HP 11971 Service manual

OPERATION

AND

SERVICE

MANUAL

I r

I

I

,

11971

1-i.AR~.IIONIC

SERIES

~-~IXERS

CERTIFICATION

Hewlett-Packard Company certifies that this product

met

its published specifications at the time
shipment from the factory. Hewlett-Packard further certifies that its calibration measurements
traceable to the United States National Bureau
caiibration facility, and to the calibration facilities

of

Standards, to the extent allowed by the

of

other International Standards Organization

Bureau

members.

WARRANTY

This Hewlett-Packard instrument
for a period
pany

will,

For

warranty service
Buyer shall prepay shipping charges
Buyer. However, Buyer shall pay all shipping charges, duties, and taxes
from

another

HP warrants
its programming instructions when properly installed

operation

of

one year from

at

its option, either repair

or

repair, this

country.

that

its software and firmware designated

of

the

instrument,

date

or

software,

product

of
or

product

to

is

warranted against defects in material and workmanship

shipment. During the warranty period, Hewlett-Packard Com-

replace

HP and

products

must

HP

or

firmware will be uninterrupted

which prove

be returned

shall pay shipping charges

by

on

that

to

a service facility designated

HP

for use with an instrument will execute

instrument. HP does

to

be defective.

for

products returned

or

to

return the product

not

warrant

error free.

by

to

that

LIMITATION OF WARRANTY

The foregoing

by

Buyer, Buyer-supplied software
outside
tenance.

of

wa.rra.11ty

the

environments~l

sh::~H

not

specifications for

apply

or

to

defects resulti'lg from improper

interfacing, unauthorized modification

the

product;

or

improper site preparation

or

inadequate maintenance

or

misuse, operation

or

main-

of

are

:S

HP.

to

HP

the

NO

OTHER WARRANTY IS EXPRESSED

PLIED WARRANTIES

OF

MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.

OR

IMPLIED. HP SPECIFICALLY DISCLAIMS THE

EXCLUSIVE REMEDIES
THE REMEDIES PROVIDED HEREIN ARE BUYER'S SOLE

SHALL NOT BE LIABLE

QUENTIAL DAMAGES,

FOR

ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSE-

WHETHER BASED

ON

CONTRACT, TORT, OR ANY OTHER LEGAL

AND

EXCLUSIVE REMEDIES.

THEORY.

ASSISTANCE

Product maintenance agreements and other customer assistance agreements
Packard products.

For

any assistance, contact your nearest Hewlett-Packard

provided at the back

of

this manual.

Sales

and Service Office. Addresses

are

available

IM-

HP

for Hewlett-

are

_______

Ffj0W

HEWLETT

___

-=~PACKARD

______,

OPERATION

11971

HARMONIC

(K, A,

This manual applies directly
with serial numbers prefixed 2332A, to
ers with serial numbers prefixed 2525A,
11971U
2526A.

For
numbers, see

Section!.

Q,

and

additional

AND

SERVICE

SERIES

MIXERS

U,

and V Models)

SERIAL NUMBERS

t::>

HP

V mixers with serial numbers prefixed

important

MIXERS COVERED

information

MANUAL

11971K

HP

BY

and A mixers

11971Q

and

about

MANUAL in

mix-

to

serial

HP

MANUAL
Microfiche

1212 VALLEY HOUSE DRIVE, ROHNERT PARK, CALIFORNIA, 94928-4999, U.S.A.

PART NUMBER: 11971

Part

Number:

11971·90015

COPYRIGHT©

..

90014

1985, HEWLElT·PACKARD COMPANY

Printed:

August

1985

CONTENTS

GENERAL INFORMATION
Introduction
Mixers Covered

Serial Numbers

~1anual

Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

Spectrum

Specifications . . . . . . . . . . . . . . . . . . . . . . . . 1-4

Equipment

Waveguide Connector Screws . . . . . . . . . . . . 1-4

Test

Equipment

Environmental

II

OPERATION
Introduction
Operating Precautions

RF

Input
LO Input Power
Electrostatic Discharge
HP 11975A ALC Switch
Waveguide Protection Foam

Getting Started . . . . . . . . . . . . . . . . . . . . . . . 2-2

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

by

Manual . . . . . . . . . . . . . . . .

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

UpdatL90J.g

Analyzer

Supplied

Power

Supplement

High

.. ..

and

Accessories

limitations

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

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

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

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

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

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

. . . . . . .

Power

LO

Options

. . . . . . .

..

Available

. . . . . . . . . . . . . . . . 1-4

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

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

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

..

. . . . . . . . . .

......

. . . .

. . .

1-1
1-1
1-1
1-1

1-1

..

1-3

Measurements with the HP 11971 Mixers

Basic Frequency Measurement . . . . . . . . . . . . .

Identifying Signals with

Analyzer Signal Identifier . . . . . . . . . .

Signal

Image Frequency Method . . . . . . . . . . . . . . . 2-4

Amplitude

III

PERFORMANCE TESTS

Calibrated Measurements

the

HP 8569B

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

........

.........

......

2-3
2-3
2·3
2-3

2-6

3-1

14

Test Record

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

3-1

1-4

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

Conversion Loss and Frequency Response
Average Noise Level Test

IV SPECTRUM ANALYZER CALIBRATION

Introduction

V SERVICE

Maintenance

Repairs . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Replaceable Parts
Replacement

Circuit Description . . . . . . . . . . . . . . . . . . . . .

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

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

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

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

of

SMA

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

Connectors . . . . . . . . . . .

......

.....

3-7

3-15

4-1
4-1

5-1
5-1
5-1
5-1
5-1
S-1

ii

GENERAL

INFORMATION

INTRODUCTION

The

HP

Models

with

very

flat

frequency
frequency
GHz,

7 5

GHz.
GHz.
within

the

HP
raise
power
accuracy
below.)

A label
particular
to

read

reference

accurate

are

five screws

the

11971Q

The

Each

the

Model 8

the

LO

leveling

at

on

mixer.

version

level

to

range

overall local oscillator (LO)

model

overall range

56

power

capability

their

the

top

of
offset

±2

dB,

(four

11

9 7 1

K,

of

18

to

covers 33

in

the

9B

Spectrum

to

optimum

of

each

An

8-1/2

the

same

at

can

be employed

required)

SECTION

GENERAL

11

9 7 1 A,

response

7 5 GHz.

to

series employs a

of

the

their

of

LO

mixer shows a Conversion Loss

by

graph

significant

11
characteristics

The

50 GHz,

series.

Analyzer.

required

the

HP

input

11-inch

shown

for

attaching

9 7 1

Q,

11

9 71 U

11971K

the

11971 U covers

frequency

different

The

LO

ranges

The

HP

LO

power

11975A.

level of + 16 dBm. (See also Signal Analyzer High Power

calibration

points across

for

absolute

on

the

The

the

mixer

I

INFORMATION

and

11 9 71 V are

and

low conversion

covers 18 to 26. 5 GHz,

40

to

60

GHz

range

LO

119

level

mixers

table

label, plus a list

the

amplitude

of

the

HP

harmonic,

of

these mixers

71

Mixers use

of

+ 14

shipped

mixer's

RF

input

and

as a result has a

the

to

+ 18 dBm. By

are

able

to

Calibration

with

which

frequency

measurements. Also supplied

flange

general-purpose

loss.

Collectively,

the

11971 A covers 26. 5

and

the

11971 Series Mixers is

make

them

HP Model

taking

achieve maximum

graph

the

to

plotted

mixer provides a larger, easier

shows

the

the

range.

waveguide.

harmonic

they

11971V

different

fully

11

conversion loss

The

covers 50

compatible

9 7

SA

Amplifier

advantage

measurement

LO

especially

calibration

with

each

mixers

cover

2.

0

to

LO

of

Options

for

the

to

40

to

4.

range

with

to

the

that

and

table,

mixer

5

MIXERS

Serial

Attached

serial

digits
made
contents
on

Numbers

number

are
to

the

title

Manual

A

mixer

on

the

title

in

this

manual.

COVERED

to

your

is

the

suffix.

the

mixer.

of

this
page.

BY

MANUAL

mixer is a label

in

two

parts.

The

prefix is

The

suffix, however,

manual

apply

Updating Supplement

manufactured

page. This unlisted serial

The

after

manual

which

The

first

to

mixers

the

printing

shipped

shows

four

the

same

with

of

number

with

digits

is

assigned

the

this

prefix

this

both

and

for

all

serial

manual

newer

the

mixer

the

letter

identical

sequentially

number

may

have

indicates

mixer

is accompanied by a yellow

model

mixers;

the

number

are

the

serial

it

and

is

prefixes listed

a serial

mixer

is

and

its serial

number

changes only when a change is

different

number

different

for each mixer.

under

SERIAL NUMBERS

prefix

from

number.

prefix;

the

that

is

those described

Manual

The

last five

The

not

listed

Updating

1-1

GENERAL

INFORMATION

HP

11971K

HP

11971A

HP

119710

HP

11971U

HP

11971V

WAVEGUIDE

HP

PART

NUMBER

Figure

SCREWS

3030-0221

1-1.

HP

supplement. This supplement contains change
newer

In
manual.
periodically request
with

Complementary

Addresses

For
Updating

mixer.,

addition

to

To

this manual's

of

information

supplement, contact your nearest

change information, the supplement

keep this

major

manual

the

print

copies

as

current

latest Manual Updating supplement. The supplement

date

and

of

the

supplement

offices worldwide

concerning a serial

and

part

are

listed

number

number, both

Hewlett-Packard

11971

Series

information

may

accurate

are

available

on

the

inside

prefix

that

WAVEGUIDE

HP

PART

Harmonic

which explains how

contain

as

possible,

information

Hewlett-Packard

Mixers

SCREWS

NUMBER

1390-0671

to

for correcting errors

for

of

which appear on the

from

your nearest

rear

cover of this manual.

is not listed on the title page

office.

adapt

the

manual

recommends

this

manual

manual

is identified

title

Hewlett-Packard

or

in

the

to

the

in

the

that

you

page.

office.

Manual

OPTIONS

Option
Part

009, shown

Number

in

Figure

5061-5458),
waveguide connector screws,
on

the

SMA connectors.

