HP 11665b schematic

OPERATING

AND

SERVICE

MANUAL

•

116658

..

~,

I

I

,-

JULY

1973

CERTIFICATION

The Hewlett-Packard Company certifies that this instrument was thoroughly

to

meet

tested and inspected and found
was shipped from the factory. The Hewlett-Packard Company further
certifies that its calibration measurements are traceable to the U.S. National

Bureau

of

Standards

to

the

extent

facility.

its published specifications when it

allowed

by

the Bureau's calibration

WARRANTY

This Hewlett-Packard
workmanship.
or, in
specified period.
defective
Hewlett-Packard. No
liable

Service
Hewlett-Packard

For
Office.

the

for

any

This

case

of

certain

We

during

consequential

contracts

assistance,

the

products

warranty

or

AND

productiswarranted

applies

major

will

warranty

other

damages.

customer

that

contact

repair

warranty

require

your

components

or

period

assistance agreements

nearest

ASSISTANCE

against

for

one

year

replace

provided

is

expressedorimplied.

maintenance

Hewlett-Packard Sales

defectsinmaterials

from

listedinthe

products

and

the

dateofdelivery,

manual, for

which

they

are

are

repair on-site.

prove
returned

We

are

available

and

Service

to

and

the

be

to

not

for

HEWLETT

i:fi

PACKARD

OPERATING

AND

116658

MODULATOR

SERIAL NUMBERS

For

important

bers, see INSTRUMENTS

ALinSection

U

information

1.

SERVICE

concerning
COVERED

MANUAL

serial num-

BY MAN-

MANUAL
Microfiche,

PART

Part

NO.

No.

11665-90012

Copyright

1501

11665-90011

PAGE

HEWLETT·PACKARD

MILL

ROAD,

PALO

COMPANY

ALTO,

CALIFORNIA,

1973

U.S.A.

Printed:

JULY

1973

TableofContents

CONTENTS

Model

11665B

Section

I GENERAL INFORMATION

Introduction 1-1

1-1.

Instruments Covered by Manual . 1-1

1-5.

Description 1-1

1-9.
1-11.

Options.

but

not

1-13. Equipment Required
1-15. Swept Amplitude Analyzer 1-2 Model 8755A .
1-17.
1-19.
1-21.
1-23.
1-25. Recommended Test

INSTALLATION

II

2-1.
2-3.
2-5.

2-6.
2-8.
2-10.
2-12.
2-16. Storage and
2-17.
2-19.

Oscilloscope
Directional Couplers 1-4 4-14. Performance Tests
Detector 1-4
Sweep Oscillator .

Equipment

Introduction 2-1
Initial Inspection .
Preparation for Use 2-1

Selecting RF
Using APC-7 RF Connectors 2-1
Mating Connectors
Operating Environment 2-2

Environment 2-2
Packaging

Input

Shipment

Supplied.

Connector

Page

1-1

1-2

1-2 4-12. Insertion Loss Measured with

1-4

1-4
1-4

2-1

2-1

2-1

2-1

2-2

2-2

Section

UseofaDCCurrent-Limited

4-7.

Power Supply in Place
Modulation Source 4-1

4-11. Return Loss

Model 8755A . 4-2

4-13. Modulator Drive

Using the Model 8755A

4-16.

Return

without

4-17. Insertion Loss Measured

without

V ADJUSTMENTS .

VI REPLACEABLE PARTS

Introduction

6-1.

Abbreviations .

6-3.

Replaceable Parts List

6-5.

Ordering Instructions

6-7.

VII MANUAL CHANGES·

Introduction

7-1.

of

a

Measured with

Feedthru

without

Loss Measured

Model 8755A 4-4

Model 8755A

.

Page

4-2
4-2

4-3

4-4

5-1

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

7-1
7-1

OPERATION.

III

Introduction

3-1.

Features

3-3.

Operator's Check With

3-5.

Operating Instructions .

3-7.

Operator's Check Using

3-9.

Other than 8755A

PERFORMANCE TESTS

IV

Introduction

4-1.

Equipment Required

4-3.

Test Record

4-5.

8755A

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

3-1

4-1 in APC-7 Connectors
4-1 8-16.
4-1 8-19. Troubleshooting Procedures
4-1 8-22. Principles

VIII SERVICE

Introduction

8-1.

Principles

8-3.

Troubleshooting

8-5.

Recommended Test Equipment

8-7.

Repair

8-9.
8-11.
8-14.

BNC

of

Operation .

Connector Replacement
Replacing Center

Connector Replacement.

of

Operation .

Conductor

8-1
8-1
8-1
8-1
8-1
8-1
8-1

Contact

8-2
8-2
8-3
8-4

ii

Model

11665B

TableofContents

ILLUSTRATIONS

Figure
1-1.

, Model 11665B Equipment Supplied

UseofAPC-7

2-1.
3-1. Model 11665B Modulator
3-2. Model 8755A Typical Measurement Setup
3-3. Operator's Check Using Other Than 8755A

Table
1-1.

Specifications.
1-2. Supplemental Characteristics .
1-3. Recommended Test Equipment
4-1. Performance Record

Connectors.

. . . . .

. . .

Features.

Page

1-1
2-1

3-1

3-2

3-2

TABLES

Page

1-2
1-3
1-4
4-5

Figure

of

3-4. Typical Waveform
4-1. Modulator Drive Feedthru Test Setup
6-1. RF Connectors Replaceable Parts
8-1. Model 11665B Connectors

8-2. Model 11665B Modulator Schematic

Table
6-1. Reference Designators and

Abbreviations.

6-2. Replaceable Parts List . .

of

6-3. Code List

Manufacturers

Modulation

.

Page

3-3
4-3

6-4

8-2
8-4

Page

6-1
6-2

6-3

iii

Model

11665B

General

Information

1-1. INTRODUCTION

1-2. This
information
Modulator.

manual

for

the

The

contains

Hewlett-Packard

Model

11665Bisshown

1-1.

1-3.

On

the

front

coverofthis
manual
ber. This
microfilm
fiche
Changes
Notes.

1-4.
1-1. These specifications are
or
tested.
Supplemental
but
tional

part

number

transparenciesofthe

package

supplement

Instrument

limits

against

Table 1-2 lists

are

typical

information

number,

characteristics are

is a

may

be

also includes

as well as all

specifications are listedinTable

which

supplemental

characteristics

for

the

G,ENERAL

operating

Model

manual,

"Microfiche"

usedtoorder

manual.
the

latest

pertinent

performance

the

instrument

characteristics.

not

included

user.

SECTION

and

service

11665B

in Figure

below

part

The

specifications

the

num-

4x6-inch

micro-

Manual

Service

standards

may

be

as addi-

I

INFORMATION

included
factured
changes
manual
yellow
"change
ences.

1-7.
mental
in

the
accurate
that
Changes
manualiskeyed
part
page.
available

1-8.
not
contact

with

after

which

for

this

Manual Changes

information"

In

additiontochange

contains

manual.

as possible,

you

periodically

supplement.

number,

Complimentary

from

For

information

listed

your

in

nearest

the

manual.

the

printingofthis

do

not

instrument

information

To

keep

Hewlett-Packard

to

this

both

of

copiesofthe

Hewlett-Packard.

the

Manual Changes

Hewlett-Packard

An

appearinthe

supplement

that

documents

information,

this

manualascurrent

request
The

manual's

which

concerning

instrument

manual

manual.

is

supplied

that

for

correcting

recommends

the

latest

supplement

print

appear

supplement

a serial

supplement,

office.

may

the

the

on

manu-

have

The

with

contains

differ-

supple-

errors

and

Manual

for

this

date

and

the

title

number

a

are

1-5. INSTRUMENTS COVERED BY

1-6. This
unless a

manual

yellow

applies

Manual Changes

directlytoall

MANUAL

instruments

supplement

1-9. DESCRIPTION

1-10.

is

for

The

square

Model

wave

11665B

modulationoffrequencies

Modulator

is designed

between

Figure 1-1.

Model

11665B

Equipment

Supplied

1-1

General

15
100

Information

MHz

and18GHz.

kHz

may

non-reflective

limits.

1-11. OPTIONS

1-12.

The

following

the

Model

11665B.

Option

011
013
021
022
023

50

Modulation

be

used.

ohm

load

connectors

frequenciesupto

The

Modulator

when

used

are available

Input

N-Jack
N-Jack APC-7
N-Plug N-Jack
N-Plug N-Plug
N-Plug APC-7

within

Output

N-Jack

is a

these

for

imately
tion
filter HP Model
the

OUT

with
the

If

modulation
imately

100

feedthrough

Model

port

and

2.

If

the

Model

Model

.the

8755A

Modulator

50

MHz,

11668A

11668A

the

the

Model

8755A

source

rnA

of

or

at

may

beaproblem,

between

test

setup.

11665B

Swept

furnishes

is used .alone, a squarewave

which

current
negative voltage polarities
the

squarewave
11665B
this

DRIVE

manual
requirements

modulation

for

further

of

port.

the

Refer

information

source.

Model

~

time

where

shouldbeused.

the

Model

Modulatorisused

Amplitude

the

modulation

can

furnish

in

both

positive

must

be

used.

source

to

to

paragraph 4-8 in

concerning

squarewave

modulation

11665B

modula-

a high-pass

Connect

11665B

Analyzer,

signal.

approx-

and

Connect

tne

Model

the

1-13; EQUIPMENT REQUIRED BUT

PLIED

To

use

the

1-14.

Model

11665B,

equipmentisrequired:

1.

If

the

11665Bisto

devices which amplify frequencies

be

usedtotest

below

FREQUENCY

Range:15MHzto18 GHz.

IMPEDANCE

Mainline
Return Loss:

NOTE: APC·7 connectors typically have

Input

and

Output

(ON

to

.015
.04
4
8to18

.04 GHz:~10dB(,,;;

to

4 GHz:

to

8 GHz: ~ 12dB(,,;;

GHz:

return loss from

or OFF Condition)

~

~

Impedance:

15 dB

8dB(,,;;

12A

1.92 SWR)

(,,;;

1.43 SWR)

1.67 SWR) '

2.32 SWR)

to18GHz.

