HP 70000, 70900B User Manual

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User's Guide

HP

Spectrum

HP

Source-Controlled Modules

70000

70900B

Series

Analyzer

Local

Modular

Oscillator

System

ABCDE

HP Part No. 70900-90286

Printed in USA March 1994

Edition A.0.0

Notice

The information contained in this document is subject to change without notice.

Hewlett-Packard makes no warranty of any kind with regard to this material, including,

but not limited to, the implied warranties of merchantability and tness for a particular

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consequential damages in connection with the furnishing, performance, or use of this material.

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DFARS 252.227-7013 for DOD agencies, and subparagraphs (c) (1) and (c) (2) of the Commercial

Computer Software Restricted Rights clause at FAR 52.227-19 for other agencies.

c



Copyright Hewlett-Packard Company 1990, 1991, 1992, 1994

is prohibited, except as allowed under the copyright laws.

1400 Fountaingrove Parkway, Santa Rosa, CA 95403-1799, USA

Certication

Hewlett-P

time

measurements

T

echnology

facilities

Warranty

This

workmanship

Hewlett-Packard Company will, at its option, either repair or replace products which prove to

be defective.

For warranty service or repair, this product must be returned to a service facility designated by

Hewlett-Packard. Buyer shall prepay shipping charges to Hewlett-Packard and Hewlett-Packard

shall

shipping

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Hewlett-P

use

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ackard

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Company

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are

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International

ackard

for

a

period

charges

,

duties

warrants

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certies

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ackard does not warrant that the operation of the instrument, or

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this

product

.

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the

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Standards Organization members.

product is warranted against defects in material and

return

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ackard further certies that its calibration

States

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However

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Limitation of Warranty

The foregoing warranty shall not apply to defects resulting from improper or inadequate

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For any assistance, contact your nearest Hewlett-Packard Sales and Service Oce.

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.

AMAGES, WHETHER B

.

ASED ON CONTRA

CT,

TORT,

iii

Safety

The

of

the

CA

UTION

WARNING

DANGER

Symbols

following

symbols

safety

symbols

and

its

meaning

The

CAUTION

not correctly performed or adhered to, could result in damage to or destruction

of the product or the user's work. Do not proceed beyond a

until the indicated conditions are fully understood and met.

The

W

ARNING

which,

to

the

user

conditions

The

DANGER

reader of a procedure which, if not correctly performed or adhered to,

could

sign

result

until

are

used

throughout

before

sign denotes a hazard. It calls attention to a procedure which, if

sign

if

not

correctly

.

Do

are

fully

sign denotes an imminent hazard to people. It warns the

in injury or loss of life. Do not proceed beyond a

the indicated conditions are fully understood and met.

denotes

not

proceed

understood

operating

performed

this

manual. Familiarize yourself with each

this instrument.

a

hazard.

beyond

or

and

It

adhered

a

WARNING

met.

CAUTION

calls attention to a procedure

to

, could result in injury

sign until the indicated

sign

DANGER

iv

General

Safety

Considerations

WARNING

CA

UTION

Before

grounded

socket

Any

or

terminal

There

personal injury. Be extremely careful.

Any adjustments or service procedures that require operation of the

instrument with protective covers removed should be performed only by

trained service personnel.

Before this instrument is switched on, make sure its primary power circuitry

has been adapted to the voltage of the ac power source.

F

ailure

the

this

through

outlet

interruption

outside

can

are

to

set

instrument

provided

the

instrument, or disconnection of the protective earth

result

many

points in the instrument which can, if contacted, cause

the

ac

power

when

is switched on, make sure it has been properly

the

protective

with

of

the protective (grounding) conductor, inside

in personal injury.

input

the

ac

power

conductor

protective

to

the correct voltage could cause damage to

cable

is

of

earth

plugged

the

ac power cable to a

contact.

in.

v

In

This

manual

lightwave

Book

explains

signal

how

analyzers

to

.

operate

HP

70000

Series modular spectrum analyzer systems and

Spectrum

in the following chapters.

Chapter

analyzer

rst

Chapter

4

MENU

Chapter 3 provides a set of quick reference tables that list all softkeys by functional group.

The softkeys are listed alphabetically within each functional group.

Chapter 4 provides detailed descriptions of each softkey. The softkey descriptions are

organized alphabetically.

Troubleshooting

Chapter

Refer to the appendixes and glossary for the following information:

Appendix A describes spectrum analyzer and lightwave-signal-analyzer theory of

operation. The appendix also provides individual block diagrams for HP 70000 Series

modular spectrum analyzer system modules.

Appendix B describes inputs and outputs on individual HP 70000 Series modular spectrum

analyzer

Appendix

lightwave

Appendix

sequences

Glossary denes spectrum analyzer, lightwave-signal-analyzer, and modular-measurement

system terminology.

analyzer

1

describes

.

The

time

.

2

illustrates

5

softkey.

5

provides modular system troubleshooting procedures.

6

provides descriptions for displayed system error messages.

system

C

signal

D

.

and

lightwave

the

basic operation of a spectrum analyzer and lightwave signal

chapter

information is provided in the following chapters.

describes

provides

also provides details for an analyzer that is being operated for the

the organization of the softkeys that are accessed by pressing the

modules

analyzers

.

how

reference

.

A

to

signal

brief

care

tables

analyzer

description

for

ber-optic

for

ASCII

features

of

each

connectors

characters

module is also provided.

and

operating details are provided

and cables that are used with

, control codes, and escape

vi

Contents

1. Overview

Notation Conventions Used in this Manual . . . . . . . . . . . . . . . . . . . 1-1

Front-Panel Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

Analyzer Functions ...... ...... ...... ..... ..... 1-2

Active Function and Data Entry .. ...... ...... ...... .. 1-2

Front-Panel Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

Accessing Analyzer Functions with the Instrument Keypad . . . . . . . . . . . 1-5

Accessing Analyzer Functions with the

Preparing the Analyzer for Measurements . . . . . . . . . . . . . . . . . . . 1-7

Electrical Cable Connections ..... ..... ...... ...... ... 1-10

Fiber-Optic

Cleaning

Making

Instrument

Measurement

Use

Resolving

Viewing Low-Level Signals . . . . . . . . . . . . . . . . . . . . . . . . . 1-13

Interpreting Measurement Results ...... ...... ...... .... 1-14

Common Measurement Indicators . . . . . . . . . . . . . . . . . . . . . . 1-14

Lightwave Signal Analyzer Measurement Indicators ...... ...... . 1-17

Auxiliary Measurement Indicators . . . . . . . . . . . . . . . . . . . . . . 1-19

Interpreting

Using

Presetting the User Softkeys .... ...... ...... ...... .. 1-23

Creating a Custom Menu of User Softkeys . . . . . . . . . . . . . . . . . . 1-23

Incorporating User-Dened Functions into the User-Softkey Menu .. .... 1-25

Restricting Instrument Operation to User Softkeys . . . . . . . . . . . . . . 1-25

Using the

Accessing Custom, User-Dened Functions .................. 1-28

Accessing the Memory Card .... ...... ..... ...... .... 1-29

Formatting a Memory Card . . . . . . . . . . . . . . . . . . . . . . . . .

Cable

Optical

a

Measurement

Preset

Coupled

Closely

Front-P

the

4

USER

4

DISPLAY

Connections

Connectors

...... ...... ...... ...... .... 1-11

............................. 1-11

Procedure

Functions to Maintain Accuracy Easily .......... ... 1-12

Spaced Signals ...................... 1-13

anel

Indicators

5

Key

.

5

Key ........ ...... ...... ...... . 1-26

.

...... ...... ...... ...... 1-10

...... ...... ...... ..... ... 1-11

.

4

5

MENU

.

...................... 1-23

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

.

................ 1-10

.

................. 1-21

1-30

2. Softkey Menu Maps

NNNNNNNNNNNNNN

Freq

NNNNNNNNNNNNNNNNN

NNNNNNNNNNNNNNNNNNNN

NNNNNNNNNNNNNNNNN

NNNNNNNNNNNNNN

Softkey Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Amptd

Marker

BW,Swp

Traces

State

Misc

Softkey Menu .... ...... ..... ...... ...... . 2-3

Softkey Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Softkey Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5

Softkey Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6

Softkey Menu .... ...... ..... ...... ...... . 2-7

Softkey Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12

2-2

2-4

Contents-1

3. SoftKey Quick Reference

Functional Grouping Denitions ........ ...... ...... ... 3-22

4. Softkey Descriptions

NNNNNNNNNN

N

1/T

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

3-DIMEN On Off

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

66 MODE On Off

N

A<-A+B

N

A-B->A

N

A-B+DL

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

A-C ->A On Off

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

ACTIVE MARKER

NNNNNNNNNNNNNNNNNNNNNNN

ALC ALT

NNNNNNNNNNNNNNNNNNNNNNN

ALC EXT

NNNNNNNNNNNNNNNNNNNNNNN

ALC NRM

NNNNNNNNNNNNNNNNNNNNNNNNNNNNN

alc/track

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

A6A*DL/(A+B)

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

A6A*DL/(A+B+C)

N

A

N

A

N

NNNNNNNNNNNNNNNN

A6A0B

NNNNNNNNNNNNNNNNNNNNNNNNNN

A6A0B+DL

N

A

N

A

NNNNNNNNNNNNNNNNN

A6A0C

NNNNNNNNNNNNNNNNNNNNNNNNNN

A6A0C+DL

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

A6DL*(A+B)/C)

N

A

NNNNNNNNNNNNNNNNNNNNNNN

AM FREQ

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

AM INT EXT

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

AM % On Off

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

AMPCOR -> LOWER

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

AMPCOR On Off

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

AMPCOR -> UPPER

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

AMP REF OFFSET

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

AMPTD VALUE

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

ANALYZR TEST

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

ANOTATN On Off

NNNNNNNNNNNNNNNNNNNNNNN

ANY CHR

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

ATTEN AutoMan

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

A UNITS AutoMan

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

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

N

NNNNNNNNNN

.

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

6

A*DL/B)

N

NNNNNNNNNNNNNNNNNNNNN

6

A*DL/C)

N

6

(A

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

6

(A

N

NNNNNNNNNNNNNNNNNN

METER

.

On

Off

On Off

.................................. 4-5

.................................. 4-6

N

NNNNNNNNNNNNNNN

...... ...... ...... ...... ...... ..... 4-9

N

NNNNNNNNNNNNNNNNN

0

B)

0

C

0B)0

C+DL

...... ...... ...... ...... ...... ..... 4-11

N

NNNNNNNNNNNNN

On Off

.................................. 4-13

.................................. 4-18

.............................. 4-2

.

............................ 4-2

.

...... ...... ...... ...... ..... 4-3

...... ...... ...... ...... ...... . 4-3

.............................. 4-4

...... ...... ...... ...... ...... . 4-4

.

...... ...... ...... ...... ...... . 4-6

...... ...... ...... ...... ...... . 4-7

.............................. 4-7

.

...... ...... ...... ...... ... 4-8

...... ...... ...... ...... ...... ... 4-8

...... ...... ...... ...... ...... ... 4-9

.

...... ...... ...... ...... ...... . 4-10

...... ...... ...... ...... ...... ... 4-11

...... ...... ...... ...... ...... . 4-12

.............................. 4-12

................................ 4-13

................................ 4-14

...... ...... ...... ...... ..... 4-14

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

...... ...... ...... ...... ..... 4-15

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

................................ 4-17

...... ...... ...... ...... ...... . 4-17

.............................. 4-18

...... ...... ...... ...... ...... . 4-19

...... ...... ...... ...... ..... 4-20

4-15

4-16

Contents-2

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

AUTZERO On Off

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

AVERAGE SHRT->C

N

NNNNNNNNNNNNNNN

A

XCH

B

.

N

NNNNNNNNNNNNNNNNNN

A

XCH

N

NNNNNNNNNNNNNNNNNNNNN

B<-B-DL

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

BEEPER On Off

NNNNNNNNNNNNN

N

bias

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

BIAS ADJUST

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

BIAS

N

BIAS

N

BIAS

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

BIAS PK RES

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

BIAS PK START

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

BLANKNG On Off

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

BLANK TRACES

N

BLOB

N

BNKSTRT

N

NNNNNNNNNNNNNNNNNNNNN

BXCHC

NNNNNNNNNNNNNNNNNNNNNNN

CAL ALL

N

cal

N

CAL

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

CAL LOGAMP

NNNNNNNNNNNNNNNNNNNNNNNNNN

cal menu

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

CAL

N

CAL

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

cal src values

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

CAL VID BW

NNNNNNNNNNNNNNNNNNNN

CANCEL

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

catalog & MSI

NNNNNNNNNNNNNN

C<-B

NNNNNNNNNNNNNNNNNNNN

CENTER

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

CENTER DELTA

NNNNNNNNNNNNNNNNN

-> CF

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

-> CF STEP

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

CF STEP AutoMan

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

CHANGE PREFIX

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

CLEAR TO END

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

CLEAR WRT A

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

CLEAR WRT B

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

CLEAR WRT C

C

.................................... 4-24

On

N

NNNNNNNNNNNNNNNNNNNNNNNNNNN

PK

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

PK

N

NNNNNNNNNNNNNNNNNNNN

On

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

NNNNNNNNNNNNNNNNN

enable

N

NNNNNNNNNNNNNNNNNN

GAIN

RES

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

NNNN

SRC

...... .

.

.................................. 4-23

................................ 4-25

Off

.

MAX

.

MIN

................................ 4-26

Off

.

On

Off

.................................. 4-29

.................................. 4-30

.

................................ 4-31

..... ...... ..... ...... ...... ..... 4-31

BW

.

INT

EXT

................................ 4-33

..... ...... ..... ...... ...... ...... . 4-33

..... ...... ..... ...... ...... ...... . 4-36

..... ...... ..... ...... ...... ...... . 4-37

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

................................ 4-39

................................ 4-40

.............................. 4-20

..... ..... ...... ...... ...... . 4-21

..... ..... ...... ...... ...... ... 4-22

..... ..... ...... ...... ...... ... 4-24

.

..... ..... ...... ...... ..... 4-25

.

.............................. 4-25

..... ..... ...... ...... ...... ... 4-27

.............................. 4-27

..... ..... ...... ...... ...... ... 4-28

.

........................ 4-28

.

..... ..... ...... ...... ...... . 4-28

.

........................ 4-30

..... ..... ...... ...... ...... ... 4-31

.

.... ...... ...... ...... ... 4-32

..... ..... ...... ...... ...... . 4-32

.............................. 4-33

..... ..... ...... ...... ...... ... 4-34

..... ..... ...... ...... ...... . 4-36

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

..... ..... ...... ...... ...... . 4-38

..... ..... ...... ...... ...... ... 4-38

..... ..... ...... ...... ...... ... 4-39

4-36

4-37

Contents-3

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

C6DAC SEARCH

NNNNNNNNNNNNNNNNNNNNNNNNNNNNN

CLOSE PIT

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

CLOSEST

N

NNNNNNNNNNNNNNNNNN

COMMAND

N

NNNNNNNNNNNNNNNNNN

CONFIG

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

CONFIRM DELETE

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

CONFIRM ERASE

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

CONFIRM RESTART

NNNNNNNNNNNNN

N

CONT

N

CONT

N

CONV

N

COUPLNG AC DC

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

CPL AVG On Off

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

CPL DET On Off

NNNNNNNNNNN

dBm

N

dB

N

dBmV

N

debug

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

DEBUG FAST

N

DEBUG

N

DEBUG

N

DEFINE USR KEY

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

DELETE ALL

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

DELETE

N

DELETE

N

DELETE SEGMENT

NNNNNNNNNNNNNNNNN

DELTA

NNNNNNNNNNNNNNNNNNNNNNN

detectr

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

DETECTR AutoMan

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

DETECTR GND AUT

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

DET SEL LOG V

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

DISPOSE USER

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

DSP LIN On Off

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

EDIT FUNCDEF

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

edit limit

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

ENTER COMMAND

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

enter limit

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

ENTER LINE

NNNNNNNNNNNNNNNNNNNNNNNNNNNNN

ERASE ALL

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

erase/restart

.

N

NNNNNNNNNNNNNNNNNNNNNNNN

SWEEP

N

NNNNNNNNNNNNNNNNNNNNNNNN

LOSS

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

.................................... 4-49

N



V

.

N

NNNNN

.

NNNNNNNNNNNNNNN

N

NNNNNNNNNNNNNNNNNNNNNNN

N

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N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

...... ...... ...... ...... ...... ... 4-41

PEAK

.

................................ 4-42

...... ...... ...... ...... ...... ..... 4-44

.

...... ...... ...... ...... ...... ... 4-47

.

...... ...... ...... ...... ...... ... 4-50

...... ...... ...... ...... ...... ..... 4-50

................................ 4-50

On

Off

SLOW

CHAR

or...

.

................................ 4-53

.

...... ...... ...... ...... ...... ..... 4-55

.................................. 4-55

................................ 4-59

................................ 4-60

...... ...... ...... ...... ...... ... 4-61

.............................. 4-41

.

...... ...... ...... ...... ... 4-42

.............................. 4-45

...... ...... ...... ...... ...... . 4-45

...... ...... ...... ...... ..... 4-45

.

...... ...... ...... ...... ..... 4-46

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Contents-4

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execute DLP

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ext mixer

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grat control

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Contents-5

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LEFT PIT

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lim <-> ampcor

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Contents-6

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Contents-7

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RBW AMP On Off

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RBW FREQ On Off

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Contents-8

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SIG ID AMPTD 1

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SIG ID -> CF

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Contents-9

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TYPE

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1->SP

N

units

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UPPER->

N

UPPER/LOWER

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

USR PWR On Off

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

VBW AMP On Off

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

VBW CPL Rx SA

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

VBW/RBW

N

VERT

N

VID

N

VID BW AutoMan

NNNNNNNNNNNNNNNNN

VIDEO

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

VIDEO LEVEL

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

VID LIN On Off

N

VIEW

N

VOLT

N

WARNING On Off

NNNNNNNNNNNNNN

WATT

N

WAVELEN

N

X

N

ZERO

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

ZOOM TO RES BW

.................................... 4-171

N

NNNNNNNNNNNNNNNNNNNNNNNN

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

NNNNNNNNNNNNNNNNNNNNNNNNNNN

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

NNNNN

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

.