1-2

1-2,

one

and

is

a Mixer

hex-head

one .

312-inch

Connection

ball-driver

open-end

Kit.

(HP

Part

wrench (HP

It

includes three low-loss SMA cables (HP

Number

8710-1539)

Part

Number

for

tightening

8710-051

0)

for

the

use

GENERAL

INFORMATION

/

LOW-LOSS

HP

PART

5/16-INCH

HP

PART

SMA

CABLE

NUMBER

OPEN-END

NUMBER

(1

5061-5458

WRENCH

8710-0510

OF

3)

SPECTRUM

Option
output.

input power requiren1ent

used

for

ANALYZER

003

for

the

HP Model 8569B

With

this optional amplifier,

this

purpose can be eliminated

OOIIIt&'f

Figure

HIGH

of

the mixers, and the HP Model 11975.A

1-2.

POWER

Spectrum

the

from

Mixer

Connection Kit;

LO OPTIONS

Analyzer adds

analyzer's LO

the

test setup.

_,~

output

......

Option

an

power level is increased

009

internal

..

l*·.,mplifier

amplifier

(or

its equivalent) normally

to

the

analyzer's LO

to

meet

the

LO

1-3

GENERAL

Option
analyzer
external

For

further

85698-2.

INFORMATION

013

for

the

with

an

amplifier

information

Option

SPECIFICATIONS

HP

85698

internal

to

increase

013

is

described in

adds

an

internal

comb generator.

the

analyzer's LO

about HP

85698

HP

Service

amplifier

As

with

Option 003, Option 013 eliminates the need for

output

Option 003

Note

85698-3.

to

the

power

and

analyzer's LO

to

the level required by

output

its installation,

refer

and

also provides

the

mixer.

to

HP Service Note

the

an

Specifications

standards against
nominal operating values
characteristics

EQUIPMENT

for

the

HP

Model 11971 Series Mixers are listed

which

are

included only as additional information; they

the

mixers

are

are

listed

SUPPLIED

Waveguide Connector Screws

Five

hex-head
each mixer.
ball-driver
the

waveguide screws.

TEST

EQUIPMENT

screws (includes one spare), HP

Use

ONLY the screws supplied

hex screwdriver available

AND

ACCESSORIES

in

Equipment and accessories recommended

III.

The

HP 11969A

5061-

5459). See Figure 1-3. This case will hold as many as five

is

a wooden,

internally

Kit.

in

Table

tested (performance tests

in

Table

1-2,

Supplemental Characteristics. Supplemental

are

are

Part

Number

with

it

to

the

Option 009 Mixer Connection Kit simplifies installation

3030-0221

attach

the mixer to

1-1.

These are

the

provided in Section III). Typical

not specifications.

or1390-

0671,

are

the

waveguide. The special

AVAILABLE

for

testing

padded,

the

Model 11971 Series Mixers

transportation

and

storage case (HP Part

different

are

listed in Section

mixers and a Mixer Connection

performance

supplied

with

Number

or

of

ENVIRONMENTAL

LIMITATIONS

The HP 11971 Series Mixers meet

Class

3,

Style

C.

Their specific environmental qualifications are as follows:

Temperature, Non-operating:

Temperature, Operating: 0

Relative Humidity: 95

°C

±5%

Altitude, Non -operating: Less

Altitude, Operating: Less than

Maximum Vibration Levels: 2 G's

Maximum

Shock.:

30

G's

1-4

or

exceed

-40

to

up to

than

3,048

the

environmental

°C

to

+ 7 5

°C

+55 ° C

30°C

12,19 5 meters ( 40,000

meters (

at

5 Hz

10,000

to

2000

Hz

requirements

ft.)

ft.)

of

MIL-T-28800C,

Type III,

GENERAL

J

INFORMATION

Figure

1-3.

HP

ll969A

Transportation

and

Storage

Case

l-5

GENERAL

lNFORMA

TION

Table

Unless otherwise stated, all
input

amplitudes

LO

Ampiiiude

+14to

Calibration Accuracy:

11971K/

± 2.0 dB with

14.5 to

Range:

+18dBm

A/Q/U:

16

dBm

LO

of

1

amplitude range

11971V:

± 2.2 dB with LO amplitude range

14.5 to

16

dBm

11971K/A/Q/U:

± 3.0 dB with LO amplitude range

16to

18dBm

11971V:

± 3.2 dB with

16to

18dBm

LO

amplitude range

1-1.

less

HP

11971

specifications

than

-20

of

of

of

of

Series

Mixer

NOTE

dBm.

GENERAL

Specifications

apply

for

an

IF

Bias Requirements:

of

(1

321.4

of

MHz

2)

None

Maximum

+20dBm

Maximum Peak Pulse Power:

+

(avg. power: +

Environmental:

Meets
StyleC

IF/LO Connectors:

SMA

CW

RF

Input

(100 mW)

24

dBm with

MIL-T-28800C, Type

female (replaceable)

<I

20 dBm)

,.,s

Level:

pulse

and

III,

for

RF

Class 3,

MODEL 11971K

RF Frequency Range:

18-26.5GHz

LO Harmonic Number: 6
LO

Input

Frequency Range:

2.95-

4.36 GHz

Maximum
HP 8569B Noise Level

+ 14.5

Conversion Loss:

to

+ 16

dBm

at 1 kHz

LO

Input

Power:

-llOdBm

Frequency Response at + 14.5
LO

Input

Power:

±2.1

dB

Frequency Response at + 14
LO

Input

Power:

to

±3.0dB

'The

HP

mixers. Leveled power capability

11975A Amplifier, or a similar amplifier, must be used to provide sufficient LO power (14 to

a.tnplitude accuracy with the mixers.

of+

24

dB

Bandwidth, and

to

+ 16

dBm

+ 18

dBm

16 dBm, as

is

available with the

MODEL 11971A

RF Frequency Range:

26.5-40GHz

LO Harmonic Number:
LO

Input

Frequency Range:

2.62-3.97

Maximum Conversion Loss:
HP 8569B Noise Level

+ 14.5

to + 16

GHz

dBm

10

at

1 kHz Bandwidth, and

LO

Input

-106dBm

Frequency Response
LO

Input

Power:

±2.1

dB

Frequency Response at + 14
LO Input Power:

at

+ 14.5

±3.0dB

HP

11975A,

is

necessary to achieve the maximum

28

dB

Power:

to

+ 16

to

+ 18

dBm

dBm

18

dBm) to the

1-6

GENERAL INFORMATION

RF

Frequency Range:

Table

MODEL 11971Q

1-1.

33-50GHz

LO Harmonic Number:
LO

Input

Frequency Range:

2.04-3.10GHz

Maximum Conversion Loss:

H P 8569B Noise

+ 14.5

to

+ 16

-92dBm

Frequency Response at + 14.5
LO

Input

Power:

Level

dBm

16

at

1 kHz Bandwidth, and

LO

Input Power:

±2.3dB

Frequency Response
LO Input Power:

at

+ 14

±3.2dB

to

40

to

HP

dB

+ 16

+ 18

11971

dBm

dBm

Series Mixer Specifications (2 of 2)

MODEL 11971U

RF

Frequency Range:

40-60GHz

LO

Harmonic Number:

LO

Input

Frequency Range:

2.48-3.73
Maximum Conversion Loss:
HP 8569B Noise Level

+ 14.5

-92

Frequency Response at + 14.5
LOinputPower:

to

dBm

+ 16

GHz

dBm

16

at

1 kHz Bandwidth, and

LO Input Power:

±2.3dB

Frequency Response at + 14
LO Input Power:

±3.2dB

to

40

to

dB

+ 16

+ 18

dBm

dBm

MODEL 11971V

RF Frequency Range:

50-750Hz

LO Harmonic Number:

LO

Input

3.10-4.42 GHz
Maximum Conversion Loss:
HP 8569B Noise Level at

+ i

4.5

to

-89dBm

Frequency Response at + 14.5
LO

Input

1

16

Frequency Range:

1kHz

+ i 6

dBm

LO

input

Power:

Power:

±2.5dB

Frequency Response at +

LO Input Power:

14

±3.2dB

42

dB

Bandwidth, and

to

+ 16

dBm

to

+ 18 dBm

'The

maximum frequency is

71

GHz

when used with the

HP

8569B Spectrum Analyzer.

1-7

GENERAL INFORMATION

Table

1-2.

HP

11971

Supplemental

NOTE

Characteristics

Supplemental
not

specific-ations.

3

dB

IF

Bandwidth:

Spectrum Analyzer

characteristics are included

DC

to

Absolute

Accuracy (using calibration

+ 14.5

to

+ 16

dBm

LO):

11971K,
11971A,
11971Q,
11971U,

1i9i1V,

RF

Input

11971K:
ll971K: <2.2:1
ii97iQ/U:
ll971V: <2.6:1

18-26.5

26.5-40
33-50GHz:
40-60

50-75

GHz: ±3.4dB!

SWR:

<2.9:1 First

<2.2:1 Fuii band

GHz:

GHz:

GHz:

200/o

Last

800/o

Full band

PHYSICAL CHARACTERISTICS

1.3

GHz

Amplitude

data

with

±3.3dB
±3.3dB
±3.3dB
±3.3dB

of

band

of

band

a

only

as additional information; they are

Odd Order

Mixing

Product

Suppression:

11971K/ A: >20

dB

11971Q/U/V: >15 dB

Gain Compression Level

11971K:
11971A:
11971Q:
H9iiU:
11971V:

-3

-7

-3

-3

-3

dBm

dBm
dBm
dBm

dBm

(<1

dB):

5061·5458 Cable Insertion Loss:

.8dBat2GHz

l.i

dB at 6

GHz

Model

110711(

.

·~·

11971A

111:17-tn

I 1.::1'1

11971U

11971V

1

The maximum frequency

2

Waveguide attachment screws enter blind holes in the flanges

....

IU.

UG-383/U-M

J

-

UG-599/U

Tlr!

vu-.;Jo~/v

UG-385/U

2

Flange

u;

'1:0'1:

IJ

.......