TRANSMISSION

Insertion Loss:
Frequency (GHz)

.015

to

.04

.04

to

4

4to8

8

to

12A

12A

to

18

ON

Condition

,,;;

7.0

,,;;

3.2 dB
,,;;
,,;;

4.3
,,;;

5.0

dB

3.8 dB
dB
dB

OFF

1-15.

NOT

SUP-

1-16.
lyzer

the

following

11665B

-50
over a

active

approx-

Model
Oscilloscopes.

Table 1-1. Specifications

SPECIFICATIONS

50Q

nominal.

..

~

10 dB

Condition

~35dB

~35dB

~40dB

~45dB

~45dB

SWEPT

The

with

to

frequency

8755A

AMPLITUDE

Model

three

Modulator

+10

dBm

plugs

8755A

11664A

measures

and

amplitude

rangeof15

into

ANALYZER

Swept

Detectors

amplitude

MHzto18

the

Model 180-series

Amplitude

and

ratiosof60

POWER

Modulator Drive Feedthru:

27.8 kHz from either input or
RF

Maximum

Input: +24 dBm.

*,,;;

8 mV (peak) at

output

ports.

GENERAL

Connectors: Standard, N.Jack InputjN-Plug

Output

N.Jack
APC-7
N.Jack
N.Plug
APC·7

NOTE:

Weight:

Option

011
013
021
022
023

"Jack"
fixed threads; "plug" male connector has
coupling nut.

Net,6

identifies the female connector with

oz. (0,17).

Input
N.Jack
N.Jack

N·Plug

N.Plug

N.Plug

the

Model

levels

GHz.

Output

Ana-

of

dB

The

1-2

*

When

Model

11665B

Modulatorisdriven

fromaModel

8755A

Model1l665B

Table 1-2. Supplemental Characteristics

FREQUENCY

General

Information

Harmonic Generation: Above 1 GHz,

1 GHz,

Drive Current:

typically

Nominally

30

dB

below

+50

IMPEDANCE

input

rnAinON

~

/ \

dB

4

z

a

I-

Cl

8

Z .01 .02 .04

a

u

z

a

10

dB

15

20

25

30

/

/

/

\

""-

r-........

.01 .02 .04

typically

powerof+10

condition,

INSERTION

I----

.10

.20.50

Frequency

RETURN

.08.10

.20 .40

INSERTION

40

LIMITS

TYPI

dB

dBm.

-50

LOSS.

TYPICAL

LIMITS

IGHz)

LOSS

CAL

.80

LOSS

below

input

rnAinOFF

~'"

V

1.0 2.0 4.0

.-

-

1.0

2.0 4.0 8.0

powerof+10

condition.

......-

""""

'---

-

8.012.018.0

f--

-

,.......-

/

/

12.018.0

dBm.

Below

I

10

20

dB

30

40

z

50

a

00

I-

.01

Cl

Z

a

u

u.

u.

a

10

dB

15

20

25

30

.01 .02 .04

--..

r---...

-

8.0 12.0 18.0

.08.10

.04.02

.20 .40

RETURN

LOSS

.80

1.0

\

\

---...

f---./

-

.08.10

L1~ITS

TYPI

.20 .40

..I--

CAL

.801.0

4.02.0

f--

f--

I-----

./

2.0 4.0 8.0 12.018.0

V

fJ

1-3

General

1-17.

1-18.

lyzer

Oscilloscope.

indicator

1-19. Directional Couplers

1-20.
nals,
Model

or
dual
frequency
frequency

1-21. Detector

1-22.
when

Information

Osci

The
must

and

To

directional

8755A.

two

single

directional

Three

using

lIoscope

Model

be

The

8755A

plugged

Model

power

separate

the

couplers

Either

directional

coupler

of

the

measurementislimited

rangeofthe

Model
the

11664A

Model

supply

incident

one

directional

Swept

into

a Model 180-series

180

acts

for

the

are usually

dual

directional
couplers
can

be

Detectors

8755A

Amplitude

as a display

Model

and

reflected

used

connected

used.

coupler.

Swept

Ana-

8755A.

sig-

with

the

coupler

as a

The

sweep

by

the

are

needed

Amplitude

Analyzer.

kHz

1-23. Sweep Oscillator

1-24.

RF

input

or

Model 8690-series Sweep Oscillators

These

modulation

Sweep

Oscillators are

signal.

detectors

signal

from

Either

demodulate

the

neededtofurnish

the

HP Model 8620-series

used.

1-25.

1-26.
This
troubleshooting
ment
cations
under

RECOMMENDED

Table

1-3 lists

equipment

may

be

equal

recommended

is usedinperformance

the

Model

substituted,

or

exceed

Critical Specifications.

TEST

EQUIPMENT

11665B.

provided

the

specifications given

Model

RF

test

Other

11665B

the

Input

signal.

may

equipment.

testing,

equip-

its

specifi-

28.7

the

be

and

Table 1-3.

Instrument Critical

Specifications

Sweep

Type

Oscillator

Frequency:
Modulation:

quency

compatible

Meter.

Swept

Amplitude

Analyzer

Provides

signal.

Powers
Processes

27.8

three

and

detected

BNC

Tee

2 female BNC, 1 male BNC

connectors.

Modulator

Frequency:

Modulation:

Recommended

100

MHzto18

Test

Equipment(1of

GHz HP Model

squarewave, fre- HP Model

with

SWR

86330A+86320A
86341B
86342A
86350A

HP Model

86260A

kHz

modulation

11664A

displays

Detectors.

the

HP

signals.

HP

(UG-274AjU)

100

MHzto18

27.8

kHz

GHz

HP

Suggested

(3.2to6.5
(5.9to9 GHz)
(8.0to12.4

(12.4to18

8755A

Part

No.

11665B

8620

mainframe

8621A

8620

mainframe

1250-0781

2)

Model

with

and:

(0.1to4.2 GHz)

GHz)

GHz)

with:

GHz)

Use*

P,T

P,T

P,T

P,T

Dual

Low-Pass

1-4

Directional

Filter

Frequency:

100
Coupling:20dB
Directivity:

Frequency:

;;;;.40dB

Reduces

monicoffrequency
interest;;;;.50dB

MHzto18

2nd

band

GHz

HP
HP

har- HP

of

HP
HP
HP

778D

(110

MHzto2 GHz)

11692D(2to18GHz)

360A

(700

MHz

cutoff)

360B

(1.2

GHz

cutoff)

360C

(2.2

GHz

cutoff)

360D

(4.1 GHz

cutoff)

P,T

P,T

Model

11665B

General

Information

Instrument,

Type

Detectors

Oscilloscope

DC

Current-

Limited

Power

Supply

Audio

Oscillator

Open-End

Wrench

(3)

Table 1-3.

,

Frequency:

Vertical

Voltage:
Current:

50

milliamperes

Frequency:to27.8
Output:to15

Thin

1/2x9/16-inch

Recommended

,

Critical

Specifications

100

MHzto18

Bandwidth:~250

adjustable
canbelimited

to±15V

to

kHz

Vrms

wrench

GHz

kHz

Test

Equipment(2of

HP

11664A

HP

182A/1801A/1820C

HP

721A

HP

200A/B

HP

Part

2)

Suggested Model Use*

P,T

P,T

P,T

T

No.

8710-0877

Chng.

Conn.

*P =

Performance

Testing,

T =

Troubleshooting

1-5/1-6

Model 11665B

Installation

2-1.

INTRODUCTION

2-2. This
initial
connectors,

2-3.

2-4.
terial
contents
completeness
mechanically
shipment
Procedures
given
or

defect,
electrical
well as
shipping
HP
without

inspection,

INITIAL

If

the

is

in

Section

materials

office

waiting

section

damaged,
of

should

orifthe

performance

the

will arrange

contains

preparation

storage,

shipping

the

and
and

for

and

INSPECTION

it

shipment

the
electrically.

be

checking

IV.Ifthereismechanical

Hewlett-Packard

for

for

claim

information

shipment.

container

should

have

instrument

as

shown

electrical

instrument

test,

notify

the

carrier's

for

repair

settlement.

for

use,

of

cushioning

be

kept

been

checked

has

been

The

contentsofthe
in

Figure 1-1.

performance

does

not

the

office.

inspection.

or

replacement

SECTION

INSTALLATION

2-5. PREPARATION FOR

concerning

mating

ma-

until

the

for

checked

are

damage

pass

the

carrier as

Keep

the

The

2-6. Selecting RF

2-7.
conductor
changing
done
wrench.
manual,

2-8. Using APC-7 RF Connectors

2-9.
nectors.
attemptingtouse APC-7

2-10. Mating Connectors

2-11.
nectors
TypeNconnectors

II

The

RF

assembly

the

by

the

Refer

paragraph

Figure

Read

Connectors

on

Connector

type

operator

2-1

the

the

instrument

USE

Input

Connector

outer

may

be

replaced,

of

RF

connector.

using a

to

the

Service

8-13,

for

details.

shows

instructionsofthis

which

connectors.

whose

the

use

mate

with

are

the

dimensions

shell

and

thereby

This

can

thin

open-end

section

of

corresponding

of

APC-7 con-

figure

Type

N con-

conform

inner

be

this

before

to

To Connect:

1.

On

one
sleevebyturning
clockwise

2.

On

the

other
coupling
clockwise.
coupling
tracted,
turningitclockwise.

3.

Push
thread
with
sleeve

Do

4.
since
connection.

sleeve

press

the

the

retracted

NOT

this

connector,

the

until

the

connector,

by

To

engage

nut

when

back

connectors

coupling

sleeve

tighten

will

tend

retract
coupling

sleeve

turning

coupling

the

lightlyonthe

firmly

nut

over

the

other

to

loosen

the

and

nut

fully

the

sleeve is fully re-

together,

of

the

the

coupling

Figure 2-1.

coupling

nut

counter-

disengage.

extend

coupling

sleeve

nut

connector

extended

the

electrical

To Disconnect:

1.

Loosen
showing

the
nut
and

while

and

nut

2.

IMPORTANT:
fullytoprevent
contact.

UseofAPC-7 Connectors

the

the

coupling
wider

gold

Part

striking

nut

band.

the

the

of

the

connector

connectors

inner

conduct(

car~

r

2-1

Installation

Model1l665B

US military specification MIL-C-39012. Con­nectors
another

2-12. Operating Environment

2-13. Temperature.

atedintemperatures

2-14. Humidity.

in
ever,
temperature
within

2-15. Altitude.

altitudesupto

2-16. STORAGE

2-17. Environment

which

APC-7

Frequency
dB/lOoC

from

temperature

environments

the

instrument

extremes

the

instrument.

mate

with

connector.

