filter

Crystal Detector

BNC

Cable

Power

PROCEDURE:

a.

Connect

b.

Set controls as follows:

equipment

86220A

POWER

8620A

BAND
CW

pointer

1

kHz

RF

BLANKING/OFF

DISPLAY
LINE

FM

MODULATION TEST (Cont'd)

Oscillator

Counter
Supply HP

Voltmeter

Assembly (2-feet)

Splitter

as shown in Figure 4-13. Press

LEVEL

SQ

WV/OFF

BLANKING/OFF

.....

'" +

(rear panel) OFF

(rear panel)

(rear

panel)

CW

pushbutton.

HP

8620A

HP

86220A

HP

651B

HP

5340A

72lA

HP

3400A

HP

360A

HP

423A

HP

l1086A

HP

11667A

10

dBITI

10 to 1300 MHz

700 MHz

RF

BLANKING

OFF

ON

c. Adjust test oscillator to10Hz,

the

RMS

voltmeter connected at crystal detector output. Check that the

adjusting the frequency back and forth through maximum indication.

d. Disconnect test oscillator from

referred to as the" center frequency" for the remainderofthe test.
with

positive

e. Increase

frequency".
obtain
obtain the

f. Disconnect

oscillator to
indication

Set

g.

value equivalent to
MHz

±

test

modulation is obtained.

leadtocenter

DC

power

Note

15

MHz

RMS

DC

10Hz.

on

RMS

oscillatorto500

supply output until the frequency counter indicates

DC

power

FM

modulation deviation.) Multiply the DC voltage set at the DC power supply by

modulation value corresponding to modulationof15

power

supply from 86220AFMconnector and
Adjust
Voltmeter at

±

15

at 0.1 Volt RMS. Adjust 8620A

86220A

conductor

supply output. (This value is equivalent to the peak modulation required to

output

outputofcrystal detector. (This value represents ±15MHz

kHz

and

MHz

modulation as noted in step f.Ifthis valueofRMS voltage is obtained, ± 15

FM

input.

The

frequency indicated on the frequency counter will

and

negative leadtoground.

for the RMS value equivalent to 15

increase

test

oscillator

CW

Connect

connect

output

frequency for maximum indication

centerofthe rangeisobtained by

DC

power supply to the

15

MHz

above the

MHz.

test oscillatorto

MHz

modulation found in step e. Note

until

the

RMS

FM

input. Adjust test

voltmeter

FM

"center

0.707

modulation.)

indicates

on

be

input

to

a

4-19

Perfonnance

Tests

PERFORMANCE TESTS

Model

86220A

4-16.

SPECIFICA

AM

MODULATION TEST

nON:

INTERNAL

I kHz

EXTERNAL

AM:

squarewave

AM:
Sensitivity: a
Frequency response: DC to

Modulation: >

DESCRIPTION:

Attenuation
below maximum

is

checked by applying

power

observing the display.

OC

POWER

SUPPL

Y

OSCILLOSCOPE

-lOY

50%

output).

IREAR

-IOVOLT

OUTPUT

ON/OFF

ratio:

input reduces the

10kHz

AM

-10Ydc

ON/OFF

SWEEP

OSCILLATOfl

"XT

AM

PANELI

>35

dB below maximum power output(+10 dBm).

RF

output signal

and observing the corresponding decrease in

>35

dB below maximum

RF

power

power

output.

out (35 dB

ratio is checked by applying the internal 1 kHz squarewave and

flf

PL

UG·IN

SPECTRUM

ANALYZER

RF

INPUT

EQUIPMENT:

4-20

VERT

INPUT

Sweep
RF
Spectrum

Oscillator

Plug-in

Analyzer
Oscilloscope
DC

Power

Supply
Crystal Detector
20 dB Attenuator

CRYSTAL

DETECTOR

Figure 4-14.

AM

Modulation Test

'"

Setup

HP

HP

HP

HP 8620A

HP

86220A

8555A/8552B/141T

180C/1801A/l820C

HP

721A

HP

423A

849lA,

Option 020

Model

4-16.

PROCEDURE:

86220A

AM

PERFORMANCE TESTS

MODULATION TEST (Cont'd)

Performance

Tests

a. Connect spectrum analyzer and 20

b.

Set

controls as follows:

86220A

c.

d.

POWER

8620A

BAND

CW

START
STOP
MARKER

1 kHz
RF
DISPLA

LINE ON

Press the

Set

CW

spectrum analyzer controlsasfollows:

8555A

Frequency

BANDWIDTH... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SCAN
INPUT
TUNING
Signal Identifier OFF

LEVEL

pointer

pointer

pointer 1300

SQ

WV

IOFF (rear panel)

BLANKINGIOFF

Y

BLANKINGIOFF

pushbutton.

BAND

WIDTH

ATTENUATION

STABILIZER

(rear panel)

dB

attenuator to 86220A as shown in Figure 4-14.

+IOdBm

10to1300

650

10

RF

BLANKING

(rear panel) OFF

0.01 to 2.05 GHz
10kHz

20 MHz/division

10

MHz
MHz
MHz
MHz

OFF
OFF

dB

OFF

8552B

SCAN
LOG
LOG/LINEAR

VIDEO

SCAN

External

e. Note the signal levelofthe fundamental frequency displayed on the spectrum analyzer. This is the reference

f. Verify

g. Disconnect external power supply from 8620A

AM

Sensitivity Check

level for the test.

DC

for

-lO.OVdc

the reference.

TIME

REF

LEVEL

FILTER

MODE

power

supply connected to 8620A rear-panel

output. The poweroutputasobservedonspectrumanalyzershould decrease by

EXT

EXT

AM

AM input. Adjust the external power supply

connector.

5 ms/division

0 dBm

LOG

OFF

INT

>35dBbelow

4-21

Performance Tests

Model

86220A

4-16.

On/Off

AM

MODULATION TEST (Cont'd)

Ratio

PERFORMANCE

TESTS

h. Connect the oscilloscope and crystal detector to the 86220A

1. Set controls

as

follows:

86220A

POWER

LEVEL

8620A

TRIGGER
MODE

TIME-SECONDS 1 - .01
TIME Vernier Full Clockwise

J. Observe

signal. (This shows

1 kHz SQ

RF

BLANKING/OFF (rear panel) RF BLANKING

DISPLA

the

WV/OFF

Y

BLANKING/OFF

(rear panel) I kHz SQ

oscilloscope trace.

that

the

square-wave

(rear panel)

The

blanking line should be

ON/OFF

ratio

and

as

showninFigure 4- 14.

coincident
the

blanking

with

ON/OFF

the

+

10

"OFF"

dBm

INT

AUTO

WV

OFF

ratio

portionofthe
are the same.)

k. Disconnect crystal detector and oscilloscope from 86220A and connect 20 dB attenuator and spectrum

analyzer. Set 8620A rear-panel RF

1.

Note reference levelofsignal on spectrum analyzer. Set RF BLANKING/OFF switchtoRF BLANKING.
Power level difference should be

m. Adjust 8620A

START

pointer through the frequency band and note minimum and maximum power points.

BLANKING/OFF

>35

dB

(ON/OFF ratio).

switchtoOFF. Set 8620A

TRIGGERtoEXT.

Check ON/OFF ratio at these points by setting the 8620A RF BLANKING/OFF switch between RF
BLANKING and OFF positions. All frequency points across the band should have an ON/OFF ratio of

>35

dB.

4-22

Model

86220A

Performance Tests

Hewlett-Packard Model 86220A

RF Plug-in

Serial No.

FREQUENCY

4·7.

d.

e.

CW

10

50

100
300
500
800

1000

1300

START Pointer

RANGE

painter setting

20
20
100
100
200
200

400 600

400
800 200
800
1300
1300

Table 4-4. Performance Test

AND

ACCU

RACY

TEST

STOP

Pointer
1300
1300
1000
1000

800
800

600

200
20
20

MANUAL

ccw

CW

cw

CCW

CCW
CW

CW
CCW
CCW

CW
CW

CCW

Record(jof2)

Test Perfonned by:

Date:

Lower

Limit

o

MHz

40

MHz
MHz

90

MHz

290

MHz

490

790

MHz

990

MHz

1290

MHz

5

MHz

1285

MHz

985

MHz

85

MHz

185

MHz

785

MHz

585

MHz

385

MHz

785

MHz

185

MHz

5

MHz

1285

MHz

Measured

Value

Upper

Limit

20

MHz

60

MHz

110

MHz

310

MHz
510MHz
810

MHz

1010

MHz

1310

MHz

35

MHz
1315MHz
1015

MHz

115

Mllz

215

MHz

815

MHz
615MIlz
415

MHz
815

MHz
215

MHz
35

MHz

1315MHz

4-B.

FREQUENCY

d.
e.

f.

RESIDUAL

4-9.

1.

4-10.

POWER

c.
d.
h.
i.

J.

4·11.

POWER

d.

4-12.

EQUIVALENT

g.

STABILITY

Line Voltage change at 103
Line Voltage change at 127

10dBPower Level Change

FMIN10

Peak-to-peak Residual

LEVEL

Power LEVEL zero
POWER LEVEL +10dBm mark
Leveling variation,10to 1300
Leveling variation, 750to1300
(sweep time
Power change with
inACpower

LEVEL

POWER LEVEL at OFF

AND

>'1

CONTROL

SOURCE

SWR

TEST

kHz

BANDWIDTH

FM

VARIATION

dBm

mark

seconds)

10%

change

TEST

SWR

TEST

Vac
Vac

TEST

MHz

MHz

TEST

-I
+9

dBm

dBm

kHz

±20

kHz

±20
±20 kHz

10

kHz

+1

dBm

+11

dBm

IdBpop

dB

0.4

±O.I

dB

-40

dBm

1.3: 1

poP

Pop

4-23

Performance

Tests

Model

86220A

4-13.

SPURIOUS

d.

f.

4-14.

RESIDUALAMTEST

d.

4-15.

EXTERNALFMMODULATION

c.

4-16.

AM

MODULATION

f.

m.

SIGNALS

Harmonics down from fundamental

at

+J 0 dBm:

10

to 750

MHz

750 to 1300

Levelofnon

Harmonics down from fundamen

at

zero dBm:

10

to 750

MHz

750 to 1300

Below

maximum rated power

Modulation frequencyof500 kHz

Attenuation with
ON/OFF ratio

TEST

MHz

harmonics

MHz

TEST

-10

Table 4-4. Performance Test

tal

TEST

Vdc input

Record(2of

lower limit

25

dB

30

dB

35

dB

40

dB

50

dB

±15

MHz

35

dB

35

dB

2)

Measu

- .

red

Val

ue

Upper

-40

limit

dBm

4-24

Model

86220A

Adjustments

SECTION V

ADJUSTMENTS

5-1. INTRODUCTION

5-2. This section provides adjustment procedures
for the Model 86220A. Adjustments should be per­formed whenever the Model 86220A RF Plug-in per-

formance is out of tolerance. Allow 30 minutes war-

mup time before performing the adjustments. Ad-

justment and test point locations are shown in Figure

5-1. Table

5-1

lists allofthe adj ustments and their

functions.

5-3. EQUIPMENT REQUIRED

5-4. A list

Plug-in,

given below and also in Table

of

equipment required to adjust the RF

with

recommended HP Model Numbers,

1-4.

Sweep Oscillator HP 8620A

...

Oscilloscope

HP 180C/1801A/1820C
Digital Voltmeter HP 3460B
Frequency Counter HP 5340A
Power Meter HP 432A

5-1. Adjustment Controls

Table

Thermistor Mount HP 8478B
Power Splitter HP 11667A

Spectrum Analyzer HP 8555A/

8552B/141T

20

dB

Attenuator 8491A,

Option 020

Type

N

to

SMA Adapter .

HP 1250-1404

5~5.

5-6. The adjustments should

RELATED ADJUSTMENTS

be

performed in
order listed. However, if only one parameter is
slightly out of tolerance, a single adjustment may be

is

made.