=~_,..,,-

WR-42

WR-28

~O"'nT

WR-22

WR-19 0.32lb 1.4 in

WR-12

Weight

T

f)

17

Jr

'""'•

...

f '""et

0.36lb

0.14

kg

0.321b

1\

1 A

L.-

u •

.&.,I\.Q

0.321b 1.4 in

0.14

kg

kg

0.14

0.32lb

is

71

GHz

when used with

X

..

...,...,

..........

1.4 in

36rnm

1.4in

"1&.--

.;JU

.lUlU

36rnm

36mm

1.4in

HP

8569B Spectrum Analyzer.

y

,.,

...

••u••

2.0in

51

mrn

2.0in

l:f--

..JJ. 1&1111

2.0in

Slmm

2.0in

51

mrn 76mrn

2.0in

of

the mixers.

z

oo .......

..,..,

......

3.5 in

7lmm

2.8in

"''L--

1\1111111

3.0in

76mm

3.0in

3.0in

1-8

OPERATION

INTRODUCTION

Tl1is section provides information on

OPERATING

Do

not

exceed

RF

Input

CW: No
Pulse:

No

Average: No

PRECAUTIONS

the

Power

greater

greater

than + 20

than

greater

maximum

dBm

+24

dBm

than

+20 dBm

ratings listed below or

at~

how

l

USee

SECTION

OPERATION

to make

effective

permanent

II

use

of

the

HP

119711Yfixers.

damage to the mixer will result.

LO

Input

Power

No

greater

EJectrostatic

than

+20 dBm

Discharge

When installing the mixer, always connect
BEFORE
damaging

HP

!197SA

BEFORE using

to

the

This level of

Waveguide

Do

not

waveguide. Since the mixer

connecting
the

mixer diodes.

ALC

Switch

the

HP

ON

position.

When

LO power

Protection

remove, displace,

them

to

1197

SA

this switch is

can

destroy

Foam

or

damage

is

the

mixer. This will minimize the danger

Amplifier to increase the LO input power, set the amplifier ALC switch

in

the

mixer diodes.

the

white,

amplitude calibrated

calibration.

the

SMA cables to the spectrum analyzer and LO amplifier

of

an

electrostatic discharge

the

OFF

position

The

non-conductive

with

the

LO power

ALC switch

is

on

foam installed

this foam in place,

can

be

greater

the

amplifier rear panel.

in

the

open end

tampering

with

than

it

+20 dBm.

of

affects

the
the

2-1

OPERATION

GETTING

The HP Model 11971 series

HP 11971 Mixers require an
the

HP 11971 Mixer does not have sufficient LO power,

to

increase the LO power.

STARTED

See Section I
Model

8569B

for

information

Spectrum

of

millimeter wave mixers have no bias or back-short adjustments.

LO power

Analyzers.

of

relating

+ 14 to +

CAUTION

Before connecting

switch

to

ON.

the

Failure

to

HP

do

11975A

this

NOTE

18

wiJI

damage

to

High Power

dBm at the

use

the

Amplifier,

the

LO

LO

input.

HP 1197

set

its

mixer.

options

SA

rear

for

If

the

analyzer you

Amplifier

panel

HP

or

ALC

use

an

equivalent

with

With

the three SMA cables (HP Part

Number

S061-S4S8) provided in the Option 009 Mixer Connection
Kit, connect the HP 11971 Mixer, the spectrum analyzer, and
Figure

Leave
flange mating surface from
appropriate waveguide
Input

2-1.

the

waveguide cap on whenever

dust and scratches, which can degrade the mixer's performance. Use

attenuator

if

the

Power shown in the specifications.

SPECTRUM

ANALYZER

SMA

the

output

mixer

CABLE

is

not connected to a device under test. This protects the

power

of

the unit under test exceeds the Maximum RF

SMA

CABLES

the

HP 1197

SA

Amplifier as shown in

an

2-2

Figure

2-1.

HP

11971

Mixer

Connections

OPERATION

MEASUREMENTS

The

control

the

HP

frequency

through
between

BASIC

Set

the

1.

Push

DIV].

FILTER
arrows

2.

Pres8

3.

Press

4.

Set

settings used in this section are for

8569B

a

2.

of

1.

5

the

5

GHz

and

IF

HP

4.

FREQUENCY

controls on

in

all

green

(See

Normal

to

OFF

on

the

FREQUENCY

MIXINGMODE

the

FREQUENCY BAND

the

FREQUENCY SPAN MODE to

WITH

input

THE

HP

requires a

11971

321.4

MIXERS

the

HP 8569B Spectrum Analyzer for

MHz signal,

and

this is compatible

11971 Mixers. This output, specifically designed for a

low-pass filter. Second,

5 GHz, which fulfills

the

the

frequency range

LO

input

of

frequency requirements

MEASUREMENT

the

HP 8569B as follows:

pushbuttons except MIXING MODE [!NT]

Settings

(green position), SWEEP

in

the

HP

SPAN/DIY

8569B Spectrum

TIME/DIY

and

RESOLUTION

to

and

FREQUENCY SPAN MODE

Analyzer

AUTO (green position), and line

BW

controls.

[EXT].

GHz

pushbutton

[FULL

corresponding

BAND].

to

the

two

reasons: First,

with

the

IF

calibration

321.4

MHz IF, is coupled

the

HP 8569B 1st LO

of

the

HP 11971.

output

[PER

Operation manual.) Set VIDEO

up

the

green

mixer's frequency band.

is

5.

Set

the

FREQUENCY SPAN/DIY control

6.

Set

the

INPUT A

7.

Set

REFERENCE

8.

Set

EXT

MIXING BIAS

HP 11971 Mixers.

When using
correct
HP

8569B

8569B

If

the

frequency

shown

and

mode

an

reference

in

Spectrum

on

the
rotate

IDENTIFYING

Signal

Analyzer

TTEN

(dB)

control to

LEVEL to

in

detent

external

mixer, set

level. Except for this

the

external

mixing mode is identical

to l 00

0.

-10

dBm

and

positon (center). This

the

spectrum analyzer

internal

MHz.

FINE

to 0

attenuator

with

Analyzer Operation Manual.

of

the

signal

is

known,

rotate

the

FREQUENCY

digital display. For a more detailed analysis

the

FREQUENCY SPAN knob

SIGNALS WITH

THE

HP

to

8569B

obtain

Signal Identifier

dB.

turns

off

the

internal

control

the

attenuator

of

standard

TUNING

of

the

signal, set

the

desired resolution.

mixing bias. It

to 0 dB

the

reference level, operation

is

not

to

operation described

control until the frequency

the

HP 8569B to

required

maintain

of

in

the

the

PER DIY

for

the

the

HP

is

The

built-in

this

verification, set the

SIG IDENT.
display.

(See

signal

If

Figure

identifier

the

response

2-2.)

can be used to

SPA~.J/DIV

is

control

correct, a second signal, shifted one division to

verify

to

that

2

~,1Hz/DIV.

the

displayed response

Center

the

is

the

desired signal. For

iesponse on the display,

the

left, appears on the

then

press

2-3

OPERATION

Signals

Identification routine. If you are in doubt about the identification,

signal

Image Frequency Method

with

residual FM,

identification

described below.

CTR

24.

015

REF

-20

!&

I I I I H

..

or

FM pulse modulation, might not be successfully identified

GHz

SPAN

2

10

<II/

MHzl

ATTEN 0 dB

! !

.JJI

RES

BV

100

SVP

I~

I

I I I I

\ir.J.,

..II.

Figure

2-2.

Signal

kHz

AUTO

•

YFOFF

.A.

Identifier

with

use

the .,image frequency method

2MHz

the

Signal

..

of

The

"image frequency method"

an

image

that

is displayed

Knowledge
Figure

Mixer. A reduced version

Figures

11971K

frequency range
determined
of

the
desired responses, there
division
The

desired 6+ harmonic response

The

shaded areas on the

r-

...

1ixer where the responses are imprecise, a result

range

1.

To begin
Measurement paragraph.

2.

Using
image

of

the

harmonic mixing process makes

2-3

shows a typical display on

2-4

and

2-5)

is

included

Mixers

RF

that

mi'{ing

are

factory-calibrated

of

2.

95

to

the

signals displayed

with

LO frequencies

is

of

the

CRT

can be seen to

of

the

mixer. Any signal falling inside a shaded

the

identification procedure, set

the

chart

in Figures

pair

can appear.

chart

of

signal

643

MHz (twice

of

the

HP

in

4.

36 GHz.

no need to investigate

be

is

in

Figures

2-4

identification

the

the

HP 8569B

8569B Spectrum Analyzer

Figure

the

2-3

for

the

By

reference to the tuning curves

in

approximately

of

less

the

result

large response

2-4

or

2-5,

determine

depends on

321. 4 MHz IF) above

the

"image frequency method" easier

with a 24

to

aid

in

identifying

6+ mixing mode, which gives them a corresponding LO

the

first

than

3 GHz. Because these signals

them

further.

of

the

RF

input

pair

near

and

2-5

represent

of

the

P"F

area

can

the

HP 8569B controls as described

the

limits on

the

fact

it

on

the

GHz

signal applied

harmonic

four

The large response
mixing
the

the

mixing with

be ignored.

mixing

the

signals present on

in

divisions

with

8th

division

regions for each

LO

the

display

that

the

correct response has

spectrum analyzer CRT.

and

faster to use.

to

the

HP 11971K

tuning

Figures

of

the

the 8th

of

frequencies outside the

within

curves (shown

the

2-4

and

2-5,

display

are

pair
harmonic

the CRT.

are

obviously not

near

HP

in

Basic Frequency

which

display. HP

the
of

11971 Series

the

it

can be

the

result

fourth

the LO.

desired

in

the

LO

3. Rotate

responses.

2-4

the

HP 8569B

TUNING

control to place

the

marker

between a pair

of

possibly correct

OPERATION

11971A

11971K

HARMONIC

4D

IS

..

15

lD

15

MIXING

WITH

85698

13

IZ

II

IIIIIT

AliiiEia

Iiiii)

lU

115

Ill

!5

ill

45

<!!!

IS

ill

15

lD

15

4.

Set

the

spectrum

DIV) pushbutton.