The

from

NOTE

response

20°

goes

up.

The

instrument

with

humidity

should

The

instrument

25,000

feet.

AND

APC-7

instrument

-25°C

drops

to

55°C

up

alsobeprotected

which

cause

maybeoperated

SHIPMENT

connectors

may

to

+55°C.

off

as

operating

may

be

to

95%. How-

condensation

are

be

oper-

0.03

operated

from

at

The

instrument
temperature
within

2-19.
2-20. Original

identical
available

the

instrument.

Packaging

to

through
instrument
for

servicing,

service

and

required,

full serial
FRAGILE
correspondence,
number

2-21. Other

structions

and

should

commercially

a. Wrap

should

extremes

Packaging.

those

used

Hewlett-Packard offices.Ifthe

is being

returned.

attachatag

return

number.

to

assure careful handling. In

refertothe

full serial

Packaging.

be

available materials:

the

instrument
plastic.Ifshippingtoa
service
service
and

wall

center,

required,

full serial

b.

Use a

carton

attachatag

return

number.

strong

made

of

shipping

adequate.

also be

which

cause

Containers

in

factory

to

indicating

address,

Also,

mark

instrument

number.

The

following general in-

used

for

re-packaging

in

Hewlett-Packard

indicating

address,

container.Adouble-

350-pound

protected

from

condensation

and

materials

packaging

are

Hewlett-Packard

the

type

of

model

the

number,

container

any

by

model

with

heavy

model

test

paper

office

the

type

number,

material

or
or
of

is

2-18.

The

instrument

environments

Temperature:
Humidity:
Altitude:

within

maybestoredorshipped

the

following limits:

. .

O°Cto+75°C

....

Upto95%

Upto25,000

in

feet

to

4-inch

to

provide

inside

c. Use

layer)

the

container.

d.

Seal

enough

around

firm

the

shock-absorbing

all sidesofthe

cushion

shipping

and

container

prevent

securely.

material

instrument

movement

(3-

2-2

Model

11665B

Operation

3-1. INTRODUCTION

3-2. This
operationofthe

section

contains

Model

instructions

11665B

concerning

Detector.

3-3. FEATURES

3-4.

Features

Figure 3-1.

of

the

Model

11665B

are

3-5. OPERATOR'S CHECK WITH 8755A

3-6.

An
cluded
8755A
for

the

An

additional

given in

Operator's

in

the

given in

Model

check,

paragraph

Check

Operator's

the

Operating

8755A

Swept

not

3-9.

of

Check

Amplitude

using

the

11665B

for

the

and

Service Manual

the

Model

3-7. OPERATING INSTRUCTIONS

3-8.
ating
Swept
using

Operating

and

Amplitude

the

Model

instructions

Service Manual

Analyzer. A

8755AisshowninFigure 3-2:

are giveninthe

for

the

typical

Model

SECTION
OPERATION

shown

Analyzer.

8755A

test

IS

In-

Model

Oper-

8755A

setup

in

is

III

Do

not

apply
Powerormore
into

the

11664A.Ifmore

or

voltage is

damaged.

3-9.

OPERATOR'S CHECK USING OTHER

THAN 8755A

3-10.

If

a

Hewlett-Packard
Amplitude
Model
testedinits
particularly
under
tional
crystal
the

output
load.
than
Connect
crystal

Analyzerisnot

11665B

normal

useful because
actual
equipment-needed

detector.

of

Use

an

the

rated

the

detector.

more

than±10

applied,

Modulator,

operating

operating

Connect

the

setup

attenuator

input

oscilloscope

See Figure 3-3

than

+15

voltsdcvoltage

than

the

11664A

Model

available

the

Modulator

setup.

it

tests

conditions.

is

an

oscilloscope

the

crystal

in

place

if

the

of

the

to

the

foratypical

dBm

this

8755A

for

The

of

output

crystal

output

power

may

testing

This

the

only

detector

the

is

detector.

RF

be

Swept

the

may

be

check

11665B

addi-

and

normal

greater

of

the

setup.

is

a

to

o

RF

is

•

Modulation
nector
signal

Input

applied

(upto100

Connector.

to

Connector.

which

this

will

kHz).

The

connector

A BNC

accept

Figure 3-1.

RF

the

input

signal

type

con-

modulating

Model

11665B

•

RF
signal

Output

appears

Connector.

at

this

The

connector.

NOTE

TypeNconnectors
have

dimensions

giveninUS specifications MIL-C-39012A.

usedonthe

which

conformtothose

Modulator Features

modulated

11665B

RF

3-1

Operation

Model1l665B

Look

Figure 3-4 shows a
from
vary
of
and

volts are

normal
the

at

one

complete

the

sinewave

from

this

waveform

modulation

used.

diode-biasing voltage

normal.

foraparticular

cycle

typical

waveform

modulation.

depending

The

rounded

"wiggle"

The

exact

application

application.

HP

8620OR8690

SWEEP

OSCI

LLATOR

tI:-··

..

·n:·~

..

·:'tFrF::::~:~:::;:~:JC;:1

o t ! t 0

OO~

c:::»O

= INPUT

SWEEP

OUT OUTPUT

~

•

c::30 0

RF

LOW-PASS

FILTER

Z-AXIS

on

the

The

waveform

HP

11665A/B

MODULATOR

'-r..------'

IN

DRIVE

oscilloscope.

which

waveform

upon

the

risetime

around

which

will vary

OUT

results

may

type

curve

zero

with

is

~,~

DUALDIRECTI

U U

It

is

recommended
performed
thatanormal

be

noted.

envelope

The

will vary
application,
cover

all

applications

HP

11664A

DETECTOR

ONAL

COUPLER

on

the

modulation

permissible

so

no

DEVICE

UNDER

TEST

NOTE

that

Modulator

with

description

can.begiven

HP

SWEPT

Z-AXIS

INPUT

OSCI

OJ

HP

11664A

DETECTOR

8

this

test

initially so

envelope

variationinthe

the

particular

which

here.

8755A/182A

AMPLITUDE

ANALYZER!"

LLOSCOPE

EXT

~DI~D

aOOD

DODD

a

aoa

0 (aooa

Q

8

A JR

MODULATIDN
DRIVE

27.8 KHz

be

will

will

3-2

AUDIO

OSCILLATOR

Figure 3-2. Model

SWE~2SCILLATOR

'q

...

,"""

....

".,,':.)

'O~690

aGC'

E:::I

CfOO

0

0

E:::IOO

RF

OUTPUT

l00MHz

TO18GHz

8755A

HP

,UNDER

IN OUT

DRIVE

Typical Measurement

11665B

TEST

Figure 3-3. Operator's Check Using

MODULATOR

Other

Than

Setup

CRYSTAL
DETECTOR

8755A

Model

11665B

Figure 3-4. Typical WaveformofModulation

Operation/Performance

Tests

PERFORMANCE

4-1. INTRODUCTION

4-2.

The

proceduresinthis
ment's
tionsofTable
simpler
under

electrical

operational

Operator's

performance

1-1 as

the

testisincludedinSection

Check.

4-3. EQUIPMENT REQUIRED

4-4.

Equipment
is listed
tableinSectionI.Any
critical specifications given
substituted

in

required

the

Recommended

for

the

recommended

4-5. TEST RECORD

4-6. Results
tabulated
procedures.
specifications
results
for
troubleshooting

4-7.

recordedatincoming

comparison

USE

of

the

on

the

The

Test

and

and

OFADC

Test

Record

their

in

after

CURRENT-LIMITED
SUPPLY IN PLACE OF A MODULATION
SOURCE

4-8.

Some

DC

Current-Limited
modulation
specifications
condition
11665B

of

the

following

Power

signal. This is necessary

in

of

either

which

the

call

11665B.

the

section

using

performance

for

the

performance

equipment

in

the

performance

Recordatthe

lists allofthe

acceptable

inspection

periodic

repairs.

for

ON

maintenance

tests

Supply

either

In

order

or

OFF

test

the

standards.

Test

that

table

model.

tests

limits.

call

in

when

the

to

condition

SECTION

the

instru-

specifica-

III

tests

Equipment

satisfies

end

canbeused

for

place

ONorOFF

may

may

of

tested

Test

and

POWER

using a

of

testing

hold

the

be

be

the

the

50

IV

TESTS

milliamperes
positive voltage is
ON;ifnegative voltageissupplied,

be

OFF.

A

a

protected

safe

current
However, less
the

11665B

Always
voltage slowly.
voltage
11665B
shoot
and

4-9.

To
Limited
limit

to

crease

4-10.
used, a
used.
resistor is

the

Always
voltage slowly.
voltage
11665B
shoot
and

If

Fora10

of

current

supplied,

In

either

against

either

supply

if

off.

supply

Supply

approximately

voltage slowly.

supply

if

off.

a

non-current

current

adequate.

condition

too

is

approximately

than

ONorOFF

on

and

may

result

the

supplyismerely

these

may

on

and

may

result

the

supplyismerely

limiting

volt

supply,

must

much

25

milliamperes will

power

Do

not

off. Damage

from

voltages a DC Current-

be

used.

55

power

Do

not

off.

from

limited

series resistor

a series

be

the

11665B

the

the

11665B

current.

by

milliamperes

by

Damage·

The

100

adequately.

increasing

just

switch

voltage over-

turned

Set

the

increasing

just

switch

voltage over-

turned

supply

180

supplied.

11665B

milliamperes.

to

over-current

to

ohm1watt

will

be

will

must

be

maximum

not

turn

the
the
the

on

and

in-

the
the
the

on

must

should

be
be

3-3/4-1

If

Performance

Tests

PERFORMANCE TESTS

Model

11665B

4-11. RETURN

LOSS

SPECIFICATION:

Return

(Model

0.1
4
8

Loss
8755A

to

4 GHz:

to

8 GHz:

to18GHz:

(ONorOFF

will
;;;"15

;;;"12

;;;"8

DESCRIPTION:

This

test

will

not

and

Service Manual

or

off

while being

Refertothe

Operating

4-12. INSERTION

SPECIFICATION:

Insertion

Loss:

MEASURED WITH MODEL

Condition)

test

dB

dB

(~1.67

dB

(~2.32

be

shown
for
tested.