NNNNNNNNNNNN

.................................. 4-172

menu

OFFSET

AVG

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNN

A/BLANK

.

.................................... 4-182

N

NNNNNNNN

.

.................................... 4-183

.

AMPCOR

................................ 4-173

RATIO

.

On Off

...... ...... ...... ...... ...... ..... 4-179

................................ 4-179

.

...... ...... ...... ...... ...... ... 4-181

.

...... ...... ...... ...... ...... ..... 4-182

.

............................ 4-172

.

...... ...... ...... ...... ..... 4-173

.............................. 4-174

.............................. 4-175

...... ...... ...... ...... ...... . 4-176

.

...... ...... ...... ...... . 4-176

.

...... ...... ...... ...... ..... 4-177

.............................. 4-177

.............................. 4-178

.............................. 4-180

A

.

...................... 4-180

.............................. 4-181

.

...... ...... ...... ...... . 4-182

.............................. 4-184

5.

Troubleshooting

Built-in

Software

Status Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2

Error Message Reporting . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3

Display Tests ............................... 5-5

Analyzer Test ............................... 5-5

Software Programs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7

Troubleshooting Procedures ...... ...... ...... ...... . 5-9

Troubleshooting a Lightwave Signal Analyzer ................ 5-9

Contents-10

T

Element Status Indicators .. ...... ...... ...... .... 5-2

Error Indicators ........ ...... ...... ...... .. 5-2

Active Indicators ........................... 5-3

HP 70001A Mainframe Status Indicators . . . . . . . . . . . . . . . . . .

Error Message Block . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3

Error Report Screen .......... ...... ...... ..... 5-3

Display-Disruptive Errors . . . . . . . . . . . . . . . . . . . . . . . . . 5-5

Background Tests .......... ...... ..... ...... . 5-6

HP-MSIB Troubleshooting Utility ........ ...... ..... .. 5-7

System Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7

Operation Verication .......................... 5-7

Troubleshooting Procedure|Part 1 .................... 5-10

T

ools

.

Programs

.

........................ 5-1

.

...... ...... ...... ...... ... 5-1

.

......

.

...... ...... .. 5-1

5-3

Troubleshooting Procedure|Part 2 ........ ...... ...... 5-10

Categorizing Failures.... ...... ...... ..... ...... . 5-11

Troubleshooting from the Front Panel..... ...... ...... ... 5-12

Troubleshooting Over the HP-IB ..... ..... ...... ...... 5-13

System Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-14

Running Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-14

Running Diagnostics from the Front Panel..... ...... ...... 5-14

Running Diagnostics Remotely ...................... 5-15

System Diagnostics Requirements: Version C.03.00 . . . . . . . . . . . . . . 5-16

HP-MSIB Addressing Order . . . . . . . . . . . . . . . . . . . . . . . . 5-16

Calibrator Signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-16

Making

Saving the Contents of RAM ....................... 5-17

Read/Write LO Memory ......................... 5-18

System Diagnostics Utilities . . . . . . . . . . . . . . . . . . . . . . . . . 5-20

Running the System Diagnostics Utilities ................. 5-20

Recovering from Problems while Running System Diagnostics . . . . . . . . . 5-21

Memory

Other Error Messages . ..... ...... ...... ...... .. 5-21

No System Diagnostics in RAM ...................... 5-21

Catastrophic Failures...... ...... ...... ...... ..... 5-22

Symptoms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-22

Error

Abnormal

HP-MSIB

Module

Repair

Module-Level

Assembly/Component-Level Support .... ...... ...... ... 5-27

System or Module Repair by Hewlett-Packard ................ 5-28

On-Site Service Option . . . . . . . . . . . . . . . . . . . . . . . . . . 5-28

Additional Service Options ........ ...... ..... ..... 5-28

Backup

Overow

Indicators

I/O

or

HP-MSIB

V

olt/T

emp

Current

I/O

Procedures

Error

Check

Screen

Troubleshooting

Removal

by

Customer

Copies

Error

Indicator

Error

Method

.

Support

of

System

Message

.

Indicator

LED

Indicator

Display

.

...... ...... ...... ...... . 5-26

............................ 5-27

...... ...... ...... ...... .... 5-27

.

......................... 5-27

Diagnostics

.

...................... 5-21

.

.... ...... ...... .. 5-22

is

On

.

LED

.

LED

.

........................ 5-25

.

....................... 5-25

.

...... ...... 5-16

.

.............. 5-22

.

...... ...... .. 5-23

.

...... ...... . 5-24

.

.............. 5-24

6. Error Messages

User Application Errors 0001 { 0999 ..................... 6-2

Operating Errors 2000 { 2999 . . . .

Hardware W

Hardware Broken Errors 7000 { 7999 . . . . . . . . . . . . . . . . . . . . .

Computation Errors 8000 { 8999 ....................... 6-35

Factory-Use Only Errors 9000 { 9999 .... ...... ...... ..... 6-36

arning Errors 6000 { 6999

..................... 6-13

...... ...... ..... ... 6-22

6-25

Contents-11

A. Theory of Operation

Spectrum Analyzer ........ ...... ...... ...... ... A-1

Lightwave Signal Analyzer . . . . . . . . . . . . . . . . . . . . . . . . . . A-2

Modular Spectrum Analyzer and Lightwave Signal Analyzer Block Diagrams . . . A-4

Individual Module Block Diagrams ..................... A-5

B. Inputs and Outputs on Modular Spectrum Analyzer Modules

HP 70300A RF Tracking Generator and HP 70301A Microwave Tracking Generator B-1

Front-Panel Ports ............................. B-2

Rear-Panel Ports... ...... ...... ...... ...... ... B-4

HP 70310A Precision Frequency Reference .................. B-6

Rear-P

HP 70600A preselector . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-8

Front-Panel Ports ............................. B-8

Rear-Panel Ports... ...... ...... ...... ...... ... B-9

HP 70620A Preamplier/HP 70620B Preamplier/HP 70621A Preamplier . . . . B-10

Front-

HP

Front-Panel and Rear-Panel Ports........ ...... ...... .. B-13

HP 70900B Local Oscillator Source ...................... B-15

Front-Panel Ports ............................. B-15

Rear-Panel Ports... ...... ...... ...... ...... ... B-16

HP

Front-P

Rear-P

HP

Front-P

Rear-P

HP

Front-P

Rear-P

HP

Front-Panel Ports ............................. B-23

Rear-Panel Ports... ...... ...... ...... ...... ... B-24

HP 70906A RF Section (50 kHz to 26.5 GHz) . . . . . . . . . . . . . . . . . . B-25

Front-Panel Ports ............................. B-25

Rear-Panel Ports... ...... ...... ...... ...... ... B-26

HP 70907A/B external mixer interface moduleU; .... ...... ..... B-27

Front-Panel Ports ............................. B-27

Rear-Panel Ports... ...... ...... ...... ...... ... B-29

HP 70908A RF Section . . . . .

Rear-Panel P

HP 70909A RF Section . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Front-Panel Ports ............................. B-31

Rear-Panel Ports... ...... ...... ...... ...... ... B-32

HP 70910A RF Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-33

Front-Panel Ports ............................. B-33

Rear-Panel Ports... ...... ...... ...... ...... ... B-34

anel

and

70810B

70902A

anel

70903A

anel

70904A

anel

70905A

P

orts

.

...... ...... ...... ...... . B-6

Rear-P

Lightwave

IF

anel

P

IF

anel

P

RF

anel

P

RF

anel

P

orts ...... ...... ...... ...... B-10

Section

P

orts

section

P

orts

section

P

orts

section AND 70905B RF Section (50 kHz to 22 GHz) . . . . . . . B-23

orts... ...... ...... ...... ...... ...

(Resolution

.

(Resolution

.

.............................. B-20

(100 Hz to 2.9 GHz) .................. B-21

............................. B-21

.............................. B-22

and

HP 70810B Option 850 Lightwave Section .. B-12

Bandwidth

.

...... ...... ...... ... B-18

Bandwidth

.

..................... B-19

...... ...... ...... ..... B-30

10

Hz

{300

kHz)

...... ...... ...... .. B-17

100

kHz{3

MHz)

.

...... B-17

.

..... B-19

B-30

B-31

Contents-12

C. Fiber-Optic Connections

The Importance of a Good Connection .. ...... ...... ...... C-1

Characterizing a Connection ......................... C-1

Dry and Wet Connections ... ...... ...... ..... ...... C-2

Cleaning Dry Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . C-2

Using Index-Matching Compounds If Necessary ........ ...... .. C-3

Applying Index-Matching Compound .................... C-3

Cleaning Wet Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . C-4

Making the Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-4

Fiber-Optic Cable and Connector Summary .................. C-5

D

.

ASCII

American Standard Code for Information .. ...... ...... ..... D-2

Control Codes and Escape Characters . . . . . . . . . . . . . . . . . . . . . D-3

Glossary

Index

Codes

,

Control

Position the Pen, Clear or Move Text, or Beep . . . . . . . . . . . . . . . . D-3

Enhance Text ...... ...... ...... ...... ...... . D-3

Change

Display-Functions

Color

Codes

,

and

Escape Characters

.

............................ D-4

Mode

.

...... ...... ...... ..... D-4

Contents-13

Figures

1-1. Front-Panel Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

1-2. Instrument Keypad ............................ 1-5

1-3. How to Access Analyzer Functions ..................... 1-6

1-4. Displayed Measurement Results . . . . . . . . . . . . . . . . . . . . . . . 1-8

1-5. Calibration Signal .... ...... ...... ..... ...... .. 1-12

1-6. Common Measurement Indicators . . . . . . . . . . . . . . . . . . . . . . 1-14

1-7. Lightwave Signal Analyzer Measurement Indicators ............. 1-17

1-8. Auxiliary Measurement Indicators . . . . . . . . . . . . . . . . . . . . . . 1-19

1-9. Front-Panel Operation Indicators ...................... 1-21

1-10. Preset User Softkeys . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-23

1-11. Transfer an Analyzer Softkey to User-Softkey Menu . . . . . . . . . . . . . 1-24

1-12.

Inserting

NNNNNNNNNNNNNN

2-1.

Freq

N

Amptd

2-2.

N

NNNNNNNNNNNNNNNN

Marker

2-3.

NNNNNNNNNNNNNNNNNNNN

2-4.

BW,Swp

NNNNNNNNNNNNNNNNNNNN

2-5.

Traces

N

State

2-6.

N

NNNNNNNNNNNNN

State

2-7.

NNNNNNNNNNNNNNNNN

2-8.

State

NNNNNNNNNNNNNNNNN

2-9.

State

NNNNNNNNNNNNNNNNN

2-10.

State

N

NNNNNNNNNN

Misc

2-11.

NNNNNNNNNNNNNN

2-12.

Misc

3-1. Marker-Peak Functions Analyze Trace Data ................. 3-25

4-1. Blanked Annotation ............................ 4-18

4-2. Catalog of User Memory with External Memory Selected . . . . . . . . . . . 4-34

4-3. Locating the Data Line

NNNNNNNNNNNNNNNNNNNN

4-4.

CONFIG

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

4-5.

EXTEND STATE

4-6. Catalog of Internal Memory

4-7. Measurement Using Normal-Peak Detection ................. 4-105

4-8. Coupling and Accuracy Indicators . . . . . . . . . . . . . . . . . . . . . . 4-135

4-9. Measurement Using Sample-Peak Detection . ..... ...... ..... 4-139

NNNNNNNNNNNNNNNNN

4-10.

STATE

4-11. Title-Line and Title-Entry Window Positions...... ...... ..... 4-164

5-1. Error Reporting . ...... ..... ...... ...... ...... 5-2

5-2. Error Report Screen ............................ 5-4

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

5-3.

MORE ERRORS

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

5-4.

ANALYZR TEST

the

Memory

Softkey

N

NNNNNNN

Softkey

N

NNNNNNN

Softkey

Softkey Menu Map (2 of 5) .... ...... ...... ..... 2-8

Softkey Menu Map (3 of 5) .... ...... ...... ..... 2-9

Softkey Menu Map (4 of 5) .... ...... ...... ..... 2-10

Softkey

SoftkeyMenuMap(1of2)...................... 2-12

SoftkeyMenuMap(2of2)...................... 2-13

Displays Parameters Under Your Control . . . . . . . . . . . . . . . 4-156

Menu

Softkey Menu Map ........................ 2-4

Softkey Menu Map ........................ 2-5

Softkey

Displays System Conguration ................... 4-44

Softkey . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5

Card

.

...... ...... ...... ..... 1-29

Map

.

...... ...... ..... 2-2

Menu

Map

.

....................... 2-3

Menu

Map

Menu

Map

Menu

Map

and Character List . . . . . . . . . . . . . . . . . . 4-43

Lists Module-Level Parameters ...... ...... ... 4-63

Softkey ..... ..... ...... ...... .... 5-6

.

................ 2-6

(1

of

5) ........ ...... ..... .. 2-7

(5

of

5) ........ ...... ..... .. 2-11

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

4-88

Contents-14

5-5. System Diagnostics Softkey Menu . . . . . . . . . . . . . . . . . . . . . . 5-15

A-1. Simplied Spectrum Analyzer Block Diagram ................ A-1

A-2. Simplied Lightwave Signal Analyzer Block Diagram . . . . . . . . . . . . . A-3

A-3. Modular Analyzer Conguration Block Diagram ............... A-4

A-4. Modular Source Conguration Block Diagram .. ...... ...... .. A-5

A-5. HP 70600A/70601A Preselector Block Diagram .... ...... ..... A-6

A-6. HP 70620A/B Preamplier/HP 70621A Preamplier Block Diagram ...... A-6

A-7. HP 70907A External Mixer Interface Module Block Diagram ......... A-6

A-8. HP 70904A RF Section Block Diagram . . . . . . . . . . . . . . . . . . . . A-7

A-9. HP 70905A/905B/906A/906B RF Section Block Diagram ........... A-7

A-10. HP 70908A RF Section Block Diagram . . . . . . . . . . . . . . . . . . . . A-7

A

-11.

HP

70810B

A-12. Dual HP 70810B Lightwave Section Block Diagram ............. A-8

A-13. HP 70903A IF Section Block Diagram . . . . . . . . . . . . . . . . . . . . A-9

A-14. HP 70902A IF Section Block Diagram . . . . . . . . . . . . . . . . . . . . A-9

A-15. HP 70902A IF Section and HP 70903A IF Section Interconnection Block Diagram A-9

A-16. HP 70900B Local Oscillator Source Block Diagram .............. A-10

A

-17.

HP

70310A

A-18. HP 70301A Microwave Tracking Generator Block Diagram .... ...... A-11

A-19. HP 70300A RF Tracking Generator Block Diagram . . . . . . . . . . . . . . A-11

A-20. HP 70000 RF and Microwave Source with an HP 70900B Local Oscillator Source

Conguration Block Diagram ...................... A-12

B-1.

HP

70300A

Generators

B-2.

HP

70300A

Generators

B-3.

HP

70310A

B-4.

HP

70600A

B-5.

HP

70600A

B-6.

HP

70620A/B

B-7.

HP

70810B

B-8.

HP

70900B

B-9.

HP

70900B

B-10. HP 70902A IF Section, Front View .. ...... ...... ...... . B-17

B-11. HP 70902A IF Section, Rear View . . . . . . . . . . . . . . . . . . . . . . B-18

B-12. HP 70903A IF Section, Front View .. ...... ...... ...... . B-19

B-13. HP 70903A IF section, Rear View . . . . . . . . . . . . . . . . . . . . . . B-20

B-14. HP 70904A RF section, Front View . . . . . . . . . . . . . . . . . . . . . B-21

B-15. HP 70904A RF section, Rear View ..................... B-22

B-16. HP 70905A RF section and HP 70905B RF sections, Front View . . . . . . . . B-23

B-17. HP 70905A RF section and HP 70905B RF

B-18. HP 70906A RF section, Front View . . . . . . . . . . . . . . . . . . . . .

B-19. HP 70906A RF section, Rear View

B-20. HP 70907A/B external mixer interface moduleU;, Front View

B-21. HP 70907A/B external mixer interface moduleU;, Rear View . . . . . . . . . B-29

B-22. HP 70908A RF Section . . . . . . . . . . . . . . . . . . . . . . . . . . . B-30

B-23. HP 70909A RF Section Front Panel ..................... B-31

B-24. HP 70909A RF Section Rear Panel .. ...... ...... ...... . B-32

B-25. HP 70910A RF Section Front Panel ..................... B-33

B-26. HP 70910A RF Section Rear Panel .. ...... ...... ...... . B-34

Lightwave

Precision

RF

Tracking

,

Front

RF

Tracking

,

Rear

Precision

Preselector

Preamplier

Lightwave

Local Oscillator Source, Front View ............... B-15

local oscillator source, Rear View .... ...... ...... B-16

Section

Frequency Reference Block Diagram . . . . . . . . . . A-10

View

Frequency

, Front View . . . . . . . . . . . . . . . . . . . . . B-8

, Rear View ..................... B-9

Section Front and Rear View .......... ... B-13

Block

Generator

.

Generator

.

and HP 70621A Preamplier Front View . . . . . . B-11

Diagram

and

HP

.

and

HP

.

Reference

..................... B-26

.

............... A-8

70301A

.

70301A

.

,

Rear

section, Rear View ........ B-24

Microwave

...... ...... .... B-2

Microwave

................ B-4

View

.

Tracking

.

......... B-6

........ B-27

B-25

Contents-15

Tables

1-1. Softkey Settings when Executing Calibration Procedure ........... 1-9

2-1. Function Categories Accessed by Top-Level Keys . . . . . . . . . . . . . . . 2-1

3-1. SoftKey Quick Reference, Organized by Function ...... ...... .. 3-2

4-1. Signal Path versus Input Attenuation .................... 4-19

4-2. Catalog of User Memory ...... ...... ...... ...... .. 4-35

4-3. External Mixing Bands and Associated Mixing Harmonics . . . . . . . . . . . 4-69

4-14. Frequency Ranges and Corresponding Harmonic Numbers .......... 4-77

4-15. Frequency Ranges and Corresponding Harmonic Numbers .......... 4-116

4-13. Preselector DAC Frequency Bands .... ...... ...... ..... 4-118

B-1. Preampliers and Their Frequency Ranges ................. B-10

D-1. ASCII Characters (codes 0 through 127) and HP 70004A Color Display Characters D-2

D-2.