5-7. ADJUSTMENT LOCATIONS

5-8. The location of the adjustments
are shown in Figure 5-1. Location

of

adjustments, test

points, and major assemblies are shown in Figures 8-9

and 8-10.

in

the 86220A

the

Control

Ref.

Desig.

No

Reference A4 Cavity Oscillator

designator

A1R21

A1RI2

AIRI

AIRI3

AIR43

AIR4S

Freq. Tuning for
FREQ

ADJLO
FREQ

ADJHI
MAX Adjusts

LEVEL

MIN Adjusts

LEVEL
BLANK

AD]

CAVITY
BIAS

Name

Function

Slug-tunes cavity oscillator frequency

4.2

GHz.

Adjusts YIG oscillatorASfrequency
calibration at low

Adjusts YIG oscillatorASfrequency
calibration at high

power

endofPOWER LEVEL control.

power

end

of

POWER LEVEL control.

Adjusts for good frequency response

1

kHz

modulationatzero

level.
No

adjustmentofthis
Controlispresettocenter-rangeatthe
factory.

endofband.

endofband.

calibration at

calibrationatzero dBm

+10

dBm

dBm

power

controlisrequired.

to

5-1

Adjustments

MAX

LEVELMINLEVE

Model

TOP

VIEW

L

CAVITY

86220A

BIAS

A2J2!W2P2

BOTTOM

W2

VIEW

M

CAVITY

FREQUENCY

OSCILLATOR

ADJ

o

•

MJ1IW2Pl

5-2

Figure 5-1.

Adjustment

and Test Point Locations

Model

86220A

ADJUSTMENTS

5·9. A4 CAVITY OSCILLATOR FREQUENCY ADJUSTMENT

DESCRIPTION:

of

The output frequency

A4 Cavity Oscillatorismonitored with a frequency counter and adjusted if necessary.

Adjustments

EQUIPMENT:

PROCEDURE:

SWEEP

OSCILLATOR

l·~·

00

c:::;J

c=;IOo

RF

PLUG·IN

-'

0 0

SERVICE

CABLE

RF

A4Jl

TYPE

N/SMA

AOAPTER

FREQUENCY

10

dB

ATTE'NUATOR

COUNTER

INPUT

Figure 5-2. A4 Cavity Oscillator Frequency Adjustment Test Setup

Sweep Oscillator HP 8620A
RF Plug-in HP 86220A
Frequency Counter HP 5340A
RF Service Cable HP 8120-1578
Type N to SMA Adapter HP 1250-1404

10dBAttenuator

HP

8491A, Option 010

a.

Connect equipmentasshown in Figure 5-2asfollows: Disconnect cable W2 from connector
cavity oscillator. Connect frequency counterto

A4Jl

through a10dB

attenuator, a Type-N to SMA adapter,

and an RF service cable.

b.

Press 8620A CWpushbutton. Adjust A4 frequency adjustment slug (located near A41l) with 5/64-inch Allen

4.2

GHz

±5

wrench for a

c. Reconnect

W2PltoA4Jl.

MHz counter indication.

A411

on A4

5-3

Adjustments

ADJUSTMENTS

5·10. YIG OSCILLATOR HIGH AND LOW FREQUENCY LIMITS ADJUSTMENT

DESCRIPTION:

The

high and low frequency endsofthe band are adjusted for correct calibration.

Model

86220A

OSCILLATOR

EQUIPMENT:

Sweep Oscillator
RF Plug-in
Frequency Counter
DC Digital Voltmeter

PROCEDURE:

SWEEP

RF

PLUG·IN

•

Figure 5-3. YIG Oscillator High

10

dB

Attenuator

OC

and

DIGITAL

••

Low

VOLTMETER

•

•••

Frequency

FREOUENCY

10

dB

ATTENUATOR

Limit

Adjustment Test Setup

HP

8491A, Option 010

HP

HP

HP
HP

COUNTER

8620A

86220A

5340A

3460B

a. Connect equipmentasshown in Figure 5-3.

b. Set controls as follows:

86220A

POWER

LEVEL

8620A

...

BAND

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

5-4

IOta

+

10

dBm

1300 MHz

Mode186220A

ADJUSTMENTS

5-10. YIG OSCILLATOR HIGH AND LOW FREQUENCY LIMITS ADJUSTMENTS (Cont'd)

c.

Press

Digital

8620A

Voltmeter

CW

Pushbutton.

(DVM).

A1

R21

can be misadjusted so that zero-beat comes

rather than at low-frequency end.

Adjust

CW

pointer

NOTE

for a +0.100 Vdc ±0.005 Vdc indication on

in

center of band

Adjustments

DC

d. Adjust resistor A1R21 FREQ ADJ LO for 13.0 MHz

e.

Adjust

f.

Adjust resistorAlR12

g. Adjust

ponding
and

CW

pointer

8620A

frequency

AIR12to

SetCWfor

Indication

0.100 ±0.005 Vde

0.500

1.000 ±0.005 Vde

2.000 ±0.005 Vde

4.000 ±0.005 Vde

6.000

8.000 ±0.005 Vde 1030

10000

DVM

(+Vdc)

±0005

±0.005 Vde 770

±0.005 Vde 1290

for a +10.00 Vdc ±0.005 Vdc indicationonDVM.

FREQ

CW

pointertoobtain

counter

achieve limits across full band.

Table 5-2. YIG Oscilator High

Vde

ADJHIfor 1300

indications agains limits given.Ifnecessary, compromise adjust

Minimum

3MHz
55

120
250
510

eachofthe

Frequency

MHz

MHz
MHz
MHz
MHz

MHz
MHz

MHz

and

Counter

DVM

Low

Indication

±2

MHz indication on frequency counter.

±2 MHz indication on frequency counter.

indications listed in Table 5-2 and check corres-

Frequency Limits Adjustments

Maximum

23

MHz

75

MHz

140 MHz

270

MHz
530MHz
790

MHz

1050 MHz
1310 MHz

Compromise

}

}

Al

R21 (FREQ ADJ LO)

Al

R12 (FREQ ADJ HI)

Adjustment

AIR21

5-11. MINIMUM AND MAXIMUM POWER ADJUSTMENT

DESCRIPTION:

The power leveliscalibrated through the range

of

zero dBm to +

10

dBm.

5-5

Adjustmen

ts

Model

86220A

ADJUSTMENTS

5~11.

MINIMUM AND MAXIMUM POWER ADJUSTMENT (Cont'd)

EQUIPMENT:

POWER

METER

• •

.-

o •

Test Setup

INPUT

OSCILLATOR

I~

I"

••

--

00

SWEEP

,.

RF

PLUG·IN

...

00

RF

OUTPUT

Figure 5-4. Minimum

-

o

and

10

dB

ATTENUATOR

Maximum

Power

THERMISTOR

MOUNT

Adjustment

Sweep Oscillator HP 8620A

HP

RF Plug-in
Power

Meter

86220A

HP

432A

Thermistor Mount HP 8478B

10

dB

Attenuator HP 8491A,Option

10

PROCEDURE:

as

a. Connect equipment

shown in Figure 5-4.

b. Set controls as follows:

86220A

POWER

LEVEL

8620A

BAND 10 to 1300

CW Pointer 1000 MHz

c.

Press

8620A

on

power

d.

Set

POWER LEVEL

indicationonpower

e. Check

f. Adjust

POWER

POWER

CW

meter.

pushbutton.

(Zero

dBm

controltozero

meter.

LEVEL

LEVEL

Adjust

resistor

indicationonmeter

dBm.

Adjust

(-10

dBm

indicationonmeter

setting

of

+10

dBm

control through the range

major power division. Indication should be - 10 dB below

outoftolerance, readjust

AIRI

MAX

LEVELorAIRl3

seting within tolerance through the entire range.

AIRI

corresponds

and zero

of

+10 dBm

MHz

MAX LEVEL for zero dBm ±O.l dB

to

resistor

dBm

+10 dBm

AIRl3

corresponds

again andifnecessary repeat steps c and d.

MIN

out.)

LEVEL

to

0 dBm

for

out.)

-10

0 to +10 dBm. Check power meter indication at each

POWER

MIN

LEVEL

LEVEL control dial setting ± 1 dB.

to bring

POWER

LEVEL

indication

dBm ±O.l dB

If

controldial

5-6

Model

86220A

ADJUSTMENTS

5-12. BLANKING LEVEL ADJUSTMENT

DESCRIPTION:

The

positive clamping level for the main ALC amplifier is adjusted for

of

the

1 kHz square-wave

modulation

signal.

minimum

Adjustments

overshoot and rounding

EQUIPMENT:

Sweep

RF
Oscilloscope HP
Crystal Detector HP 423A

10

PROCEDURE:

SWEEP

OSCILLATOR

~

. . . .

- -

---------

00

c::::::ll

c::::::)

=0

SWEEP

OUT

Oscillator.

Plug-in. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

RF

PLUG·IN

OSCILLOSCOPE

0°

VERT

INPUT

.-

Test Setup

•

U

Do@oO

@'@

0

RF
OUTPUT

10

dB

ATTENUATOR

~

Figure 5-5. Blanking Level

CRYSTAL

DETECTOR

~

Adjustment

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

QO

0 0

I,:

~@o

0111.

rUllII';

..

",

HORIZ
EXT

INPUT

.

..

HP

HP

l80C/180lA/1820C

dB

Attenuator HP 8491A, Option 010

8620A

86220A

a.

Connect equipment as shown in Figure 5-5. Press 8620A CW pushbutton.

Set

b.

controls as follows:

86220A

POWER

LEVEL

8620A

BAND
CW

Pointer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...1000 MHz

TIME-SECONDS 1 - .01
TIME-SECONDS

WV

1 kHz SQ

RF

BLANKING/OFF

DISPLAY

/OFF

BLANKING/OFF

Vernier.

(rear panel) . . . . . . . . . . . . . . . . . . . . . . . . .

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

(rear panel). . . . . . . . . . . . . . . . . . . . . .

(rear panel) . . . . . . . . . . . . . . . . . . . . . . . . ...OFF

10

to 1300 MHz

..

Full Clockwise

..

1 kHz

..

RF

BLANKING

0dBm

SQ

WV

5-7

Adjustments

ADJUSTMENTS

5-12. BLANKING LEVEL ADJUSTMENT (Cont'd)

c.

Set

oscilloscope

SECONDS

for

internal

Verniertomake

sweep. Observe squarewave signal

waveform stationary.

on

oscilloscope. Adjust

Model

8620A

86220A

TIME-

d. Adjust resistor

rounding on the corners.

e. There is interaction between the blanking adjustment and the

Section
counterclockwise. Then adjust clockwise

ON/OFF

IV

AIR43

to be sure

ratio within specifications.

BLANK

ON/OFF

ADJ for the best compromise between minimum overshoot and minimum

ratio is still within specification.Ifnot, set

as

faraspossible for best squarewave, while still maintaining

ON/OFF

ratio. Perform AM Modulation test in

AlR43

BLANKING ADJ full

5-8

Madej

86

nOA

Replaceable Parts

6-1. INTRODUCTION

6-2.

This

section

ing

parts.
parts
lists all
order.
numbers

6-3. Abbreviations

6-4. Table

in

the

Table

list

and

replaceable

Table

that

parts
manual.Insome
tion

are

given,

tial

or

no

capitals.

breviations

since
case

letters.

parts

used

with

the

of

the

in the

computer

However,inthe

both

contains

6-1

lists

throughout

partsinreference

6-3 givesaUthe

are

usedinthe

6-1

gives a listofabbreviations used

list,

schematics,

cases,

oneaUcapital

This

parts

readout

manual,

lower

other

case

REPLACEABLE PARTS

information for

abbreviations

the manual.

manufacturer's

parts

and

two

formsofthe

letters,

occurs

list

are

always
does
schematics

abbreviation forms are

and

upper

used in the

designator

list.

throughout

and

because

all capitals,

not print

case

SECTION

order-

Table

abbrevia-

and

code

one

par-

the

lower

other

letters.

6-2

the

ab-

VI

d.