Figure

analyzer

to

2-3.

the

Harmonic

per

division mode by pressing

Mixing Curves

IG

for

Signal ID

the

FREQUENCY SPAN MODE

[PER

5.

If

the separation between
have located
the left,
the

and

desired

the

pair

the

pair

of

the

desired pair.

right-hand

of

responses is lower in frequency

Of

the two responses, the correct mixing

response

is

responses is

6.

4 divisions

its image. In general,

than

the observed pair.

(that

is1 643

if

the separation

MHz) on the display, you

product

is

always the one

is

less

than

6.

4 divisions,

on

2-5

OPERATION

AMPLITUDE

~,The

HP

,. -with

the

CALIBRATED

8569B Spectrum

HP

11971 Mixers. A calibration

. mixer. A smaller version

-:

conversion loss
graph
with

In

the

shows

the

external

:

'

conversion loss
HP

85698.

adjustment

The

calibration

mixer. This

85698

for a particular

Obtaining

the

To
the
For
ADD

signal amplitude display

ADD

example,

TO

and

a correction

two

plots: Mixer Conversion Loss,

HP

8569B Spectrum Analyzer.

m1xmg mode,

of

the

HP 11971 Mixer.

The

OFFSET

compensates for

table contains

information

HP 11971 Mixer is provided in Seeton IV.

an

amplitude calibrated

TO DISPLAY

referring

to

DISPLAY (ATD) is

MEASUREMENTS

Analyzer

of

can

make

the

graph

factor

the

shown

to

bt:

H.t' 8569B gain is

Each

adjustment

the

average

the

is

repeated on the labels

compensates

variation

data

required

measurement

on

the

CRT

data

shown

the

-0.5

in

the

table

in

Figure

d8m, the correct amplitude

amplitude

table

like

the

one shown

on

the

table is

added to

and

the

display reading as a function

ADD TO DISPLAY amplitude correction

automatically

external

using

a correction

over

to

on

the

mixing

for

the

the

calibrate

mixer body. The procedure for

the

factor

calibration table

2-6,

if

the

displayed signal

calibrated measurements

in

on

Figure

the

2-6

mixer itself.

increased to compensate for

band

has

two

adjustments available

average conversion loss

band.

the

HP

85698

HP 11971 Mixer

must be added.

and

plotted

is

-21.

5 dBm.

for use

with

the
The

on the graph on

is

-21

dBm

of

millimeter

is provided

The

of

frequency. The

data

and

the

with

its associated

calibrating

HP

85698

correction

the

mixer label.

at

22

GHz,

signals

with

each

table shows

for use

the

on

the

;;SLOPE;;

the

HP

is simple.

factor

and

is

the

For

the

REFERENCE
ATTENUATOR
the

HP

detent

11971

position.

Mixers,

must

be

the

NOTE

LEVEL

set

to 0 dB. Additionally,

EXT

to

function

MIXING BIAS

properly,
for

control

proper

must

the

INPUT

operation

be

set

to

of

the

2-6

OPERATION

11971U

t-----1

DFUT

~

GiHz)

75

70

65

55

91

45

40

HARMONIC

~I

--~--~--~~--~--~--~--~--4-~

MIXING

DIVISIONS

WITH

ON

CRT

85698

N

15

14

13

12

11

g

III'UT

FllfJIEII:Y

OiHz)

i5

70

65

Ill

!il

11971A

I~

I I

11197U<

1 I aJ

~-

5

D

~

15

10

DIVISIONS

ON

CRT

"

8

7

15

10

5

0

liHz

Figure

2-4.

Harmonic

Mixing

Tuning

Curves

for

HP

85698

2-7

OPERATION

ll971V

1197HJ

IJIIUT

FREIIEJI:Y

(GHz)

75

70

65

110

55

50

45

40

HARMONIC

I

DIVISIONS

MIXING

WITH

I

ON

CRT

85698

N

[!!]

15

14

13

12

11

~

9

IIFUT

FliBIBI:Y

<GHz)

75

70

65

110

!ill

35

25

20

15

10

5

0

2Gtlz

3Gtlz

LO

FREIHJI:Y

RAII':E

I I I I

DIVISIONS

ON

CRT

4

GHz

I

4.46

8

7

[I]

5

4

GHz

35

25

15

w

5

0

2-8

Figure

2-5.

Harmonic

Mixing

Tuning

Curves

for

HP

8569B

OPERATION

11971K

SER.

"""

6+

CALIBRATION

NO.

:

Ifa321.4

MHZ

LO

Power•16d8m

18

41

IJ

18

I I

20

22

iii

·F

!!

>-

•

~

M

0

0

~

·r

0

c

-«

I I I I I I I

I I I I I I

I/\

J7\I_

~I

~

I I I I

~

];q1

~·rT\/1

4

se

20 22

I I I

FREQUENCY

(GHz)

I

24

I I

28.5

I

24

iii

~

rn

rn

0

.J

z

0

M

rn

a:

&u

>

z

0

(J

FREQ.

18.00

18.50

19.00

19.50

20.00

20.50

21.00

21.50

22.00

CONV

FREQUENCY

12.40

LOSS

21.8

21.9

21.8

22.3

21.8

21.5

21.2

21.2

20.8

I

ADD

TO

-0.2

0.2

-0.0

0.7

o.~

§®

-0.2

-0.5

85698

IF

GAIN

22.50

DISPLAY

~~

CALIBRATION*

FREQ.

22.50

23.00

1

,~

.

~®

.~.so

I

25.oo

25.50

26.00

26.50

CONV.LOSS

I

ADJUST

A20 87A

20.5

20.7

20.4

20.3

20.9

21.1

21.5

21.5

21.2

OFFSET

ADD

TO

-0.7

-0.4

-0.7

-0.7

-0.1

0.2

0.7

0.8

0.5

DISPLAY

26.50 20.70

*REFER

TO

85698

OPERATION

Figu-re

2-6.

AND

SERVICE

Sample

MANUAl FOR

Mixer

A20

Calib-ration

878

SLOPE

ADJUSTMENT

Table

PROCEDURE

2-9

OPERATION

2-10

'lltlll

_________________

_

PERFORMANCE TESTS

INTRODUCTION

This section contains instructions
Performance tests
tests verify

Test

equipment

for

the

HP i i 971
exceeds

the

HP 1197 lA, Table

V.

the

critical specifications listed in Tables

are

used

to

check

specifications listed for

required

Test

instruments

for

3-3

the

for

other

performance tests is listed in Table

TEST RECORD

At

the

back

of

this section

test data. Make copies

of

are

performance test records, which can

the

test records

SECTION

PERFORMANCE

for

testing

the

mixers

the

mixers

the

HP 11971Q, Table

than

those listed may be used, provided

and

the

performance

at

incoming inspection

in

Table

3-1

through

use

them

as worksheets when doing the tests.

Ill

TESTS

1-1.

3-4

for

3-5.

of

the

and

3-i

the

HP 11971 U

be

used

HP 11971 Series Mixers.

for periodic evaluation. The

for

the

HP i

their

for

recording

197iK,

and

Table

performance equais

Table

3-5

the

performance

for

~-.~.

the

or

PERFORMANCE TEST PROCEDURES

Each performance test procedure is contained in a single paragraph. The first
the

specification
general description
illustrations are included in this section
the

steps

within

for

the

of

the

each test,

parameter

test and

in

the

order they are given.

being measured
any

special instructions or problem areas. Appropriate test setup

and

are

as

described

referenced in the procedures. You must do the tests,

in

Table

entry

in

each paragraph

1-l.

This is followed by a

is

and

3-1

PERFORMANCE

TESTS

Table

3-1.

Recommended Test Equipment

for

the

HP

11971K

Instrument

Spectrum Analyzer

Synthesized

Power Meter

Power Sensor

Directional Coupler*

Adapter (2 required)

Sweeper

Amplifier

Isolator

Critical

Specifications

LO

and

IF

ranges compatible with mixer

Frequency:

Output

Output

Frequency Range: 3

Compatible with Power Sensor

SWR:

Coupling:
Directivity:

Primary

18

to

Level:

Level: >

>-

<1.3

10

dB

>40

Arm

SWR: <1.05

26.5

GHz

10 dBm

18

dBm leveled

to

4.5

dB

GHz

Auxiliarv Arm SWR: <1.2

Insertion Loss: <1.5

Isolation:
SWR: <1.2

3.5

mm

SWR: <1.1

>20

female to WR-42

dB

dB

Recommended

HP8569B

HP8340A

HP

HP436A

HP8485A

HPK752C

HP P /N

HPK281C

Model

11975A

0960-0081

Cables

*Calibration

measurements.

(3

Cable

required)

data

for the coupling ratio between the

Connectors: SMA male

Connectors:
Loss: <1.0 dB @ 20

SMA

output

arm

GHz

and

the auxiliary

HP

HP

arm

is necessary for accurate

P/N

PIN

5061-5458

8120-4396

3-2

Table

3-2.

Recommended

Test

Equipment

for

the

HP

PERFORMANCE TESTS

11971A

Instrument

Spectrum Analyzer

Synthesized Sweeper

Ampiifier

Amplifier

Power Meter

Power Sensor

Power Sensor

Directional Coupler•

Isolator

Critical

Specifications

LO and IF ranges compatible with mixer

Frequency: 8 to 13.5 GHz
Output Level: >0 dBm

Ouipui Level: > +

Frequency Range: 3

liS

aJSm

to

5 GHz

ieve1ea

Frequency Range: 8 to 13.5 GHz
Output Level: > +

15

dBm

Compatible with Power Sensor

SWR: <2.0

SWR:

Coupling:

<1.3 @ 6 GHz

20

dB
Directivity: >40 dB
Primary Arm

SWR: <

1.05

Auxiliary Arm SWR: < 1.2

Insertion Loss: <1.5 dB
Isolation:

>20

dB

SWR: <1.2

Recommended

Model

HP8569B

HP8340A

HP

ii975A

HP8349A

HP436A

HPR8486A

HP8485A

HPR752D

HP

PIN

0960-0082

Frequency Tripier

Adapter

Adapter

(2

required)

Adapter

Cables

{4

required)

Cable

1

Calibration data for the coupling ratio between the output
measurements.

2

Honeywell, Inc. Spacekom Microwave Center, Santa Barbara,

Conversion Loss: <15 dB

SMA female

Type N male to

to

SMA female

SMA female

SMA female to Type N female

Connectors:

Connectors:
Loss:

SMA male

SMA male

<1.0 dB @ 20 GHz

arm

and the auxiliary arm

CA

Spacekom Microwavel

HP

P/N

HP

P/N

HP

P/N

HP

P/N

HP

PIN

is

necessary for accurate

TKa-1

1250-1158

1250-1250

1250-1404

5061-5458

8120-4396

3-3

PERFORMANCE

TESTS

Table

3-3.

Recommended Test Equipment

for

the

HP

11971Q

Instrument

Spectrum Analyzer

Synthesized

Power Meter

Power Sensor

Power Sensor

Directional Coupler•

Sweeper

Amplifier

Isolator

CriticaiSpecrncations

LO

and

IF

ranges compatible with mixer

Frequency:

Output

Output

Frequency Range: 3

Frequency Range: 11.0
Output

Compatible

SWR:

SWR:

Coupling: 20 dB
Directivity:
SWR:

Insertion Loss:
Isolation:
SWR: <1.5

11.0 to 16.7

Level: >0

Level: > + ! 8 dBm leveled

dBm

to 5 GHz

Level: >+

with Power Sensor

15

dBm

<2.0

<1.3@ 6 GHz

>30

dB

<1.2

<2.0

dB

>20

dB

GHz

to

16.7

GHz

Recommended

Model

HP8569B

HP8340A

HP

1!975A

HP8349A

HP436A

HPQ8486A

HP8485A

HPQ752D

HPQ365A

r I

Frequency Tripier

Adapter

Adapter

(2

required)

Adapter

Cables (4 required)

Cable

Conversion Loss:

SMA

Type

SMA

Connectors:

Connectors:
Loss:

•calibration

data

for

the

coupling ratio between the

measurements.

2

Honeywe!!, Inc. Spacekom Microwave Center,

female

N male

female

<l.OdB

Santa

<20

to

SMA

female

to

SMA

to

Type N female

SMA male

SMA male

@200Hz

output

arm

Barbara,

dB

female

and

the auxiliary

CA

Spacekom Microwave2

HP

HP

HP

HP

HP

arm

is necessary for accurate

TB-1

P/N

P/N

P/N

P/N

P/N

1250-1158

1250-1250

1250-1404

5061-5458

8120-4396

3-4

PERFORMANCE TESTS

Table

Instrument

Spectrum Analyzer

Synthesized

Power Meter

Power

Power Sensor

Directional Coupler

Sweeper

Amplifier

Amplifier

Sensor

3-4.

Recommended Test

Critical

LO and IF ranges compatible with mixer

Frequency: 13.3 to
Output Level:

Output Level:
Frequency Range: 3

Frequency Range:
Output Level:

Compatible with

SWR: <2.0

SWR:

2

Coupling: 20
Directivity: >30

<1.3@

Equipment

Specifications

20.0 GHz

>0 dBm

>+

18

dBm leveled

to

5 GHz

13.3

to

20.0 GHz

>+

15

dBm

Power Sensor

6GHz

dB

dB

for

the

HP

11971U

Recommended

HP

Hughes

HPU752D

HP8569B

HP8340A

11975A

HP8349A

HP432A

1

45773H-1100

HP478A

Model

SWR: <1.2

Isolator

Frequency Tripier

Adapter

(2

Adapter

required)

Adapter

(4

Cables

required)

Cable

Insertion Loss: <1.5
Isolation: >20

dB

dB

SWR: <1.2

Conversion Loss:

<20 dB

SMA female to SMA female

to

Type N male

SMA female

SMA female to Type N female

Connectors:

Connectors:
Loss:

SMA male

SMA male

<1.0 dB @

20

GHz

HPU365A

Spacekom

TQ-1

HP

PIN

HP

PIN

HP

PIN

HP

PIN

HP

PIN

Microwavel

1250-1158

1250-1250

1250-1404

5061-5458

8120-4396

1

Hughes Aircraft Co. Electron Dynamics Division, Torrance,

2

Calibration
measurements.

3

Honeywell, Inc. Spacekom Microwave Center, Santa Barbara,

data

for the coupling ratio between the output arm and the auxiliary

CA

CA

arm

is necessary for accurate

3-5

PERFORMANCE

TESTS

Table

Instrument

Spectrum Analyzer

Synthesized Sweener

Amplifier

Amplifier

Power Meter

Power Sensor

Power Sensor

Directional Coupler

3-S.

Recommended Test Equipment

Critical

LO and

Freouencv:
Output Level:

Output Level:
Frequency Range: 3

Frequency Range: 12.5
Output Level:

IF

-.

J

Specffications

ranges compatible with mixer

12.5 to 18.8 GHz

>0

dBm

>+

18

dBm leveled

to

5 GHz

to

>+

15

dBm

Compatible with Power Sensor

SWR:

<2.0

SWR: <1.3 @ 6 GHz

2

Coupling:
Directivity: >20

20

dB

dB

for

18.8 GHz

the

BP

11971V

Recommended

HP8569B

HP

R~

HP

11975A

HP8349A

HP432A

1

Hughes

Hughes 1 45324H-1220

45774H-1100

HP478A

..

<tnA

Model

Auxiliary Arm SWR: <1.5

Isolator

Frequency Quadrupler

Adapter

Adapter

(2

required)

Adapter

Cables

(4

required)

Cable

Insertion Loss:

Isolation: >20

<2

dB

dB

SWR: <1.5

Conversion Loss: <25 dB

SMA female to SMA female

Type N male

SMA female

Connectors:

to

SMA female

to

Type N female

SMA male

Connectors: SMA male
Loss:

<I.OdB@

200Hz

Hughes1 45114H-1000

3

P/N

V-4X

1250-1158

1250-1250

1250-1404

5061-5458

8120-4396

HP

HP

HP

HP

HP

Spacek

P/N

P/N

PIN

P/N

1

Hughes Aircraft Co. Electron Dynw-rJcs Division, Torrance,

2

Calibration
measurements.

lSpacek

data

Labs Inc.

for the coupling ratio between the

MM

Wave Technologies, Santa Barbara,

3-6

output

CA

arm

CA

and

the auxiliary

arm

is

necessary for accurate

PERFORMANCE TESTS

CONVERSION

SPECIFICATIONS

Conversion Loss:

For a CW

HP
HP

HP
HP
HP

Frequency

For

an

LO

HP11971K:

HP
HP
HP
HP

LOSS

input

11971K:
11971A: 28 dB
11971Q:
11971

U:

11971

V:

Response:

amplitude

11971A:
11

9

71

Q: ±

11971

U:

J 1971V: ±2. S dB

AND

FREQUENCY

power

of

less

24

dB

maximum
maximum

40

dB

maximum

40

dB

maximum

42 dB

maximum

between + 14. 5 and

±2.1dB
±2.1

dB

2.

3 dB

±2. 3 dB

than

-20

dBm

RESPONSE

+ 16. 0 dBm

For

an

LO

amplitude

HP

11971K:

HP

11 9 71

HP

11 9 71

HP

11971U: ±3. 2 dB

HP

11971V:

DESCRIPTION

The

frequency
calibrating
mixer.
on

the

determined.

1.

On
positions
make

the

The

spectrum

spectrum

the

spectrum

to

the

following

FREQUENCY
FREQUENCY
RESOLUTION

INPUT A TTEN

REFERENCE
REFERENCE

AMPLITUDE

between

±3.0

dB

A: ± 3.

Q: ±

response

HP 8S69B as a

green.

0 dB

3.

2 dB

±3.2dB

and

analyzer

analyzer.

analyzer, push

BAND

SPAN/DIV

BW

to
LEVEL
LEVEL

SCALE

(See

Normal

control

to

1 0 dB

From

GHz

1 MHz

to
FINE

to

conversion loss are checked

+ 14. 0

321.4

is

settings:

to 1 MHz

-10

1 dB

and

+ 18. 0 dBm

MHz receiver. A

tuned

to

the

signal

these measurements,

in

all

the

Settings

to

.01--1.8

dBm

to

0 dB

in

at

four

LO

power levels. This is accomplished

known

frequency

the

green

pushbuttons

the

HP 8569B Spectrum Analyzer

input

power is applied

and

the

mixer

conversion loss

and

set all

IF

output

and

rotary

Operaton

to

the

input

power is measured

frequency

controls

response

manual.)

with

by

of

the

are

green

Then

3-7

PERFORMANCE TESTS

2.

Connect
CRT

3.

Adjust
display.

4.

Calibrate
output

5.

Connect

amplifier.

6.

For HP 11971K:

11971A, 11971Q, 11971U

sensor cables,

7.

On
positions
make

the 1 00

display

the

REF

the

level

an

Connect

the

spectrum

to

the

following control settings:

MHz CAL OUTPUT signal

with

the

LEVEL CAL control

HP 8569B for External Mixing as described in Section IV. Set

of

-40

dBm, instead

Sl\·1A

cable from the

a second SMA cable

Set

then

zero

analyzer, push in all

green.

(See

TUNING control.

of

-10

1st

the

Cal

Factor

and

the

power meter.

Normal Settings in

to

11971V: Com:iect

to

to

position

dBm.

LO

OUTPUT

to

the

OUTPUT

100 percent,

the

green pushbuttons and set all

the

the

INPUT connector,

the

peak

of

the

signal on

of

the spectrum analyzer to the

of

the

amplifier.

then

zero

and

the

HP

478A

HP 8S69B Spectrum Analyzer

then

the

calibrate

Power Sensor

rotary

center

top

the

the

signal

graticule

signal generator

of

It..JPUT

the

power meter. For

to

the

power

controls

Operationmanual.)

with

on

the

of

the

CRT

for

an

the

the

meter

green

Then

MIXING
FREQUENCY SPAN MODE
FREQUENCY

12.