D-3.

D-4.

Control

Escape

Codes

Characters

Characters that Control Enhancements ............... D-4

.

....................... D-3

that Control the Pen, Clear Text, and Scroll Text...... D-3

Contents-16

Overview

Notation Conventions Used in this Manual

The display presents seven top-level softkeys on the left side of the display that appear when

4

5

MENU

the right side of the display. Each softkey that is displayed on the right either performs an

analyzer function directly or accesses another menu of related softkeys. The name of the

function appears on the display next to the activating softkey.

This manual uses the following conventions:

4

KEY

N

softkey

NNNNNNNNNNNNNNNNNNNNNNN

SOFTKEY

is pressed. Pressing one of the top-level softkeys on the left, displays softkeys on

5

N

NNNNNNNNNNNNNNNNN

A

key name that looks like this represents a key that is physically located on the

instrument and is commonly referred to as a front panel key.

Text that looks like this (with all lowercase letters) represents a softkey that

accesses another menu of related softkeys.

T

ext

that

looks

like

this

(with

all

executes

its

function.

uppercase

letters)

represents

a

softkey that

1

Display

Text

When

information

generic

term,

T

ext

that

applies

\analyzer"

looks

is

to

used

like

this

represents

both

a

spectrum

throughout this manual.

messages

analyzer

and

that

a

lightwave

appear

on

signal

a

display.

analyzer

, the

Overview 1-1

Front-P

anel

Controls

Front-panel

which

The

facilitate

In

addition,

executes

If the analyzer is being controlled by a computer, press the

panel control.

Analyzer Functions

Functions are activated by pressing the keys around the perimeter of the display screen or

on the instrument keypad. The functions are organized in levels, called softkey menus. The

4

5

MENU

are

accessed

softkeys

displayed

of

the

\pages"

controls

are

accessed

5

4

MENU

4

DISPLAY

5

4

USER

analyzer

analyzers

commonly

,

4

USER

.

Press

level

softkeys

of

information,

are

with

key

accesses

5

key

accesses

key

accesses

measurements

installed in an HP 70004A color display have an instrument keypad that

used

5

, and

4

DISPLA

by

pressing

previous-menu

of

softkeys

display

summarized

three

all

analyzer

all

a

set of analyzer functions, custom-made or factory-preset, which

analyzer functions.

5

keys access the top-level menus of softkeys. Lower-level softkeys

Y

softkeys

.

The

information

press

N

MORE

in

Figure

front

panel

functions

display functions.

.

having

and

return

5

key

4

6

N

NNNNNNN

can

that exceeds the space on the display.To view additional

.

1-1

.

keys:

.

lower-case

keys

be

N

used

N

Functions are organized into three groups

4

5

(or

4

5

LCL

labels

.

menu

Press

or

N

NNNNNNNNNNNNNNNNNN

to recall the last ten softkey entries.Some

5

4

6

LOCAL

NNNNNNNNNNNNNN

MORE

,

to

) key to regain front

to

access

view

the

previously

additional

Some softkeys switch between two states, such as internal or external (INT/EXT), automatic or

manual (AutoMan), and on or o (On O). An underscore on the softkey label indicates which

softkeys and operating states are selected.

Active Function and Data Entry

Once a key is pressed, its function becomes active, meaning its value can be changed. The

active function readout on the left side of the screen displays the active function. In addition,

the key for the active function is highlighted in inverse video or underscored. (The label of

immediately executed functions is highlighted momentarily.)

Use the numeric keypad, knob, and

function. If the function requires an entry for units, such as hertz or volts, unit softkeys

appear

softkey to complete the data entry

Press

step keys until the next key is pressed.

after a number is entered with the numeric keypad or knob. Press the desired units

5

4

HOLD

to blank the active function readout, and disable the knob

485or495

.

step keys to change the value of the active

, numeric keypad, and

1-2 Overview

Front-Panel Controls

Instrument preset

Local

Softkeys

Plot

Print

Figure

4

INSTR PRESET

settings. Appendix A lists preset settings

some models

4

5

LCL

the instrument has been under remote control. (This key is called

4

LOCAL

execute instrument or display functions, depending on whether

4

DISPLAY

around the perimeter of the display screen.

4

PLOT

display HP-IB port.

4

PRINT

connected to the display HP-IB port.

1-1.

Front-Panel Controls

5

changes all instrument settings to their preset

. (This key is called

.)

(moving counterclockwise) reinstates front panel operation if

5

on some models.)

5,4

5

plots the analyzer display if a plotter is connected to the

5

prints the analyzer display on a graphics printer if one is

MENU

5

,or

4

USER

5

was selected. The softkeys are located

Overview 1-3

5

4

I-P

on

Display

functions

4

DISPLA

some models.)

5

accesses all display functions. (This key is called

Y

4

DSP

5

on

User functions

Instrument functions

Instrument

Select

Hold

Knob

Step down

keypad

instrument

4

5

accesses functions that facilitate custom measurement

USER

procedures. (This key is called

4

5

MENU

as a digitizer, are added to the modular analyzer as a separate

instrument,

depending on the selection made by

4

MENU

4

MNU

executes

operation

selects

example

press

not on your instrument, press

of

4

HOLD

panel

softkey

provides

the character set.

495

the data line.

accesses all analyzer functions. If other instruments,such

4

5

MENU

5

does

not

5

on

some

commonly

of

corresponding

instrument

,

if

a

of

4

INSTR

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

5

blanks

knob

,

numeric

is

pressed.

data

decreases the value of the active function or moves the cursor in

accesses the functions of each instrument,

access

models

system

5

activates

selects another instrument.

the

entry

the

.)

used

that

is controlled by the front panel keys.For

contains a voltmeter and an analyzer, each

active-function

keypad,

,

moves

4

5

on some models.)

USR

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

4

INSTR

display

analyzer functions and duplicates

4

MENU

the

functions

5

softkeys

instruments

4

DISPLAY

and

marker

5

,

readout

step

keys

, or moves the cursor through

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

NEXT INSTR

N

5

(or

NEXT INSTR

.

(This

key

is called

.

individually

and

disables

until another function

.If

. Each press

the

4

INSTR

front

).

5

is

Step up

Return

Numeric keypad

P

ower

HP-HIL

Memory card

485

increases the value of the active function or moves the cursor in

the data line.

465

views previously displayed softkeys or moves the cursor to the

beginning of the data line.

provides data entry.

controls

graphics

analyzer system, the power to the display must also be turned on.

The Hewlett-Packard Human-Interface-Link (HP-HIL) keyboard

can be connected to the HP-HIL connector at the front panel of

the HP 70004A color display

initiated at the keyboard instead of by the front panel keys

provides storage space and accesses routines and instrument

personalities. These are called down-loadable programs (DLP

the

line

display

power

or

HP

to the analyzer. If an HP 70206A system

70004A

color

display is added to the modular

. Many front panel functions can be

.

s).

1-4 Overview

A

ccessing

Use

the

instrument

commonly

that

surround

graphics

used

display

Analyzer

keypad

analyzer

the

display

or

the

HP

Functions

for

fast

functions

screen.

70206A

operation.

,

duplicating

The

instrument

system

with

The

the

graphics

the Instrument Keypad

instrument keypad provides easy access to

5

operation

keypad

display.

of corresponding

is not available on the HP 70205A

4

MENU

softkeys

Figure

1-2.

Instrument

K

eypad

Overview 1-5

A

ccessing

Analyzer

Functions

with

the

4

MENU

5

K

ey

Use the

categories which are accessed with seven keys at the left side of the display screen. The

underscore indicates which group of functions is selected.

After selecting a function category, press any softkey at the right side of the display screen to

execute an analyzer function.

4

MENU

5

softkeys to access all analyzer functions. The functions are divided into seven

The

softkey

pressing

4

MENU

maps

5

.

Figure

in

Chapter 2 illustrate the location of all the softkeys that are accessed by

(Refer

to

1-3.

How

to

A

ccess

Analyzer

Chapter 4 for a description of each softkey.)

Functions

1-6 Overview

Preparing

The

analyzer

Spectrum

connected,

step

7.

The

following

the

procedure

1.

Apply

(1).

2. Wait about 5 seconds while the analyzer performs a self-check, then press the

instrument-preset key,

3. The analyzer is operating when a trace sweeps across the display. The MEASURE indicator

LED illuminates as the sweep progresses. As an additional indicator, the green, active

(ACT) status indicators are lit on the analyzer modules, except when the

been pressed. Also, if your analyzer has more than one signal path, for example, more than

one

RF input port or more than one IF module, the green status indicator may be o on

modules

4.

If

your analyzer is sweeping, skip to step 5.

5.

If

the

analyzer

until the analyzer is activated.) If the analyzer is still not activated when power is applied,

inspect the rear panel HP-MSIB interconnections for tightness and then cycle power.

If you cannot activate the analyzer, press

conguration

address

bottom row of the map. If it is not, change the HP-MSIB row-address switch to row-address

0. See the

instructions

the

Analyzer

requires

Analyzer

most

procedure

to

power

not

analyzer

does not have an

map

HP 70000 Modular Spectrum Analyzer Installation and Verication Manual

.

proper

Installation

analyzer

activate

to

passing or processing the input signal.

is

of

by

models

provides

the analyzer, and check its hardware and error-correction status.

all mainframes and displays in the system by setting all LINE switches on

4

INSTR

not

activated

your

system.

turning

the

for

Measurements

connection

and

are

some preliminary checks for nonstandard analyzers.Follow

PRESET

4

INSTR

Move

front

of

cables

,

V

erication

ready

5or4

when

power is applied, press

5

key, press

the

panel

Manual

for

use

5

.

I-P

4

DISPLA

4

DISPLA

highlighted

knob

.

The

as shown in the

.

Once the system cables are

after they have been calibrated, continue at

5

, then press

Y

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

5

,

address map

Y

rectangle

local

oscillator

HP 70000 Modular

4

DISPLA

N

NNNNNNNNNNNNNNNNNN

HP

70900B

5

4

,

INSTR

N

NNNNNNNNNNNNNNNNNNNNNNNNNNN

along

the

module

INSTR

bottom

must be in the

5

key has

Y

.

(If

your

repeatedly

row

of

the

for

6.

Inspect

indicator is lit, press

the error indication. Press

other error occurs, refer to the

Verication Manual

Chapter 6 for a description of system error messages.

Note

7. Verify that the analyzer can display signals sent to the RF INPUT port. Connect the

CALIBRATOR signal to the input port, then press the following keys.

Press

the

status

For an analyzer with an external interface module for input, such as an

HP 70907A external mixer interface module

frequency range of your external mixer

indicators on the front panels of the analyzer modules. If an error (ERR)

4

DISPLAY

for installation, verication, and troubleshooting instructions. Refer to

4

INSTR PRESET

NNNNNNNNNNNNNN

Freq

NNNNNNNNNNNNNN

SPAN

NNNNNNNNNNNNNNNNNNNN

CENTER

NNNNNNNNNNN

1

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

5

,

REPORT ERRORS

4

5or4

MENU

HP 70000 Modular Spectrum Analyzer Installation and

5

(or

MHz

NNNNNNNNNNN

300

MHz

to learn what caused the error and clear

5

to reactivate the analyzer display. If any

USER

, connect any signal within the

, and tune to that signal.

4

5

)

I-P

Overview 1-7

8.

If

your display resembles Figure 1-4, skip to step 7.

Figure 1-4. Displayed Measurement Results

If

the

input

port:

a.

Press

b.

Press

analyzer

port

N

does

not

you

are

using

NNNNNNNNNNNNNNNN

State

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

select input

display

may

not

the

input

be

active.Follow this procedure to activate the input

signal and has more than one input port, the

c.

Press the key corresponding to the desired input.

If

the calibrator signal still is not present on the analyzer screen, see that the interconnect

cables

Modular Spectrum Analyzer Installation and Verication Manual

instructions.

are properly installed and are tightly secured. If necessary, refer to the

for complete installation

HP 70000

1-8 Overview

9.

UNCOR

the

execute

To execute the routine, follow this three-minute procedure:

appears

built-in

it

At the beginning of each day.

After extreme temperature changes.

After selecting a new input port.

After moving the analyzer.

Connect the CALIBRATOR signal to the input port, unless measuring signals at the input

port on an external mixer interface module (for example, HP 70907A external mixer

interface module).

at

the upper right of the graticule if your analyzer needs calibrating with

correction

only

when the analyzer requires calibration:

routine. Since the calibration routine lasts about three minutes,

Press

If

the

calibration procedure fails, check the settings of the

following

Table 1-1. Softkey Settings when Executing Calibration Procedure

Key Keystrokes

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

FREQ

FOR

CAL

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

POWER FOR CAL

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

CAL SRC INT EXT

4

INSTR

NNNNNNNNNNNNNNNNN

Amptd

NNNNNNNNNNNNNNNNNNNNNNN

CAL ALL

table

.

that Access Key

N

NNNNNNNNNNN

Amptd

N

MORE

NNNNNNNNNNNNNNNNNNNNNNNNNN

cal menu

NNNNNNNNNNNNNNNNN

Amptd

NNNNNNNNNNNNNN

MORE

N

NNNNNNNNNNNNNNNNNNNNN

cal

menu

N

NNNNNNNNNNNNNN

Amptd

NNNNNNNNNNNNNN

MORE

NNNNNNNNNNNNNNNNNNNNNNNNNN

cal menu

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

cal enable

5

(or

4

5

)

I-P

5

4

MENU

Key Setting when

Using Input Port on

External Mixer Interface Module

321.4

MHz

0

35 dBm

INT EXT

softkeys

in the

Key Setting When

Using Standard RF

Input Ports

300

MHz

0

10 dBm

Verify that the

10. The analyzer is now ready for operation. To meet specications, apply power for one hour

before calibrating.

UNCOR

indicator is not present.

Overview 1-9

Electrical

Cable

Connections

Before

good

CAUTION

Fiber-Optic Cable Connections

WARNING

When

connections be made carefully. Both the front panel tting and the source cable have a

protruding ber-optic tip. Lightwave measurements demand precision mating of awless ber

ends.

CA

making

mechanical

making

UTION

any

measurement,

condition,

To assure proper electrical connection and no connector damage, all APC 3.5

and SMA connectors must be torqued ve to eight inch-pounds. Do not exceed

eight inch-pounds.

To avoid the possibility of damage to your eyes, verify a disabled output

at the light source before any cleaning, connecting, or disconnecting of

optical system components.

measurements

The

following

light

measurements

Exposed

touch

installing

and

ber-optic

an

unprotected

a

be

sure

that

all

electrical cables and connectors are clean, in

properly

with a lightwave signal analyzer, it is important that all ber-optic

precautions

connector

.

tightened.

help

prevent

tips

are

easily

tip

.

This precaution is particularly important when

interface

ber

damage

scratched. Do not allow any object to

and

when making and breaking connections.

and

help

assure

accurate

Never insert any cleaning tool into an optical connector ferrule; this may

cause damage that can aect the optical system.

Do not touch an exposed ber-optic tip. An oily ngerprint requires cleaning

with cleaning solution.

Before any mating of ber-optic tips, clean the tips with special tape to

assure no dust or other particles remain.

In addition to tape cleaning, clean more thoroughly with cleaning solution

as routine maintenance or if measurements reveal a slightly lower than

expected power level or an increase in reection intensity noise.

Always replace the protector caps on any exposed ber-optic tip.

Cleaning Optical Connectors

The Hewlett-Packard cleaning kit, HP 15475A, includes recommended cleaning materials and

instructions for optical connectors

instructions or \Cleaning Dry Connectors" in Appendix C.

.F

or optical connector cleaning information, refer to the kit

1-10 Overview

Making

a

Measurement

Instrument

Execute

into

a

known

analyzer

A

spectrum

normal

available

A

lightwave signal analyzer is also preset to measure the full frequency range with trace A,

using

normal peak detection, and the widest resolution bandwidth available. In addition,

an

optical signal path is selected, 5 dB of optical attenuation is set, and the power meter is

activated.

Refer to the index for a complete listing of the spectrum analyzer and lightwave signal analyzer

preset settings.

On some analyzer models, the instrument-preset key is called

The operation of the two keys is identical.

Measurement Procedure

Measurements involve tuning the instrument to place a signal on the screen, then measuring

the frequency and amplitude of the signal. Measurements can be made with either trace A, B,

or C.

An

input

Preset

the

instrument-preset

state

.

Pressing

and

lightwave

analyzer

peak

detection, 10 dB of input attenuation, and the widest resolution bandwidth

.

signal

can

be

function

the instrument-preset key,

signal

analyzer

is

preset

measured

to

using

at

dierently

measure the full frequency range with trace A, using

the

beginning of measurements to place the analyzer

5

,

.

following

4

INSTR PRESET

four

steps:

4

5

I-P

congures

instead of

a

spectrum

4

INSTR PRESET

5

.

1.

Set

the

span.

2.

Set

the

center

3. Set the amplitude.

4.

A

ctivate

On

all

systems

of

the

display. On models having an HP 70004A color display, the instrument keypad can be

used

interchangeably

Example 1-1.

1. Turn on the spectrum analyzer, then connect the CALIBRATOR output to the RF INPUT.

Note

2. Set the frequency span.

NNNNNNNNNNNNNN

Press

Freq

Note that the

frequency

the marker.

, measurements can be made using the softkeys located on the left and right side

Measure the calibrator signal.

To connect the calibrator signal on a lightwave signal analyzer:

Turn on the analyzer, then connect the CALIBRATOR output to the RF

INPUT on the HP 70810B lightwave section.

Press

RF INPUT) by pressing the

Continue at step 2.

, then press either the

NNNNNNNNNNNNNN

SPAN

.

with the softkeys.