Illustrated

The

information given for

following:

The

a.

b.
c.

d.

Hewlett-Packard

The

total

The

descriptionofthe

The

five-digit code.

e.

Manufacturer

The total quantity for each part
given only

ance of the part number

quantity

typical

parts

breakdown,ifappropriate.

each

part number.

(Qty)inthe instrument.

part.

manufacturer

code

number

NOTE

once-at

the first appear·

paI1

consistsofthe

of

the part

for the part.

in

the list.

is

In

a

6·5. Replaceable Parts List

6-6.

Table

i:;

organizedasfollows:

Electrical

a.

in

6-2 is

the

assemblies

alpha-numerical

listofreplaceable

and

orderbyreference

nation.
Chassis-mounted

b.

order

c.

Miscellaneous

by

reference

parts
designation.

parts.

parts

their

components

in

alpha-numeric

and

desig-

6-7. ORDERING INSTRUCTIONS

6-8.

To

order

table,

indicate

to the

6-9.

placeable
model
scription

of

quote

quantity

nearest

To0rderapart

parts

number,

and

parts

required.

the

functionofthe

Hewlett-Packard

a part listedinthe

Hewlett-Packard

required,

Hewlett-Packard

thatisnot

table,

include

instrument

Address
office.

and

serial

part, and

the

order

replaceable

address

office.

Iisted in

the

number,

part

number,

the

instrument

the

number

to the

nearest

parts

order

the

re-

the de-

6-1

Replaceable

Parts

Model

86220A

=

A

B

C

CR
DL
DS

E

assembly

=

motor

=

capacitor

=

diode

=

delay

= device signaling

=misc

A
ac*

ACCESS
ADJ
AFC

AGC

AL
ALC

AM
AMPL
ASSY
AUX

BAL
BCD
BD
BFa

BH
BPF
BRS
BWO

CAL
CCW
CER
CHAN
COAX
COEF
COM =
CaMP
CONN
CRT
CW

D-A
dB*
dBm*

dc*

Table 6-1.

Refereilce

Designators

RE

FERENCE

F =fuse P =
FL

J =

K =

line

electronic

=

amperes

=

alternating

=

accessory

=

adjustment

=

automatic
control

=

automatic
control

=

aluminum

=

automatic
control

=

amplitude

=

amplifier

(lamp)

part

current

frequency

gain

leveling

modulation

L =
M =
MP =

= assembly
=

auxiliary

=

balance

=

binary

coded

decimal

=

board

=

beat

frequency

oscillator

=

binder
bandpass

head

filter

=
= brass FM
=

backward

wave

oscillator

=

calibrate

=

counterclockwise

=

ceramic

=

channel

=

coaxial

=

coefficient
common

=

composition

=

connector

=

cathode-ray

= clockwise

tube

or

continuous

wave

=

digital-to-analog

= decibp.l
= decibels

to

=

direct

referenced

1 mW

current

and

Abbreuiations

DESIGNATORS

=

filter
jack
relay

inductor

meter

mechanical

ABBR

DET
deg*

EV

part

IA

TI

=

detector

=

degree

ONS

°c = degree Celsius

of
oK

oR

DEPC
DIA
DIY
DPDT

DR

DYM

ELECT=electrolytic
ENCAP = encapSUlated
EXT

F =
FET
FH
FIL

FP
FREQ=frequency
FXD

G
GE
GHz
GL
GRD

H

HET =

HEX
HD
HF

HI

HP
HPF
HY
Hz

= degree
= degree Kelvin

= degree

=

deposited

=

diameter

= division

=

double

throw

= drive

=

digital

=

external

farads

= field
=

flat

H =

Fillister

=

frequency

=

front

- fixed

= giga (10

=

germanium

= giga
= glass
=

ground(ed)

=

henry
heterodyne

=

hexagonal

=

head

= high

=

high

=

Hewlett-Packard

= high pass filter

..

high

~

Hertz

effect

head

panel

Hertz

frequency

voltage

Q =

R =

S =
T =
TP

=

U = in

Fahrenheit

Rankine

carbon

pole

double

voltmeter

transistor

head

modulation

9

)

Used in Manual(lof

plug
transistor
resistor
switch
transformer
test

point

tegrated

circuit

IC =

lD

IF

IMPG
INCD
INCL
INS
INT

kHz*
kD
kY*

LED

LF
LG
LH
LIM
LIN =
LK
La
LOG
LPF
LY = low voltage

mA*
MAX

Y =

W = cable

X =

Y =

WASH = lock

MSl

MET

FLM=metal

MET

OX
MFR
mH*
MHz
mY*
mW*

MIN
MOD
MaS

MTG
MTR

MY

2)

vacuum

neon

bulb

photocell,

socket
crystal

integrated

=

inner

=
=
=
= include(s)
=
=

= kilo
=

=
=

=
= long
=
= limit

=
=
=

=
=

=

=
=
= millihenry

= mega

= millivolt
=

=

=
=

=

=

diameter
intermediate
impregnated
incandescent

insulation(ed)
internal

Hertz
kilohm
kilovolt

light-emitting
diode
low

frequency

left

hand

linear

taper

washer
low
logarithmic
low

pass

milliampere
maximum
megohm

film
metallic
manufacturer

Hertz

milliwatt

microwave

minimum
modulator
metal-oxide
semiconductor
mounting

meter

=

mylar

tube,

etc.

circuit

freq.

taper

filter

oxide

or

6-2

Model

86220A

Replaceable Parts

Table 6-1.

Reference

Designators

and

Abbreuiations

ABBREVIATIONS

=

N
NC
N/C

NE

N/O

NOM

NORM
NPN

northornano

= no

connection

=

normally

=

neon

=

normally

=

nominal

=

normal

= negative-positive

negative

aD

OH
OPAMP
OPT
OSC
OX
PorPk
PC
pF*

=

outer

= oval

head

=

operational

=

option

=

oscillator

=

oxide

=

peak

=

printed

=

picofarads

diameter

farads

PHL

= Phillips

PIN = positive-intrinsic-

negative

=

peak

PlY

inverse

voltage
PL = phase lock SQ = square
PNP

= positive-negative-

positive

=

part

P/O
PORC

pas

POT
PP
PREAMP
PT

RECT
REF
REPL
RF

of

=

porcelain

=

position(s)

=

potentiometer

=

peak-to-peak

=

preamplifier

=

point

=

rectifier

=

reference

=

replaceable

=

radio

frequency

closed

open

amplifier

circuit

= 10

(10-9)

12

RH

RMS
RND
R&P

S·B
SCR

SEC =
SECT
SEMICON =
Sl
SIL
SMA

SMC

S-para­meter
SPDT
SPG
SPST
SST
STL

SYNC
TA =

TD
TERM
TGL
THD
THRU
TI
TO
TRIM
TSTR
TWT

=

round
right

=

root-mean

=

round

=

rack

= slow-blow
= silicone

rectifier,orscrew

second

=

section(s)
semiconductor

= silicon
= silver
=

sub-miniature
connector

=

micro-miniature
connector

=

scattering

= single pole

= spring

= single pole single

= stainless steel

=

steel

=

synchronize

tantalum

=

time

=

terminal

= toggle

=

thread

=

through

=

titanium

=

tolerance

=

trimmer

=

transistor

= traveling wave

tube

head

hand

and

panel

controlled

delay

or

square

parameter

double

throw

Used in Manual (2of2)

= micro =

unregulated

= volt

= voltampere
= variable

= volts direct
= dc

working

= filtered voltage

= voltage-tuned

oscillator

= vacuum-tube

voltmeter

= switched voltage

= with

=

watt

=

wirewound

=

without

Yittrium-Iron-Garnett

throw

IJ.*

UNREG =

V
VA
VAR
Vdc*
VDCW
VF
VTO

VTVM

VX

W/
W
WW

W/O

YIG =

10.

6

CUlTent
volts

*Upper-case letters are always usedinthe parts list.

6-3

Replaceable

Parts

Table

6-2.

Replaceable Parts

Model

86220A

Reference
Designation

Al

Aiel
AIC2
AIC3
ALC4

AlC5
plC6
A1C7
AlC8

~LC9

PIC

10

PlCii

~leRI

~ICR2

AlCR3
HCR4

ALCR 5
AICR6
AICR7
AICR8

HCR9
AlKI
ALOI
4102
Al03

PI04
A105
H06
PI07
plR

L

HR2
HR3
AlR4
AIR5
A1R6

AIR7
AIR8
AIR9
AlRLO
HRll

AIRI2
AlRI3
A1RI4
AIR

15

A1R16

HRI7
AIRI8

~IRI9

~IR20

AIR2

L

A1R22
pIR23
HR24
AIR25
AIR26

HR27
AlR28
AIR29

AIR31
AIR32

ALR33

AIR34

~lR36

AIR37

~IR38

pLR39

~IR40

AIR4l
AIR42

AlR43
AIR44

pl~45

AIR46

AIR47

HP Part

86220-60DOI

0180-0116
0180-0374
OL60-0
0180-0291

0180-246b

0160-3533
0180-0373
0160-2264
0160-0298

0180-0197
0180-0376
1901-0025
1901-0025
1901-0025

1901-0159
1901-0025

1901-0159
1"01-0025
1902-0041

1902-3002
0490-0884
1853-0050
1853-0050
1854-0404

1854-0039
1853-0050
1854-0404
1854-0404
2100-1760

0757-0465

0698-3157

0757-0984
0698-3615
0757-0442

0757-027B

0811-IL98
0698-3157

0698-3260

0757-0288

2LOO-2852
2100-1760
0757-0442
0757-0442
0698-3160

0757-0~80

0757-0458

0698-0082

0751-0279
2100-

0699-000
0698-5552
0698-3454
0698-3454

0757-0401
0757-0458

0698-3153
0698-3L55

0698-7256
0698-3441

0698-0083
0757-0280

0757-0290
0757-0438

0757-0289

0757-0278

0698-3156

0757-0438

0757-0440
2100-1758
0698-0082
2100-1755
0757-0442
0757-0411

Number

L64

1139

I

Qty

1

BOARD

C:FXD

I

C:FXD

I

C:

1
2

I

I
1
1

1
1

I
5

2

I
1

I

3
3

I

2

I
2
1
I
6

2

I

1

I

I

I

2
2
2

2

I
I

I

2

L

1
I

1
I

L

I

2

l

l

1

I

I

FXOMY0.039

C:FXO

:FXO

C
e:FXD
C:FXO
e:FXC
C:FXOMY0.C015UF10%

e:HO
C:FXO

O!ODE:SILICON

OIOOE:S1L1CON

OIODE:SILICON

lODE:S

o
OIOOE:
OIOOE:SILlCON
OIOOE:sILICON
OIODE:BREAKDOWN

OIOOE

RELAY:REED

TSTR:SI
T5TR:

51

T5TR:51
TSTR:SI

TSTR:SI
TSTR:Sl
TSTR:SI
R:VARWW5K

R:FXO
R:FXD
R:FXO

R:FXO

R:FXO
R:FXO

R:FXO
R:FXO
R:FXD
R:

FXO

R:VAR
R:VAR
R:FXO
R:FXO
R:FXO

R:FXO
R:FXO
R:FXD
R:FXD
R:VAR

R:FXO
R:FXD
R:FXO
R:FXO
R:

FXO

R:FXO
R:FXo
R:FXD

R:FXO
R:FXO

R:FXO
R:FXD

R:FXD
R:FXO

R:FXD
R:FXO
R:FXD
R:FXD

R:FXO
R:VAR
R:FXO
R:VAR
R:FXO
R:FXD

Description

A5SY:ALC/YIG

ELECT

TANT.
ELEC7
TANT

47D

MICA

470UF5%

ELECT

CER20PF5%500VDCW

ELECT

ELECT

ILICON

SILICON

8REAKOOWN:2.37V

PNP
PNP

NPN

NPN
PNP
NPN

NPN

MET

FLM

MET

FLM
FLM

MET
METOX47
MET

FLM

MET

FLM

WW

3.0K

MET

FLM

MET

FlM

MET

FLM

WW

1000
WW5KOHM5%TYPE V
MET

FLM

MET

FlM

MET

FLM
FlM

MET

FlM

MET
MET

FlM
MET FLM
WW5KOHM

COMP

2.7

MET

FLMLKOHMI~1/8W
MET

FlM
MET

FLM

"I

ET

FLM
MET

FlM
MET FLM
MET

FLM
FLM

6810

FLM

MET
MET

FLH
IoIET

FLM

MET

FVI
MET

FLM
MET

FLM
MET

FLM
MET

FlM

FLM

MET
MET

FLM
WWIKOHM5%TYPE v
MET FLM
WW

100

MET

FlM
MET FLI1

DRIVER

6.8UF10% 35VDCW
10UF10%

1.0UFLO:

0.68

2.2UF10't

0.47UF10% 35VOCw
100MA/IV
100MA/IV

100MA/IV

0.75A
100MA/IV
O.75A
100MA/IV

OHM5%TYPE V IW

LOOK

L9.6K

10.0

10.OK

1.78K
OHM

L9.6K

464K

9.09K
OHM

10.0K

10.OK

31.6K
IK

5L.IK
464

3.L6K

215K
215K
100

51.1K

3.83K

4.64K

215

1.96K

IK

6.19K

5.1

13.3K

I.