21--44

33--71
33--71
3

3--71
FREQUENCY
22

36 for HP
4 2

50

61

MODE

4--26. S for

for
for HP 11971Q
forHP
for

for HP

for

HP l 1 9 7 1 Q

for HP

for HP 11971 V

When you
set
amplifier
the

to

BAND to:

HP

HP

11971A

11971U

HP

11 9 71

GHz

11971K

ll971A

11

97 1 U

the

amplifier

EXT

11

971K

V

TO:

are

using

amplifier

into

the

output

to

ZERO

SPAN

CAUiiON

an

HP

11975A

rear-panel

test

setup.

power is high enough

ALC

If

the

Amplifier

switch

ALC

switch is

to

with

to

ON

damage

an

HP

11971

before connecting

left

in

the

OFF

the

mixer

diodes.

Mixer,

the

position,

8.

9.

1

0.

3-8

On

the

the

free end

Cal

Factor

Adjust

Connect

HP 1197

of

to

the

the

amplifier

the

equipment

SA

Amplifier, set

the

cable installed on

appropriate

OUTPUT POWER LEVEL for a reading

as shown in Figure

the

rear

panel ALC switch

the

OUTPUT connector

value for a frequency

3-1.

of

3.

5 GHz.

to

ON,

then

connect

of

the

amplifier. Set

of

+ 14. 0 ±0. 1 dBm on the power meter.

the

power sensor

the

power

to

meter

I CAUTION I

PERFORMANCE TESTS

Make

for

turn
the

damage

Set the signal generator

11.

HP 11971K:
HP 11971A:
HP 11971Q:
HP 11971U:

HP 11971V: SO.OGHz

12. Adjust the
power

1

3.

On

the
positions
Then

MIXING MODE

output

meter

for the HP 11971K,

spectrum analyzer, push

to

green. (See

make

the

sure

the

HP

8349A

HP

11971A,

it

on.

amplifier

the

18.0

GHz

26.5GHz

33.0GHz

40.0

GHz

power

following control settings:

to

EXT

Q,

U, and V tests, is

Failure

output

frequency

for

a CW

of

the

Normal

to

set this amplifier

to

rise

tripler

output

signal generator for a reading

or

-3

in

all

Settings

Amplifier, used in

set

about

or

signal

dBm for the

the

in

+18 dBm, which is high enough to

quadrupler.

at

the

green pushbuttons and set all rotary controls

the

HP 8569B Spectrum Analyzer Operation manual.)

the

signal

for

external

for

external

frequencies listed below:

HP

11971A, 11971Q, 11971U,

generator

leveling before you

leveling may allow

of

approximately

system

-1

or

2 dBm on

11971V.

with

the

green

FREQUENCY BAND to:

12.4--26.5forHP
21--44
33--71
33--71
33--71

FREQUENCY
RESOLUTION BANDWIDTH
AMPLITUDE SCALE

INPUT A TTEN

EXTERNAL MIXING BIAS to
REFERENCE LEVEL

14. Rotate
identify
locate

15. Adjust the REFERENCE LEVEL controls

Record

for HP
for HP 11971Q
for

HP 11971U

for

HP 11971V

the

frequency

the

response as a "true" signal. (If necessary, increase

the

true

signal.) Record

the

REFERENCE LEVEL control settings

11971K

ll971A

SPAN/DIV

to

(dB)

to

0

to

TUNING

to

2 MHz

to

1 GHz

2 dB/DIV

detent

-1

0 dBm

control

the

signal frequency in Table

position

to

to

display

place

in

the

the

signal peak

Table

signal on the screen.

the

frequency span/division to help

3-6.

at

the

top graticu1e

3-6.

Use

SIG IDENT

of

the

to

display.

3-9

PERFORMANCE TESTS

NOTE

16. Set

Record
value

the

power meter CAL FACTOR to

the

actual

shown on

REFERENCE

the

CRT

annotation.

power meter reading in Table 3-6.

that

value in

17. Record

18. Calculate

Conversion

the

table also.

the

directional coupler coupling factor

For

the
factor
power

the

conversion

Loss

purposes of

is defined

at

the

coupled flange.

loss

= power meter reading + power meter correction

this

as

the

ratio

of the mixer with the following equation:

factor(dB) - directional coupler coupling factor
reference level -

30)

LEVEL

the

setting corresponding to the signal frequency. Record the

If

the power

in

NOTE

measurement,

of

the

- (spectrum analyzer

meter

Table

the

power

control settings,

correction factor (in

not

the

dB)

3-6.

directional coupler coupling
at

the

output

flange to

REF

is

available, record

the

[The

-30

term

corrects for the fact

reference is set to

-I 0 dBm,

For example:
Power Meter Reading =
Power Meter Correction
Coupling Factor

=

8.

9 3

dB

-12.
Factor=

Reference Level= -12. 8 dBm
Conversion Loss=

Record

the

conversion

The
loss
that
measurements.

-12.58 + 0.

loss

conversion loss indicated

in

the

IF cable.

cable must be compensated

that

the top

as

described in Section IV.]

58

dBm

0.

42 dBm

42-

8.

93 - (-12. 8 - 30) = 21.7 dBm

in Table

3-6.

NOTE

on

the

If

other

than

the

of

the

display

mixer

calibration

specified cable is used, the

for

when making amplitude

is

calibrated for

label includes

Joss

-40

dBm when the

the

in

3-10

I·

I

19.

Increment

20.

Repeat

21.

Repeat

step

22.

Frequency

in

the

steps

HP

11971K: 26. 5

HP

11971A:

HP

11971Q:

HP

11971U:

HP

11971V:

steps 5

9,

measure each

Table

3-6.

frequency

14

through

40.0

50.0

60.0GHz

71.0

GHz

through

response is

For

LO

of

19

GHz
GHz
GHz

20

of

these levels

the

difference

power

the

until

for

levels

signal

the

LO

inputs

between

at

generator

appropriate

to

the

the

end

of

between

14.

the

Sand

500

MHz

frequency

mixer

the

of

cable

maximum

16.0

PERFORMANCE TESTS

higher.

listed below is reached.

+ 14. 5 dBm, + 16. 0 dBm

normally

and

dBm, this difference must be less than:

connected

minimum

conversion losses recorded

to

the

and

mixer

18. 0 dBm.

LO input.

In

For

2

3.

Maximum
and

4.2dBforHP

4.6dBforHP

5.

0 dB

for

LO

power

6.0dBforHP

6.4dBforHP

(LO

power

mixer.)

conversion loss

+18. 0 dBm:

HP

11971K:

HP

11 9 71

A:

HP

11971Q:

HP

11971U:

HP

11971V:

Recalibrate
Average
Section IV

11971Kand
11971Qand

HP

11971V

levels between

11971Kand
11971Q,

levels

must

24

dB

2 8 dB

40

dB

40

dB

42dB

the

Noise Level

for

11971A

11971U

14.0

and

11971A

11971Uand

be measured

must

not

HP

8569B

Performance

the

calibration

18.0

11971V

at

the

exceed

for

dBm,

the

LO

input

the

following limits:

NOTE

use

with

Test

procedure.

difference

connector

the

HP

is

to

be performed.

must

of

the

For

11971

be less than:

an

LO

input

Mixer

power

unless

Refer

the

to

between

+ 14. 0

3-11

PERFORMANCE TESTS

EQUIPMENT

THE

HP

11971K

EQUIPMENT
THE

HP

11971A,

HP

11971U

OR

SETUP

SETUP

HP

HP

11971V*.

FOR

FOR
119710,

SPECTRUM

SWA

CABLE

SPECTRUM

ANALYZER

SWA

CABLE

ANALYZER

S!:t4

CA!!lE

SMA

CABLE

POWER

METER

SWA

~

~

CAB~~-----r.~

I

POWER

SENSOR

R

'

*THE

QUADRUPLER

SIGNAL

r------------,

I

I
I

I

:

I
I
I
I

I

I

I

I
I
I
I

GENERATOR

SYNTHESIZED

SWEEPER

ll:i:~~

L------------..J

IS

USED

WITH

THE

HP

11971V.

Figure

3-1.

FREQUENCY
TRIPLER

*

QUADRUPLER

ORI

Performance

I

SMA
CABLE

DIRECTIONAL
COUPLER

Test

SMA

CABLE

SMA

CABLE

-----c:e:J---

HP

Setups

POWER
METER

POWER

SENSOR

THERMISTOR
MOUNT

3-12

PERFORMANCE

TESTS

Signal

Frequency

GHz

Ta.ble

CONVERSION

3-6.

Conversion Loss

LOSS

Model Number
Serial Number

Reference

Level

dBm

and

FREQUENCY

Power

Readings

dBm

and

Frequency Response Test Record (1

RESPONSE

Meter

Date
Tested

Power

Cal

%or

for

an

by

Sensor

Factor

dB

LO

POWER

Directional

CoupUng

of

Coupler
Factor

dB

of

dBm

Z)

Conversion

Loss

dB

3-13

PERFORMANCE TESTS

Signal

Frequency

GHz

Tabl

3-6.

Conversion Loss and Frequency Response Test Record (2

Reference

Level

dBm

Power

Mater

Readings

dBm

Power

Cal

Factor

%or

Sensor

dB

Directional

Coupling

dB

of

2)

Coupler

Factor

Conversion

Loss

dB

3-14

Frequency

Response

=

dB

PERFORMANCE TESTS

AVERAGE

NOISE

SPECIFICATION

HP

11 9 71

K:

HP

119

71

A:

HP

11971Q:

HP

11971U:

HP

11971V:

DESCRIPTION

The

average

8569B
mixer.
MHz

bandwidth.

displayed noise level using
Spectrum
The

difference

Steps 1
Conversion Loss

LEVEL

-11

-1

06 dBm

-92

-92

-89

Analyzer is

TEST

0 dBm

dBm
dBm
dBm

calibrated

between

From

these measurements

through 4 can

external
as a fixed

the

amplitude

be

and

Frequency Response Test.

mixing is measured

321.4

of

the

the

average displayed noise level is determined.

NOTE

omitted

MHz

known

if

they

receiver. A

signal

and

were done

at

several LO power levels. The HP

known

the

noise floor is measured

earlier

signal is applied

in

the

to
in

the

a 1

I.

On

the
positions
make

FREQUENCY

FREQUENCY
RESOLUTION
INPUT A TTEN
REFERENCE
REFERENCE

AMPLITUDE

2.