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

select input

softkey is highlighted, and also that

and select the RF signal bypass path (lightwave section

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

IN 2W 70810B

NNNNNNNNNNNNNN

SPAN

softkey or

4

SPAN

softkey.

5

on the instrument keypad.

SPAN

is now displayed in the

Overview 1-11

active-function readout on the left side of the display.To reduce the frequency span to

1 MHz, press

415

and

NNNNNNNNNNN

MHz

.

The step keys,

3. Set the center frequency.

NNNNNNNNNNNNNNNNNNNN

Press

CENTER

center-frequency

set

the

center

4. Set the amplitude.

Place the signal peak at the reference level (top graticule line) for good measurement

accuracy

4

REFERENCE

The step keys or front panel knob can also be used to adjust the reference level. Using the

knob

5. Activate the marker.

To place a marker on the highest peak contained in the trace, press either the

softkey

and

right-hand

.To adjust the signal peak to the010 dBm reference level, press either

is

the

or

the

amplitude

485

(or press

frequency

LEVEL

easiest

4

NORMAL

corner

and

495

, and front panel knob also select function values.

4

CENTER

function,

5

on the instrument keypad and then press

way

to

5

on

the

of

the

of

the

display

5

on the instrument keypad). This activates the

indicated by

to

300 MHz, press

ne-tune the signal peak to the reference level.

instrument

signal

peak

.

CENTER

keypad.

in

the

appearing in the active-function readout. To

5

,

4

3

active-function

4

0

The

,

4

0

marker

,

and

N

NNNN

MHz

.

405,415,405

displays

readout

both

area

, and

and

N

Amptd

NNNNNNNNNNN

dBm

.

N

NNNNNNNNNNNNNNNNNNN

Marker

the

frequency

in the upper

N

NNNNNNNNNNNNNN

or

Use Coupled Functions to Maintain Accuracy Easily

To simplify measurements, some of the analyzer functions are coupled. When the value of a

function changes, it induces a change in any function coupled to it. Coupled functions have

an automatic and manual setting, which appears as

Auto

is underscored.

When functions are uncoupled,

function annotation at the display-screen perimeter. Refer to Figure 1-6 for the location of

each \uncoupled function" asterisk.

To maintain amplitude and frequency accuracy, the resolution bandwidth, video-bandwidth,

and span functions are coupled to the sweep-time function. The resolution bandwidth lter

is the intermediate frequency (IF) lter. The video-bandwidth lter is a post-detection lter

1-12 Overview

Figure 1-5. Calibration Signal

AutoMan

Man

is underscored and an asterisk (*) appears next to the

on the key label. When coupled,

that reduces the amplitude of high-frequency signals (noise). When coupled, the sweep time

changes as the resolution or video bandwidth, or span changes. When uncoupled, the

indicator appears at the right side of the graticule when accuracy is aected by the new

settings.

Limiting the signal level at the mixer input controls accuracy by avoiding gain compression. To

limit signal levels at the input mixer, the input attenuation is coupled to the reference level.

When coupled, the attenuation increases as the reference level increases. The limit can be

changed to increase dynamic range.

UNCAL

The video bandwidth is coupled to the resolution bandwidth, and the resolution bandwidth is

also coupled to the span. Set

the

coupling.

Resolving Closely Spaced Signals

Some measurements require adjustment of the resolution bandwidth (or IF) lter. The spectrum

analyzer traces the shape of its IF lter as it tunes past a signal. Thus, if two equal-amplitude

signals are close enough in frequency, the lter shapes can fall on top of one another and

appear as a single response. If two signals are not equal in amplitude but are still close

together

T

o resolve two signals of equal amplitude, the resolution bandwidth must be less than or equal

to the frequency separation of the two signals.For example, to resolve two signals of equal

amplitude with a frequency separation of 1 kHz, a resolution bandwidth of 1 kHz or less should

be used. Phase noise, seen along the lower skirt of the displayed response, can also aect

resolution.

Viewing Low-Level Signals

Low-level

accessed by

,

the

smaller

signals

N

NNNNNNNNNNNNNNNNNNNNN

BW, Swp

Decrease

the resolution bandwidth is narrowed by a factor of 10. However, to maintain amplitude

accuracy, the sweep time should be set to automatic to activate coupling.

Decrease the video bandwidth (

the

Use video averaging (

amplitude values contained in a sweep with the values obtained in the previous sweep. Since

the video-averaging function processes stored trace data, amplitude accuracy is not aected

by the sweep-time setting.

Reduce the input attenuation (

caution. Signals that are not displayed in narrow spans might still be present at the input.

Reducing the input attenuation increases the signal level to the spectrum analyzer internal

components, which are damaged permanently by 30 dBm levels or greater.For this reason,

0 dB input attenuation can be activated with the numeric keypad only.

the

sweep time should be set to automatic to activate coupling.

signal

hidden

.

resolution

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

VID BW AutoMan

can

be

hidden

by

the

analyzer

N

bandwidth

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

VID AVG On Off

RES

(

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

VID BW AutoMan

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

ATTEN AutoMan

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

and

RES BW AutoMan

under

noise

N

). The video-averaging function averages the

the response of the larger one.

oor

can

be viewed using several functions,all

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

BW

AutoMan

). Reduce the input attenuation with

).

The

noise

). Again, to maintain amplitude accuracy,

to automatic to establish

oor drops 10 dB as

Overview 1-13

Interpreting

The

annotation

on

Measurement

the

display

describes

Results

the

progress

and parameters of your measurements.

Figure

analyzer

Figure

A

description

Common Measurement Indicators

1-6

1-7

.

1-8

describes

of

each

the

annotation

additional

auxiliary

annotation is listed alphabetically, following the related illustration.

that

display

measurement indicators.

is

displayed

annotation

during most measurement procedures.

that

is

unique to a lightwave signal

Figure 1-6. Common Measurement Indicators

Active function

readout

Amplitude scale

1-14 Overview

indicates the currently active function.

species the amplitude value spanning of each major vertical

graticule division.

Attenuation

species attenuation at the spectrum analyzer input. For a lightwave

signal analyzer, the annotation species the optical attenuation, in

optical power units, at the input of the lightwave section. Use the

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

ATTEN

AutoMan

softkey

to change the attenuator setting.

Attenuator uncoupled

Center frequency

Marker

Marker amplitude

Marker frequency

Marker number

Reference

Resolution

uncoupled

Span

level

bandwidth

indicates attenuator is not coupled to reference level. When coupled,

the attenuator changes as the reference level changes to limit signal

levels to the mixer, as specied by

attenuated

damage

indicates frequency at the center of the graticule (or active trace).

measures a point on the active trace.

describes the absolute or relative position of the active marker in

amplitude terms.

describes the absolute or relative position of the active marker in

terms of frequency, time, or period (1/frequency).

displays the number of the active marker.

indicates

Measurements

N

RES

indicates

The frequency range of one major graticule division equals span/10.

to

avoid

N

ATTEN

.

Set

the

absolute

the

3

the

resolution

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

BW

are

AutoMan

the

frequency

amplitude

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

AutoMan

value

dB

bandwidth

inaccurate

to

automatic

spanning

of

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

MAX MXR LEVEL

inaccuracies and spectrum analyzer

to

automatic

the

of

the

when

to

recouple

the

top

resolution

is

UNCAL

to

graticule

not

coupled

is displayed. Set

.

ten

major

. Signals are

recouple

line

.

lters

.

to

span.

horizontal

.

divisions

.

Start frequency

Stop

frequency

Sweep

Sweep time uncoupled

Uncalibrated

Uncorrected

Underscore

Video average counter

time

indicates frequency at left graticule edge (or beginning of active

trace).

indicates

active

indicates

spanning

indicates the sweep time is not coupled to the resolution or video

bandwidth, or span. When coupled, the sweep time changes to yield

optimum accuracy as the resolution or video bandwidth, or span

changes. Measurements are inaccurate when

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

SWPTIME AutoMan

indicates that the displayed amplitude of signal responses are

inaccurate. This occurs when certain analyzer settings are

decoupled. To recouple, adjust the settings for resolution bandwidth,

video bandwidth, and sweep time to automatic (A

appears when the analyzer is not calibrated with its built-in

correction factors.If

routines described in Chapter 2.

indicates the selected state of multi-state functions.

indicates the number of trace values that have been video averaged.

the

trace).

the

frequency

time

horizontal

at the right graticule edge (or end of the

duration of one complete sweep, or the time

scale

when frequency span equals zero.

UNCAL

to automatic to recouple.

uto).

UNCOR

is displayed, execute the calibration

is displayed. Set

Video bandwidth

indicates the 3 dB bandwidth of the post-detection video lters.

Overview 1-15

Video

uncoupled

bandwidth

indicates

bandwidth. When coupled, the video bandwidth changes as the

resolution bandwidth changes to maintain the ratio determined by

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

VBW/RBW RATIO

the video bandwidth is not coupled to the resolution

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

VID BW AutoMan

. Set

to automatic to recouple.

1-16 Overview

Lightwave Signal Analyzer Measurement Indicators

Figure 1-7 illustrates additional annotation that is unique to a lightwave signal analyzer.A

description of each annotation is arranged alphabetically, following the gure. Figure 1-6 and

Figure 1-8 illustrate common analyzer annotation.

Figure 1-7. Lightwave Signal Analyzer Measurement Indicators

Overview 1-17

Manual

indicator

responsivity

indicates

selected. The manual responsivity indicator is an asterisk (*) that is

displayed to the left of the trace annotation.

that manual mode for the responsivity function has been

Power bar

Power meter

annotation

Power meter

readout

P

ower

zeroing indicator

Trace

User

meter

annotation

power

indicator

provides a graphical display of the average optical power measured

by the power meter.

indicates whether the power meter readout is annotated in optical

or electrical units. Either

unit annotation. The units annotation of the power meter is not

coupled to the lightwave trace annotation.

displays

optical

softkeys

is displayed while osets in the power meter are being zeroed either

in automatic or manual mode. The indicator is an asterisk (*) that

is displayed to the right of the power meter annotation. Press the

NNNNNNNNNNNNNN

ZERO

indicates

electrical

respective

trace

indicates that an optical power oset has been entered using the

N

USR

displayed

the

current

dBm,

electrical

to

change

softkey to zero the power meter manually.

whether

units

unit

is

not

coupled

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

PWR

On

to

the

.

Either

annotation.

Off

softkey

left

OPTorELEC

average power meter readout annotated in

dBm,

or watts units. Use the power meter

display annotation.

lightwave

LW

OPT

or

The

to

the

power

.

The

indicator

of

the

power meter readout.

is displayed for the respective

trace

is

LW

units

meter

annotated

ELEC

is

displayed

annotation

annotation.

is an asterisk (*) that is

of

in

the

optical

for the

lightwave

or

1-18 Overview

Auxiliary Measurement Indicators

Figure 1-8. Auxiliary Measurement Indicators

Overview 1-19

Alternate

level

gain compression

if

present, the gain-compression error of signal peaks below

the dashed line does not exceed the gain-compression error

of the mixer-input-level setting (usually about 1 dB for mixer

levels of05 dBm).

Alternate reference level

Amplitude oset

Box

Character set

Data line

Detection mode

Error message

Frequency oset

Function in progress

Message area

Over sweep

when present, supersedes the top graticule line.

indicates the amount of oset added to all amplitude

annotation.

selects the character for transfer to the title line or the data

line. Also marks character for modication in the data line.

provides character entry into the title line or the data line.

is a scratch pad for composing or displaying custom

functions. Also shows data entry for

functions

lights when measurements are made with optional detection

modes.

explains the type of error sensed. Refer to Chapter 6 for a

description

indicates the amount of oset added to frequency

annotation.

lights while some functions execute, such as video averaging.

Also lights when some functions change while the sweep is

progressing.

describes the progress of some functions.

provides faster sweep times, when autocoupled, by allowing

an additional 2% of frequency error and 2 dB of amplitude

error before displaying the uncalibrated indicator (UNCAL).

.

of

system

error

messages

NNNNNNNNNNNNNNNNN

TITLE

.

and

NNNNNNNNNNNNNNNNNNNNNNN

COMMAND

Space

Title

line

1-20 Overview

enters

contains messages composed with

a

space

into

the

title line or data line.

NNNNNNNNNNNNNNNNN

TITLE

.

Interpreting

The

front

panel

indicators

and

provide

warnings

Front-P

monitor

for

hardware

anel

Indicators

the

state

of

failures

and

the analyzer during remote and local control,

operation

errors.

Figure 1-9. Front-Panel Operation Indicators

Overview 1-21

HP-MSIB

if the HP-MSIB indicator (called I/O CHECK on some models)

turns on, inspect all module interconnections for tightness and

then cycle power. If the HP-MSIB indicator remains on, consult

the

HP 70000 Modular Spectrum Analyzer Installation and

Verication Manual

.

Status

HP-IB

Instrument

state

Denotes the active or error state. The active (ACT) indicator lights

whenever analyzer functions are accessed by pressing the

or

4

5

MENU

has sensed an error in that module.To learn the nature of the

error and its source, press

the error code and the module where the error originated. (See

Appendix C for error code denitions.) Press

the normal instrument display.

The display also has active and error indicators,anAandEthat

appear in the upper-left corner (or lower-right corner on some

models) of the display. The active indicator lights when the

4

DISPLAY

sensed

describes

is

applied,

are

indicator

lights depending on the computer instructions. The listen indicator

lights when the analyzer has received instructions or data from the

computer. The talk indicator lights when the analyzer has sent

data or instructions to the computer. The service-request indicator

lights when the analyzer has requested computer service.

describes

lights

during

indicator

UNLOCK indicators usually light when a hardware failure occurs.

If any of these indicators are lit, check all module interconnections

for tightness, then cycle power. If the indicators remains lit, refer

to the troubleshooting instructions in the

Spectrum Analyzer Installation and Verication Manual

key. The error (ERR) indicator lights when the analyzer

4

DISPLAY

5

key is pressed. The error indicator lights when an error is

by the display module.

the

remote-control status of the analyzer. When power

the

analyzer is in local control and the indicators

o.

If the analyzer is addressed by a computer, the remote

lights

and the listen, talk, or service-request indicator

the

as

the

retrace

lights

instrument

analyzer

and

whenever

operating

sweeps

between

the

5,4

state

each

frequency

analyzer

REPORT ERRORS

4

MENU

.

The

MEASURE

band

bands

.

The

is

testing

HP 70000 Modular

itself.

5

and

SELF

4

USER

, which lists

to return to

indicator

blanks

TEST

The

LOOP

.

5

1-22 Overview

Using

The

measurements. With the help of

your design. Use the user softkeys when your measurements require repeated use of the same

functions. The contents of the user-key menu do not change when the analyzer is preset with

the

Presetting the User Softkeys

A preset group of softkeys facilitate the construction of menus for special measurements.To

view the factory-preset user softkeys, press

in Figure 1-10, your menu of user softkeys has been modied.

unprotected custom softkeys and reinstates the preset user softkeys (see following note).

CA

the

user

keys

4

INSTR PRESET

UTION

access

5

K

4

USER

5

key or when power is cycled.

Pressing

instrument contains diagnostics or personalities (such as scalar measurement

softkeys), these softkeys are erased when

ey

a

special

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

PRESET USER

set

of

analyzer functions that are designed to facilitate

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

DEFINE USR KEY

removes unprotected custom softkeys.Ifyour

, you can build a set of user softkeys of

4

5

. If the softkeys do not match those shown

USER

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

PRESET USER

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNN

PRESET USER

eliminates

is pressed.

Example

Press

1-2.

Preset

user-key

4

MENU

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

key control

5

menu.

N

Misc

N

NNNNNNNN

MORE

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

PRESET USER

Figure 1-10. Preset User Softkeys

Creating a Custom Menu of User Softkeys

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

DEFINE USR KEY

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

limit lines

Example 1-3.

Press

draws functions from the

softkey to the user menu as follows:

Transfer an analyzer softkey to the user-key menu.

4

MENU

NNNNNNNNNNNNNN

5

Misc

4

MENU

5

softkeys.For example,addthe

Overview 1-23

N

MORE

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

DEFINE USR KEY

softkeys

NNNNNNNNNNNNNN

Misc

N

limit

4

N

USER

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

NNNNNNNN

NNNNNNNNNNNNNNNNNNNNNNNNNNNNN

key

control

.)

NNNNNNNNNNNNNN

MORE

lines

5

(Accesses the user menu.)

(Species the

(Begins the transfer process and displays the

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

limit

lines

softkey for transfer.)

4

MENU

5

Press any softkey to indicate a spot for the

Figure 1-11 illustrates the location of the

user-softkey menu.

Figure 1-11. Transfer an Analyzer Softkey to User-Softkey Menu

To interrupt the transfer process, press 0 on the numeric keypad.

also be used to remove softkeys individually from the user menu. Softkeys are removed by

replacing them with blank softkeys as shown in example 1-4.

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

limit lines

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

limit lines

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

DEFINE USR KEY

softkey.

softkey in the

may

1-24 Overview

Example 1-4.

Remove a user softkey.

Press

Press the softkey you wish to blank.

Incorporating User-Dened Functions into the User-Softkey Menu

The menu of user softkeys can be congured with user-dened functions that have been stored

in internal memory. User-dened functions are created and stored most eciently with a

computer program sent to the analyzer via HP-IB. Refer to the

Analyzer Programming Manual

modied

Restricting Instrument Operation to User Softkeys

If you wish to restrict analyzer operation to the user softkeys, execute the

programming command via HP-IB, or execute

CA

or

UTION

stored

4

5

USER

Any blank softkey

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

DEFINE USR KEY

HP 70000 Modular Spectrum

. However, user-dened functions can also be created,

using

information

Once

USERLOCK

either by executing the

computer

the

softkeys must be transferred to the user-key menu before

executed, if a computer is unavailable. (See Example 1-3.)

4

MENU

,

or

by

5

key. Since

is

on,

using

from

the

\Programming-Related Softkey Descriptions".

USERLOCK ON

5

N

NNNNNNNNNNNNN

softkeys

the

4

MENU

USERLOCK OFF

N

COMMAND

the

USERLOCK ON

using these front panel controls:

can

be

reenabled

command via HP-IB with the use of a

softkeys

deactivates the

which

are

4

MENU

normally

USERLOCK ON

two

ways

accessed

5

key, the

USERLOCK ON

only

N

NNNNNNNNNNNNNNNNNNN

COMMAND

is

,

with

Example 1-5.