L4.7K

5.

7.50K
464

OHM5%TYPE v

!D.OK
332

20VOCW

UF

10~

200VOCW

20%

30VOC\/

UF

100VDC'.'

UF

10% 35VOCW

200VOCW

400PI
400PIV

5.IIV

5~

5;

OHM1%118W

OHM

OHM

OHM5~2\/

OHM
OHML%1/8W

O.H

3/32\/

OHM1%1/8W

OHM

OHM

LO%

lW

OHM
OHM
OHM1%118W

OHM

1%

OHM

OHM

U 11811

OHM1%1/8\1

10%

lW

OHM

10't
OHM1~1/8W

OHM

OH~1

It

OHM
OHM
OHM

OHM2%118.

OHMU1I8W

OHM

OHM

a 118W

OHI1

OHM

LK

OHM
OHM

78K

OHMU11811

L1K

OHM
OHM

OHMU1/8W

OHMU1I8W

OHMI~1/8W

35VOCW

2uvoew

U

U

1/2W

1~

v

1%

I~

I~

1%
1%

L/8W
1%

1I8W

a
L%

U

1~

U

L~

Il
U

U

I~

1/8W

1/2\1

1/8W

1/8W

1/8W

lW

1/8\/

1/8W

1/8W

1/8W

IIBW

L/8W

1/8W

1/8\1

1I8W

II

1/8W

118\/

IIBU

1/8W

lW

IW

BW

Mfr
Code

28480

56289

5b2B9

56289
56289

28480
28480
56289
72982
56289

56289
56289
07263
07263
07263

047L3
07263
047L3
07263
04713

28480
28480
28480
28480
28480

80131
28480
28480
28480
28480

28480
28480
28480

2B480

28480
28480

28480

28480

2B480

28480
28480

28480

28480
28480

28480

28480
28480
28460
28480
28480

01121
28480

284BO

28480
28480

2B480

28480
28460

29480
28480

28480
28480

28480
28480

28480
28480
28480
28480

28480
28480
28480
28480
28480

28480

Mfr

Part Number

80220-50001

150ub85X903562-DYS
1500106X902062-DY5
192P39392-PTS

150DI05X9035A2-0YS

D180-248b
0160-

3533
150D684X903542-0YS
301-000-eOGO-200J
192P15292-PTS

1500225X9020A2-0YS
1500474X9035A2-DYS
FO

2387

FD

2387

FO

2387

SR1358-4
FO

2387
SR1358-4
FO

2387
Sll0939-98

1902-3002
0490-0884
1853-0050
1853-0050
1854-0404

2N3053
1853-0050
1854-0404
I

~54-0404

2100-1760
0757-0465

0698-3157
0757-0984
0698-3615
0757-0442

0757-0278
09L1-1198
069B-3157
0698-3260

0757-02A~

2100-2852
2100-1760
0757-0442
0757-0442
0698-3160

0757-0280
0757-0458
0698-0082
0757-0279
2100-1739

EB27G1
0698-

5552
0698-3454
0698-3454
0757-0401

0757-0458
0698-3153
0698-3155

0699"7256
0698-3441

0698-0083
0757-0280

0757-0290
0757-0439

0757-0289
0757-0218
0698-3156
0757-0438

0757-0440
2l00-1758
0698-0082
2100-1755
0757-0442
0757-0411

I

See

introductiontothis

section

for

ordering

information

Model

86220A

ReplaceableParts

Reference

Designation

AlUl,

U2
AIU3
AIU4
A2

A3
A4
AS

A6

(1

CZ

C3

CRI
JI
JZ
J3

PI

Cl

FcL

RZ

1'3

11

.1

.2

.3

~4

~5

.7

~ll

W

12

XAI

HP

Part

1826-0013
1820-0223
1826-0013

5086-7003

5086-7004
86220-60005
5086-7024

0950-'1284

0180-Z144

0180-2Z16

0180-0Z91

IQOI-0159

1250-0083

1251-(1483
1853-0052
0811-1179
0811-Z880
2lCO-3185

0960-0189

8120-1837

8120-1740

86220-60006

86220-60004
8622()-60007

8120-l742

B6220-20008
86220-

86220-20013

B6220-20015
86220-20018
1251-0233

Number

20005

Table 6-2. Replaceable Parts

Oty

Ic:Ll

NEAR
IC:OPERATIONAL AMPLIFIER
IC:LINeAR
FREQUENCY

AMP/OETECTOR
CAVITY OSCILLATOR A55Y
YIG

TUNED

INSTRUMENTS

ALSO

ORDER

COAXIAL

C:fXO
C:FXDALELeCT
C:FXD

DIODE:PO~ER

PIO

W8

PIDW4(5EEW4BELOW)

CONNECTOR;8NC

CONNECTOR;R&P
TSTR:SI

R:FXDWW200

R:FXOWW150

R:VAR CeRMeT
TRANSfQRMeR:50TO70
(OPTION

CABLE

l YIG-TRANSLATOR)

CABLE

(CAVITY-TR4NSLATOR)

CABLE
CABLE
CABLE
CABLe

(TRAN5LATOR-AMPLIfleR]

CA8LE:RF
CABLE:AMP-ATTENUATOR

IOPTION

CABU:RF

(OPTION
CA8LE ASSY:REAR

CA8Le

CONNECTOR:PC

Description

TRANSLATOR

OSCILLATOR

WITK

113SA

wI

ATTENUATOR,OTO70DB(OPT

ELECT

200Uf+75-l0%

ELECT

(SEEW8BELDW)

ASSYI3.950·
ASSYl4.3l2"

ASSY:OR4NGE.
ASSY:YELLOW,FMINPUT ([NCLUDES
ASSY'GReeN.
ASSYI4.411"

AS5Y:REAR

350UF+75-10%

1.0UflOt
RECT, 51

(FReQ

MALE36CONTACT

PNP

OKM1%12W
OHM

L.O%

lK

OKM

003

ONLY)

OUTPUT

(INCLUDES

002

ONLY}

OUT

002

ONLY)

OUT
OUT

eOGE

MISCELLANEOUS

ReF)

lOt

LG)
LG}

OET

TUNING

LG)

(OPTION
(OPTIONS

2 x22CONTACT5

rCont'd)

SERIAL

?REF[X

25VDCW

l6VOCW

35VOCW

400V

MAX

PLUG

l2W

LIN

2W

OKMIMATCHING}

OUTPUT

VOLTAGe

JI)

004

002&004)

002

ONLY;

ONLY)

J2)

Mfr
Code

28480
28480
28480
28480

28480
28480
28480

28480

'2

B4
56289
56Z89

02037

24931

71785
80131
26480
28480
28480
28480

94142
94142

28480

28480
28480
94142

284UO
28480

28480

28480

71785

80

Mfr

Part

Number

1826-0013
1820-0223
1826-0013
0960-2007

0960-2008
86220-60005
0960-2035

0950-1284

Ol80-2144
300357G016DH2-0SM
1500105X9035A2-0YS

SR1358-4

28JR-130-1

57-10360-375

2N3740
0811-Ll79
OBIl-2880
2l00-3l85
0960-0l89

813935
813934

86Z20-60006
86120-60004
86220-60007
813933

862Z~-20008

86220-20005
86220-20013

86220-20015
25l-22-30-2bl

0370-11U

7l~0-2

B21

00692-210
08731-210

6960-0016
86220-00007
86220-00008
86220-00012

KNOB:B4R

IOPTION

IDENTIFICATION PLATE

PIN:KeY

NUT:
PLUG:

SCALe:FOR
SCALE:FOR

8RACKET

See

intl'oductiontothis

LOCK

NYLON

002

ONLY)

0.125"DIA
862M
B6208

section

for

HOLE

ordering

information

28480

28480
28480

2 B480

284BO

28480
28480
28480

0370-UU

7120-28ZI
00692-210

08731-Z10

6960-0016
86220-00007

B6220-00008
86220-00012

Replaceable Parts Model 86220A

Reference
Designation

•

•

0
0
0
0

0

e

CD

G

HP

Part

Number

08621-20052

08621-20051

3050-0028 1 WASHER: LATCH HANDLE 28480

1460-1186 1

86220-00004 1 FRAME:

86220-00001

2360-0182

2360-0181

0590-0106

86220-20017

0590-0131

Qty

1

1

1

3

1

2

1

2

Description

SCREW: DRAWER LATCH

HANDLE:

WlREFORM: LATCH SPRING

DECK

SCREW:

SCREW:

NUT: LOCK

FRAME: DRAWER

SCREW:

DRAWER LATCH

LEFT

FLAT

HD POZIDRIVE

FLAT

HEAD

POZIDRIVE

REAR

CONNECTOR

28480

28480 08621·20051

28480

28480

28480

28480

28480 2360-0181

28480

28480

28480 0590-0131

Mfr

Code

Mfr

Part

08621-20052

3050-0028

1460-1186

86220-00004

86220-00001

2360-0182

0590-0106

86220-20017

Number

49

4D
4D

G)

e

G
G

0

fD

•

f)

fD

•

6)

2360-0115

2510-0065 1 SCREW:

2190-0017

86220-00011 1

6960-0046

2190-0016

2950-0006

86220-20016

86220-00005

2360-0127 2

2420-0003 1 NUT: HEX

2190-0008 1

0360-0009

0380-0010

10

1

SCREW: PAN HEAD

1

1

1

1

1

1

2

WASHER, LOCK

COVER:

BUTTON PLUG

WASHER: LOCK

NUT: HEX

YIG SUPPORT

FRAME:

SCREW: PAN HEAD PC

WASHER: LOCK

LUG:

TERMINAL

STAND

PAN HEAD

REAR

RIGHT

OFF:

PC

POZIDRIVE

BRD

SOLDER

BRD

28480 2360-0115

28480.

28480 2190-0017

28480 86220-00011

28480

28480

28480 2950-0006

28480 86220-20016

28480 86220-00005

28480

28480 2420-0003

28480

28480

28480

2510-0065

6960-0046

2190-0016

2360-0127

2190-0008

0360-0009

0380-0010

(

6-6

Figure 6-1. Cabinet Parts(jof

3)

Model

86220A

Reference
Designation

e

fD
fD
fD
fD

fl)

G

0

0

fD

HP

Part

Number

86210-20003 1 PANEL-SUB 28480

86220-00002

86220-00006

86220-00010

86220-00014

0590-0012 1 NUT:

08731-210 1 NUT: LOCK, KNURLED 28480 08731-210

0370-1103

3030-0007

2950-0043 1

Qty

1 PANEL:

1

1 PANEL: FRONT, LOWER

1

1 KNOB,

4

PANEL:

PANEL:

OBP

SCREW: LOCK, ALLEN 28480

NUT HEX

Description

FRONT UPPER 28480

FRONT, UPPER

FRONT, LOWER (OPT

004)

KNURLED 28480

lASE,

PTR,.5

DECAL

IN, OEP, 28480

(OPT 002) 28480

Mfr
Code

28480 86220-00010

28480

28480 2950-0043

Mfr

Part

86210-20003

86220-00002

86220-00006

86220-00014

0590-0012

0370-1103

3030-0007

Number

Figure

6-1.