LOSS

onlyto0.1

(~1.43

here

the

8755A.

Refer

and

Service Manual

MEASURED WITH MODEL 8755A

SWR)
SWR)
SWR)

GHz)

since

In

this

to

paragraphs 4-7

8755A

it

is a

case

for

standard

the

the

device

through

8755A

return

under

for

loss (reflection)

testisan

11665B,

4-10inthis

testing

information.

test

manual

showninthe

which

mustbebiased

for

biasing instructions.

Operating

on

Frequency (GHz)

(Model

test

only

0.1

4

8

8755A

to

to

to 0.1 GHz)

to

4

8

12.4

12.4to18

DESCRIPTION:

This

test

will

not

Operating

be

biased

instructions.

and

Service Manual

onoroff

Refertothe

4-13. MODULATOR

SPECIFICATION:

~

8 mV

peakat27.8

will

be

shown

while being

Operating

DRIVE

kHz

from

here

sinceitis a

for

the

8755A.

tested.

Refer

and

Service Manual

FEEDTHRU *

either

inputoroutput

ON

Condition

~

3.2

~

3.8

~

4.3

~

5.0

standard

In

this

to

paragraphs 4-7

connector.

dB

dB

dB
dB

case

for

insertion

the

device

the

8755A

OF

loss (transmission)

under

through

for

testisan

4-10inthis

testing

information.

F Condition

;;;.,35dB
;;;.,40dB
;;;.,45dB
;;;.,

45dB

test

showninthe

11665B,

manual

which

for

must

biasing

*

4-2

When

modulatedbya

Model

8755A.

Model

11665B

PERFORMANCE TESTS

4-13. MODULATOR DRIVE FEEDTHRU (Cont'd)

DESCRIPTIbN:

The

11665Bisconnectedtothe

OUT

connectors.

Model

8755A

and

the

feedthru

voltage is

measured

Performance

on

both

the

IN

Tests

and

EQUIPMENT:

PROCEDURE:

,---------------,

,

~__

HP

_

MODULATOR

11665B

Figure 4-1. Modulation Drive Feedthru Test

Modulator

Swept

Amplitude

Oscilloscope

Tee

BNC

OUT

Analyzer

OSCI

-1]0

: 0

: °

(,

° ° o@o

@ 0

@@_2:

00

VERT

INPUT

I

I

27.8 KHz

MODULATION

Oscilloscope

LLOSCOPE

0

_

SYNC

-----------E1IBNCTEE

SIGNAL

.

(1802isused

HP

Part

Setup

· HP

· . .

..

· HP

182Aj1802Aj1820C

with

No.

1250-0781

SWEPT

AMPLITUDE

ANALYZER

DODODcaDC

aD

co I DODa

o

000

HP

3755Aj180'

inputs

cascaded)

(UG-274A/U)

MODULATOR
DRIVE

11665B

1.

Connect
of
inputisto

2. Measure

3.

Connect

4. Measure

the

the

equipmentasshowninFigure

11665B

the

the

the

under

CHANNEL

peak

test.

A).

voltageofthe

Oscilloscopetothe

peak

voltageofthe

Set

1802A

27.8

kHz signal.

opposite

27.8

kHz signal.

for

maximum

11665A

4-1

with

the
cascaded

This

voltage

connector

This

voltage

Oscilloscope

gain (DISPLAY B, SYNC

should

(IN

connector).

should

4-14. PERFORMANCE TESTS WITHOUT USING THE MODEL 8755A

4-15.

8755A

specified

The

Swept

following

Amplitude

only

when

tests

will

Analyzer.

drivenbythe

test

8755A.

the

Note

Model

that

11665B

thereisno

Modulator

test

performance

for

Modulation

connectedtothe

be~8 mV.

be~8 mV.

without

Drive

OUT

terminal

SOURCEAif

using

the

Model

Feedthru,asthis

is

4-3

Performance

Tests

PERFORMANCE TESTS

Model

11665B

4-16. RETURN

SPECIFICATION:

Return

.015to.04 GHz:
.04to0.11 GHz:
(Model

DESCRIPTION:

This
and
or
Refertothe

4-17. INSERTION

SPECIFICATION:

Insertion

Loss

8407

test

will

Service Manual

off

while being

Loss:

Frequency (GHz)

(Model

test

LOSS

(ONorOFF

A will

not

Operating

8407A

only

to 0.11 GHz)

MEASURED WITHOUT MODEL 8755A

Condition)

;;;;.10dB«1.92
;;;;.15dB«1.43

test

onlyto0.11

be

shown

for

the

8407A.In

tested.

LOSS

Refer

and

Service Manual

MEASURED

will

here

SWR)
SWR)

GHz)

sinceitis a

this

case

to

paragraphs 4-7

for

WITHOUT

standard

the

device

the

8407Afor

MODEL 8755A

ON

Condition

return

under

through

loss (reflection)

testisan

4-10 in

testing

11665B,

this

information.

test

manual

showninthe

which

OF

must

for

biasing instructions.

F Condition

Operating

be biased

on

.015to.04
.04to0.11

DESCRIPTION:

This

test

will

Operating
be biased
instructions.

and
on

or

Refertothe

not

be

shown

Service Manual

off

while being

Operating

here

for

the

tested.

< 7.0 dB

< 3.2 dB

sinceitis a

8407A.In

Refertoparagraphs 4-7

and

Service Manual

standard

this case

insertion-loss (transmission)

the

for

device

the

8407Afor

under

through

testisan

4-10inthis

testing

;;;;.35dB
;;;;.35dB

test

11665B,

manual

information.

showninthe

which

for

must

biasing

4-4

Model

11665B

Performance

Tests

Hewlett-Packard
Model

11665B
Modulator
Serial No.

Paragraph

Number

4-11.

Return

Model

4-12. Insertion

with Model

Table 4-1. Performance

Test Min.

Loss

Measured with

8755A

(.015to.04

to

(.04

to

8 GHz)

(4

to18GHz)

(8

Loss

ON

CONDITION

GHz)

4 GHz)

Measurement

8755A

(.015to.04 GHz)
(.04to4 GHz)
(4to8 GHz)

to

12.4

(8
(12.4to18

GHz)

GHz)

Tested

Date

Record

by

;;;.10dB
;;;.15dB
;;;.12dB

;;;.

8 dB

Actual Max.

~

7.0 dB

~

3.2

c.B

~

3.8

dB

~

4.3

dB

~

5.0 dB

4-13.

4-16.

4-17.

OFF

CONDITION

(0.1to2 GHz)

to

8 GHz)

(2

(8to

18

GHz)

Modulator Drive Frequency

Loss

Return
without Model

(.015to.04
(.04
(4
(8

Insertion

withouth

ON

(.015to.04

Measured

8755A

to

4 GHz)

to

8 GHz)

to

18

GHz)

Loss

Measurement

8755A

CONDITION

GHz)

GHz)

(.04to4 GHz)

to

8 GHz)

(4

to

12.4

(8
(12.4to18

OFF

GHz)

GHz)

CONDITION

(.015to4 GHz) .

to

8 GHz)

(4

to18GHz)

(8

;;;.35dB
;;;.40dB
;;;.

45dB

;;;.10dB
;;;.15dB
;;;.12dB

;;;.

8 dB

;;;.35dB
;;;.40dB
;;;.45dB

~

~

~

~

~

~

8

mV

7.0 dB

3.2

dB

3.8

dB

4.3

dB

5.0 dB

r

peak

4-5/4-6

Adjustments

/Replaceable

Parts

Model

11665B

5-1.

The

Hewlett-Packard Model

6-1.

INTRODUCTION

6-2. This

section

contains

information

11665B

parts. Table 6-1 lists abbreviations.

all replaceable

Other
able

parts

due

assembly. Table 6-3

dresses

that
numbers.
cation
the
are
Part

drawing for
fixed
cemented

No.

partsinreference

are

not

considered

to

the

special

correspondtothe

fixtures

contains

the

manufacturer's

Figure 6-1isa replaceable

the

RF

Connectors.

partsofthe

together

center

with

conductor

"Loctite"

0470-0013.

designation
customer

SECTION

ADJUSTMENTS

Modulator

hasnoadjustmentsorfactory

SECTION

REPLACEABLE

6-5. REPLACEABLE PARTS LIST

for

ordering

Table

necessary

names

parts

Note

assemblies

cement,

6-2 lists

order.

replace-

for

and

ad-

code

identifi-

that

HP

6-6. Table 6-2 is
organized as follows:

by

five-digit

6-7.

V

VI

PARTS

a. Replaceable

reference

b.

c.

ORDERING

designation.

Typical

code.

Manufacturer

selected

the

listofreplaceable

partsinalpha-numeric

manufacturer

code

of

number

INSTRUCTIONS

components.

parts

and

order

the

part

for

the

in

part.

is

a

6-3. ABBREVIATIONS

6-4. Table 6-1 gives a listofabbreviations

the

parts

manual.

viation

partial
abbreviationinthe
However,

manual,

both

lower

list, schematics

In

some

are given,

or

no

capitals.

in

the

schematics

other

abbreviation

case

and

cases,

one

parts

capital

and

throughout

two

all

This

forms

capital

occurs

of

letters,

because

the

list are always all capitals.

and

other

partsofthe

forms

are used

letters.

Table 6-1. Reference Designators and.Abbreviations

REFERENCE DESIGNATORS

A

C

CONN
F
FXD
G

........

. . . . .

..

assembly

capacitor

connector

farads

fixed

giga=10

CR

J

H
Hz
K . .

9

LOG

. . . . . .

.....

. . .

logarithmic

6-8.
table,

used

in

the

indicate
to

abbre-

and

one

the

6-9.
replaceable

model

description

with

numberofparts
nearest

..

diode

jack

L

P......

ABBREVIATIONS

henries

..

Herta

kilo=1000

taper

M
MEG
MFR
MHz

To

orderapart

quote

quantity

the

nearest

To

order

number,

Hewlett-Packard

..

milli
...
.

manufacturer

mega

listedinthe

the

Hewlett-Packard

required,

Hewlett-Packard

a

part

that

parts

table,

instrument

and

function

required.

office.

inductor

. .