1.

A

dd

the

Caution

2.

Press

3.

Press

characters contained in the alphabet shown on the analyzer display. Press

enter each letter into the data line. As each letter is entered, it appears in the data line at

the bottom of the analyzer screen. (The character for \space" is located after

4.

After

USERLOCK ON

To reactivate the

computer program. Use the step-up key,

For additional information, see \User-Dened Softkey Descriptions" and \Programming-Related

Softkey Descriptions" in Chapter 3.

Disable the

N

NNNNNNNNNNNNNNN

N

COMMAND

above

.)

5

.

4

USER

NNNNNNNNNNNNNNNNNNNNNN

N

COMMAND

USERLOCK ON

,

then

function.

4

MENU

4

5

MENU

softkey

spell

is entered into the data line, press

5

key, execute

softkey.

to

the user menu, following the procedure in Example 1-3. (See

out

USERLOCK

USERLOCK OFF

ON by positioning the cursor underneath the

using the preceding procedure or a

5

to position the cursor at the end of the data line.

4

8

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

ENTER COMMAND

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

SELECT CHAR

Z

.)

to execute the

to

Overview 1-25

Using

The

instrument in the analyzer system. Display operation is described in documentation for the

HP 70004A color display, HP 70205A graphics display, and HP 70206A system graphics display

displays. Some commonly used features are described here for your convenience.

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

DISPLAY PRESET

user

N

instrument in the system. If the analyzer is the only instrument in the system,

accesses the analyzer.

NNNNNNNNNNNNNNNNN

PRINT

connected to the display HP-IB port.

NNNNNNNNNNNNNN

PLOT

connected to the display HP-IB port.

N

REPORT

lists the name and HP-MSIB address of the module that produced the error.Todisplay

measurement results again, press

descriptions.

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

display tests

version).

dot-generator

N

INTEN

intensity.

the

4

DISPLA

4

DISPLAY

N

NNNNNNNNNNNNNNNNNNNNNNNNN

N

5

softkeys control the functions of the display module, which is a separate

softkeys

INSTR

reproduces the displayed results on a peripheral, vector-type plotter,whenitis

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

NNNNNNNNNNNNNNNNNNNNNNNNNN

to

(select

in the system, one at a time. Each press of

reproduces displayed results on a peripheral, raster-type graphics printer when it is

ERRORS

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

display

Press

release

ADJUST

5

K

ey

Y

sets the format of the display to its preset state and assigns the

the

last

instrument

instrument)

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

NEXT INSTR

lists

the

code

accesses display diagnostics and identies the display rmware (ROM

tests

number.

adjusts

the

intensity

in the system that displayed measurement results.

links

the display and front panel controls with each

does not access the display.

and description of any operation or hardware error,and

4

5or4

MENU

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

DISPLAY

,

of

the

5

USER

ID

to

display

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNN

. See Appendix D for error-code

view

the

display

. Press the key, then turn the knob to vary

accesses the next

rmware

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

NEXT INSTR

version

4

MENU

and

5

and

The color of the elements of the analyzer display, such as the graticule or the annotation, can

be

varied

to access them.

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

BACKGROUND

NNNNNNNNNNNNNNNNNNNNNNNNNNNNN

GRATICULE

NNNNNNNNNNNNNNNNNNNNNNN

TRACE A

NNNNNNNNNNNNNNNNNNNNNNN

TRACE B

NNNNNNNNNNNNNNNNNNNNNNN

TRACE C

NNNNNNNNNNNNNNNNN

LINES

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

TITLE/ACTIVE

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

ANNOTATION

NNNNNNNNNNNNNNNNNNNN

ADVISE

NNNNNNNNNNNNNNNNNNNN

ERRORS

1-26 Overview

by

pressing

(for limit lines)

(for advisory messages)

(error messages)

any of the following keys. Press

4

DISPLAY

N

adjust

5

,

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

color

N

,

N

edit

N

NNNNNNNNNNNNNNNNNNNNNNNN

color

N

NNNNNNNNNNNNNNNNN

MARKERS

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

KEY LABELS

The

above

N

NNNNNNNNNNNNNN

N

HSL/RGB

N

NNNNNNN

HUE

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

SATURATION

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

LUMINOSITY

N

NNN

RED

NNNNNNNNNNNNNN

BLUE

NNNNNNNNNNNNNNNNN

GREEN

softkeys

.

The

access the following color-editing softkeys, depending on the setting of

HP

70004A

Color

Display User's Guide

describes their operation.

Overview 1-27

A

ccessing

Custom,

User-Dened

Functions

Unique

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

ENTER COMMAND

internal memory.To view functions stored in internal memory, press

Stored functions are listed along the right side of the display. Press the softkeys to execute

each function.

functions

N

NNNNNNNNNNN

MENU

NNNNNNNNNNNNNN

Misc

NNNNNNNNNNNNNN

MORE

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

execute

DLP

can

be

stored

. Functions and personalities can also be loaded from the memory card into

(execute \down-loadable" program)

in

internal

memory

with computer programs or

1-28 Overview

A

ccessing

the

Memory

Card

Memory

HP

Insert

the card (2 cm) is exposed. Improper insertion can produce error messages.

cards

70004A

the

color

card

are

display

with

available

or

the

arrow

for

external

connected

facing

memory

to

it

up

into the slot. When correctly installed, a portion of

when

via HP-MSIB.

the analyzer is installed in the

Figure 1-12. Inserting the Memory Card

The memory card requires power. Items stored in the memory card remain as long as the

card has sucient power. The HP 70004A color display provides power to the card when it

is installed. The HP 70004A color display supplies power to the memory card only when the

display is turned on. When the card is removed or the display is turned o, power is supplied

by a battery within the memory card.

Change the memory-card battery every two years. On new cards, the time of installation is

engraved on the side of the card. The rst digit refers

refer to the month, and the last digit refers to the week. F

battery was installed during the third week of October in 1993.

To change the battery

1. Install the memory card into the HP 70004A color display.

2. Locate the groove of the battery clip at the front edge of the card.

3. Gently pry the battery clip out of the card. The battery ts inside the clip.

4. Replace the battery, making sure the plus (+) sign on the battery is on the same side as the

plus sign on the clip.

5. Insert the battery clip into the memory card, holding the clip as oriented in the following

gure.(Face the open edge of the clip toward the write-protect switch on the memory

card.)

, follow this procedure:

to the year. The next two characters

or example, 3OC3 indicates the

Overview 1-29

6. Write the date that the battery was replaced on the memory-card label, to remind you when

the battery should be replaced.

CAUTION

Formatting a Memory Card

New

memory

format used memory cards, but note that the

Follow this procedure:

1. Insert the memory card.

2. Specify the location of the memory card. If the card is in the HP 70004A color display, press

3.

CA

cards

NNNNNNNNNNNNNN

Misc

,

N

NNNNNNNNNNNNNNNNNNNNNNNNNNN

HP-MSIB

2

32).

N

FORMAT

Press

UTION

N

Memory

battery

all

before

cards

with the logical-interchange-le (LIF) format.

NNNNNNNNNNNNNN

MORE

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

HP-MSIB

,

CARD

,

N

NNNNN

N

FORMAT

select the desired memory before executing

selected automatically when power is applied.

cards

must

be

installed

is

removed.

. If the battery is removed while the card is not installed in the display,

data in the memory card is lost. Store memory-card les on another device

changing the battery, when extra care is appropriate.

need

to

be formatted before use. Use the

CARD

then

enter

N

NNNNNNNN

erases

Be

sure

.

If

the

card

its

HP-MSIB address (that is, the column address + row address

the

contents

in an HP 70004A color display when the

the display is turned on before removing the

N

NNNNNNNNNNNN

N

FORMAT

N

NNNNNNNNNNNNNNNN

FORMAT

formatting process destroys all stored data

is

in

of

another

the

currently

HP-MSIB

selected memory. Be sure to

NNNNNNNNNNNNNNNNNNNN

FORMAT

softkey

can

device

. Internal memory is

to

format

also be used to

NNNNNNNNNNNNNN

press

Misc

,

new

.

NNNNNNNNNNNNNN

MORE

,

1-30 Overview

Softkey Menu Maps

2

The following softkey menus are accessed by pressing the

softkeys located along the left side of the display. The menu softkeys are displayed as separate

menu pages. Press the

Table 2-1 summarizes the functions accessed by each of the top-level

Table 2-1. Function Categories Accessed by Top-Level Keys

Top-Level

Menu

Softkeys

NNNNNNNNNNNNNN

Freq

NNNNNNNNNNNNNNNNN

Amptd

N

Marker

N

BW,Swp

N

Traces

N

NNNNNNNNNNNNNNN

State

NNNNNNNNNNNNN

N

Misc

N

NNNNNNNNNN

N

NNNNNN

NNNNNNNNNNNNNN

MORE

softkeys to access additional menu pages.

Instrument Function Categories

Frequency

Amplitude

meter

NNNNN

Lightwave

Measurement

Bandwidth

processing

Instrument

processing

External mixer, Instrument state,Memory, Preamplier,

Preselector, Signal path selection, Tracking generator and

source

Amplitude correction, Display, Limit lines, Memory,

Programming, Service, User denition

selection,

markers

range

selection,

state

,

Memory

Preselector

Calibration,

,

Marker

adjustment,

Sweep

,

4

MENU

,

Signal

Lightwave

annotation,

Marker

and

trigger

Signal

detection,

5

key and then pressing the

4

5

MENU

identication

Marker

utility

selection,

Trace

keys.

mode

,

positioning,

Trace

P

ower

The

softkey

softkeys on the left side of the display, reading from the top softkey to the bottom softkey.

menu

illustrations

in

this chapter are arranged in the same sequence as the

Softkey Menu Maps 2-1

aaaaaaaaaaaaaaaaaaaaaa

Freq

Softkey

Menu

* Softkey is absent when a lightwave signal path (L

menu. See the

y

Softkey is present only if the system includes a module with preselector capabilities.

z

Softkey is present only if an HP 70908A RF section is installed in the system.

2-2 Softkey Menu Maps

??????????

State softkey menu map.

Figure 2-1.

W) for an HP 70810B lightwave section is selected from the select input softkey

NNNNNNNNNNNNNN

Freq

Softkey Menu Map

aaaaaaaaaaaaaaaaaaaaaaaaaa

Amptd

Softkey

Menu

N

Amptd

NNNNNNN

Softkey

Menu

????

?????????????????????????????

?

*

LINEAR Vlt Pwr is replaced by the

????????????????????????????????????

?

the

LW MODE OptElec softkey.

y

Softkey is deleted when the optical mode for a lightwave signal path (L

z

Softkey is present only if the system includes a module with power meter capabilities, such as the HP 70810B lightwave section.

x

Softkey is present when a lightwave signal path (LW) is selected from the select input softkey menu. See the

menu map.

k

Softkey is absent when a lightwave signal path (LW) is selected from the select input softkey menu. See the

map.

# Softkey is present when the electrical mode for a lightwave signal path (LW) is selected with the

????

???????????

?

LINEAR softkey when the optical mode for a lightwave signal path (L

W) is selected with the

Figure 2-2.

NNNNNNNNNNNNNNNNN

Amptd

Softkey Menu Map

W) is selected with

????????????????????????????????????

?

LW MODE OptElec softkey

??????????

State softkey

??????????

State softkey menu

?????????????????????????????????????

LW MODE OptElec softkey.

Softkey Menu Maps 2-3

.

aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa

Marker

Softkey

Menu

?????????????????????????????????

?

SIG TRK On O is replaced by

*

softkey menu. See the

?????????????????????????????????

y

MINIMUM POINT is replaced by

softkey menu. See the

2-4 Softkey Menu Maps

??????????

State softkey menu map.

??????????

State softkey menu map.

?????????????????????????????????

?

RIN SYS On O when a lightwave signal

????????????????????????????????????

REL PWR On O when a lightwave signal path (L

Figure 2-3.

NNNNNNNNNNNNNNNNNNNN

Marker

Softkey Menu Map

path (LW) is selected from the select input

W) is selected from the select input

aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa

BW,Swp

Softkey

Menu

N

NNNNNNNNNN

BW,Swp

Softkey

Menu

Figure 2-4.

NNNNNNNNNNNNNNNNNNNN

BW,Swp

Softkey Menu Map

Softkey Menu Maps 2-5

aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa

Traces

Softkey

Menu

??????????????????????????????????????

* If the

y

z

2-6 Softkey Menu Maps

?

VIEW A BLANK A softkey is present, press

??????????????????

?

STORE A softkey is replaced by

These softkeys are only available after pressing

?

??????????????????????????????????????

?

VIEW A BLANK A when

Figure 2-5.

CLEAR WRT A to return the

????????????????????????????????

?

3-DIMEN On O .

NNNNNNNNNNNNNNNNNNNN

Traces

??????????????????????????????

??????????????????

?

STORE A is pressed.

Softkey Menu Map

??????????????????

?

STORE A softkey.

aaaaaaaaaaaaaaaaaaaaaaaaaa

State

Softkey

Menu

N

State

NNNNNNN

Softkey

Menu

* The softkey is present only if there are multiple input signal paths available. The number of signal path inputs displayed after

pressing the softkey is dependent on the number of RF and lightwave modules installed in the system.

y

The model number for each module is displayed below the input signal designation. The menu illustrates the input signal

modules from a HP 71400C lightwave signal analyzer.

z

Two inputs are displayed for each HP 70810B lightwave section that is installed in the system. TheW input is displayed below

the lightwave (L

???????????????????????????????????

IN 2W 70810B are replaced by

x

Softkey is present only if the system includes a module with preselector capabilities

k

Softkey is present only if the system includes a module with tracking generator capabilities.

W) input. When an HP 70910A RF section is in the system, the softkeys

Figure 2-6.

??????????????????????????????????

IN 1 RF 70910A and

NNNNNNNNNNNNNNNNN

State

Softkey Menu Map (1 of 5)

???????????????????????????????????

IN 2 EM 70910A .

???????????????????????????????????

IN 1 L

.

W 70810B and

Softkey Menu Maps 2-7

N

NNNNNNN

State

Softkey

Menu

* The softkey is present only if there are multiple input signal paths available. The number of signal path inputs displayed after

pressing

the

softkey

is

dependent on the number of RF and lightwave modules installed in the system.

x

Softkey is present only if the system includes a module with preselector capabilities.

k

Softkey is present only if the system includes a module with tracking generator capabilities.

Figure 2-7.

2-8 Softkey Menu Maps

NNNNNNNNNNNNNNNNN

State

Softkey Menu Map (2 of 5)

N

State

NNNNNNN

Softkey

Menu

* The softkey is present only if there are multiple input signal paths available. The number of signal path inputs displayed after

pressing the softkey is dependent on the number of RF and lightwave modules installed in the system.

x

Softkey is present only if the system includes a module with preselector capabilities.

k

Softkey is present only if the system includes a module with tracking generator capabilities.

# Softkey is present only if the system includes a tracking generator module with modulation capabilities.

Figure 2-8.

NNNNNNNNNNNNNNNNN

State

Softkey Menu Map (3 of 5)

Softkey Menu Maps 2-9

N

NNNNNNN

State

Softkey

Menu

* The softkey is present only if there are multiple input signal paths available. The number of signal path inputs displayed after

pressing

the

softkey

is

dependent

y

The model number for each module is displayed below the input signal designation. The menu illustrates the input signal

modules from a HP 71400C lightwave signal analyzer system.

z

Two inputs are displayed for each HP 70810B lightwave section that is installed in the system. TheW input is displayed below

the lightwave (L

???????????????????????????????????

IN 2W 70810B are replaced by

x

Softkey is present only if the system includes a module with preselector capabilities

k

Softkey is present only if the system includes a module with tracking generator capabilities.

** Softkey is present only if the system includes a preamplier module

yy

Softkey is present only if the system includes an HP 70700A digitizer.

zz

Softkey is present only if an HP 70908A RF section is installed in the system.

2-10 Softkey Menu Maps

W) input. When an HP 70910A RF

Figure 2-9.

on

the number of RF and lightwave modules installed in the system.

???????????????????????????????????

??????????????????????????????????

IN 1 RF 70910A and

section is in the system, the softkeys

NNNNNNNNNNNNNNNNN

State

Softkey Menu Map (4 of 5)

???????????????????????????????????

IN 2 EM 70910A .

.

IN 1 L

.

W 70810B and

N

State

NNNNNNN

Softkey

Menu

zz

Softkey

is present only if an HP 70908A RF section is installed in the system.

xx

Pressing this softkey causes all display links to be broken. To establish new display links, press

Figure

2-10.

NNNNNNNNNNNNNNNNN

State

Softkey

Menu

Map

(5

of 5)

4

DISPLA

5

and

4

INSTR

5

.

Softkey Menu Maps 2-11

aaaaaaaaaaaaaaaaaaaaaa

Misc

Softkey

Menu

?????????????????????????

* When

y

2-12 Softkey Menu Maps

?

DELETE or

Pressing softkey provides a sequence of three editing functions. Press

?????????????????????????

Press

INSERT or

... softkey is present,

... to access the delete editing function. Press

Figure 2-11.

????????????????????????????

?

SELECT CHAR is replaced by

??????????????????????????

DELETE or

NNNNNNNNNNNNNN

Misc

Softkey Menu Map (1 of 2)

?????????????????????????????

?

DELETE CHAR .

????????????????????????????

REPLACE or... to access the insert editing function.

... to access the replacement editing function.

N

Misc

N

NNNN

Softkey

Menu

?????????????????????

z

If a limit value is entered,

x

???????????????????????????

Press

DELETE ALL to return to the

enter limit is replaced by

Figure 2-12.

???????????????????

NNNNNNNNNNNNNN

Misc

edit limit .

Softkey Menu Map (2 of 2)

?????????????????????

enter limit softkey.

Softkey Menu Maps 2-13

3

SoftKey Quick Reference

The following tables show the softkeys that can be accessed by each of the seven top-level

softkeys that appear on the left side of the display when

Generally, a softkey that is displayed in inverse video indicates that the function is enabled.