Cabinet Parts(2of

3)

Replaceable Parts

Pl

~-.

o

o

J3

--.-

6-1

Figure . 6-7

Cabinet Parts(3of

3)

Replaceable Parts

Table

6-3.

Manufacturers

Code

List

Model

86220A

MFR

No.

0000
01121
02660

04009
04713
07263

24931
28480

56289
71785
72982
80131
94142

Manufacturer Name

U.S.A.

Common

Allen Bradley Co.
Amphenol
Arrow,
Motorola
Fairchild Camera &

Speciality
Hewlett-Packard

Corp. Broadview, Ill.

Hart

& Hegeman Elect. Co.

Semiconductor

Semiconductor

Connector

Prod. Inc. Phoenix, Ariz.

lnst.

Corp.

Division Mountain View. Calif.

Co., Inc. Indianapolis, Ind.

Company

Sprague Electric Co.
Cinch Mfg. Co. Div. TRW Inc.
Elie

Technological Prod. Inc.
Electronic Industries Association
Phelps Dodge

Habirshaw Cable

Cooper

Prod. Corp.

& Wire Div.

Address Code

Any SupplierofU.S.A
Milwaukee, Wise.

Hartford,

Conn.

Palo Alto, California
N. Adams, Mass.
Elk

Grove Village, Ill.
Erie, Pa.
Washington, D.C.

Yonkers, N.Y.

lip

53204
60153
06106

85008
94040

46227
94304
01247

60007
16512

20006

10022

.CABINET

PARTS

6-8

Model

86220A

Manual Changes

SECTION VII

MANUAL CHANGES

7-1. INTRODUCTION

7-2.

This

ing

this

tent

does

7-3.

refer

changes

section

manualtoinstruments

not

To

adapt

to

Table

listed

apply

this

7-1

opposite

contains

directly.

manual

and

make

information

for

to

your

all

your

instrument

for

which

instrument,

of

the

the

Table 7-1. Manual ChangesbySerial

Serial

Prefix

or

Number

1426A and 1319A
1230A

and

1223A A,B

Make

ManualChanges

A 1218A

7-5. MANUAL CHANGE INSTRUCTIONS

CHANGE

A

adapt-

con-

manual

serial

number.
listed.

7-4.

on

the

may
CHANGES
information

INSTRUMENTS
Section

Perform

If

your

title

pageofthis

be

documented

about

1.

instrument

supplement.

Number

Serial

Prefix

or

Number

1135A

these

changesinthe

serial

manual,orin

in

a

For

serial

number

COVERED

numberisnot

Table

yellow

additional

BY

MANUAL

coverage

MANUAL

Make

Manual

Changes

A,B,C
A,B,C,D

sequence

listed

7-1, it

important

refer

to

in

Page 1-4,

Change

Page 3-2, Paragraphs

Change paragraphs

Table

1-2:

Frequency

Reference

3-18

and

3-19:

to

readasfollows:

Output:

3-18. Sweep Reference

3-19. A DC voltage, which is an analog

for

quency, is available
locking
sweep
MHz/Volt.

Page 3-3, Figure 3-2:

Change

Change

signal is

Page 6-4,

Delete

AddAlR30
AddAlR35
Change

external

reference

FREQ

itemOto

Table
AIR47

REF

used

as a DC analogoffrequency.

6-2:

HP

HP

AIR41toHP

equipment

signal is

labeling on rear

read: SWEEP

Part

Number

Part

Number

Part

referencing

to

REF

0757-0442
0757-0279

Number

IV/GHztoSweep Reference

of

fre-

or

phase

the

Plug-in.

approximately

paneltoSWEEP

connector.

R:FXD
R:FXD

0757-0438

The

100

REF.

Provides 0to13

MET FLM 10.OK OHM
MET FLM

R:FXD

MET

3.16K
FLM

Output:

volt

OHM

5.11K

ramp

1%
1%

OHM

100

MHz/Volt.

signal from

1!8W.
1/8W.

1%

1/8W.

the

Plug-in.

The

7-1

Manual Changes

CHANGEA(Cont'd)

Page8-10, Figure 8-5:

Change Troubleshooting Flow Diagram

Page 8-13, Figure 8-7:

Replace Figure 8-7 with Figure 7-4.

Page 8-13, Figure 8-8:

Al

Change

Page 8-13, Figure 8-8:

Change

YIG Driver/ALC Board Assembly, Schematicasshown in Figure 7-2.

Al

YIG Driver/ALC Board Assembly, Schematicasshown in Figure 7-3.

as

shown in Figure 7-1.

Model

86220A

CHANGE

Page 6-5, Table 6-2:

Page 8-13, Figure 8-8:

CHANGE

Page 6-7, Figure

CHANGE

Page 6-5, Table 6-2:

B

HP

Delete CR1;

Delete

CRI

CR1
prevent tripping the over-voltage protection circuit when the 86220A

removed from the mainframe while powerison.Itis recommended this
modification
well.

Part Number 1901-0159; DIODE; POWER RECT,

from

Al

YIG Driver/ALC Board Assembly, schematic located

NOTE

has ben added to instruments with serial prefix 1319A and above to

be

performed on instrumentswithserial prefix below 1319Aas

C

6-1

:

Part

HP

Number

004 ONLY. This panel does
a rear-panel

86220-00014

RF

OUTPUT connector.

has been addedtomake available a LOWER

not

have an

RF

OUTPUT

D

AS

HP

Part

Number

cable. YIG OSCILLATOR replacements in instruments with

5086-7024 YIG TUNED OSCILLATOR has been modified requiring a

connector

1135A

Sl,

400V

MAX VRM

between

FRONT

hole since OPTION

prefix also require this new cable.

750

mA.

XA1 U and

is

PANEL for OPTION

004

provides for

new

XAI

output

M.

7-2

Model

86220A

Select

for

Connect
nector.
to

full

MANUAL

10.0

MHz.

DVMtoSWEEP

Set

MANUAL

CWo

DVM

86220A

checks0K.

SWEEP

Set

STOP

SWEEP

indication

~

r

MODE.

Set

START

control

fOT

1300

REFERENCE

control

should

YES

~r

Endoftroubleshooting.

output

from

full

changeby13.0

control

MHz.

con·

CCW

Vdc.

NO

- I

Manual Changes

Sweep

I

reference

voltageis1

YES

Vl1

00

MHz.

~

•

Sweep

I

reference

outputis0

K.

I

'---+

ProblemisinA1U4
Check

resistanceofA1

Resistors

measure0K.

Figure

R30
10K

Sweep

Reference

R30,A1R35

YES

ReplaceA1U4.

7-1.

PIO

amplifier

Figure

-10V

circuit.

andA1R41.

8-5.

Troubleshooting Flow Diagram

6

NO

R41

5110

- I

"'1

Change

defective

resistor

(CHANGE

J1

I

~IREF

~

I

....

I

SWEEP

L

__

I'n.'C\ <r - -

\illI~---_L..:

A)

I

--.

I

I

-.J

Figure

7-2.

P/O Figure

R35

3160

8-8.

Ai

fIG

Driver/ALC

CD}.-_--.:.W:....6

Board Assembly. Schematic

(CHANGE

A)

7-3

Manual Changes

Model

86220A

Mainframe

--

H'GHGU"'N'GROUN~

P

I I

~ExrERNALAMMODULAnON~

+20V

~

-IOV

~

Pl

I

5 I

~(~------(

34

i--!-----(

I

J

~-;------{

I

ALC8LANK/NG

"""HOO

SQUARE·WAVEMOD.

, KH,

'",CRN"

31

~

--J

~(---'-------l

~

361

~-+------{

@

(]ID

®

+20V

-IOV

h

\<

~

I
I

1

~

I

1 A

B(

k

c<

1

_~.M

:J;M

CAl

~

CA2

~

Figure

I

~

L::__

7-3.

P/O Figure

ALe

-10VFREQREF

TUNING

VOL

OR

MRNU"

8-8.

MARKER

-----=-<

~

-40V

~

rAGE

-----::-<

tr~

CAn

-----'<

Al

YIG Driver/ALCBoard Assembly, Schematic (CHANGE

f(

-------l

@

i <f

J

~(-,:------(

J

+-(--+-------1

1

~

~(---1

1

9

--{

@

~

W5

CD

<!ID

-40

9

: 5 ( (

:11. I

V

!

1

I
I

1
1
1

116

1 <

o 1

M(

~~~

CA3

~

(

I"

~

/

A)

7-4

Model

86220A

MAX

LEVEL

Rl

R13

A1

BLANK
ADJ

\

R43

FREQ

HI

I

/

ADJ
LO

Manual Changes

CAVITY
BIAS

/

R45

01

=

N

a:

Ncr:

a:(.)

....

NM

a: a:

uu

...

Cl

U1

........

mIX

~~~~~~

ua:

a:

cr:a:

0

<PM

.'

ClCcr:

<P-

...

cca:

02

M

~

~:M~:~""

CJ:ma:CCUcca::

Q3

C''3

U3

f;l4

Figure

7-4.

Replacement

for

Figure

8-7.

Al

YIG Driver/ALC Board,

Component

Locations

(CHANGE

7-5/7-6

A)

Model

86220A

8-1. INTRODUCTION

8-2. This
ing,

section

provides

troubleshooting,

and

instructions

repairing

86220A RF Plug-in.

8-3. PRINCIPLES OF OPERATION

8-4. Detailed

tic diagramisplacedonthe

out

page.
circuit-level diagnosis in
easy

correlation

This

circuit

places

between

description

facing left-hand fold-

material

one

location

function

for

needed

circuit.

SECTION VIII

SERVICE

for

test-

the

model

the

schema-

for

printed-

and

allows

and

specific

flow

diagram

cedure
8-7.

to

The

troubletothe

provides

identify

second

component
ramisprovided
scription
component

848.

8-9.
maintain
Ifthe
that
be

substituted.

to

aid in

level within

RECOMMENDED TEST EQUIPMENT

Test

equipment

the

Model

equipment

meets

the

a simple

the

defective

maintenance

along with a

troubleshooting

and

86220A

listed is

minimum

step-by-step

assembly.

level

level. A

schematic

detailed

the

assembly.

accessories

are

listedinTable

not

available,

specification

isolates

circuit

down

required

equipment

shown

Service

pro-

the

diag-

de-

to

the

to

1-4.

may

8-5. TROUBLESHOOTING

8-6.

Troubleshootingisdivided

nance

bly level,
tion

levels in this

which

manual.

isolates

the

toacircuitorassembly.Atroubleshooting

..-8620A_

POWER

SUPPLY

RAMP

GENERATOR

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

ORIVER

into

two

The

first is

causeofthe malfunc-

B620A/B622DA

YIG

the

YIG
OSC

mainte-

assem-

SIMPLIFIED

,------,

8-10. Service Accessories

PIN

MOO

8-11. A
No.
ing
in

Table

BLOCK

DIAGRAM

86220A

ALe

the

Service

08620-60030,isavailableasan

Model

86220A.

1-3.

-----------_

r------~

MIXER

CAVITY
OSCILLATOR

0)

4.2

GHz

AMP

Accessories

This

AMP

package,

aid in

HP

Part

maintain-

packageisdescribed

OIR

DETECTO

R

RF

OUTPUT

Figure 8-1.

8620A/86220A

Simplified

Block

Diagram

8-1

Service

Assembly

Assembly

Assembly

Stage

Test

of

Arrow
urement
measuring

part

number

name

~

deSign~

""-..

~

name~.

A2DCREGULATOR

XA2

,

,

--cD--P<

: I

I ,

~f----"'"

I

r-REGULATOll.