Connect
on

the

3.

Adjust

spectrum

to

the

following

the

CRT

the

REF

analyzer, push

green.

(See

BAND
SPAN/DIV

BW

to
LEVEL
LEVEL

SCALE

spectrum

with

the

LEVEL

Normal

control

settings:

GHz

to

1 MHz

1 0 dB

to

-10

FINE

to

1 dB

analyzer 1 00

TUNING

CAL

Settings in

to

to

to

control.

control

display.

4.

Calibrate
for

5.

Connect

an

the

output

an

HP 8569B

level

of

-40

SMA cable

for

external

dBm, instead

from

the

amplifier. Connect a second SMA cable

in

all

the

green

the

0.

01--1.8

1 MHz

dB

0 dB

MHz

CAL

to

position

mixing as described

of

-10

1st

LO

OUTPUT

to

the

pushbuttons

HP

8569B

Spectrum

OUTPUT signal

the

peak

in

dBm.

of

the

OUTPUT

of

and

set

all

rotary

of

Analyzer

to

the

the

signal

Operation

INPUT,

on

Section IV, except set

spectrum

the

amplifier.

analyzer

then

the

to

controls

manual.)

center

top

graticule

the

signal

the

INPUT

with

green

Then

the

signal

of

generator

of

the

the

3-15

PERFORMANCE

TESTS

6.

For

the

11

971

meter.

7.

On

the
rotary
manual.)

MIXING
FREQUENCY
FREQUENCY

12.4--26. 5 for
21--44for

3

3--

3

3--

33--71

FREQUENCY
22for

3 6

for

42

for

50for11971U

6 1 for 1 1 9

Make
for
turn
the
damage

HP

V:

Connect

spectrum analyzer, push

controls

Then

MODE

71

for

71

for
for

11971K
11

9 7 1 A

11971 Q

sure

HP

it

amplifier

11971K:

the

with

make

to
SPAN MODE
BAND to:

11971K

1197IA

11

9 7 1 Q

11

9 7 1 U

11971V

GHz

71

V

the

HP
11970A,
on.

Failure

output

the

frequency

Zero

and

HP 4 7 8A power sensor

green positiQns

the following control settings:

[EXT)

to:

8349A

Q, U,

to

to

tripler

calibrate

in

all

to

[ZERO

I

CAUTION

Amplifier,

and

V tests, is set

set

this

rise

about

or

the

the

green pushbuttons except MIXING MODE [INT)

to

green. (See

SPAN]

used

for

amplifier

quadrupler.

power meter.

to

for

+18

dBm, which is high enough

the

power

Normal

I

in

the

external

external

For

meter

signal

the

Settings

generator

leveling before you

leveling

HP

11971A, 11971Q, 11971 U

sensor cables, then zero

in

system

may

the

HP 8569B Operation

allow

to

the

and

-/

and

power

set all

8.

On

the

the

free

CAL FACTOR

9.

Adjust

0.

Connect

I

3-16

When
set
amplifier
the

HP

1197

end

the

amplifier OUTPUT POWER LEVEL

the

you

the

amplifier

into

amplifier

SA

Amplifier, set

of

the

cable installed

to

the

appropriate value

equipment

are

using

the

output

as shown

an

HP

rear-panel

test

setup.

power is high

the

rear-panel

in

in

Figure 3-1.

I

CAUTION

1197SA

ALC

If

the

OUTPUT connector

for

Amplifier

switch to ON before connecting

the

ALC

enough

ALC switch

a frequency

for

a reading

I

with

switch is

to

damage

of

3.

an

HP

11971

left

in

the

OFF

the

mixer diodes.

to

ON,

then

of

the. amplifier. Set

Mixer,

the

position,

connect the power sensor to

the

power

5 GHz.

of

+ 14. 5 ±0. 1 dBm on the power meter.

meter

PERFORMANCE TESTS

11. Set

12. Adjust

13. Set

the

signal

HP

11971K:

HP

11971A:

HP

11971Q:

HP

11971U:

HP

11971V: SO.OGHz

the

output

power

meter

the

spectrum

MIXING

MODE

FREQUENCY

12.4--26. 5 for

21--44

33--71
33--71
33--71

for
forHP
for
forHP

FREQUENCY

generator

18.0GHz

26.5GHz

33.0GHz

40.0GHz

for

the

analyzer

to

BAND to:

11971K

HP

11971A

11971Q

HP

11971U
11971V

SPAN
RESOLUTION BANDWIDTH
INPUT A TTEN
EXT

MIXING BIAS

REFERENCE

to

LEVEL

for

a CW

power

HP

of

11971K,

controls

(EXT]

to 2 MHz/DIV

0 dB

to

its

detent

to

-1

0 dBm

output

the

signal

or

-3

dBm

to

green

to

1

MHz.

position (center)

signal

at

generator

for

the

(refer

the

frequency

for

HP

to

step

given below:

a reading

of

approximately

11971A, 11971Q, 11971

7),

then

make

the

following

U,

-12

or

11971V.

control

dBm

on

the

settings:

14. Adjust
the

the

FREQUENCY

3-7.

15. Set

the

power

14. Record

16. Record

the

directional

17. Adjust

the

Record this value in

18. Press

the

DGTL

3-7.

(The correction

Olog( 1 MHz/

1

frequency

TUNING

SPAN/DIV

meter

CAL

the

power

power

meter

meter

coupler coupling

For

the

purposes
factor
power

REFERENCE

is defined

at

the

coupled flange.

LEVEL controls to place

Table

AVG

pushbutton.

factor

1 kHz)).

control

to

help locate

FACTOR to

reading

in

correction

factor

of

as

this

the

in

ratio

3-7.

After

for

measuring

to

display

the

true

the

appropriate

Table

factor

the

table

NOTE

3-7.

(in

also.

dB),

measurement,

of

the

power

the

noise level has been averaged, record

the

noise

the

true

signal

on

the

signal.) Record the signal

value

for

the

signal frequency recorded

if

it

is available, in Table

the

the

in

directional
at

the

signal

peak

a 1 MHz,

coupler coupling

output

at

the

rather

CRT. (If necessarv. increase

frequency

flange

to

top graticule

the

than

a 1 kHz,

3-7.

the

value

in

Record

of

the

display.

on

bandwidth

Table

in

step

Table

the

is

3-17

PERFORMANCE TESTS

19. Calculate

the

Average Noise Level as follows:

Average Noise Level = power meter reading (step 1
correction

16) - signal amplitude (step 1
1

Olog( 1 MHz/

factor

1 kHz)

(step

16)

-directional

7)

+ noise floor average (step

For example:
Average Noise Level= (-12.
(-67.

2)-

30 =

Enter

-107.5

the

calculated value in Table

dBm

58)+.

42 -

3-7.

The average Noise Level must be:

<

-110

dBm

for

the 11971K

<

-106

dBm

for

the 11971A

<

-92

dBm for

<

-92

dBm

<

-89

dBm

20. Press

the

DGTL AVG pushbutton again to

21. Repeat steps 14 through

for
for

the
the
the

11971Q
11971U
11971V

20

at

the following center frequencies:

HP 11971K: 22 and 26.5 GHz
HP 11971A: 33 and 40 GHz
HP 11971Q:
HP 11971U:
HP 11971V: 63 and

42

50

and
and

50

60

71

GHz
GHz
GHz

5)

+ power meter

coupler coupling

9.

93 - (-11.

turn

8)

+

off

the digital averaging mode.

factor

18)

(step

-

'

)

22. Repeat steps

5 through

21

for a power level of 16.0 dBm

at

the

HP 11971 Mixer LO connector.

3-18

PERFORMANCE

TESTS

Units

~

....

..

u

Power

=14.5

LD
Power

=16.0

Model Number Date
Serial Number Tested by

Signal

Frequency

GHz

1A

Power

Mater

Reading

dBm

110

Tabl

Power

Sensor

Correction

Factor

dB

1l:

3-7.

Average Noise

AVERAGE

Directional

NOISE

Coupler

Coupf11g

Factor

dB

1l:

Test

LEVEL

Signal

Amplitude

dBm

17

Record

Noise

Floor

AmplitUde

dB dB

1Q

aandwidth

Correction

Factor

1a

Average

Noise

Level

dBm

10

3-19

PERFORMANCE TESTS

3-20

SPECTRUM ANALYZER CALIBRATION

SPECTRUM ANALYZER

INTRODUCTION

Before
specific
procedure is described below.

it

is used

manner

for

amplitude

to

adapt

In

the

following
spectrum
analyzer's
inside

performed

the

it

analyzer

top

instrument.

only by a skilled person who knows

SECTION

measurements,

to

the

particular

procedure

to

gain

cover exposes potentially

Because of

the

HP 11971 Mixer

WARNING

it

is necessary

access

HP

to

internal

this

IV

CALiBRATiON

8569B

lethal

Spectrum
in

use

with

to

remove

danger,

the

adjustments. Removing

voltages

the

the

hazard

Analyzer must be

it. The

top cover

at

various locations

calibration

involved.

step-by-step

from

must

calibrated

the

the

be

in

calibration

a

i.

Set

the

HP 8569B controis as foilows:

a.

Push

in

aii

the

green

pushbuttons except MIXING MODE

b. Set VIDEO

line

up

c.

Press MIXING MODE

d. Press

e.

Set the FREQUENCY SPAN MODE

f. Set

g.

h.

i.

j. Set the EXT MIXING BIAS control to its

2.

the

Set

the

Set

the

Set the AMPLITUDE SCALE

Remove

FILTER

the

green arrows

the

FREQUENCY BAND

INPUT A

RESOLUTION BANDWIDTH

REFERENCE

the

top

cover from

to

TTEN

OFF

(green position), SWEEP

on

the

FREQUENCY

[EXT].

GHz

(dB)

control

LEVEL

to

to

1 dB/DIV.

the

HP 8569B Spectrum Analyzer.

-10

pushbutton

to

[ZERO

to.

0.

to

10

kHz.

dBm.

detent

UNT).

TIME/DIY

SPAN/DIV

corresponding

SPAN].

position (center). ·

and

to

AUTO (GREEN POSITIONj,

RESOLUTION

to

the

mixer's frequency.