When an active function is enabled, it is always displayed in inverse video. The use of an

underline within a softkey display indicates that a specic functional state for the softkey is

selected.

Refer to \Functional Grouping Denitions" for detailed descriptions of each functional grouping

in the following tables.

4

MENU

5

is pressed.

SoftKey Quick Reference 3-1

Table 3-1. SoftKey Quick Reference, Organized by Function

Menu

K

ey

A

ctive-Trace

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

3-DIMEN On Off

NNNNNNNNNNNNNNNNNNNNNNN

A

XCH

NNNNNNNNNNNNNNNNNNNNNN

N

A XCH C

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

A6(A0B)0C+DL

N

A

NNNNNNNNNNNNNNNNNNNNNNNNNN

A6A0B+DL

N

A

NNNNNNNNNNNNNNNNNNNNNNNNNN

A6A0C+DL

NNNNNNNNNNNNNNNNN

A6A0C

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

A

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

A6A*DL/(A+B+C)

N

NNNNNNNNNNNNNNNNNNNNNNNNNN

A6A*DL/B)

N

NNNNNNNNNNNNNNNNNNNNNNNNNN

N

A6A*DL/C)

N

A

N

A-B+DL

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

A-B->A On Off

N

A<-A+B

NNNNNNNNNNNNNNNNNNNNNN

N

B

NNNNNNNNNNNNNNNNNNNNNNN

B<-B-DL

N

NNNNNNNNNNNNN

C<-B

NNN

CLEAR WRT A

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

CLEAR WRT B

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

CLEAR WRT C

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

HORZ OFFSET

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

LINES On Off

B

N

NNNNNNNNNNNNNNNNNNNNNNNNNN

6

(A0B)0C

N

NNNNNNNNNN

6

A

0

B

6

A*DL/(A+B)

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

6

DL*(A+B)/C)

N

NNNNNNNNNNNNNNNNNNNNNNNNNNN

N

NNNNNNNNNNNNNNNN

XCH

C

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

Processing Functions

On

Off

Denition

Turn on or o the three-dimensional trace display capability.

Exchanges

Exchanges the contents of the trace A and C registers.

Performs trace math (A0B)0C+DL7A with each sweep.

P

erforms

Performs trace math A0B+DL7A with each sweep.

P

erforms

Performs trace math (A0C)+DL7A with each sweep.

Performs trace math A0C7A with each sweep.

P

erforms

Performs trace math A*DL/(A+B+C)7A with each sweep.

Performs trace math A*DL/B7A with each sweep.

Performs trace math A*DL/C7A with each sweep.

P

erforms

Subtracts

the

display

Subtracts trace B from trace A point by point, then stores the

results in trace A.

Adds traces A and B point by point, then stores the results in trace

A.

Exchanges

Subtracts the value of the display line from trace B, then stores the

result in trace B.

Stores the results of trace B in trace C.

Continuously displays any signals detected at the spectrum

analyzer input for the related trace.

Continuously displays any signals detected at the spectrum

analyzer input for the related trace

Continuously displays any signals detected at the spectrum

analyzer input for the related trace.

Select the horizontal oset of the three-dimensional trace display.

Changes the appearance of displayed trace information.

the

contents

trace math (A0B)0C7A with each sweep.

trace

math

trace

math

trace

math

trace

B

from

line

,

and

the

contents

of

the

trace

A

and

B

registers.

A

0B7

A with each sweep.

A*DL/(A+B)

DL*(A+B)/C7A with each sweep.

trace

then

stores

of

the

A

7

point

the

trace

A

with

by

results

B

.

each

point,

in

and

C registers.

sweep

adds

trace A.

.

the value of

3-2 SoftKey Quick Reference

Table 3-1. SoftKey Quick Reference, Organized by Function (continued)

Menu Key Denition

Active-Trace Processing Functions | Continued

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

MAX

HOLD A

N

NNNNNNNNNNNNNNNNNNNNNNNN

N

MIN

HOLD

A

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

PERSIST

NNNNNNNNNNNNNNNNNNNNNNN

STORE A

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

TRACE LENGTH

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

VERT OFFSET

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

VID

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

VIEW A BLANK A

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

oneshot

N

trace

N

trace

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

trace logmath

On

AVG

On

math

N

NNNNNNNNNNNNNNNNNNNNNN

A

B

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNN

C

linmath

Off

Compares

each

then

Compares

each

then

Simulates

trace

Stops the updating of the Trace A, stores the trace data in reserved

memory, then activates the

Varies the number of points in a trace from 3 to 1024.

Select the vertical oset of the three-dimensional trace display.

Executes

level,

analog

Selects two functions. When set to view, stored trace data is

displayed. When set to blank, stored trace data is blanked from

the display, but remains in reserved memory. Trace B and Trace C

have a corresponding view and blank softkey function.

A

ccesses

Selects

A

ccesses

Accesses log math active-trace processing function softkeys.

the current amplitude value of each point on a trace to

corresponding value detected during the previous sweep,

retains the maximum values.

the

current

corresponding

retains

information.

but

the

analog

a

digital-averaging

does

not

characteristic

oneshot math active-trace processing function softkeys.

the

active

linear

math

amplitude

value

minimum

displays

aect

of

the

trace

for

active-trace

detected

by

the

value

of each point on a trace to

during

values.

changing

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

VIEW A/BLANK A

routine

sweep

analyzer

the

trace-processing

the

that

reduces

time

,

.

processing

the previous sweep,

appearance

softkey.

bandwidth,

functions

function

the

noise-oor

or

softkeys.

of

displayed

any

.

other

SoftKey Quick Reference 3-3

Table 3-1. SoftKey Quick Reference, Organized by Function (continued)

Menu Key Denition

Amplitude Functions

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

A

METER On Off

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

A UNITS AutoMan

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

AMP

REF

OFFSET

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

AMPCOR On Off

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

ATTEN

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

CPL AVG On Off

N

INPUT

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

LINEAR

NNNNNNNNNNNNNNNNNNNN

LINEAR

N

LOG

N

MAX

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

MAX MXR LEVEL

N

REF LVL POSN

NNNNNNNNNNNNNNNNNNNNNNN

REF

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

STP GAIN AutoMan

NNNNNNNNNNNNN

N

VOLT

NNNNNNNNNNNNNN

WATT

NNNNNNNNNNNNNN

dBV

NNNNNNNNNNNNNN

dBmV

NNNNNNNNNNN

dBm

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

units menu

AutoMan

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNN

IMPED

Vlt

N

NNNNNNNNNNNNNNNNNNNNNNNNN

dB/DIV

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNN

IN

AutoMan

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

LVL

Pwr

Enables

Selects default amplitude units.

Allows

relative-amplitude

Applies amplitude correction at specied frequencies.

V

aries

Controls the coupling between VAVG and PWRAVG.

Species

port.

Places

units

Places the analyzer in linear power mode, scaling the graticule in

linear

Scales

division.

Species

analyzer

Species the maximum signal level at the mixer input.

Repositions the reference level on any of the major graticule lines

during logarithmic mode.

Species

Controls the rst step gain in the signal path.

Allows the amplitude readout annotation for the reference level,

marker, display line, and threshold to be changed to volts.

Allows the amplitude readout annotation for the reference level,

marker, display line, and threshold to be changed to WATTs.

Allows the amplitude readout annotation for the reference level,

marker, display line

Allows the amplitude readout annotation for the reference level,

marker, display line, and threshold to be changed to dBmV.

Allows the amplitude readout annotation for the reference level,

marker, display line, and threshold to be changed to dBm.

Provides an amplitude readout selection menu.

readout of currently updated trace point.

the

displayed

either RF input attenuation or optical input attenuation.

the

value

the

analyzer in linear mode, scaling the graticule in linear

proportional

units

proportional

the

graticule

the

maximum

input

during

the

absolute-amplitude

power

oset

value

of

input

to the input voltage or input power.

to

in logarithmic units from 0.01 to 20 dB per

expected

a

given

, and threshold to be changed to dB

level

to

be

adjusted,

,

specied

impedance expected at the active input

the

input

signal

measurement

value

by

power

level

of

the

using a

the

user

.

to

the

procedure

graticule

.

spectrum

.



V.

3-4 SoftKey Quick Reference

Table 3-1. SoftKey Quick Reference, Organized by Function (continued)

Menu Key Denition

Amplitude-Correction Functions

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

AMPCOR

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

AMPCOR -> UPPER

N

LOWER->

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

UPPER-> AMPCOR

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

lim <-> ampcor

-> LOWER

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

AMPCOR

Stores

Stores amplitude correction values as a upper limit line.

Stores

specic

Stores an upper limit-line as amplitude correction values for a

specic frequency range.

Accesses the softkeys that allow modication of user-dened

amplitude-correction values, using the limit-line functions.

amplitude correction values as a lower limit line.

a

lower-limit

frequency

line

range

as

.

amplitude

correction

values

for a

Bandwidth

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

RB/SPAN RATIO

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

RES BW AutoMan

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

TRIGGER

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

VBW

CPL

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

VBW/RBW RATIO

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

VID

BW AutoMan

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

VID

LIN

Functions

DELAY

Rx

SA

On

Off

Species the ratio between the resolution bandwidth and span

settings.

Species the width of the resolution bandwidth lter and controls

the coupling between the resolution bandwidth and span settings.

Controls

ADC.

Controls

Species the ratio between the video and resolution bandwidths

that is maintained when their settings are coupled.

Species

coupling

lter settings.

Controls

the

trigger

the

value

the width of the video-bandwidth lter and controls the

between the resolution bandwidth and video-bandwidth

the

video

delay

of

the

trigger

or pre-trigger for the currently selected

receiver

display

mode

lines

ag.

.

SoftKey Quick Reference 3-5

Table 3-1. SoftKey Quick Reference, Organized by Function (continued)

Menu Key Denition

Calibration Functions

N

NNNNNNNNNNNNNNNNNNN

N

CAL

ALL

NNNNNNNNNNNNNNNNNNNNNNNNNN

CAL GAIN

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

CAL LOGAMP

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

CAL RES BW

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

CAL SRC INT EXT

N

NNNNNNNNNNNNNNNNNNNNNNNN

CAL

VID

BW

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

FLATCAL On Off

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

FREQ

FOR

CAL

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

GAINCAL On Off

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

LOG

CAL

On

Off

N

POWER

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

RBW AMP On Off

N

RBW FREQ On Off

N

SYS

N

VBW

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

cal enable

NNNNNNNNNNNNNNNNNNNNNNNNNN

cal menu

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

cal

NNNNNNNNNNNNNNNNNNNNNNNN

FOR

CAL

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

COR

N

AutoOff

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

AMP

On

Off

src values

Executes

Corrects errors in the step gain ampliers in the IF section and the

attenuator in the RF or preselector section.

Corrects errors in the logarithmic ampliers in the IF section.

Corrects amplitude and frequency anomalies in the resolution

bandwidth lters in the IF section.

Switches between an internal or external calibration reference.

Corrects

bandwidth

Disables the correction factors that compensate for

frequency-dependent gain variations in the RF section.

Species

Disables the correction factors that compensate for errors in the

attenuator.

Disables

logarithm-amplier

Species

Disables the amplitude-correction factors to the local oscillator.

Disables the frequency-correction factors to the local oscillator.

Enables

Disables

Accesses softkeys that control the usage of the system correction

factors.

Accesses the system calibration softkeys.

A

ccesses the internal or external calibration source softkeys.

a calibration routine that applies all correction factors.

amplitude

lters

the

frequency

the

correction

the

power

system

the

amplitude-correction

and

in

the

errors

of

specic

frequency

IF

of

factors

the

amplitude-correction

anomalies

section.

the

calibration

that compensate for

in

the

IF section.

calibration

reference

factors

in

the video

reference

to

the local oscillator.

.

factors

.

3-6 SoftKey Quick Reference

Table 3-1. SoftKey Quick Reference, Organized by Function (continued)

Menu Key Denition

Display Functions

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

ANOTATN

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

DSP LIN On Off

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

ENTER LINE

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

GRAT

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

GRATSCR On Off

N

NNNNNN

HOLD

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

LABEL Y On Off

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

LOCKOUT

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

THRESHD

N

NNNNNNNNNN

TITLE

N

grat

On

N

NNNNNNNNNNNNNNNNNNNNNNN

control

On Off

Off

ANOTATN

On

Off

Turns

Positions a horizontal line, called a display line, anywhere on the

graticule.

Enters the text created by the user in the \TITLE" entry window

into the title display line at the top of the display.

Turns

Controls the positioning of the displayed horizontal graticule lines.

Blanks

keypad,

activated.

Controls the display of annotation for the horizontal graticule.

Turns

Blanks

threshold

A

in the title line.

A

the displayed annotation on and o.

the

ccesses

graticule

the

active

knob

displayed

all

displayed

level

a

set of editing-function softkeys that display a message

the

graticule

,

and

without

on and o.

function

step

keys

annotation

trace

altering

control

readout

information

and

disables the numeric

until another analyzer function is

o.

stored

softkey

below

functions

trace

an

amplitude

data.

.

SoftKey Quick Reference 3-7

Table 3-1. SoftKey Quick Reference, Organized by Function (continued)

Menu Key Denition

External-Mixer Functions

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

BIAS

ADJUST

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

BIAS On Off

N

NNNNNNNNNNNNNNNNNNNNNNNNN

BIAS

PK

MAX

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

BIAS PK MIN

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

BIAS PK RES

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

BIAS PK START

NNNNNNNNNNNNNNNNNNNNNNNNNNNNN

CONV LOSS

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

LOCK H# On Off

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

LOCK HARMNC#

N

NNN

bias

NNNNNNNNNNNNNNNNNNNNNNNNNNNNN

ext

mixer

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

fulband

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

fulband

KAQUVE

WFDGYJ

A

ctivates a bias current that is specied with the numeric keypad.

Activates the softkey functions that control the bias current.

Sets

the

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

BIAS PK START

Sets the lowest possible bias current available to the

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

BIAS PK START

Determines the number of possible bias currents that are available

within a specied range.

Peaks the conversion gain for the signal marked by the active

marker.

Osets the reference level to compensate for amplitude losses at

the

Turns the lock harmonic number function on and o.

Limits the frequency range to the frequency band that corresponds

to the harmonic number, as shown in Table 4-3 .

A

ccesses

A

ccesses

Species

external

Species

external mixers.

highest

active

bias

the

mixers

the

possible

softkey.

input

port.

adjustment

external-mixer

frequency

.

frequency range for measurements made with

bias

softkeys

range

current

for

softkey

for

measurements

available

an

external mixer.

functions

.

to

made

the

with

3-8 SoftKey Quick Reference

Table 3-1. SoftKey Quick Reference, Organized by Function (continued)

Menu Key Denition

Frequency Functions

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

BNKSTRT

NNNNNNNNNNNNNNNNNNNN

CENTER

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

CF STEP AutoMan

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

FREQ

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

FRQ LIM On Off

N

NNNNNNNNNNNNNNNNNNNNN

FULL

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

LIMIT START

NNNNNNNNNNNNNN

SPAN

N

NNNNNNNNNNNNNNNN

START

N

NNNNNN

STOP

On Off

OFFSET

SPAN

Blanks

calculated

Species

Is used with the

frequency by increments called steps.

Osets

Enables measurements beyond 22 GHz.

Sets

the

Disables the blank start function and sets the start frequency to

either a value eight times the resolution bandwidth or 100 kHz,

whichever

Changes

center

Sets the start frequency.

Sets

all displayed trace information for frequencies prior to a

frequency point.

the

measurement

system.

the

frequency

the

stop

center

value

is

greater

analyzer

frequency

485

and

495

of absolute frequency annotation.

range

.

measurement

.

step keys to change the center

to

the

maximum frequency range of

range

symmetrically

about

the

Instrument-State

NNNNNNNNNNNNNNNNNNNN

CONFIG

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

EXTEND STATE

NNNNNNNNNNNNNNNNNNNNNNNNNNNNN

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

NO. OF STATES

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

P STATE On Off

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

POWERON IP LAST

NNNNNNNNNNNNN

NNNNNNNNNNNNNNNNNNNNNNNNN

RECALL STATE

NNNNNNNNNNNNNNNNN

STATE

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

TRACE PRESET

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

preset adc

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

preset input

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

show states

Functions

Describes the placement of each module in the system by column

and row number.

Lists module-level parameters and current values for each module

of the instrument.

Provides

Adds or deletes state-register les and their contents from user

memory.

Protects the contents of all state-register les.

Species the instrument state when the instrument is turned on.

Recongures the analyzer into a state that has been saved in a

state-register le

Lists the current state of system-level parameters under operator

control.

Resets the trace functions to a known state without aecting the

analyzer measurement range.

Species whether internal or external analog-to-digital processing

is active after instrument preset is executed.

Determines which input port is active after instrument preset is

executed.

Accesses the softkeys that provide the current instrument-state

information.

view

of

page

of

information.

SoftKey Quick Reference 3-9

Table 3-1. SoftKey Quick Reference, Organized by Function (continued)

Menu Key Denition

Lightwave Functions

N

NNNNNNNNNNNNNNNN

N

LAMBDA

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

LW MODE OptElec

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

RSPSVTY AutoMan

Limit-Line Functions

N

NNNNNNNNNNNNNNNNNNNNNNNNNNN

AMPTD

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

BEEPER On Off

N

BLANK TRACES

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

CONFIRM DELETE

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

DELETE ALL

N

DELETE

N

FREQ

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

LAST SEGMENT

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

LIMITS On Off

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

RELATIV On Off

NNNNNNNNNNNNNN

TYPE

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

UPPER/LOWER

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

edit limit

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

enter limit

VALUE

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

SEGMENT

N

NNNNNNNNNNNNNNNNN

VALUE

SEGMENT

Selects

Selects either optical units or electrical units for the signal trace

when a lightwave signal path is selected.

Allows manual entry of a responsivity value for the lightwave

section.

Moves

Compares the amplitude values of the active trace to the

parameters listed in the limit-line table.

Stops the display of any active trace (trace A, B, or C).