~---~

f1<~

L

pomt

schematic

connecting

point

ASSY

SERIES

------/_~

symbols.

diagrams.

startomeas'

signifies

aid

provided.

,

W87D8-(;IJOO71

-----

Stars

are

numberedorlettered

procedures,

no

and

locator

Star
nectedtocircuit
uring
pad,

illustrations.

shown

aid

etc.)

Plug·in
Socket

Number

,j""',,,'"

4x~,

lU;'flt')/Cftlt:""'~lll)1ol."O'''OU'llltfDI_·._l
"'~'oE"Il'U

U'f

~lME.Un:D

JUu

()(S,c;.o.~TIOH

f{U;:'.\

...

~~~~~=:f~

(0_1"1.£11'\';10"",,

·O~"l~'

1M

~~~:~'u~~

H----'

for

easy

electrically

(metal

provided.

connection
designation

correlation

signifies

post.

can·

meas-

circuit

information.

for

A 2

assembly.

Interconnection

Circled

letter

path

continuesonanother
schematic
same

circled

sheet

indicatedbYadjacent

bold

number
example).

mdlca~~2)./

'f

)81

I i

4

7'

REFERENCEDESI

NO

03

94

PREFIX
A2

J3

XA2

GNAT

A2

C1

Q1

R1

ASSY

Model 86220A

information.

indicates

diagram.

Look

letteronservice

(3.inthis

J3

not

mounted

mb

7

J3

Non-plug-in

connection

information.

Solder

point

numbered.

ION

S

circuit

for

'>"

Wire
sameasthe
tifies
and

~

violet

8-2

color

the

the

narrow

code.

resistor

base

thud

denotes

Circuit

Conducting
to

chassisorframe.

Value
Value
commonly

Code

color

color.

second

number

white

stripe.

board

common.

connection

selected

for

best

First

value.

number

the

stripe.

wide

operation.

wider

stripe.

shownisaverageormost

selected

used

(MIL-STD-681)isthe

code.

number

the

narrower

base,

yellow

Figure 8-2. General Information on Schematic Diagrams

iden-

stripe,

Example.

Connector
bOrderlinesotcircuit
lies
assembly
those
plug

Reference
by
here.

List
nationsonthe

signify

made

partofthe

circuit

of

all

symbols

connectionstothe

which

are

through

assembly.

designators

changes

the

reference

diagram.

within

separate

the

are

assemb-

integral

deleted

listed

desig-

the

from

2

A2

/

Assembly
Large

earnersofschematic
are
They
venienceintracing
connections.

reference

numbersinlower

service

sheet

are

provided

numbers.

designator(s).

right

diagrams

for

con-

inter-

Model

86220A

Service

--

R,L,C

PIO

*

o

r-----,

L -.J

..

SCHEMATIC

Resistanceisin ohms,
unless

Part

Asterisk

Panel

Screwdriver

Encloses

Encloses

Circuit assembly borderline.

Other

Heavy line

Heavy

otherwise

of.

denotes

control.

front

rear

assembly

dashed

noted.

adjustment.

panel

panel designation.

borderline.

with

arrows indicates

line

inductance

a factory-selected value. Value

designation.

with

arrows indicates

DIAGRAM

is in microhenries,

path

NOTES

and

directionofmain signal.

path

capacitance

shownistypical.

and

directionofmain feedback.

is in

picofarads,

Wiper moves
or

knob.

Encloses wire
color
stripe,
white

Number

PIN

code.

and

the

base,

yellow

=Service

Letter

Light-emitting

Breakdown

Field

= off-page

diode.

effect

diode.

transistor

toward

color

First

diode

CW

code. Code used (MIL-STD-681) is

number

third

number

wide stripe, violet

Sheet

connection.

(LED).

(FET)

with

identifies

number

with

clockwise

identifies

narrow

for off-page

N-type

rotation

the

base color,

the

base.

of

narrower

stripe.

connection.

control

the

second

stripe;

as viewed

same as

number

e.g.

(]£D

from

the

the

shaft

resistor

wider

denotes

Figure

8-3.

Schematic Diagram

Notes(1of

3)

8-3

Service Model

86220A

SCHEMATIC

Field

effect

Operational

Test

point

Assembly ground.

Chassis ground.

Earth

Common

High-current

transistor

amplifier

location.

ground.

connectiononsame page.

ground.

DIAGRAM

(FET)

(integrated

Number

with

P-type base.

circuit).

denotes

NOTES

test

point

(Cont'd)

number.

Voltages noted within circuits are measured with respect to chassis ground and have a

±

10%

tolerance.

Conditionsfor waveforms and dc voltages on schematic and block diagram are as folJows:

a.

DC Voltages are measured in CW mode (CW pushbutton pressed) and controls

set

as

follows:

86220A

POWER

LEVEL

Full Clockwise

8620A

START
CW pointer 650
STOP

MARKER
MODE
TRIGGER
TIME-SECONDS
TIME

kHz

1
RF
DISPLAY
LINE

pointer

pointer

10

1300

Vernier Full Clockwise
SQ

WV/OFF

BLANKING/OFF

RF

BLANKING

BLANKING/OFF

MHz
MHz
MHz

OFF

AUTO

.INT

1 -

OFF
OFF

ON

.01

8-4

Figure 8-3.

Schematic

Diagram

Notes(2of

3)

Model 86220A

b.

c. Waveforms on Troubleshooting Block Diagram are displayed as follows:

SCHEMATIC DIAGRAM NOTES (Cont'd)

Waveformsonschematic
mode

(START

1.

YIG Oscillator

pushbutton pressed). Control settings are as notedinstep

OutputatA5J1; displayedonspectrum

CW mode and CW pointer

2.

4.2

GHz

Cavity OsciIJator

3.

Frequency

START/STOP

4.

RF

CW

Output

pointer set to 1300

Translator

mode. Control settings are as

at 11; displayedonspectrum

are

displayedonoscilloscope with 8620A in

Output

Output

setto1300

at A211; displayedonoscilloscope with 8620A in

MHz.

at A411; displayed on

notedinstep

MHz.

analyzer

Control settings are as

with 8620AinCW mode

noted

analyzer

spectrum

a.

in step

START/STOP

a.

with 8620A

in

analyzer.

and

a.

Service

5.

ALC

waveform

START/STOP mode. Control settings are as

OSCILLOSCOPE

<,

-D°

o 0

o'

_.

VERT

INPUT

0

•

0

CRYSTAl

DETECTOR

""------c:IJ-o----A.--

Equipment

EQUIPMENT:

at

A I

SWEEP

OSCIllATOR

Setup

TP3;

RF

PlUG-IN

~

20

Y

ATIENUAT

for

DC Voltages

displayed

d8

OR

on

oscilloscope

noted

D

and

Waveforms

in step

SPECTRUM

with

a.

ANAl

YZER

~@@@

- 0 0

:

~CV~

..

.

8620A

~

-..

RF

INPUT

In

Sweep
RF
Spectrum

Oscillator

Plug-in

Analyzer
Oscilloscope
20 dB Attenuator
Crystal

Detector

Figure 8-3. Schematic Diagram

HP

8555A18552B/141T

RP

180A/1801 Al1820A

RP

8491A, Option

Notes(3of

3)

HP

HP

8620A

86220A

HP

020

423A

8-5

. Service

r.

TEST

OSCILLATOR

DC

POWER

SUPPL

Model

Y

DC

DIGITAL

VOLTMETER

86220A

TROUBLE·

SHOOTING

PROBE

SWEEP

OSCILLATOR

\.

- - - -;;-;

RF

PLUG·IN

RF

OUTPUT

_______

FREQUENCY

METER

S~VI;;-CA-;-E

- - t

10

dB

ATTENUATOR

_____

I

OSCILLOSCOPE

MAINFRAME HORIZONTAL

POWER

METER

• •

.-

o •

1-

VERTICAL

THERMISTOR

I

CRYSTAL

DETECTOR

~

A

r

VERTICAL
IN_PU;..T_-,

MOUNT

AND

PLUG·INS

SPECTRUM

ANAL

YZER

ClIp·ON

MILLIAMETER

PLUG·INS

RF

INPUT

_

8-6

EQUIPMENT:

Sweep Oscillator 0 0
RF

Clip-on Milliammeter

DC Digital Voltmeter
DC Power Supply
Test

Oscilloscope mainframe

Oscilloscope Vertical Plug-in

Oscilloscope Horizontal Plug-in

Spectrum Analyzer
Spectrum

Power

Frequency

10

Crystal

RF Service Cable

Type

•••••••••••••••••

Plug-in 0

••••••••

00.00.0

..

0 0 • 0

0 • 0 • 0••0

•••••••••••••

••••••

Oscillator 0 • 0 0

0

••••••

IF

Section 0 0

Analyzer

Meter&Thermistor

Meter

dB Attenuator 0

Detector

N to SMA Adapter 0

RF

Section

...

Mount

0.0••••••

•••••••••

000.0

••••••

0.00

••••

'0'

0

••••

••••••

Figure 8-4. Troubleshooting Test

0 0 0

000.0

0

••••••

0 0

••••••

0••0.0

o'

0

•••0•••0•••••

00

••••

••••••••••

0

••••••••••••••

0

•••••••••••••

0 • 0

0

••••

.00

•••••••

000

••••••

0 0

••••

0

••••••••

••••••••

0.0.0

•••••••••

0 0

•••

••••••••••

o

••••••••

••••

HP

oRP

8491A, Option

0••0

Setup

0

oHP

0

•••

HP

0

••

HP

HP

0

••

HP

••

HP

0 • 0

HP

0 0 • 0 •

HP

HP

HP

o'

.HP

432A/8478B

0

••

RP

•••••

HP

HP

8120-1578

HP

1250-1404

8620A

86220A

428B

3460B

721A

651B

141

1407

A

142A

8552B

855A

536A

10

423A

T

Model 86220A

INITIAL

I

SH~ET

]

SWEPT
POWER

SETUP

Connect

8620A

follows:
BAND
STARTpointer

STOPpointer

CW
MODE
TRIGGER
TIME-SECONDS
SECONDS
AM

RF
Set
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I

TROUBLESHOOTING FLOW
DIAGRAM(1of

•

4)

Figure

8-5.

Troubleshooting Flow Diagram (2of4)

FROM SHEET 2

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Toubles!loolingFlowDlagrom(Jof-J)

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TROUBLESHOOTING FLOW

DIAGRAM

•

(3014)

~",Io<oA1U4.

1

FROM SHEET 3

Service

Model

86220A

]

MODE.

Measure

ResidualFMis

C

residual

~

10

KHz

YES

FIYI

P·P.

with

Spectrum

f-N_O

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Rasidual

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FMinCW

I

ResidualFMOK.

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mode

displayedonSpectrum

YES

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supplies;

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N

I

NO

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P

M

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21

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pe,

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measure

measure

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10V

40V

10V

Freq.
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ripple

voltagesonpower

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<50fJ.V
<

50

<

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<

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YES

ripple

voltageatA

YES

IN

fJ.V

p.p

p.p
p.p

p.p

p.p

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ripple
ripple
ripple

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Set

8620A

same

frequencyasthe

sweep

control

Mode.

Residual

CW

filter

ponent

on

current

mounted

driver

Q1,

8620A

START

fully

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R1,orR2.

mainframe.

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CW

CCW.

~

3

times

circuit 0K.Problemisnoise

voltageornoise

~

pointer.

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greater

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I

the

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thanCWFM.

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A105,

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or

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from

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circuits.

Chll€kAl07,

UAL

SWEEP

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MtoSWEEP
V1ANUAL
,

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indicationshould

MODE.

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REFERENCE

control

YES

START

for

1300MHz.

output

from

change

control

full

con·

CCW

by

NO

1----------1~1

I I

Sweep

I

referell1:e

Sweep

voltageis1V/100

refereflce

YES

outputisOK.

MHz.