=

meg=10

Hertz

plug

10"t

R

W

N.

P . . . .

RF

IJ.

and

office.

is

include

serial

of

Address

. . .

..

replaceable

part

address

not

listed in

the

number,

the

part,

the

. .

..

......

nano=10-

pico=10-

radio

frequency

micro=10-

parts

number,

the

order

the

instrument

and

and

the

ordertothe

resistor

cable

9

12

6

5-1/6-1

Replaceable

Parts

Table 6-2. Replaceable Parts

Model

116658

Reference

Designation

.I

1

.I

1

HP Part Number

11665-600Q8

1250-0914
1250-0915

5020-3297
1460-052(,
5020-3296
5040-0306

11665-60009

1250-0916
1250-0917

1250-0016

1250-0918
5020-3291

1460-0526

5020-3296
5040-0306

Qty

Description

INPUT CONNECTOR/FEMALE TYPE-N JACKI
/FOR OPTIONS
CONSISTSOFTHE

2

BOOY:RF

2

CONTACT:RF
CONTACT:SLIOING

5

5

SPR

rNG:COMPRESSION

CONDUCTOR:CENTER

5

5

INSULATOR

APPLY
HP

PART
CONTACTORCONTACT
WHEN
SLIDING
CENTER CONDUCTOR.
EASIERBYWRAPPING A

WIRE

INPUT
(FOR OPTI
CONSISTSOFTHE

2

BOOY:RF

2

CONTACT:RF
RING:RF

2

2

NUT:RF
CONTACT: SLID
SPRI NG:COMPRESS ION
CONOUCTOR:CENTER
INSULATOR

PROPERLY

AROUND

011

AND

CONNECTOR

SMALL

NO.

CONT

CONNECTOR(MALE

CONNECTOR

CONNECTOR

CONNECTOR

FOlLOWING PARTS:

CONNECTOR

CARTR

NOTE

AMOUNTOFTYPEA"LOCTITE"
0470-0013

ASSEMBLED

ACT

SKlULOBEIN

THE

CONTACT

ONS

021.

022.I:023.1

FOLLOWING PARTS:

SERIES

CONNECTOR

SERIES

ING

CARTR

013~

lOGE

AOAPT

TO

THREADS

ASSEMBLY.

ALL

ASSEMBLY

PIECEOFFINE

FINGERS.

TYPE-N PLUG)

APC-N

SERIES

N

lOGE

ADAPT

OF

FINGERS
SIOE

CANBEMADE

APC-N

THE

OF

Mfr
Code

2Blt80

02660
02660

2B480
00000

28480
28480

28480

02660
02660
02660

02660

28480

00000

28480

28..80

Mfr

Part Number

11665-60008

131-150
131-149

5020-3291
OBO
5020-3296
501tO-0306

11665-60009

131-1"8
131-147

82-113B-6
131-135

5020-3297
080
5020-3296
501tO-0306

.I

J 2

NOTE

APPLY

SMALL

HP

PART

CONTACTORCONTACT
WHEN
SLIDING
CENTER
EASIERBYWRAPPING A
WIRE

OUT

2

11665-60008

1250-0914
1250-0915
5020-3291
1460-0526

5020-3296
5040-0306

11665-60009

1250-0916
1250-0911

1250-0016

PUTCONNEC

(FOR OPTIONS

CONSISTSOFTHE
BOOY:RF
CONTACT:RF
CONTACT:
SPRI

NG:COMPRESSI

CONDUCTOR:CENTER

INSULATOR

APPLY
HP

PART

CONTACTORCONTACT

WHEN

SLIDING
CENTER
EASIERBYWRAPPING
WIRE

OUTPUT
(FOR OPTION

CONSISTSOFTHE

BOOY:RF

CONTACT:RF

RING:RF

AMOUNTOFTYPEA"LOCTITE"

NO.

0470-0013

PROPERLY

CONTACT

CONDUCTOR.

AROUND

CONNECTOR

CONNECTOR

SLIOI

NOTE

SMALL

NO.

PROPERLY

CONTACT

CONDUCTOR.

AROUND

CONNECTOR(MALE

CONNECTOR

CONNECTOR

CONNECTOR

ASSEMBLY.

ASSEMBLED

SHOULDBEINSIOETHE

ASSEMBLY

THE

TOR/FEMAL
011

NG

AMOUNTOFTYPE A
0410-0013

THE

022.1

PIECEOFFINE

CONTACT

AND

021.1

FOLLOWING

ON

CARTR

ASSEMBLY.

ASSEMBLED

SHOULDBEINSIDE

ASSEMBLY
A PIECEOFFINE

CONTACT

FOlLOWING PARTS:

SFRIES

SERIES

SERIES

TO

THREADS

ALL

FINGERS.

E TYPE-N JACK 1

lOGE

TO

THREAOS

ALL

FINGERS.

TYPE-N PLUG)

APC-N
N

OF

FINGERS

CANBEMADE

PARTS:

ADAPT

"LOCTITE"

OF

FINGERS

THE

CANBEMADE

APC-N

OF

28480

02660
02660
28480
00000

28480
28480

OF

28480

02660
02660

02660

11665-6000B

131-150
131-149
5020-3291
OBO

5020-3296
501tO-0306

11665-60009

131-14B
131-1'01
82-1138-6

See

introductiontothis

section

for

ordering

information

Model

116658

Table 6-2. Replaceable Parts

Replaceable

Parts

Reference
Designation

J 2

(CONT'D)

.

.J

2

HP

Part Number

1250-0918
5020-3297
1460-0526
5070-3796
5040-0306

11665-60010

1250-0909
1250-0816
5020-3297

1460-0526

5020-3796

5040-0306

Qty

Description

NUT:RF

CONNECTOR

CONTACT: SLIOING

SPRING:COMPRESSION

CONDUCTOR:CENTER CARTRIDGE

INSULATOR

NOTE

APPLY

SMALL

HP

PART

CONTACTORCONTACT
WHEN
SLIDING
CENTER

EASIERBYWRAPPINGAPIECEOFFINE

WIRE

OUTPUT
IFOR OPTIONS

CONSI STSOFTHE

1

ASSY:RF

1

CONTACT:RF
CONTACT:

SPRI

NG:

CONDUCTOR:CENTER CARTRIDGE

INSULATOR

AMOUNTOFTYPEA"LOCTITE"

NO.

0470-0013

PROPERLY

AROUND

ASSEMBLED

CONTACT

CONOUCTOR.

CONNECTOR(APC-7)

CONNECTOR

SLiO

COMPRESS

SHOULDBEINSIDE

THE

CONTACT

013.
FOLLOWING

CONNECTOR

INC

ION

NOTE

TO

ASSEMBLY.

ASSEM8LY

023

AND

APC-7

FOR

ADAPT

THREADS

ALL

FINGERS
CANBEMADE

FINGERS.

0331.
PARTS:

TYPE

APC-7

ADAPT

OF

OF

THE

CONNECT

Mfr
Code

02660
28480
00000
28480

28480

28~80

02660
02660
28480

00000
28480

28480

Mfr

Part Number

131-135

5020-3297
OBO
5020-3296
5040-0306

11665-60010

131-1057

131-1054
5020-3297

OBO

5020-3296

5040-0306

P1

00000
02660
28"80

MFR
NO.

U.S.A.
AMPHENDI.
HFWLETT-PACKARD

1250-0532
1"60-1285

08491-2009

7l2~-0656

MANUFACTURFR

r.OMMON

CORP.

CO.

NAME

CORPDRATE

APPLY

SMALL

HP

PART

CONTACTORCONTACT

WHEN
SLIOING

CENTER
EASIERBYWRAPPINGAPIECEOFFINE
WIRE

DRIVECONNECTOR
CONSI STS

1

CONNECT

1 SPRING:COMPRESSION
1 CONTACT:SUDING

DO

NOT

CONNECTORIPll

PARAGRAPH
8E

DAMAGED.

LABEL

AMOUNTOFTYPE A

NO.

0470-0013

PROPERLY

AROUND

ASSEMBLED

CONTACT

CONDUCTOR.

OR:

ATTEMPTTOREMOVE

THE

OF

THE

RF

CAUTION

8-17.

WITHOUT

SHOULDBEINSIDE

CONTACT

FOR

FnLLOWING PARTS:

THE

TO

THREADS

ASSEMBLY.

ALL

ASSEM8LY

FINGERS.

ALL

OPTIONS

0.057"

THE

FIRST

MODULATOR

00

Table 6-3. Manufacturers Code

HO

·LOCTITE.
OF

FINGERS

CANBEMADE

READING

0.190·

DRIVE

MAY

THE

OF

LG

List

ANY

SUPPLIEROFU.S.
BROADVIFW. ILL •
YOUR

NEARESTHPOFFICE

ADDRESS

28480
00000

284BO

28~80

A.

1250-0532

080
08491-2009

712~-0656

ZIP

COOF

60153

,

See

introductiontothis

section

for

ordering

information

Replaceable Parts

- -

.lEi

TYPE

FEMALE

N

JACK

Model

11665B

-1-

Sliding

o

Spring

Center

•

Insulator

•

•PLUS ONE

•

Contact

•

Body

•

Contact

•

Body

• Ring

G)

Nut

Contact
Coupling

41)

•

APC-7

11

EACH

RF

CONNECTOR

Contact

Conductor

OF

THE

FOLLOWING

Type N Female Jack Connector

(Opt.

011,

013,&021)

Type N Male Plug Connector

(Opt.

021,

022,&023)

APC-7 Connector

(Opt.

013&023)

Nut

Assembly

CONSISTS

Consisting

Consisting

Package

Consisting

_~.zy~

~

-L

OF:

PACKAGES

Package

of:

Package

of:

of:

TYPEN

MALE

PLUG

6-4

Figure 6-1.

RF

Connectors Replaceable Parts

Model

11665B

Manual Changes/Service

7-1. INTRODUCTION

7-2. This
for

adapting
the
manual

8-1. INTRODUCTION

8-2. This
repair
section

a.

b.

section

content

does

section

information.

is:

Test

A Service
operation

normally

this

manualtoinstruments

does

not

apply

covering repair

directlytoinstruments

contains

The

Sheet

andaschematic

contains

apply

general

directly.

troubleshooting

organizationofthis

procedures.

containing

SECTION

MANUAL

information

for

Since

SECTION

principles

diagram.