Erases the contents of the limit-line table after

been

Erases the contents of the limit-line table and prepares it for new

data entry.

Erases

table

Moves

Moves the entry window to the next row in the limit-line table,

and species that the parameters in that row constitute the last

line segment in the limit line.

Compares the amplitude values of the active trace to the

parameters listed in the limit-line table.

Moves

Species whether the parameters in the limit-line table represent

absolute amplitude and frequency values or are values relative to

the reference-level and center-frequency settings.

Moves the entry window in the limit-line table.

Species whether the parameters in the limit-line table are for the

upper or lower limit-line.

Displays the limit-line table

allows the displayed limit-line parameters to be edited.

Allows a set of limit-line parameters to be dened by the user.

a calibrated wavelength for a lightwave signal analyzer.

the

entry

window

pressed.

the

specied segment of the limit-line from the limit-line

.

the

entry

window

the

entry

window

in

to

the

limit-line table.

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

DELETE ALL

the

limit-line

the

next row in the limit-line table.

, which lists limit-line parameters, and

table

.

has

3-10 SoftKey Quick Reference

Table 3-1. SoftKey Quick Reference, Organized by Function (continued)

Menu Key Denition

Marker Functions

N

NNNNNNNNNNNNNNNNNNN

N

1

-> SP

NNNNNNNNNNN

1/T

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

-> CF STEP

NNNNNNNNNNNNNNNNN

-> CF

NNNNNNNNNNNNNNNNNNNN

->

REF

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

ACTIVE MARKER

NNNNNNNNNNNNNNNNNNNNNNNNNNNNN

CLOSE PIT

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

CLOSEST

N

NNNNNNNN

DELTA

NNNNNNNNNNNNNN

FREQ

N

HIGHEST

NNNNNNNNNNNNNNNNNNNNNNNNNNNNN

LEFT PEAK

N

NNNNNNNNNNNNNNNNNNNNNN

LEFT PIT

NNNNNNNNNNNNNNNNNNNNNNN

MIN

NNNNNNNNNNNNNNNNNNNNNNNNNNNNN

MIN POINT

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

MINIMUM PEAK

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

MINIMUM POINT

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

MK STOP On Off

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

MKNOISE On Off

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

MKPAUSE On Off

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

MKR BW On Off

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

MKR NRM On Off

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

MRK TRA A B C

N

NNNNNNNNNNNNNNNNNNNNN

PIT

PEAK

Sets

the start and stop frequencies equal to the frequencies of the

reference

Describes

sweep-time

Sets the center-frequency step size equal to the frequency

dierence between the reference and active markers.

Sets the center frequency equal to the marker frequency.

Sets

Selects a number from 1 to 5 for the active marker.

Repositions the

pit.

Repositions

signal

P

ositions

active marker, called the reference marker.

Describes

Moves

Moves the marker to the closest signal peak of lower frequency.

Moves the displayed, active marker to the next signal peak (to the

left).

Selects

using

Moves the displayed marker to lowest signal level in trace.

Moves the marker to the lowest detected peak level on the trace.

Moves the marker to the lowest detected level on the trace.

Provides a sweep-to-marker function.

Displays the rms noise level at the marker position.

Stops the sweep at the marker position from 0 to 1000 seconds.

Displays the frequency dierence between markers #3 and #2.

Places the active marker on a trace at the specied frequency

during zero span mode

Species whether the active marker is positioned on trace A, B,or

C.

and active markers.

the

marker

position.

the

reference

active

the

active

peak.

a

second

marker

the

marker

the

MKPIT

.

position

level

equal

marker on the trace and selects the closest

marker

position

to

the

peak

pit.

, at the specied unit of time.

in

terms

of

the

inverse

to

the

marker amplitude.

on

the

trace

and

on a trace relative to the position of the

in

terms

of

frequency

of

the

highest-level

This

would

be used to move up after

selects

.

signal

of the marker

the

closest

detected.

,or

SoftKey Quick Reference 3-11

Table 3-1. SoftKey Quick Reference, Organized by Function (continued)

Menu Key Denition

Marker Functions | Continued

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNN

NNNNNNNNNNNNNNNNNNNNNNNNNN

NEXT PIT

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

PEAK EXCURSN

NNNNNNNNNNNNNNNNNNNN

PERIOD

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

PIT EXCURSN

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

READ AutoMan

N

NNNNNNNNNNNNNNNNNNNNNNN

REL LEFT

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

REL

PWR

On

Off

NNNNNNNNNNNNNNNNNNNNNNNNNNNNN

REL

RIGHT

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

RIGHT PEAK

N

NNNNNNNNNNNNNNNNNNNNNN

RIGHT

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

RIN SYS On Off

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

SIG TRK LIMIT

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

SIG TRK On Off

NNNNNNNNNNNNNNNNNNNNNNN

SWPTIME

NNNNNNNNNNNNNNNNNNNNNNN

WAVELEN

NNNNN

X

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

ZOOM TO RES BW

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

marker excursn

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

marker readout

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

mkr bw/zoom bw

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

pit,min markers

PIT

Moves

trace

Moves

less

Moves the marker to the signal peak of greatest amplitude that is

greater than the current marker amplitude.

Is used in conjunction with the marker-peaking functions when

measuring low level signals.

Describes the position of the marker in terms of the period, where

period equals 1/frequency.

Controls the excursion value for marker pit operations.

Is set to manual whenever the

softkeys

Activates marker #2 and positions it on a trace in the current

amplitude terms, relative to the position of marker #1.

Is

signal

A

amplitude

Moves the marker to the closest signal peak of higher frequency.

Selects

Turns the RIN marker function on and o.

Use the tracking-limit function when tracking a signal that is close

to another signal of similar amplitude.

Keeps the marker and the trace point it marks at the center of the

display.

Describes the marker position in terms of sweep time.

Converts the displayed frequency to its related wavelength.

Used to specify the marker position in terms of a ratio after

making a numeric entry

Reduces the span to 0 Hz, then adjusts the resolution bandwidth to

a value of your choosing.

Accesses marker peak and pit excursion softkey menu.

Selects marker readout annotation.

Accesses the marker bandwidth and zoom bandwidth softkeys.

Accessesthe marker pit operations softkey menu.

the marker to the next lowest detected peak level on the

.

the

than

a

marker

amplitude

ctivates

the

marker

the

are

function

marker

terms

next right pit.

to

current

pressed.

at

#3

,

relative

the

marker

that

the

and

signal

calculates

marker

positions

to

.

peak

amplitude.

NNNNNNNNNNNNNN

FREQ

the dierence between the

and

the average optical power.

it

the

position

of

greatest

NNNNNNNNNNNNNNNNNNNN

,

PERIOD

on

a

trace

of

amplitude that is

NNNNNNNNNNNNNNNNNNNNNNN

,

SWPTIME

in

the

marker

#1.

,or

current

NNNNNNNNNNN

1/T

3-12 SoftKey Quick Reference

Table 3-1. SoftKey Quick Reference, Organized by Function (continued)

Menu Key Denition

Memory-Related Functions

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

CHANGE

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

CONFIRM

NNNNNNNNNNNNNNNNNNNN

FORMAT

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

HP-MSIB CARD

NNNNNNNNNNNNNNNNNNNNNNNNNNNNN

HPIB DISK

N

INTRNL

NNNNNNNNNNNNNNNNNNNNNNNNNNNNN

LOAD FILE

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

PARTIAL

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

PURGE FILE

N

RECALL

N

RECALL

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

RECALL TRACE A

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

RECALL USERKEY

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

SAVE

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

SAVE MEMORY

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

SAVE STATE

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

SAVE TRACE A

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

SAVE USERKEY

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

recall from...

NNNNNNNNNNNNNNNNNNNN

recall

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

save to...

NNNNNNNNNNNNNN

save

PREFIX

ERASE

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

MEMORY

ERASE

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

LIMIT

N

NNNNNNNNNNNNNNNNNNNNNNNNNN

MEMORY

LIMIT

Allows

memory

Erases

Erases, then initializes the currently selected memory.

Accesses various types of external memory that are available

through an HP-MSIB device.

Selects external memory that is accessed on an HP-IB device.

Selects

HP

Recalls any le stored in user memory, duplicating the operation of

the recall softkeys.

Erases

Erases les from internal or external memory.

Loads

over-writing

Loads

reserved

Loads the contents of a trace le into trace A.

Clears the current menu of user-dened softkeys, then loads the

contents of a user-key le into the user-key menu.

Stores

Stores all non-ASCII, internal-memory entries in a program le into

external memory only.

Saves the current instrument state in a state-register le.

Stores trace A in a trace le.

Stores the current menu of user-dened softkeys in a user-key le.

Accesses the softkey functions that select a memory device or

modify existing les

Accesses the memory-retrieval softkey functions.

Accesses the softkey functions that select a memory device or

modify existing les

Accesses the memory-storage softkey functions.

the user to change the le prex for les that are stored in

.

memory

internal

70900B

all

the

memory

the

when

memory

local

oscillator

unprotected

contents

any

contents

of a limit-line le into the limit-line table,

existing

of

.

of

.

pressed.

in

internal

table entries.

a

program

the

analyzer

source

.

memory

le

limit-line

, specically in the

contents

into

internal

table

in a limit-line le.

.

memory

or

SoftKey Quick Reference 3-13

Table 3-1. SoftKey Quick Reference, Organized by Function (continued)

Menu Key Denition

Power-Meter Functions

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

AUTZERO

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

NOISE

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

PREAMP N On Off

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

PWR

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

PWR BAR On Off

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

PWR MTR OptElec

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

USR PWR On Off

N

NNNNNNNNNNN

ZERO

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

power meter

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

preamp

ON

AVG

On Off

OFF

On

Off

control

Selects

the

Provides

measurements

Turns on a preamplier.

Controls

Turns on and o the display of the power bar at the left-hand side

of the display screen and the average-power readout annotation.

Selects either optical units or electrical units for power meter

annotation.

Allows the displayed optical power level for the trace and power

meter

specied

Zeroes osets in the internal average power meter.

Accesses the power meter softkey functions.

A

automatic zeroing of osets in the internal power meter of

lightwave section.

an

external-noise-source

.

video

to

ccesses

averaging

be

adjusted,

by

the

preamplier

user

of the power meter value.

using

.

control softkeys.

a

known

drive

optical

voltage

for

noise

input power level,

gure

Preselector

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

C6DAC SEARCH

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

CENTER DELTA

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

PRESEL CENTER

N

NNNNNNNNNNNNNNNNNNNNNNNNN

PRESEL

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

PRESEL HYS

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

PRESEL On Off

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

PRESEL PARTIAL

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

PRESEL PEAK

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

pre-select

Functions

DAC

Places the DAC search values into trace C.

Adjusts the delta value for performing preselector centering.

Performs preselector centering.

Enters

corresponding

Compensates for hysteresis in the preselector lter.

Bypasses the preselector and low-pass lter.

Adjusts the tracking of the preselector lter.

Adjusts the tracking of the preselector lter to yield maximum

amplitude accuracy at the active marker position.

Accesses the softkeys that control the preselector functions.

a

value

into the preselector DAC for the frequency range

to

the

frequency at the marker.

3-14 SoftKey Quick Reference

Table 3-1. SoftKey Quick Reference, Organized by Function (continued)

Menu Key Denition

Programming-Related Functions

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

66

Mode On Off

NNNNNNNNNNNNNNNNNNNNNNN

ANY

CHR

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

CLEAR TO END

N

NNNNNNNNNNNNNNNNNN

COMMAND

NNNNNNNNNNNNNN

CONT

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

DEBUG FAST

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

DEBUG On Off

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNN

DEBUG SLOW

N

NNNNNNNNNNNNNNNNNNNNNNNNN

DELETE

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

DELETE

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

ENTER COMMAND

N

INSERT

NNNNNNNNNNNNNNNNN

PAUSE

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

REPLACE or...

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

SELECT CHAR

NNNNNNNNNNNNNNNNN

SPACE

NNNNNNNNNNNNNN

STEP

NNNNNNNNNNNNNNNNN

debug

CHAR

or...

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

or...

Enables

commands

Enters

Deletes characters on the data line from the entry window to end

of data line.

A

ccesses

and execute short programming routines.

Resumes

Activates a fast debugging routine that executes the program

quickly and is useful for trapping errors.

Activates debugging of user-dened functions that have been

stored

Activates a slow debugging routine that executes the program

slowly to allow monitoring of each command execution, much like

stepping

Deletes

data

Selects

on

Executes the contents of the data line when it contains properly

constructed programming-command statements.

Selects

data

Suspends program operation.

Selects the insert-editing function for the programming text on the

data line at the bottom of the display.

Enters into the data line any character listed in the character list,

which appears at the left side of the display when

pressed.

Inserts a space into the programming text on the data line

Executes each successive program command, one at a time.

Accesses the program-debugging softkey functions.

use of HP 8566B spectrum analyzer programming

.

an

ASCII

character

a

set of editing functions which may be used to compose

line

the

line

program

in

internal

through

individual

.

the

replacement-editing

data

the

delete-editing

at

operation.

memory

a

characters

line

at

the

the bottom of the display.

.

program

bottom

function for the programming text on the

into

on

the

a

computer

at

the

function

of

the

data

entry

display

line

.

window position on the

for

the

programming

.

NNNNNNNNNNNNNNNNNNNNNNN

COMMAND

.

text

is

SoftKey Quick Reference 3-15

Table 3-1. SoftKey Quick Reference, Organized by Function (continued)

Menu Key Denition

Service-Related Functions

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

ANALYZR

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

BLOB On Off

NNNNNNNNNNNNNNNNNNNN

CANCEL

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

CONFIRM RESTART

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

DETECTR

NNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

ERASE ALL

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

LCL

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

LCL

NNNNNNNNNNNNNNNNNNNNNNN

RESTART

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

ROM VERSION

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

SERVICE

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

WARNING On Off

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

ERASE/RESTART

OSC

TEST

GND

AUT

START

STOP

REQUEST

Initiates

Executes a function that draws a blob that moves around the

display.

Cancels the various memory-erase operations.

Conrms that you really want to perform a restart.

Grounds

Erases all user memory.

Sets

oscillator

Sets

oscillator

Breaks all links and does a system reconguration.

Displays the date code of the local oscillator read-only memory

(ROM) chip.

Enables

status-byte

Enables or disables warning messages from being displayed on the

display

Accesses erase/restart softkey functions.

a self-test routine.

internal

the

start

source

the

stop frequency of the sweep for an HP 70900B local

source

the

.

ADC input for troubleshooting.

frequency

.

service request mode by setting the message bit in the

register

of

true.

the sweep for an HP 70900B local

Signal-Detection Functions

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

CPL DET On Off

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

DET SEL LOG V

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

DETECTR AutoMan

N

NNNNNNNNNNNNNNNNN

GROUND

NNNNNNNNNNNNNNNNNNNN

NEG PK

NNNNNNNNNNNNNNNNNNNN

NORMAL

NNNNNNNNNNNNNNNNNNNN

POS PK

NNNNNNNNNNNNNNNNNNNN

SAMPLE

NNNNNNNNNNNNNNNNNNNNNNN

detectr

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

log/lin detectr

Control the coupling between LG, LN, and DETSEL.

Selects the hardware detector used for trace data (LOG or V).

Activates normal detection.

Grounds the video detector.

Displays the minimum signal level detected during each sample

interval.

Chooses between positive- and negative-peak values, according to

the Rosenfell algorithm, which tests to see if a response rises and

falls in the sampling interval.

Displays the maximum signal level detected during each sample

interval.

Displays the instantaneous signal level detected at the beginning of

the sample period.

Accesses the signal-detection mode softkeys.

Accesses additional signal-detection mode softkeys.

3-16 SoftKey Quick Reference

Table 3-1. SoftKey Quick Reference, Organized by Function (continued)

Menu Key Denition

Signal-Identication Functions

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

IMAGE

N

IMAGE

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

IMAGE

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

SIG ID -> CF

N

SIG

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

SIG ID MAN OFF

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

SIGNAL IDENT

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

sig id options

N START

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

STOP

SHIFT

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

ID

AMPTD

1

Determines

responses

harmonic

Determines

responses

harmonic

Selects

Places the active marker on the identied real signal and centers it

on the display.

Species

signals

Selects automatic or manual mode. Its preset state is automatic

mode

.

Executes a signal-identication routine using either the image or

shift

method.

Accesses the signal-identication softkey functions.

the frequency range for possible image or harmonic

by selecting the lowest and highest local oscillator

used for mixing, according to the tuning equation below.

the

frequency

by

selecting

used

for

the

shift-identication

the

amplitude

tested

as

the

mixing,

dierence between the marked signal and

its image or harmonic.

range

for

possible image or harmonic

lowest

according to the tuning equation below.

and highest local oscillator

or

image-identication

methods

.

Its

Signal-P

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

COUPLNG

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

EXT IF On Off

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

EXT VID FM IQ

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

PATHLOK On Off

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

select

N

select

ath

AC

N

adc

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

input

Functions

DC

A

ctivates

Switches the IF signal path.

Controls the external video switch (if present).

Species the signal path through the spectrum analyzer.

Switches

A

ccesses

ac

or

dc

between

a

softkey

coupling

the

menu that lists the available input ports.

for

internal

the

spectrum

and

external video-processing paths.

analyzer

input.

SoftKey Quick Reference 3-17

Table 3-1. SoftKey Quick Reference, Organized by Function (continued)

Menu Key Denition

Sweep and Trigger Functions

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

CONT

SWEEP

NNNNNNNNNNN

EXT

NNNNNNNNNNNNNNNNNNNNNNNNNNNNN

HYS LEVEL

N

NNNNNNNNN

LINE

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

OVERSWP On Off

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

SINGLE SWEEP

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

SWPTIME AutoMan

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

TRIGGER

N

VIDEO

N

NNNNNNNNN

VIDEO

FREE

NNNNNNNNNNNNNNNNNNNNNNNNNN

LEVEL

Sweeps

met.

Synchronizes

Denes the change in video-signal level required for video

triggering.

Synchronizes

Allows faster sweep times (up to ve times faster) when specied

accuracy is not required and the

Initiates one sweep if the trigger conditions are met.

Species the rate that the analyzer sweeps the current

measurement range.