I

r-

NO

DisconnectW1RF
measured
YIG,

Disconnect
A4J1.
putofA4

Disconnect
lator.FMmeasured
of

ProblemisinA1U4

Check

Resistors

with

Spectrum

A5J1is<10KHz

W2RFcable

FM

measured

Cavity

W7RFcable

A2,A2J1is<10KHz

I

Replace

resistance

measure0K.

cable

fromA5YIGoscillator.

AnalyzeratoutputofA5,

P·P.

YES

fromA4cavity

with

Spectrum

Oscillator,

of

A4J1is<10KHz

YES

fromA2

with

Spectrum

P·P.

YES

A3

Amplifier/Oetector. I

Sweep

Reference

A1R30,

YES

Oscillator,

Analyzeratout·

Frequency

Analyzeratoutput

amplifier

A1R35

and

FM

P·P.

Trans-

circuit.

A1R41.

NO

NO

f-N_0--ll~r

NO

1---.1

ReplaceA5YIG

I

Check

chassis

I

ReplaceA4Cavity

ReplaceA2Frequency

Change

1

defective

Oscillator

mountedC1and

resistor. I

Assembly.

~

YES

Translator.

1

C2.

Capacitors

oscillator. l

l

0

K.

I

NO

~

J

Replace

faulty

capaCitllr.

I

\

checks

OK.

ERdoftroubleshooting.

I

....

TROUBLESHOOTING FLOW

.,.

DIAGRAM

(3of4)

ReplaceA1U4.

I

Figure

8-10

8-5.

Troubleshooting Flow Diagram

(40[4)

Model 86220A

Mainframe

I

-

86220ARFPlug-in

A1

I I

,-

BOARD

....;.------

YIG

DRIVER

ASSEMBl

Y

~

A5

YIG-Tuned

1----

Oscillator

-I

2.9

GHz

+16

dBm

A2

Frequency Translator

,-----

A4

Cavity

1--

I

L

Oscillator

-,

I---+---i--~--

-'

- -

~

Cavity

~

Bias

"

"

"

-10VDC

4.2

GHz

+11

dBm

A3

Amplifier/Detector

I

r----

TUNING VOL TAGE

CW OR SLOWSWEEP

1kHz SQUARE

I

VQLTAGEMARKER

BLANKING

WAVE

Yig

~

Freq

Adj

Hi

driver

I \

I \

\

~

Freq

Adj

Low

J6

~

I

I

I

I
I

I
I

I
I

I
I

: I I

I

I

I
I

I

I

i

-"j~)~11>-2------------IU

I

I I
I I

J1

I

I

L

I

I

~

~lC5

'20V

-Iv'

70"'

I

I Attenuator

J3

I

I

L

924

Pin
Mod

CONTROL

Modulator

Driver

5

GHz

Low-Pass

Filter

: I I

I

I

BLANKING

SUMMING

AMPLIFIER

_

........" 6

'7

_

"",-

~----oool

..~_3

7

~

~

36

----1

1L

....

--~

Blanking

Clamp

0.2

~

.,..

I

,

1.45

Low-Pass

Filter

o

dBm

Blanking

Adjust

GHz

~

J1

I

I
I

I

I

Amplifier

Attenuator

Amplifier

I

J1

I

I

L

l

OdBm

l:

Service

3

Hz

I-Pass

Iter

A4

I

I

L

Cavity

Oscillator

--I

\-------l.......,..--i!!---

1.45GHz

Low-Pass

Filter

-10VDC

I

J1

~

-

-

-

-

-

-

l

4.2

GHz

+11

dBm

1300MHz

+10

dBm

A3

Amplifier/Detector

,----

Directional

I

I

I

I

I

I

I

I

L

J1

Amplifier

Attenuator

,

--------------

Amplifier

1.45

GHz

Low-Pass

Filter

DC PROPORTIONALTORF

POWER

Detector

3

906

Temp

Camp

Diode

I

90iJ

I

J1

I

I
I

~

I

I

~

Blanking

Clamp

02

~

yr

I

a

dBm

Blanking
Adjust

OdBm

Power
Reference

Level

POWER

LEVEL

Min
Level

Max
Level

I

J

Figure 8-6. Troubleshooting

Block

Diagram

8-11

THEORY OF OPERATION

INTRODUCTION

The

8620 series

provides

over

eitheraswept

the rangeof10
internally with 1
FM

source.Itprovides internally leveled

range

of

0 to +

voltage

of

Sweep

Oscillator/86220ARFPlug-in

frequencyora single

to 1300

kHz

AM, or externally withanexternal AM

10

dBm.Itprovides

approximately

MHz,

which

a frequency reference

1V/GHz for

equipment.

SWEEP OSCILLATOR MAINFRAME

The

Sweep

supply voltages

kHz

1
as well

A 0 to
which
SWEEP
sweep, this
green and red pointers
scale, only a portion
sweep
incrementsfrom 0
ramp.
voltage and the 1300

Oscillator mainframe (8620 series) provides all

usedbythe

86220A

RF

modulation signal (for internally modulating the

as

blanking and

+

lOY

tuning voltage

provides

tuning

modeorwhen

rampisa

range selected.

to

The0MHz

marker

control

signals.

ramp

is generated by the mainframe

of

green and red poiners are set for full-scale

swept

ofthis

The

1300

voltage

set

for any sweep range

rampisgenerated, in proportion to the

frequency scale,

MHzis

directly related to

frequency-scale-mark relates to 0

MHz

frequency-scale-mark relates

Vdc tuning voltage.

The

voltage ramp is appliedtothe

86220A

86220A RF PLUG-IN

The
sections;
and amplifies
maintains

RF

86220A

theRFSignal

the

Plug-in.

RF

Plug-in circuitry

the

RF

signal, and

RF

power

can

Generator

Circuits,

the

level and provides internal modulation

capability.

RF Signal Generator Circuits

The

YIG Driver.

Tuning

basically a variable

the

ortional to
from

the

sweep

the main coil

tuning voltage

oscillator mainframe. This

of

the

Voltage

current

AS

YIG

source

ramp

Tuned

Current

that

combination

frequency

can

be modulated

RF

power

RF

over

output

phase

locking

external

power

Plug-in. It also provides a

RF

power)

the

RF

plug-in. In

of

0 to +lOVdc. With

other

FULL

than

whichiscalibrated in

the

0 to +10V

Vdc

tuning

to+10

YIG Driver circuit in

be divided into two basic

that

generates, filters,

ALC

Circuits,

Driver

that

sets

(YIG Driver) is

generatesacurrent

generated

by and

current

received

is applied to

Oscillator assembly.

signal

either

or

the

the

full-

the

and

prop-

Y

IG

Oscillator.

signal
YIG

4.19

propoltional

coil.

The

GHz

and 2.90

applied to the YIG Driver will produce

necessary

to sweep the YIG Oscillator through its full range,

4.19 - 2.90
produce

will
Oscillator will
level applied to
the

YIG

Oscillator

the

YIG

Oscillatorisapplied to the A2
tuning sensitivity
ma/GHz

which means that for
the YIG Driver, the Y
ity figure will vary slightly
the

low and high end
adjustments
are

provided to

CW

A

FILTER
characteristicsineither
When
TER

either

SWITCH

TheYIG

to the amountofcurrent

frequencyofthis

GHz.

GHz.

Any portionofthe ramp less than full range

a propOltionallesser

sweep

through a

the

YIG Driver produces a

generates

of

IG

(FREQ

AD]

compensate

Oscillator

produces

an

applied to

output

A tuning voltage

is designed to be

ramp

of

the

amountofcurrent

amountofcurrent

shorter

range. A

constant

constant

a single

RF

frequency.

Frequency

Translator.

the YIG Oscillatorisapproximately

every

24 maofcurrent

Oscillator will tune 1GHz. This sensitiv-

betweeen

of

the oscillator frequency range.

HI

AlR12

oscillators and also
and

FREQ

AD] LO

for these variations.

SWITCHisprovided to improve residual

the

CW

or

MANUAL

CWorMANUAL

is energized adding a large

sweep is selected, the CW

capacitortothe

RF

Output

the

main

between

zero to +10V

and the YIG

voltage

current

The

output

provided by

between

Two

AIR2l)

sweep

modes.

FIL-

YIG

and

of

The

24

FM

DriverlYIG Oscillator circuits. This provides more filtering to
improve residual FM.
mode

4.2 GHz Cavity Oscillator.

single

sinceitwould affect the RC time

transistor

located inside a tuned cavity. This tuned cavity

oscillates at a frequency

is

Oscillator

Frequency Translator.

applied to

mixer which mixes the

GHz) and the

output

of

output

the YIG Oscillator

the

The

outputofthe YIG Oscillator

of

Frequency Translator.Itis

cannot

The

4.2

GHz

of

4.2

GHz.

A2

Frequency

Frequency

the Cavity Oscillator (4.2 GHz). The

(4.19-2.90

first alternated, then coupled through

be used in any

sweep

constantofthe sweep.
Cavity Oscillator uses a

The

outputofthe

Cavity

Translator.

Translatorisbasically a

(4.19-2.90

GHz)isapplied to

the

This

filter

a PIN Modulator and a 5 GHz low pass filter (to remove any

into

unwanted harmonics)

a mixer.Itis

from the Cavity Oscillator and the difference frequency

out

of

the

pled

mixer through a 1.45 GHz low pass filter

remove any unwanted mixing products) to the

Detector. With a zero to

+lOY tuning voltage ramp applied to the

mixed with the 4.2 GHz

is

cou-

(to

A3

Amplifier/

YIG Driver, the YIG Driver will produce the current necessary to

to

sweep the YIG Oscillator from 4.19 GHz down

NOTE

The

YIG

Oscillator sweeps down

frequencyasthe tuning voltage ramp

in

sweeps up

voltage.

2.90 GHz.

in

When

isatOV
quency
difference frequency

voltage is

mixed with the 4.20

the zero to + 10V tuning voltage applied to

the YIG Oscillator

is mixed with

the

outputis4.19

4.20

GHz

GHz.

from the Cavity Oscillator, a

of10MHzisproduced.

at+lOY,

the

YIG Oscillator

GHz

to

outputof2.90

produce a 1300

the

When

When

MHz

YIG

Driver

this fre-

the

tuning

GHz,

difference

frequency.

Amplifier/Detector.

from

the

A2

The

Frequency

lO

to 1300

Translator

MHz

difference

is

appl

ied to

frequency

the

A3

Amplifier/Detector. Within the Amplifier/Detector it is amplified

two

by

stagesofamplification

low pass filter and a directional

ALC Circuitry
Power Level Control.

The
sets a reference voltageatthe positive input to
LIFIER

which is

the

reference input.
voltage is determinedbythe settingofMAX
MIN

LEVEL

Main ALC Amplifier.

AlR13.

The

outputinproportiontothe

POWER

amountofcurrent

Modulator Driver.

source
voltage

Pin Modulator. The Pin Modulator, physically located in the A2

LEVEL

provided by

that provides

'of

the

main

control.

The

Modulator

current

ALC

and

coupled

through

a

1.45

detectortotheRFOUTPUT

front panel

POWER

The

rangeofthis

LEVEL
the

LEVEL

control

ALC

reference

A1R1 and

ALC Amplifier provides a voltage

reference voltage input

This

voltage

the

MODULATOR

output

Driverisbasically a

in

proportiontothe

set

by

regulates

DRIVER.

current

DC

output

amplifier.

GHz

II.

AMP-

the
the

FREQUENCY TRANSLATOR assembly, is basically a variable

is

attenuator. The attenuation
of

current provided by the modulator driver. Since the Pin Modu-

is

lator
amount
is

in the

proportional to the drive current. The

determined by the reference voltage set by the POWER LEVEL

RF

signal path, the

directly proportional to the

RF

signalisattenuated by

amountofcurrent

amount

control which sets the RF power level at the Pin Modulator.

~,Directional

catedintheA3AMPLIFIERIDETECTORassembly,

a small

tional to the overall
locai:ed in

drop

tage
power
main

ALC
positive input set by
voltage inputs are equal, it indicates
directional
LEVEL
cates

that

power

the

Detector.