CHANGES

which

this

having

SERVICE

and

of

VII

numbers

serial
information
MENTS
additional
number

COVERED

coverage.

listed

is given here.

important

on

BY

the

title

Refer

MANUALinSectionIfor

information

VIII

8-11. R F Connector Replacement

8-12. Several
(Figure 8-1)
following

standard

may

connectors

Connector

Type

TypeNFemale

HP

RF

be

used

on

are available:

TyPe

N Male Plug

APC-7

Jack

page,

Input

the

no

to

INSTRU-

about

connectors

11665B.

change

serial

The

8-3. PRINCIPLES OF OPERATION

8-4. A circuit
diagram
helpfulinunderstanding
tion.

8-5. TROUBLESHOOTING

Troubleshooting

8-6.
lator

consistsofperforming

and

the
shooting
details.

8-7. RECOMMENDED TEST EQUIPMENT

Equipment

8-8.
tain

the

11665BislistedinTable

for

servicing

8-9. REPAIR

8-10. This
procedures
special care is necessary.

description

is given

Performance

Procedures, paragraph 8-19,

section

for

opposite

recommended

the

11665B

gives

some

keyedtothe

the

each

the

Model

the

Tests.

are also listed.

detailed

individual

schematic. This is

major

11665B

Operator's

Refer

to

1-3. Special

step-by-step

components

schematic

circuit func-

to

for

test

and

Modu-

Check

Trouble-

further

main-

tools

repair

where

8-13.
inner

(Type
outer
open-end
8710-0877.

conductor

the
conductor

assembly

open-end

To

conductor

a. With a

N)

shellonthe

b.

Carefully remove

Do

NOT
assembly.
moved,

Insert

c.

RF

connector

d. Screw

on

e.

Tighten

replace

open-end

wrench

assembly.

reassembly is difficult.

to

the

wrench

the

connector

assembly

thin

11665B.A1/2-x9/16-inch

can

disassemble

If

the

new

shell.

seat

the

the

connector

outer

used

proceed

1/2-inch

wrench,

be

ordered

the

the

sliding

center

Push

center

corresponding

mounting.

shell assembly

for

disassembly.

outer

as follows:

(APC-7)or7/16-inch

loosen

as HP

outer

center

contact

conductor

down

conductor

shell

the

connector

Part

shell

and

conductor

is re-

assembly

on

the

assembly.

outer

with

center

and

thin

No.

inner

in

shell

the

7-1/8-1

Service

SPECIAL

ORDER

FLAT

SIDE

1250-1360

OPTIONS

013
023

Model

11665B

RF

INPUT

CONNECTORS

OPTIONS

011

013

;·;ti;tttD~I~.~;~~

SER

1

=

OPTIONS

021
022
023

Figure 8-1. Model

8-14. Replacing Center Conductor Contact in

APC-7 Connectors

8-15.
center
four-pronged

by
magnifying glass
ifitneeds
CONTACT
aged
burrs
spaced.

1260-0907.
follows:

faces

Through

conductor

collet

center

conductor.

the

spring-action

replacement.

FOR

by

removing).

or

wear

If

the

(it

may

be

damaged

Amphenol*

Part

If

a. Place

down.

*

AmphenolRFDivision.

wearordamage,

may

need

which

This

examine

snaps

contactisnormally

of

the

this

DO

INSPECTION

The

contact

and

the

prongs

the

contactinthe

replacing.

into

four

It

a recessinthe

progns. With a

contacttodetermine

NOT

REMOVE

(it

may

shouldbefree

should

be

contactisremoveddoNOT

by

Number

it

needs

the

instrument

Danbury.

removal).

131-129

replacement

Connecticut.

so

This

and

the

HP

proceed

is a small

held in

THIS

be

dam-

of

equally

re-use

contact

Part

No.

connector

it
is

as

...

,

..

Connectors

b.

of

.

Tap

now

the

protrude

with

0 0

:'?

11665B

should

pin

5060-0236,

available,anordinary

maybeused.

cil

c. Allow

and

pull

straight

the

HP

the

connector

contact

the

jaws

away

OPTION

022

OPTIONS

lightly

slightly.

extractor,

jaws

open.Ifthis

draftsman's

on

the

from

the

011
021

and

Insert

mechanical pen-

tool

connector

twisting.

d.

Snapina

contact

8-16. BNC CONNECTOR REPLACEMENT

8-17.
connectors,
8-11,
connector
nector,

in place.

In

addition

which

the

only

replacement.

proceedasfollows:

field

new

to

has

repair

contact

by

replacing

been

given

procedureisthe

To

replace

RF

OUTPUT

CONNECTORS

the

contact

the

centering

part

number

toolisnot

usedtoclose

without

pushing a

the

RF

Input

in

paragraph

BNC

the

BNC con-

new

8-2

Model

11665B

Disassembly

Remove
NOT

only

remove

connector.Ifboth

11665B

will

returnedtothe

a.

Remove

nearest

wrench

b.

the

Insert

into

BNC

connector.

a 0.05-inch across-the-flats

the

hole

(a) was removed.

clockwisetoloosen.

c. Remove

not

as
center

to

lose

conductor

the

the

assembly. See Figure 8-1.

Reassembly

the

both

be

factory

only

Turn

BNC

contact

screw

screws are

damaged

the

left

instructed.

screws

in

removed

and

must

for

repair.

single pozi-drive screw

when

the

screw in

the

hex

wrench

connector
and

spring in

Do

the

IN

the

be

hex

step

counter-

carefully so

the

BNC

be

returned

this is

f.

Push

tighten

setscrew firmly.

g.

moved

8-18.
the
apart

in

For

factory.

for

likely will

to

sary

reassemble

done.

down

Replace pozi-drive screw previously re-

step

any

repair.Ifthis is

be

to

on

a.

other

Do

not

damaged.

the

the

the

BNC

repair,

attempt

factory

done

for

connector

return

to

the

take

the

repair

the

11665B

Special fixtures are neces-

11665B.

firmly

11665B

11665B

8-19. TROUBLESHOOTING PROCEDURES

8-20. Simple
check
diode
the

the

is used

connectors.

ohmmeter

Model

with

11665B

either

checks will

because

polarity

not

more

input

adequately

than

on

Service

if

and

to

most

one

any

of

d.

the

new

by

wrapping

contact

e.

side

towards

Do
11665B

Install

connector.

a piece

fingers.)

Position

the

not

insert

may

the

spring
(Assembly

of

the

new

setscrew.

the

connector

be damaged

and

sliding

canbemade

fine wire

connector

and

and

may

around

with

turn.

have

contact

easier

the

The

to

in

the

flat

8-21.

Troubleinthe
encountered
trouble

is

when

encountered,

11665B

attempting

perform
Check, Figure 3-3, first.Ifthe
formisnot
go

to

not

pass
nector.
connectors,
repair.Ifthe
Tests,

typical

the

Performance

the

If

there

return

check

for

Performance

is

no

the

11665B

11665B

the

does pass

system

the

particular

Tests.Ifthe

Tests,

obvious

in

whichitis

trouble.

will

probably

normal

the

modulation

inspect

fault

to

the

the

first

be

operation.

Operator's

wave-

application,

11665B

factory

the

with

will

con-

the

for

Performance

used

'for

If

8-3

Service Model

11665B

8-22. PRINCIPLES OF OPERATION

8-23.

The

Modulator

type,
divides
capacitor,
high-pass filter. Blocking
ceramic

'modulator.

ically-sealed
MHz high-pass filter is a
design.
modulation
line.
be
up
would
range.Itcould,ofcourse, also change
of
destroy

8-24.
states:
During
match
insertion

operating

naturally

an

operational

type

The

PIN-diod~

The

filter

drive

Without

as high as

as

an

active devices

The

low

the

oneortwo

increase

also decrease

them.

Modulator

loss

transition

gets

no

lossatzero

are

operational

(+50

worse

is a

with

a single

into

three

module,

found

absorptive

three-element

is necessary

from

being applied

filter

the

drive

volts,

in

system

the

in

the

tested

operates

mAl

and

between

than3:1 SWR

currentisabout

two-state

current

sections, a

capacitors

on

each

moduleisa

to

feedthrough

which

noise level,

instrument's

network,

normally

high loss

states

absorptive

drive.

anda15

of

end

switch.

Chebyshev

prevent

to

should

dynamic

the

bias level

(-50

the

impedance

6 dB. This

It

blocking

MHz

the

disc

of

the

hermet-

The

15

the

the

RF

could

show

and

or

even

in

two

mAl.

and

the

occurs
two

8-25.
conducting,

biased.
resistors;
except

low-pass filter.
the

8-26.

biased

this'resistor
The

it

its
signal

RF
high-loss

out
grounded
presentsagood

8-27.
the
variable resistors as

when

47-ohm

In

The

for

module.

In

through

other

barrier

cannot

signal is

of

the

The

diodes

all

the

diodes are off, leaving

resistorsinseries

the

low-loss

while

series diodes bypass

the

shunt

their

The

the

high-loss

Rl.

back-biases

series

diode,

potential

forward

low

state.

The

circuit,

through

match.

control

are being used as switches,

state,

the

two

diodes are

capacitance,

result

state,

The

is

bias

because

series

the47-ohm

the

shunt

currentisnot

in

some

with

the

shunt

out

whichispartofthe

is a low-loss

.

the

voltage

the

one

series diode,

CR4,isnot

sufficient

this

diode.

the

diodes

diodes,

absorptive

series diodes are

shunt
developed

module

beirig,effectively

resistors

only

the

load.

diodes

back-biased

so

critical

are back-

the

47

of

the

path

through

diodes

that

the

At

CR4
is

now

and

the

because

modulators.

the

-ohm

circuit

are

across

CRl.

but

RF
the

in

are

circuit

not

its

as

~----------------------------,

I I

I

Jl I

IN

370pF

)----7

I

I

L

920nH

lropF

47n

RI

~47onH

,CRI

~I ~I

]~CR2

-~CR3

47Q

CR4

lropF

"

I I

}

470nH

f f !

~

920nH

I

I

L _

BLOCKING

CAPACITOR

47Q 47Q

In

CR2

HIGH-LOSS

HIGH-PASS

In
CR3

STATE

DRIVE

,-

15-MHz

-

FILTER

:

TRANSITION

~

_____________________

PI

47Q

MODULATION

47n

4_F:

STATEATZERO

MODULE

0

BIAS

1-ll2n

CRI

HIGH-PASS

-

CR2!

15-MHz

FILTER

-

LOW-LOSS

t

STATE

370pF

'~

BLOCKING

CAPACITOR

1-ll2n

-----.

Rl

:

J

I

I
I

CR4

J2

OUT

0

8-4

Figure 8-2.

Model

11665B

Modulator

Schematic

HEWLETT·

PACKARD

ELECTRONIC

UNITED

ALABAMA
8290

Whitesbura: Dr., S.£.
Box

4207

P.O.

Hunsbltle

35802

Tel: [phone]

TWX:

810·726·2204

ARiZONA
2336E.Malnol;a

Pllotnlx 85034

Tel: [phone] Tel: (505)

TWX:

2424 East
TIIC5On85706
Tel:

CALIFORNIA
1430

Fullerton 92631
Tel:
TWX:

3939 Lankersllim Boulevard
North Mollywood
Tel:
TWX,

6515 Arilona Place
los
Tel: (213)
TWX:

lIOl

PaloAl1094303
Tel,(415l327·6500
TWX:

2220 Watt Ave. Tel: (816)
Sacramento
Tel: (916)
TWX:

9606

P.O.
San

Tel: (714)

TWX:

COLORADO

5600

Enllewood

Tet: [phone]
TWX:

910·951-133[1

Ataion

[phone]

East

Otlnrethorpe

(714)870·1000

910·592·1288

(213j877·1282

910·499·2170

Angeles 90045

776·7500

910·328·6148
Embarcadero Road

910·373-1280

95825

482·1463

910-367·2092
Aero Drive

Box

23333

Diel092123

279·3200

910-335·2000

South

Ulster

80110

910-935-0705

St.

Rd.

91604

Parkway

Ave.

CONNECTICUT
12lunuOrive
New

Haten

06525
Tel: (203) 389·6551
TWX:

710·465·2029

FLORIDA
PO.

80_

24210

2806

W.

Oakland Park Blvd.

fl.

lauderdale

Tel:

[phone]

TWX:

510·955-4099

Box

139:0

P.O.
6177 Lake Ellenor Or.
Orlando, 32809
Tel: (305)

859·2900

TWX:

810-850·0113

GEORGIA
P.O. Box

28234

450

Interstate

Atlanta

30328

Tel:

(404)436·6181

TWX:

810·766·4890

HAWAII

King

2875 So.
Mono

lUlu

96814

Tel:

(B08j955-4455

ILLINOIS
5500 Howard
Skakle60076
Tel: (312)

677·0400

TWX:

910·223-3613

INDIANA
3839 Meadows Drive
Indlanapolts46205
Tel:

[phone]

TWX:

810-341·3263

IOWA
1902 Broadway
towa City

52240
Tel: [phone]
Nishi:

(319)

LOUISIANA
P.

D.

Box

840
3239

WtJliams Boulevard

70062

Kenner
Tel: (504) 721·6201
TWX:

810·955·5524

INSTRUMENTATION

STATES.

33307

North

Slreet

Street

338·9467

CENTRAL

UNITED

MARYLAND
6707

Whitestone

Baltimore

21207

Tel: [phone]

TWX:

710·862·9157

20010

Century

428·0700

Box

1648

(30ll

948·6370

710·828·9684

[phone]

710-326·6904

Research

48024

[phone]

810-242·2900

Paul

55114

(612)645·9461

910-563·3734

City

763·8000

910·771·20B7

Htia:hh63043

567-l455

910·764·0830

VelU

382-5777

JERSEY

120

Century

07652

265·5000

710-990-4951

20767

64137

Blvd.

Rd.

lOermantown
Tel: (31)

P.O.
2 Choke Cherry Road
Rocll,iIl.20850
Tel:
TWX:

MASSACHUSETTS

32 Hartwell Ave.
Lexlniton02173

Tel:

TWX,
MICHIGAN

23855

Farmlniton
Tel;
TWX:

MINNESOTA

2459 University Avenue

S1.
Tel:

TWX:
MISSOURI

11131 Colorado Ave. Tel:
Kansu

TWX:

148 Weldon Parkway Tel: (716)

Maryland

Tel: (314)
TWX:

-NEVADA
Lu
Tel: (702)

NEW
W.
Paramus
Tel: (201)
TWX:

Drive

Road

AND

STATES

NEW

P.O.
StationC
6501
A\lIuqlltrqlle
Tel: (505)
TWX:

156 Wyatt Drive
lu

Cruces 88001

TWX:

NEW
6 Automation Lane
Computer
Albany
Tel: (518)
TWX:

1219
Endlutl13760
Tel: [phone]
TWX:

New York City
Manhattan,
Contact
Tel: (201)
Brooklyn, Queens, Richmond
Contact
Tel: [phone]

82

Washington

Poul"keepllel2601

TWX:
39

Salinaw

Rochnler14623

TWX:
5858 East Molloy Road

Syucuse13211
Tel: (315) 454·24B6
TWX:

1 Crossways Park West
Woodbury 11797
Tel: [phone]
TWX:

NORTH
P.O.
1923 North Main
Mla:h
Tel: [phone]

TWX:

SALES

SOUTH

Box

Lomn

910-989-1655

910-983·0550

710-441·8270

Campville Road

510·252·0890

[phone]

510·248·0012

510-253·5981

710-541·0482

510-221-2168

BOl

Point 27262

510-926-1516

AMERICA.

MEXICO

8366

Boulevard N.E. Tel: (803) 782·6493

87108

265·3713

526·2485

YORK

Park

12205

458·1550

Bronx

Paramus,NJOffice

265·5000

Woodbury,NYOffice

Street

Orive

473·9500

CAROLINA
5188

Street

SOUTH
6941-0
Columbia

OHIO

16500
Cleweland44130
Tel: (216)
Night:
TWX:

330
Oayton45449
Tel:
TWX:

6665
Columbul43229
Tel:

OKLAHOMA
P.O.
Oklalloma City 73132
Tel: (405)
TWX:

OREGON

17890SWBoones Ferry Road
Tualatin
Tel: (503)
TWX:

PENNSYLVANIA

111 Zeta Drive

Pittsbura:h15238

Tel: (412)

Night: 782·0401

TWX:

10218thAvenue

KlnlofPrussia

Kina:ofPrussia

Tel:

TWX,

RHODE

873

[utPrnidence02914

Tel:

TWX:

·TENNE3SEE

Memphll

Tel,[phone]

AND

CANADA

CAROLINA

N.

Trenholm Road

29260

Sprague

243·7300

243·7305

810-423·9431

Progress

Rd.

(51JI8:t9·8202

810·459·1925
Busch Blvd.

(614)846·1300

Box

32008

721·0200

910-830·6862

97062

620·3350

910-467·8714

782·0400

710·795·3124

[phone]

510-660·2670

ISLAND

Waterman

Ave.

[phone]

710-381·7573

SERVICE

Road

Industrial

Park

19406

TEXAS

P.O.

80_ 1270

201

E.

Arapaho Rd.
Richardson 75080
Tel:

(214J231-6101

TWX:

910·867-4723

P.O.

Box

27409

6300

Westpark
100

910·881-2645

910·871-1170

South

Main

Lake City 84115

910·925,5681

Box

9854

Hungary

Springs

(804)2B5-3431

710-956,0157

[phone]

910-443·2446

VIRGINIA

345·1640

W.

Beloit Road

53227

541·0550

U.S.

AREAS

you: Atlanta,

New

Jersey

are

listed

Only

Drive

Street

complete

Road

NOT

Ceorcia.

California

...

above.

Suite

HOUltlln 77027

Tel: [phone]
TWX:

231 Billy Mllchell ROld

San Antonio 7822li
Tel: (512) 434·4171

TWX:
UTAH

2890

Salt

Tel: [phone]
TWX:

VIRGINIA
P.O.
2914
Richmond 23228
Tel:
TWX:

WASHINGTON
Bellefield Office Pk.
1203·114thSE
Bellnue98004
Tel:
TWX:

-WEST

Charleston

Tel: (304)

WISCONSIN
9431
Suile117
Milwaukee
Tel: (414)

FOR
LiSTED:

Conlacttherellonalolficenear­est
North Hollywood,
Paramus,

Illinois. Their

dresses

·Servlce

Skokie,

..

.,-

ARGENTINA
Hewlett-Packard Argentina
S.A.C.e.1
Lavalle

117l-3·

Buenos

Alru
Tel: 35,0436, 35·0627, 35·0341
Telex:

012·1009

Cable:

HEWPACK

BOLIVIA
Stambuk & Mark (Boll
Av.
LaPaz
Tel:
Telex:

Cable:

BRAZIL
Hewlett-PackardDoBrasil
I.E.C.
Rua

01307-Slo
Tel,288·7111,287-5858
Telex:

Cable:
Hewlett·Packard

I.E.C.ltda.

Praca
90000·Porto
Rio
Tel: 25-8470
Cable:

ALBERTA
Hewlett·Packard (Canada) Ltd.
11748 Kingsway Ave.
Edmonton
Tel:
TWX:

Hewlett·Packard
915-42 A
Calpry
Tel:

ARC

Mariscal,

Santa

40626,53163,52421

3560014

BUKMAR

ltda.

FreiCaneca

1119

Paulo-SP

309151/2/3
HEWPACK

Sao Paulo

00 Brasil

Dom

Feliciano,

Alelte·RS

Grande do Sut

HEWPACK

Porto Alegre

TSG

OX5

[phone]

610-831·2431

(Canada)

...

enue

S.£.

T2G

lZI

[phone]

...

ia)

LTDA.

Crul

1342

78

(RS)

Brasil

EUROPE

Hewlett·Packard00Brasil
I.E.C.lIda.
Ruada
2oooo·Ria
Tel:

266·2643
Telex: 210079
Cable:

CHILE

Htctor

Casilla16.475
Santialo

Tel:

42396

Cable:

COLOMBIA

InstrumentaciOn
Henrlk

Carrera 7
Apartado
Ba,ola,ID.E.
Tel:

45-78·06,45·55-46

Cable:
Telex: 44400lNSTCO

COSTA

lie.

Alfredo Gallegos GurdUn

Aparlado

Sin

Jad
Tel: 21-86,13
Cable:

BRITISH
Hewlett-Packard (Canada)
837E.Cordova
Vancauver

(604)

Tel:
TWX:

ltd.

Matril,

29

lie Janelra·GB

HEWPACK

HEWPACK

Rio de

Calcagni y Cia,

CALCAGNI

Santiago

A.

Langebaek & Kier S.A.

No.

48-59

A&reo

6287

MRIS

Bogota

RICA

10159

GALGUR

San

COLUMBIA

Slreel

V6A

3R2

254-0531

610-922-5059

Hewlett·Packard
RueduBofs·du·Lan7
P.O.

80x

85

eH-1217 Meyrin 2

Switlerland

Tel: (022)

415400

Cable:

HEWPACKSA

Telex: 2

24

86

Janeiro

lIda.

Jod

lid.

S.A.

;.n.fI

Geneva

CENTRAL

ECUADOR
LaboratoriosdeRadio-lnlenieria
Calle GuayaQuil 1246
Post
Quito
Tel:

212-496;219·185

Cable:

EL

SALVADOR
Electronic
Apartado
Centro Comercial Gigante

Salvador,EI

San

Paseo

Tel:

23-44·60,23·32·37

Cable:
GUATEMALA

IPESA

AvenidaLaReforma
Zona 9
Guatemala

63627,64736

Tel:
Telex:

MEXICO
Hewlett·Packard

S.A.

de

Torres

del

Col.
Mexico 12,
Tel: [phone]
Telex: 017-74-507

MANITOBA
Hewlett·Packard
513CenturySt.
St.

James
Winnipea:
Tej:[phone]
TWX:

Office

Box

HORVATH

Associates

Postal

Escalon

ELECAS

4192

TELTRO

C.V.

Adalid

No.

Valle

D.F.

RJH

610-671-3531

AND

3199

Quito

1682

SalvadorC.A.

46494·Piso

3·48,

GU

Mexicana,

21,

(Canada)

OL8

AFRICA.

11·

SOUTH

Piso

AMERICA

NICARAGUA
Roberto

Teran

C.

Apartado

Postal

Teran

3451,3452

ROTERAN

Box

4929

3481103,
Zone

ELECTRON

Aparatos

Medicos

Scientificosyde

4·5069,

4-6272

RAMEL

689

Managua

Curunda,

Panama City

y Equipos

Edificio
Manaa:ua
Tel:
Cable:

PANAMA
ElectrOnico Balboa, S.A.
P.O.
Ave. Manuel Espinosa
Bldg. Alina
Panama CIty
Tel: 230833
Telex:

C~nal

Cable:
PARAGUAY

Z.J.Melamed S.R.L.
Division:

Division: Aparatos y Equipos

p.J.n~~~t1I:~ion

Cllile, 482, Edllicio Victoria
Alunclon
Tel:
Cable:

CANADA

SCOTIA

NOVA

ltd.

Hewlett-Packard (Canada)
2745 Outch Village Rd.
Malifal

B3L4C7
Tel: [phone]
TWX:

610-271-4482

ASIA.

AUSTRALIA

No.

13·50

ltd.

PERU
Compania Electro M&dica
Ave. Enrique Canauat
San

Isidro
Casillal030
lima
Tel:

22·3900
Cable:

ELMEOUma

PUERTO

RICO
SanJuanElecllonics,
P.O.

Box

5167

Ponce

de

Leon 154
Pda.

3-PTAdeTierra

San

Juan

00906

Tel: (809)

725·3342,
Cable,
Telex:

ONTARIO

Hewlett·Packud
1785
Ottawa

Tel:

(613l225-G5JO

TWX:

Hewlett-Packud
6877
MiuisuUia
Tel:

(416)678·9430

TWX:

722·3342

SATRONICS

San Juan

SATRON

3450

(Canada)

Woodward Or.

K2C

Opg

610·562·8968

(Canada)

Coreway Drive

l4V lL9

610-<192·4246

Hewlett·Packlrd
Export

Trade

HilMewA...

3200
Palo Alto, California
Tel: (415)

493·1501

TWX:

910-373·1267

Cable:

HEWPACK

Telex: 034-8300, 034-8493

312

Inc.

332

Company

e.

Palo Alto

S.A.

lid.

lid.

94304

.

URUGUAY
Pablo Ferrando S.A.
Comerclal e

Industrial
Avenida Italia 2877
Casilla

de

Correo
Mantnldea
Tef, 40-3102
Cable:

VENEZUELA
Hewlett-Packard de
C.A.
Apartado
EdificioSegre
Tercera
Los Ruices Norte
Caracas

Tel: 35·00-11
Telex: 21146
Cable:

FOR
CONTACT:

Hewlett·Packard

Inter-Americas
3200
PaloAlto,Calirornia94304

Tel: (415)
TWX:
Cable:
Telu:

QUEBEC
Hewlett-Packard (Canada)
275 Hymus Boulevard
Pointe
Tel: (518)
TWX,
Telex: 05·821521

Hewlett·Packard (Canada) Ltd.
2376 Galvani
Ste·Foy
Tel: [phone]

FOR
LISTED:
Contacl
ada)

370

RADIUM

Montevideo

Veneluela

50933

Transversal

107

HEWPACK

HEWPACK

Caracas

AREAS

NOT

Hillview Ave.

49J.l501

910·373·1267

HEWPACK

Palo Alto

034-8300, 034-8493

Claire

H9R

lC7

56Hi520

610·422-3022

HPCL

Street

GIN

4G4

CANADIAN

AREAS

Hewlett·Packard (Can·

Ltd. in

Mississauga

LISTED,

ltd.

NOT

E

4/74

MANUAL

r-

MANUAL

Model

Number:

Date

Printed:

Part

Number:

CHANGES

IDENTIFICATION

11665B

July 1973

11665-90011

-

This supplement contains important information for correcting manual errors and for adapting the manual
instruments containing improvements made after the printing of the manual.

To use this supplement:
Make

all

ERRATA corrections

Make

all

appropriate serial number related changes indicated in the tables below.

~

Serial

PrefixorNumber

~

NEW

ITEM

_,.--

Make

Manual

Changes

_

.--

Serial

PrefixorNumber

_,...--

Make

Manual

Changes_

ERRATA

Page

1-3, Table 1·2:

ON

Extend

CONDITION Insertion Loss graph (upper graph) LIMITS curve from 12.0to18.0

along the 5dBscale line.

Page

1-4, Table 1-3:

of

Change lower Frequency limit

all items in Critical Specifications columnto15

Under Sweep Oscillator Suggested Model add 86210A (3to350 MHz).

to

Change Dual Directional Instrument Type

HP

8721A (15to110 MHz)toSuggested Models shown.

Dual Directional Coupler/Directional Bridge and add

MHz.

GHz

to

Page

Page

Manual
Hewlett-Packard
from
number

/ 6 March 1974

2 Pages

PrintedinU.S.A.

1-5/1-6, Table 1·3:

Under Detectors (3), change lower Frequency limit in Critical Specifications column
Under Oscilloscope Suggested Models add 1802A.

2-2, paragraph 2-13:

Change temperature range

to

O°Cto+55°C.

NOTE

change

supplements

allHPoffices.

and

print

recommends

When

date

from

are
that

requesting

the

title

revised

you

periodically

copies

pageofthe

as

often

quote

as

request

the

manual.

necessary

manual

to

the

latest

identification

keep

edition

manuals

of

this

information

as

current

supplement.

from

to15MHz.

and

accurateaspossible.

Free

your

copies

supplement,orthe

HEWLETT

are

available

~

PACKARD

model

Model 11665B

11665-90011

ERRATA

Page

(Cont'd)

2-2, paragraph 2-18:

Change temperature range

Page

4-2, paragraph 4-11:

Change SPECIFICATION

Return Loss (ONorOFF
.015

to

0.04 GHz: ;;;'10 dB(~1.92

0.04to4 GHz: ;;;'15
to

8 GHz: ;;;'12 dB

4
8to18

Page

4-2, paragraph 4-12:

GHz:

Change SPECIFICATION

Page

4·3, Figure 4-1:

BNC

The

TEE should be shown as a straight-through TEE,

wrong indication.

to

-40°Cto+75°C.

to

Condition)

dB

(~1.43

(~1.67

;;;.

8 dB(~2.32 SWR)

to

Frequency

0.015to0.04
to

to
to

8

12.4
to

4

18

0.04
4
8

12.4

SWR)
SWR)
SWR)

(GHz)

ON

Condition

~

7.0

dB

~

3.2 dB

~

3.8

dB

~

4.3

dB

~

5.0 dB

not

a power splitter.

OFF

Condition

;;;.

35 dB
;;;.35dB
;;;'40 dB
;;;'45 dB
;;;'45 dB

Useofa power splitter will

give

a

Page

4-4, paragraph 4-17:

Change

to

read as follows:

SPECIFICATIO

N:

DESCRIPTION:

not

This test will

be shown here since itisa standard insertion·loss (transmission) test showninthe
Service Manual for the Model 8407A
biased on
Refer

Page

8-2, Figure 8-1:

Change

or

off

while being tested. Refertoparagraphs 4-7 through 4·10 in this manual for biasing instructions.

to

the Operating and Service Manual for the 8407Aor8410A for testing information.

top

BNC

connector part numberto1250-0532.

Frequency(GHz)

Model

8407A

0.015to0.04

0.04

to

0.11

Model 8410A

0.11 to 4
4

to

8

8

to

12.4

12.4 to 18

or

OFF

ON

Condition

~

7.0 dB

~ 3.2 dB

~

3.2 dB

~

3.8 dB

~4.3

dB

~

5.0 dB

Condition

;;;.

35 dB

;;;.

35 dB

;;;.35dB
;;;'40

dB
;;;'45 dB
;;;'45

dB

8410A. In this case the device under testisan 11665B,

Operating and

Which

must be

HEWLETT

Ii

PACKARD

2

HP

Part

No.

11665·90011

Printed

in

U.S.A.