BW

controls.

and

4-1

SPECTRUM ANALYZER CALIBRATION

3.

Rotate
analyzer's external mixing band.

the

TUNING knob

to

set

the

For

11971A.

4.

Set

the

5.

Connect

level

label
IF gain
set

6.

Disconnect

signal generator frequency to

the

power sensor to

for

a power meter reading

for

the

at

for

a reading

low end of

the

low end

of

the

SMA cable from

of

-31.9

the

the

dBm on the power meter.

the

mixer band. For example:

mixer frequency band to be 21. 9

321.4

SMA cable

of

-10

the

power sensor

HP 8569B.

7.

Vary

the

frequency of

8.

display.
band)

After

If

the

signal goes

OFFSET control on bias assembly

the

signal

is

A20 to place the trace on

the

signal generator to peak

off

the top

of

peaked within the IF, adjust

the

top graticule line

digital FREQUENCY display to

example:

12. 4 GHz

for

the HP 11971K or

MHz.

(see

dBm minus

the display,

A20

(see Figure 4-2).

the

of

Figure

the

and

the

4-1)

and adjust the signal generator

IF

gain shown on

If

the

calibration table or mixer label shows

dB,

the signal generator

connect

the

return

it

to

the

response on the spectrum analyzer CRT

it

by adjusting

appropriate OFFSET control (frequency band) on

display.

the

beginning

the

caiibration tabie

21

of

the

GHz

spectrum

for

or

output

3 21. 4 MHz IF INPUT on

the

appropriate (frequency

the

HP

output

mixer

the

must be

the

-)

9. Rotate the TUNING knob

to

set the digital FREQUENCY display to the end

analyzer's external mixing band. For example: 26 .

11971A.

10. Connect the power sensor
meter

reading of

-10

to

the SMA cable and adjust the signal generator

dBm minus

the

IF

gain shown
high end of the mixer band. For example:
the

high end of the mixer frequency band to be 20. 5

of

-30.5

dBm

on

the

reading

11. Disconnect the

SMA

cable from the power sensor and connect

power meter.

HP 8569B.

12. Adjust
top graticule line

the

appropriate SLOPE control on bias assembly

of

the display.

SPECTRUM

ANALYZER

I

:

I

I
I
I
I

I

'

:

AF

INPUT

'-------------------------

.S

GHz

for the HP 11971K or 44

output

on

the calibration table

If

the

calibration table or mixer label shows the IF gain

dB,

the signal generator

it

to the

A20

(see

Figure 4-2)

SMA

CABLE

POWER

SENSOR

321.4

POWER

METER

output

to place

level for a power

or

mixer label for the

MHz IF INPUT on the

of

the

GHz

must

the

spectrum

for

the

be

set for a

trace on

HP

at

the

4-2

Figure

4-1.

Amplitude

Calibration

Test Setup

TOP VIEW

SPECTRUM ANALYZER CALIBRATION

TOP

VIEW

Figure

4-2.

Offset

and

Slope

B7A

SlOPE

878

12.4-26.5

GHz

Adjustment

21-44

Locations

35-71

OFFSET

89A

GHz

GHz

53-115

GHz

4-3

SPECTRUM ANALYZER CALIBRATION

4-4

)/

SERVICE

MAINTENANCE

The

only

maintenance

not

using

your

mixer, cover its waveguide
1'v1ixers
unnecessary shock
when

REPAIRS

Except
mixer fails, DO
Hewlett-Packard

can

absorb more punishment

they

are

not

for

replacement

NOT

required

or

vibration.

in

use.

try

office.

of

for

the

than

If

you

the

SMA connectors,

to

repair

it

SECTION

V

SERVICE

HP 119

have

yourself, you will void

71

Series Mixers is preventive maintenance. When you

input

with

its

is

normal

the

for such devices, you should avoid subjecting

wooden case, HP 11969A, you should keep

the

HP 11971 Mixers

waveguide cap. Also,

are

NOT field-repairable.

the

warranty.

Instead,

though

notify

the

HP 11971

the

mixers in

the

are

them

If

your

nearest

to

it

REPLACEABLE

Replaceable
the

accessories available for use

REPLACEMENT

If

you must replace
Connector Installation Tool
New Hampshire. This is a

connectors. A complete set
manufacturer's

CIRCUIT DESCRIPTION

A schema tic diagram of
employs
of
odd

The waveguide

impedance

two

the waveguide

harmonic

matching

parts

part

diodes

mixing

input

PARTS

for

the mixers

OF

SMA CONNECTORS

an

SMA connector,

number.

an

arranged

output.

By

is

suppressed.

is

exponentially

between

are

limited

with

the

manufactured

one-piece

of

instructions

HP

11 9 71

as

employing a

the

Series

an

anti

high impedance waveguide

to

the

SMA connectors

mixers,

tool specially designed

-parallel

tapered

are

listed

Hewlett-Packard

by

the

M/

A-COM

for

its use is supplied

Harmonic

pair. These diodes

matched

in

Mixer

diode pair, even harmonic mixing is enhanced while

both height

with

and

waveguide caps. These items,

their

part

numbers in Table

recommends

Omni Spectra Corporation

for

removing

is

shown

are

and

width. The height

input

and

that

you use

and

installing SMA type

with

it.

See

Table S-1

in

Figure

the

the

5-l.

termination

low, dynamic impedance

The

for

5-1.

the

of

mixing

taper

and

Hermetic

Merrimack,

for

the

circuit

the open end

provides

of

5-1

SERVICE

the

diodes.

The
standard-height
standard-height

product.

LO

harmonics

its

first

element a metal-insulator-semiconductor

response.

The

width

waveguide.

waveguide

are

confined

diplexer

taper

creates a high-pass

Without

back

to

the

immediate

separates

the

Table

into

2.

S-1.

filter

response

this

the

6--4.4

isolation,

mixer

vicinity

GHz

and

destructively

of

the

(MIS)

LO

signal

the

diode

capacitor.

from

Accessories and Replaceable

which

LO

pair

isolates

harmonics

interfere

by

the

This

the

321.4

Parts

the

LO

would

with

low-pass

improves

MHz

IF

harmonics

reflect

the

desired

filter,

which

the

out-of-band

signal.

from

from

mixing

has

the
the

as

)

HP

Part

Number

5061-5460

~OI\1-~4~R

8710-0510

8710-1539

5061-5459

"'"'"'n

n""""'

:3V:31.J-U£.~

1390-0671

11970-40001

11970-40002

11970-40003

5041-3932

co

1

7

2

7

8

l

.:J

"'

9

7

8

9

6

Mixer Connector Kit (Option 009, includes the following three items)

r~hle

1

"leter

!O'lP'

SM..<\

Wrench, 5/16-inch, open-end

Ball Driver, 3/32-inch

Storage Case, with packing

Socket

Head

Cap

Screw, 4-40thread, .375 inches long

(flange connecting screw for

Socket

Head

Cap

Screw, captive, 4-40 thread, .290 inches long

(flange connecting screw for

HP i i97iK

HP

11971A Waveguide

HP

11971Q

HP

11971

Waveguide

and

HP

1197IU Waveguide

V Waveguide Cap

Description

!!l~IP

foam

Cap

Cap

cnnnector~

(HP

HP

11971K

HP

ii97iQ,

n fPnnirf>CI\

11969A)

and

HP

Cap

HP

11971A)

i197iU,

or

HP

1i97iV)

5-2

1250-1802

SMA

4

Connector, for

For

Replacing

SMA

Hermatic Connector Installation Tool, Ivf/
Corporation, Merrimack, New Hampshire,

part

number 2098-0248-54.

IF

and

LO

Connectors:

connector replacement

A-C0~,..1

OrnrJ Spectra

M/

A-COM Omni Spectra

)!

WAVEGUIDE

RF

>--

~

--

INTEGRATED
TAPER

4: 1 IMPEDANCE

AND

HPF

WAVEGUIDE

OPEN

SERVICE

~

SIGNAL
ANALYZER

{

Figure

LO

S-1.

2.

HP

6 -

4.

4

GH:z

11971

I

WAVEGUIDE

DIPLEXER

--

>----...,1----t

Series Mixer Schematic Diagram

MIS

CAPACITO~

t

v

l_

EJ

5-3

SERVICE

)

)

5-4

To

obtain

Sales

HEWLETT-PACKARD

servicing

and

Service Office listed in

IN

information

THE UNITED

or

to

the

HP

STATES

SALES

order

replacement parts, contact the nearest Hewlett-Packard

Catalog,

AND

or contact

IN

SERVICE

the

GERMAN

OFFICES

nearest regional office listed below:

FEDERAL

REPUBLIC

CALIFORNIA

P.O. Box 4230

1421

South

Manhattan

Fullerton 92631

GEORGIA

P.

0.

Box 105005

2000 South

Atlanta

5201

Rolling Meadows

NEW

W.

120

Paramus

Park

ILLINOIS

Tollview Drive

JERSEY

Century

Avenue

Place

30339

60008

Road

07652

IN CANADA

Hewiett-Packard (Canada)

17500

South

Service

Trans-Canada Highway

Kirkland,

Quebec

Road

H9J

2M5

Ltd.

Hewlett-Packard

Vertriebszentrale

Berner Strasse

Postfach 560 140

D-6000

IN

Hewlett-Packard

Winnersh, Wokingham

Berkshire

IN

OTHER

Hewiett-Packard (Schweiz)

29 Chemin

CH-1219 LeLignon-Geneva

Frankfurt

GREAT

King Street

RG

EUROPEAN

SWITZERLAND

Chateau

GmbH

Frankfurt

117

56

BRITAIN

Ltd.

Lane

11

5AR

COUNTRIES

Bloc

AG

IN

FRANCE

Hewlett-Packard France

F-91947 Les Ulis Cedex

Orsay

IN

ALL

OTHER

LOCATIONS

Hewlett-Packard Inter-Americas

3200 Hillview Avenue

Palo Alto, California

94304

(

\'

1~

II

II
II

II

!I

II

II

II

1

Ff/;'8

a!~

HEWLETT

PACKARD

(

{,,

\,

HP

Part

Number

11971-90014

Printed

in

u~s.A.