The

Directional

Detector,

physically lo-

couples

amountofthe

the

A3

across

RF

power.

RF

power, is dissipated across a diode also

AMPLIFIER/DETECTOR

This

sampled

RF

power, propor-

assembly.

The

this diodeisdirectly proportional to the

dissipated.-This voltageisfelt at the negative input to

amplifier

detectorisequal to

control.Ifthese

the

power

level

whereitis
the

level at

setbythe

POWER

the

compared

LEVEL

that

power

to the voltage at

control.Ifthese

the

level

two voltage inputs are

the

directional

POWER

LEVEL

detector

control.Ifthe voltage

power

level at

setbythe

unequal,

is not equal to

POWER

it indi-

out

vol-

RF
the
the

two

the

is

an

Service

Model 86220A

inputs
either
ferenceinthe

the
changes
This change in

Modulator
change in power level at the directional

rection voltage
negative

amplifier the circuit

the voltageatthe
positive
equal.

LEVEL control setting) the ALC circuit corrects for
maintain a leveled and calibrated

Marker/Blanking

Marker/Blanking/1

to the

ALC

Amplifier

increasesordecreases

inputs.

This

amountofcurrent

the

amountofattenuation

attenuation

whichisdetected

at

the

negative

input

is now equal

is

negative

input

If

the

the

process is repeated until

reference

/1

kHz

are

unequal,

an

amount

changeinALC

provided

by

the

ALC

proportionaltothe

the

modulator

output

voltage

output

driver

voltage

changes

which

provided by the Pin Modulator.

changes the

by

inputtothe

to

the

the

RF

power level at the Pin

directional

detector

detector.

changes the cor-

ALC amplifier.Ifthe

positive

input

of

the

ALC

stable and power is level and calibrated.

inputisnot

input

changes (by changing

RF

kHz

Modulation

Modulation

equaltothe voltageatthe

the

two

inputs are

the

the

change

power

output.

Amplifier.

Amplifier

sums

the

POWER

The

internal

dif-

The

to

modulation inputs (Marker, Blanking and 1 kHz AM) producing a
voltage

ALC

modulates

LEVEL

ulator. Since

reference

ulatorisdriven so hard
enough correction
therefore,

output

amplifier.

whichisfeltatthe reference (positive)

This

voltage at

the

already

control.

the

This

internal

(positive) inputofthe

to

will appear

the

ALC

amplifier

present

modulates

voltage level

the

modulation

ALC

the

directional

RF

signalatthe

inputs

Amplifier,

detector

override this modulation.

at

the

RF

OUTPUT J

1.

set

are

inputtothe

reference

by the

Pin

applied to

the

PIN

cannot

The

modulation,

input

POWER

Mod-

the

Mod-

supply

input circuit, therefore, any temperature change will be sensedatthe reference

input

and compensate the

RF signal level.

External

Any external
inputofthe
POWER LEVEL control which changes or modulates the reference voltageatthe ALC AMPLIFIER
This modulates

If

Frequency Reference Amplifier

The 0 to +IOV tuning voltage ramp applied to the YIG DRIVER circuit

REFERENCE AMPLIFIER. The
cross a voltage divider network such

the 0

FM

Frequency Modulation signals applied
compensation circuit to the
Oscillator
decreased thus improving overall response. Amplitudeofthe

AM

to

+1.3V ramp.

Input

Amplifier

AM

signal applied to the EXT

external

the

FM

coil experiences roll-off.

AM

amplifier in

RF

OUTPUT in the same mannerasthe internal

FM

AM

the

inputofthe

86220A.

The

sweep oscillator mainframeisapplied to

outputofthe external

AM

signal.

is

also appliedtothe

AM

amplifierisfelt at

FREQUENCY

outputofthe FREQUENCY REFERENCE AMPLIFIERisdeveloped

that

the

FREQ

to

the

coilofthe YIG Oscillator. At high

To

compensate for this, the resistanceofthe

REF

outputisapproximately 1V/GHz.Inother

FM

INPUT connector are coupled through a high frequency

FM

frequencies the responseofthe YIG

input

RC

FM

signals are limitedinboth

directions

words,

network

the
the

input

by

a-

is

a

pairofclamp diodes.

Blanking Clamp.

resembles

is

provided

By

preventing

the

Blanking
ensures
applied to
with

the

to limit

sharply

the

BLANK

Negative Feedback Amplifier.

lifier is
pensate

providedinthe

for

abrupt
suchasmarkersoramplitude
negative
ence
there
routed
signal

feedback,

input

would

would

backtothe

enough

To

ensure

modulation

the

degreeofsaturationofthe

the

ALC

Clamp

ensures

that

the

inputinappearance,

Amplifier from going into full

a fast

defined trailing edgesofthe

PIN

Modulator.

AD]

control

The

A1R43.

The

MAIN

changes

ALC

in the

ALC

modulation

an

cause

be

overshooting.

reference

for the

PIN

abrupt

voltage

the

Pin

Modulatortoreact

A signal

input.

MODULATORtoreact

shooting.

Temperature Compensation Diode.

To

compensate
sation
(A3
diode.

diode

AMPLIFIER/DETECTOR)

This

for varying

is physically

diode is in the

temperatures,atemperature

locatedinthe

as

ALC

Amplifier

modulated

a Blanking

return

from

modulation

saturation

level is

Negative

AMPLIFIER

amplifier

signals.

changeatthe

of

reverse

This

slows

same

assembly

the

directional

reference

output

closely

Clamp

ALC

Amplifier.

saturation,

saturation.

current

adjustable

Feedback

Amp-

circuittocom-

reference

Without

ALe

refer-

so quickly

polarity

down

the

without

over-

compen-

package

detector

(positive)

This

input

this

is

input

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DRIVER/

BOARD ASSEMBLY

Model 86220A

W4

A4

CAVITY

OSCILLATOR

C1

A5

YIG·TUNED

OSCI

LLATOR

MAX

LEVEL

MIN

LEVEL

TOP

VIEW

CAVITY

Service

BIAS

~:."'IIiIiI_.""'--~----

A2

FREQUENCY

TRANSLATOR

--

W8

.-

A3

AMPLIFIER·D

ETECTOR

Q1

BOTTOM VIEW

W4

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W3

W5

Figure 8-9 Major Assembliesofthe Model

W2

86220A

Wl

A2J2JW2P2

Figure 8-10.

W2

Adjustment

M

CAVITY

FREQUENCY

and

Test Point Locations

OSCILLATOR

ADJ

MJ1JW2Pl

8-15/8-16

MAJOR ASSEMBLI

ADJUSTMENT

AND

• POINT LOCATIONS

ES

TEST

Model

86220A,

Option

002

Appendix

APPENDIX A

MODEL 86220A

A1. INTRODUCTION

A2. This Appendix describes the differences in the Model 86220A RF Plug-in with Option 002 installed. In

it

addition
Option 002 are contained in Section VI, Table 6-2.

A-3. DESCRIPTION

A4.

This allows signal

AS.

A6. SECTION I, GENERAL INFORMATION

describes the manual changes necessary to document the additionofOption 002. Replaceable parts for

The

model

86220A

attenuationtobe selected in

Option

002

incorporates

MANUAL CHANGES TO INCORPORATE OPTION 002

RF

PLUG-IN, OPTION

100dB

a 0to70

steps

dB

through

002

attenuatorinthe

a 70-dB range.

RF

signal

output

path.

A

dB

Change POWER VARlATION specification for attenuator steps 0 - 60
Change POWER VARIA
Add POWER

Range:

Accuracy:

LEVEL

10dBvernier change within each 10-dB attenuator step.80dB

<±2
<±2.5

CONTROL specificationasfollows:

dB

for

dB

nON

for

specification for attenuator set at 70 dBto± 1.5 dB.

attenuator

attenuator

steps

setat70

0-60

dB.

dB.

to ± 1 dB.

nominal

A7. SECTION III, OPERATION

Replace Figure 3-1 with Figure A2.

Figure

AS.

Add,toallofthe performance test procedures, instructionsininitial control settings to set
dBm, 0 - 70 dB attenuator, to 0 dB.

POWER

3-3, PROCEDURE:

Change step

I 86220A control settings to the following;

POWER

POWER

LEVEL

LEVEL

dBm, 0 - 70 dB 0 dB

dBm, vernier (0 to +10) Full clockwise

Section IV, PERFORMANCE TESTS

LEVEL
Change specifications for Calibrated Leveled
Change specification for power variation at
Change the last sentence
Change the last sentence
Change step f as follows:

f. Set adjustable AC line transformer to 115 VAC. Press 8620A CW pushbutton. Adjust oscilloscope

trace to the bottom
power meter by

and note position
tolerance

AND VARIATION TEST

of

step c to: This total should be zero dBm

of

step d to: This total should be +

of

the display and note trace position. Decrease the output

2.0dBby adjusting the 86220A
of

oscilloscope trace. (The area between the position noted represents the leveling

of

± 1 dB.)

Power

maximum

to: zero to +

leveled power for all conditionsto± 1 dB.

POWER

10

dBm

LEVEL

10

dBm

(±2

±2

dB.

±2

dB.

vernier control counterclockwise

range.

dB).

power

POWER

indication on the

LEVEL

A-I

Appendix

A

Model

86220A,

Option

002

Change

11.

step

hand
Adjust
lower

the

specification limits noted in step f for 2 dB.

must be within the 2 dB

1.

Deleted.

Change

POWER

the last

LEVEL

CONTROL

Add the specifications

Range:

Accurcy: <

Change

10

dB vernier

±2

the

DESCRIPTION

DESCRIPTION:

TheRFpower

of

the

POWER

signalisreduced

Change

step

band

b.

Press

8620A

zero to +

c.

Select

LOG

at the top graticule lineofthe

i as follows:

positionofthe

oscilloscope

peak-to-peak

sentenceofstep j as follows:

TEST

for

the

power

change

level control as follows:

within

each

dB

as follows:

outputischecked

LEVEL

below

controls.

-40

through

The

dBm.

OFF

c as follows:

CW

10

dBm

display.

pushbutton.

controltozero

Adjust

Set

86220A

spectrum

CRT.

trace vertically so thatitis displayed

The

highest

and

limit noted.

Power

the IO-dB vernier

meter

indication

la-dB

attenuator

positionofthe

POWER

should

step. 80 dB nominal range.

range

and

the

vernier

LEVEL

control is

dBm

dBm.

analyzer

to place the

peakofthe 1000

between

lowest

0 -

portionofthe

not

0 -

change

70

also

more

dB step

checkedtosee

70dBattenuatortozero

MHz

fundamental

the

upper

sweep

than ± 1dB.

attenuator

range

that

signal

and

trace

the

and

Add

e.

f. Set

Table

Change

Step c

Stepdlower

Stephupper
Delete
Stepjupper

step e

Set
spectrum
the

correct

4-2.

Performance

paragraph

and

f as follows:

POWER

LEVEL

analyzertoplace

CRT.

POWERLEVEL

indicationonthe

POWER

Step Attenuator

Test

4-10

lower

limit to -

limit to
limit

to 2 dB P-P.

step i.

limit

to ± 1 dB.

vernier

the peakofthe 1000

0 -

70dBstep

spectrum

Table A-I. Attenuatar Step Test Limits

LEVEL

0

10

20
30
40

50

60

70

Record

measurement

dBm

and

+8

dBm

and

control to +10

attenuator

analyzer.

0-70

dB

(dB)

limits as follows:

upper

limit to +2

upper

limit to + 12

dBm

and 0 -

MHz

fundamental signalatthe top

to the positions

IndicationonSpectrum

dBm.

dBm.

70

dB

attenuator

listedinTable

Analyzer

Reference

odBm ±2 dB

-20

dBrn ±2 dB

-30

dBm ±2 dB

-40

dBm ±2 dB

~50

aBm ±2 dB

-50

dBm

±2 dB

-60

dBm

±2.5 dB

to zero

A-I

dB.

graticule

and

check

Adjust

line

of

for

the

A-2