Triggers

circuitry

Species

Triggers

the measurement range when the trigger conditions are

the

.

the

sweep

trigger

sweep

with

with the power-line frequency.

with

the

level

for

with

the detected, ltered, input signal (video).

an

external

UNCAL

spectrum

the video softkey function.

signal.

indicator is undesirable.

analyzer

,

internal-triggering

3-18 SoftKey Quick Reference

Table 3-1. SoftKey Quick Reference, Organized by Function (continued)

Menu Key Denition

Tracking Generator Functions

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

A-C

->A On Off

NNNNNNNNNNNNNNNNNNNNNNN

ALC

ALT

NNNNNNNNNNNNNNNNNNNNNNN

ALC EXT

NNNNNNNNNNNNNNNNNNNNNNN

ALC NRM

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

AM % On Off

N

NNNNNNNNNNNNNNNNNNNNN

N

AM FREQ

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

AM INT EXT

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

AVERAGE SHRT->C

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

BLANKNG

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

PWR

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

PWR

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

SRC

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

SRC OSC INT EXT

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

SRC PWR OFFSET

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

SRC PWR On Off

STP

SWP

ATN

On

Off

AutoMan

On

Off

AutoMan

Subtracted

stored

Connects

internal

Connects the automatic level control of the source to an external

negative detector (0 to 100 millivolts).

Connects the automatic level control of the source to the normal

internal detector of the tracking generator.

Sets and controls the amplitude-modulation percentage (depth) of

the source.

Selects the internal amplitude-modulation frequency of the source.

Selects the amplitude modulation input.

Works in conjunction with the

mismatches

Turns

Sets

the

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

PWR SWP On Off

W

orks

the amplitude level of the source output.

Allows

RF

tracking

Selects the 21.4 MHz oscillator that mixes with the spectrum

analyzer local oscillator to produce the source output at the RF

OUTPUT port on the tracking generator.

Allows a user-determined value to be added to the requested

source-power output-level readout, which enables the user to

calibrate the source output.

Sets the source power level at the RF OUTPUT

panel of the tracking generator

trace C from trace A, point by point, and the result is

in trace A.

the

automatic

detector

o

blank

power

in

conjunction

the

.

and

directivity

source

step-size

source

generator to be automatically or manually changed.

level

.

for the

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

SRC PWR OFFSET

, and

with the

attenuator

control

N

eects

N

level

of

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

STORE OPEN->C

for

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

SRC

PWR

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

SRC

PWR

of

an

.

the

source

reection

On

Off

softkeys.

On

Off

HP

70300A

to

an alternate

softkey to reduce

measurements

,

softkey to sweep

>

port on the front

.

SoftKey Quick Reference 3-19

Table 3-1. SoftKey Quick Reference, Organized by Function (continued)

Menu Key Denition

Tracking Generator Functions | Continued

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

STM

RSP MIL Cpl

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

STM

RSP

On

Off

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

STORE OPEN ->C

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

STORE THRU->B

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

TRACKNG ADJUST

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

TRACKNG PEAK

N

NNNNNNNNNNNNNNNNNN

alc/track

NNNNNNNNNNNNNNNNNNNNNNN

modultn

N

NNNNNNNNNNNNNNNN

power

N

NNNNNNNNNNNNNNNNNNNNNNNNN

trace

N

track

N

NNNNNNNNNNNNNNNNNNNNNN

norm

gen

Optimizes

but

also allows system gains to change (such as with a reference

level

Optimizes

Works in conjunction with the

reduce

measurements

Is used in the normalization process for transmission

measurements.

Allows you to adjust the tracking of the tracking generator output

manually with the sweeping of the local oscillator, by centering the

signal response in the IF resolution bandwidth lters.

Maximizes the amplitude of the active trace at the point indicated

by the active marker.

Selects

functions

A

ccesses

Accesses the source power softkey functions.

A

ccesses

A

ccesses

system operation for stimulus-response measurements,

change).

system

mismatches

the

automatic

for

the

the tracking-generator softkey functions.

operation

and

directivity

.

level

the

tracking

modulation

trace-normalization softkey functions.

softkey

for

stimulus-response

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

AVERAGE SHRT->C

eects

control

generator

type

module

functions

measurements.

softkey to

for

reection

and

tracking adjustments

.

3-20 SoftKey Quick Reference

Table 3-1. SoftKey Quick Reference, Organized by Function (continued)

Menu Key Denition

User-Dened Functions

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

DEFINE

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

DISPOSE

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

EDIT FUNCDEF

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

PRESET USER

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

RECALL USER

NNNNNNNNNNNNNNNNNNNNNNNNNNNN

N

SAVE USER

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

catalog & MSI

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

execute

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

key control

USR KEY

USER

DLP

Incorporates

be

used to erase softkeys individually from the user-softkey menu.

Erases

Displays a user-dened function on the data line for editing.

Restores the default menu for the user softkeys, which consists of

the following softkeys:

Clears the current menu of user softkeys, then loads the contents

of a user-softkey le into the user-softkey menu.

Stores the current menu of user softkeys in a user-softkey le.

Lists the contents of the currently selected user memory, giving

names of entries, their size and type, and the amount of available

memory

Displays

Accesses the user-dened softkey functions.

menu softkeys into the user-softkey menu, and may

a

le

.

a

menu

containing

of

a

menu

softkeys

that

of

user

execute

softkeys

user-dened

from user memory.

functions

.

SoftKey Quick Reference 3-21

Functional

A

denition

functional

of

groupings

Grouping

the

various

are:

Denitions

types

of

functions

are detailed in this section. The various

Amplitude

Amplitude-Correction Functions

Bandwidth

Calibration

Display

External-Mixer

Frequency

Instrument-State Functions

Lightwave Functions

Limit-Line Functions

Marker Functions

Memory-Related Functions

Power-Meter Functions

Preamplier

Preselector

Programming-Related

Service-Related

Signal-Detection

Signal-Identication Functions

Signal-Path Functions

Sweep and Trigger Functions

Trace-Processing Functions

Tracking-Generator Functions

User-Dened

Functions

Note

T

o

locate

pressed,

individual

see

the

softkey

softkeys that are accessible when the

menu maps in Chapter 2.

4

MENU

5

key

is

3-22 SoftKey Quick Reference

Functional

Amplitude Functions

The amplitude softkeys change the input attenuation and scale of the displayed amplitude

measurement results.

Amplitude-Correction Functions

The amplitude-correction functions enhance amplitude measurement accuracy. The user

can dene amplitude corrections for a specic frequency-measurement range and enter the

corrections through the front panel keyboard. The user-dened corrections do not aect

the system amplitude-correction factors. The user calculates the amplitude corrections for a

specic measurement. The amplitude and related frequency values are entered in a limit-line

table, using the limit-line softkeys. The user then converts the limit-line le into an amplitude

correction, using the softkeys described in this section.

The operation of the limit-line softkeys must be understood before using the softkeys described

in this section.

Bandwidth Functions

The bandwidth softkeys aect how the resolution bandwidths and video-bandwidths are

applied to an input signal.

Grouping

Denitions

Calibration Functions

The calibration softkeys are used to congure the system for calibration and perform the

calibration routines. The calibration routines can be selected and run individually.

F

or

a

lightwave

and

does

not

the HP 70810B lightwave section is calibrated using the functions provided in this section.

Display Functions

The display softkeys control the display of the graticule, screen annotation, display line, and

blanking of displayed trace information. Other display softkeys are used to display text created

by

the

user

External-Mixer Functions

The external-mixer softkeys control the measurement range when an external mixer is used to

extend the spectrum analyzer frequency range. The softkeys select the measurement range and

bias the external-mixer gain. They also compensate for conversion loss at the input port of the

external mixer interface module.

The external-mixer softkeys are operational when the input to an external mixer interface

module (for example, an HP 70907A external mixer interface module) is active. Press the

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

select input

signal

require

in

the title line at the top of the display.

softkey to access the menu of available input-related softkeys.

analyzer

additional

,

the

lightwave

calibration.

signal

However

path

,

the

has

RF

been

calibrated

or

microwave

at the factory

signal

path

through

SoftKey Quick Reference 3-23

Functional

Frequency Functions

Grouping

Denitions

Instrument-State

The

instrument-state

settings in internal analyzer memory.

Press

4

INSTR

PRESET

a

list

of

the

instrument settings that are aected by instrument preset.

Lightwave Functions

The lightwave softkeys provide the analyzer functions used for lightwave signal analysis.

The softkeys are present when a lightwave signal path has been selected using the softkeys

accessed by the

CAUTION

Limit-Line

The

limit-line

while

The

testing

the

test

parameters

into

functions

Inaccurate signal trace measurements can occur if HSWP IN/OUT on the

HP

Functions

softkeys

analyzer

a

limit-line table.

Functions

softkeys

5

or

4

I-P

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

select input

70810B

70900B

allow

compare

is

sweeping the measurement range.

are stored in internal or external memory as limit-line les and recalled for

control

5

to

set

lightwave section is not connected to HSWP IN/OUT on the

local oscillator source.

the user to dene amplitude and frequency test parameters. The

trace

settings

all

softkey settings to their preset state. See Appendix A for

softkey.

data to a set of amplitude and frequency test parameters

for

specic

analyzer

functions and store the

Marker

The

marker itself is a bright diamond- or square-shaped character positioned along the signal trace.

The marker softkeys are data-processing functions that mark areas of Traces A, B, or C for

signal identication, mathematical trace manipulation and data transfer.

Functions

marker softkeys allow the user to pinpoint and analyze portions of the signal trace. The

3-24 SoftKey Quick Reference

Functional

Grouping

Denitions

Figure

Memory-Related Functions

Memory

functions

Custom

using

data,

Power-Meter Functions

The

average-power

signal

average-power meter.

CAUTION

Preamplier Functions

The preamplier softkeys control the preamplier modules that are installed in the system.

is

an

area

perform

functions

user-dened

variables

power-meter

analyzer

and

have

where

the

can

front

arrays

softkeys

meter

Inaccurate signal trace measurements can occur if HSWP IN/OUT on the

HP 70810B lightwave section is not connected to HSWP IN/OUT on the

HP 70900B local oscillator source

3-1.

Marker-Peak Functions Analyze Trace Data

information

operations

also

be

created

panel

softkeys

of

data

control

.

Both

the HP 71400C lightwave signal analyzer and HP 71401C lightwave

an

HP 70810B lightwave section installed that contains an internal

can

be

stored for future recall. The memory-related

for

memory

by

or

for

data processing.

the

adjustment, annotation readout, and calibration of a

storage

the user and stored in memory for later execution

an

external computer. Memory can also store trace

and retrieval.

.

SoftKey Quick Reference 3-25

Functional

Preselector Functions

The preselector functions are available when a preselector module or RF section with

preselector capabilities is installed in the system. To make preselected measurements,be

sure the input port on the preselector module is active. Select the active input port with the

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

select input

The analyzer may require recalibration for measurements made with another input port. Refer

to the \Calibration Functions" section in this chapter for more information.

Grouping

softkey.

Denitions

Programming-Related

The

programming-related

panel,

Service-Related Functions

The service-related softkeys provide various functions for checking analyzer operation, clearing

all instrument memory, and modifying the sweep range of the local oscillator.

Signal-Detection

The spectrum analyzer is an analog receiver that translates a detected analog signal into a

series of amplitude values, called elements. An interval of time passes while the analyzer

sweeps and detects the analog signal. If one sweep of trace data is divided into 800 increments

of time, the spectrum analyzer produces 800 trace elements.

The signal-trace detection functions determine how the analyzer chooses one amplitude value

for

time.

Signal-Identication

The

Two

methods test a signal that is marked by the active marker. If a marker is not present, they

mark the highest signal peak automatically before beginning the identication process.

troubleshooting

each

element

signal-identication

from

Functions

softkeys

programs

the

many

Functions

functions

methods

provide various functions for programming from the front

, and editing user-dened functions.

amplitude

distinguish

are

values

available

detected

real

signals

,

called shift and image. The image and shift

during

from image or harmonic responses.

one

of

these

intervals

of

Signal-Path Functions

The signal-path functions select

control the signal path through and between modules installed in the system.

Sweep and Trigger Functions

The sweep and trigger functions adjust sweep time and signal triggering. Whenever a sweep is

in progress, the \MEASURE" indicator on the front of the HP 70900B local oscillator source is

lit. The indicator is o between sweeps and frequency bands.

3-26 SoftKey Quick Reference

the input port and its type of coupling, ac or dc. They also

Functional

Trace-Processing Functions

The trace-processing functions detect, store, and manipulate trace information.

The analyzer records measurement results in any of three traces (Trace A, B, or C) as it sweeps

through the measurement range. These traces may be swept simultaneously or individually.

Tracking-Generator Functions

The tracking-generator softkeys control the functions of a tracking-generator module.

Grouping

Denitions

User-Dened

The

user-dened

have

been

created

internal

The

the

softkeys described in \Programming Functions".

or

user

can

softkeys

Functions

functions

external

create

to

the

provide

by

the

user

memory

softkey functions for unique or specialized measurement tasks and assign

user-softkey menu. The user-dened functions are created using the

, activated to perform a user-dened task, or deleted from memory.

le-management

.

User-dened

functions can be placed in user memory from an

capabilities

for

softkey

functions that

SoftKey Quick Reference 3-27

Softkey Descriptions

a

aaaaaaaaaaaaaa

1/T

(inverse sweep-time) describes the marker position in terms of the inverse of the marker

sweep-time position.

Functional Type:

marker

Firmkey Access:

NNNNNNNNNNNNNNNNNNNN

Marker

4

Preset

O

aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa

a

3-DIMEN On Off

Turn on or o the three-dimensional trace display capability.

The

three-dimensional

1

and

o.

Functional Type:

active-trace processing

Firmkey Access:

NNNNNNNNNNNNNNNNN

BWSwp

Preset State:

State:

THREED

6

50,

It

is

not

command

or

when you turn the function on. This value is retained if you turn the function

changed until you enter a dierent value.

display

sets

the

function.

number of previous traces to be displayed simultaneously as a

The

function

is activated when you enter a value between

O

Softkey Descriptions 4-1

aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa

66

MODE

On

Off

(8566B

function

spectrum

and

Functional Type:

programming-related and service-related

Firmkey

NNNNNNNNNNNNNN

Misc

Preset State:

O, Not aected by

a

A<-A+B

adds traces A and B point by point, then stores the results in trace A.

Mode)

sets

analyzer

remote

aaaaaaaaaaaaaaaaaaaaaaaaaaaa

enables

several

as

marker

Access:

use

of

HP

8566B

system

closely

and trace queries are switched to HP 8566B spectrum analyzer units.

4IP5

.

parameters

as

possible

spectrum analyzer programming commands.The

to

emulate

.

For example, the trace length is set to 1001 points,

the remote operation of HP 8566B

Functional Type:

active-trace processing

Firmkey Access:

NNNNNNNNNNNNNNNNN

BWSwp

Preset

O

State:

4-2 Softkey Descriptions

aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa

A-B->A

On

Off

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

A-B+DL

On

Off

subtracts

continuous

Functional Type:

active-trace processing

Firmkey

NNNNNNNNNNNNNNNNN

BWSwp

Preset State:

O

aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa

a

A-B+DL

subtracts

stores

Press

See

NNNNNNNNNNNNNN

Misc

the

trace

and

A

ccess:

On Off

trace

the

results

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

DSP

,

N

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

DSP

LIN

B

from

occurs

B

from

in

LIN

On

trace

with

trace

On

Off

A

point

by point, then stores the results in trace A. The process is

each

sweep

.

A

point

by

point,

A.

The process is continuous and occurs with each sweep.

Off

to

position

softkey

description.

the

adds

display

the

value

line

of

the

display line, and then

.

Functional Type:

active-trace processing

Firmkey Access:

NNNNNNNNNNNNNNNNN

BWSwp

Preset State:

O

Softkey Descriptions 4-3

aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa

A-C

(store

and

improves

trace

See

Functional Type:

tracking generator

->A

Trace

the

result

A

is

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

CLEAR

the

On

Off

A

minus

is

measurements

in clear-write mode when this function is executed, the function is continuous.

stored

WRT

Trace

A

softkey

in

trace

by

C

into

Trace A) Trace C is subtracted from trace A, point by point,

A. This math function, used in the normalization process,

allowing

errors

description.

to

be

subtracted out before connecting a device.If

Firmkey

NNNNNNNNNNNNNNNNN

State

Preset State:

O

aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa

ACTIVE

selects

o.

Functional Type:

marker

Firmkey Access:

N

NNNNNNNNNNNN

Marker

a

number

A

ccess:

MARKER

from

1

to

5

for the active marker. If zero is selected, the markers are turned

Preset State:

O

4-4 Softkey Descriptions

aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa

ALC

ALT

N

ALC

N

NNNNNNNNNNNNN

EXT

(alternate

alternate

used

The

using

can be made with the alternate detector by normalizing.

Use the

Functional

tracking

Firmkey Access:

NNNNNNNNNNNNNNNNN

State

Preset State:

O

a

ALC EXT

automatic

internal

for

measurements

alternate

NNNNNNNNNNNNNNNNNNNNNNN

ALC

the

NNNNNNNNNNNNNNNNNNNNNNN

ALC ALT

generator

a

aaaaaaaaaaaaaaaaaaaaaa

level

control)

detector

ALT

softkey for wideband applications (for example, 1 kHz to 100 MHz).

Type:

.

The

between

can be used above 10 MHz, but better output atness can be obtained

softkey

for

The

automatic

alternate

20

measurements

Hz

detector

and

10 MHz.

level

at the internal 3.6 GHz amplier is typically

above

10

control of the source is connected to an

MHz

.

However

, accurate measurements

(external

The

(0

to

splitter. With external detectors, use the ALC EXT INPUT connector on the front panel of the

tracking generator.

Functional Type:

tracking generator

Firmkey Access:

NNNNNNNNNNNNNNNNN

State

Preset State:

O

automatic

100

millivolts). An external detector can be used to level the output of an amplier or

level

control

control)

of the source is connected to an external negative detector

Softkey Descriptions 4-5

HP 70000, 70900B User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual