HP 70000 series User manual

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User's Guide
HP 70000 Series Modular
Spectrum Analyzer System
HP 70900B Local Oscillator
Source-Controlled Modules
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
purpose. Hewlett-Packard shall not be liable for errors contained herein or for incidental or
consequential damages in connection with the furnishing, performance, or use of this material.
Restricted Rights Legend.
Use, duplication, or disclosure by the U.S. Government is subject to restrictions as set forth
in subparagraph (c) (1) (ii) of the Rights in Technical Data and Computer Software clause at
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
All Rights Reserved. Reproduction, adaptation, or translation without prior written permission
is prohibited, except as allowed under the copyright laws.
1400 Fountaingrove Parkway, Santa Rosa, CA 95403-1799, USA

Certication
Hewlett-P
ackard Company certies that this product met its published specications at the
time of shipment from the factory
.Hewlett-P
ackard further certies that its calibration
measurements are traceable to the United States National Institute of Standards and
T
echnology
,to the extent allowed by the Institute's calibration facility, and to the calibration
facilities of other International Standards Organization members.
Warranty
This Hewlett-P
ackard instrument product is warranted against defects in material and
workmanship for aperiod of one year from date of shipment. During the warranty period,
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 pay shipping charges to return the product to Buyer
.However
, Buyer shall pay all
shipping charges
,duties
, and taxes for products returned to Hewlett-Packard from another
country
.
Hewlett-P
ackard warrants that its software and rmware designated by Hewlett-Packard for
use with an instrument will execute its programming instructions when properly installed on
that instrument. Hewlett-P
ackard does not warrant that the operation of the instrument, or
software, or rmware will be uninterrupted or error-free.
Limitation of Warranty
The foregoing warranty shall not apply to defects resulting from improper or inadequate
maintenance by Buyer, Buyer-supplied software or interfacing, unauthorized modication or
misuse, operation outside of the environmental specications for the product, or improper
site preparation or maintenance
.
NO OTHER WARRANTY IS EXPRESSED OR IMPLIED. HEWLETT-PACKARD SPECIFICALLY
DISCLAIMS THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
PARTICULAR PURPOSE.
Ex
clusive Remedies
THE REMEDIES PROVIDED HEREIN ARE BUYER'S SOLE AND EXCLUSIVE REMEDIES.
HEWLETT-PACKARD SHALL NOT BE LIABLE FOR ANY DIRECT, INDIRECT, SPECIAL,
INCIDENTAL, OR CONSEQUENTIAL D
AMAGES, WHETHER B
ASED ON CONTRA
CT, TORT,
OR ANY OTHER LEGAL THEORY
.
Assistance
Product maintenance agreements and other customer assistance agreements are available for
Hewlett-Packard products.
For any assistance, contact your nearest Hewlett-Packard Sales and Service Oce.
iii

Safety Symbols
The following safety symbols are used throughout this manual. Familiarize yourself with each
of the symbols and its meaning before operating this instrument.
CA
UTION
The CAUTION sign denotes a hazard. It calls attention to a procedure which, if
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 CAUTION sign
until the indicated conditions are fully understood and met.
WARNING
The
W
ARNING
sign denotes ahazard. It calls attention to a procedure
which, if not correctly performed or adhered to
, could result in injury
to the user
.Do not proceed beyond a
WARNING sign until the indicated
conditions are fully understood and met.
DANGER
The DANGER sign denotes an imminent hazard to people. It warns the
reader of a procedure which, if not correctly performed or adhered to,
could result in injury or loss of life. Do not proceed beyond a
DANGER
sign until the indicated conditions are fully understood and met.
iv

General Safety Considerations
WARNING
Before this instrument is switched on, make sure it has been properly
grounded through the protective conductor of the ac power cable to a
socket outlet provided with protective earth contact.
Any interruption of the protective (grounding) conductor, inside
or outside the instrument, or disconnection of the protective earth
terminal can result in personal injury.
There are many points in the instrument which can, if contacted, cause
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.
CA
UTION
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 to set the ac power input to the correct voltage could cause damage to
the instrument when the ac power cable is plugged in.
v

In This Book
This manual explains how to operate HP 70000 Series modular spectrum analyzer systems and
lightwave signal analyzers
.
Spectrum analyzer and lightwave signal analyzer features and operating details are provided
in the following chapters.
Chapter 1describes the basic operation of a spectrum analyzer and lightwave signal
analyzer
.The chapter also provides details for an analyzer that is being operated for the
rst time
.
Chapter 2illustrates the organization of the softkeys that are accessed by pressing the
4
MENU
5 softkey.
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 information is provided in the following chapters.
Chapter 5provides modular system troubleshooting procedures.
Chapter 6provides descriptions for displayed system error messages.
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 system modules
.Abrief description of each module is also provided.
Appendix Cdescribes how to care for ber-optic connectors and cables that are used with
lightwave signal analyzers
.
Appendix Dprovides reference tables for ASCII characters
, control codes, and escape
sequences
.
Glossary denes spectrum analyzer, lightwave-signal-analyzer, and modular-measurement
system terminology.
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 4
MENU
5 Key............... 1-6
Preparing the Analyzer for Measurements . . . . . . . . . . . . . . . . . . . 1-7
Electrical Cable Connections ... .. .. . .. .. .. .. .. .. .. .. . 1-10
Fiber-Optic Cable Connections ........................ 1-10
Cleaning Optical Connectors .... .. .. .. .. .. .. .. .. .. .. 1-10
Making aMeasurement .... .. .. .. .. .. .. .. .. .. .. .. .. 1-11
Instrument Preset ............................. 1-11
Measurement Procedure .... .. .. .. .. .. .. .. . .. .. .. . 1-11
Use Coupled Functions to Maintain Accuracy Easily .... .. .. .. .. . 1-12
Resolving Closely Spaced Signals ...................... 1-13
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 Front-P
anel Indicators ...................... 1-21
Using the
4
USER
5
Key ............................. 1-23
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 4
DISPLAY
5 Key .... .. .. .. .. .. .. .. .. .. .. .. . 1-26
Accessing Custom, User-Dened Functions .................. 1-28
Accessing the Memory Card .. .. .. .. .. .. .. . .. .. .. .. .. 1-29
Formatting a Memory Card . . . . . . . . . . . . . . . . . . . . . . . . . 1-30
2. Softkey Menu Maps
NNNNNNNNNNNNNN
Freq Softkey Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
NNNNNNNNNNNNNNNNN
Amptd Softkey Menu .. .. .. .. .. .. .. . .. .. .. .. .. .. . 2-3
NNNNNNNNNNNNNNNNNNNN
Marker Softkey Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
NNNNNNNNNNNNNNNNNNNN
BW,Swp Softkey Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
NNNNNNNNNNNNNNNNNNNN
Traces Softkey Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
NNNNNNNNNNNNNNNNN
State Softkey Menu .. .. .. .. .. .. .. . .. .. .. .. .. .. . 2-7
NNNNNNNNNNNNNN
Misc Softkey Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12
Contents-1

3. SoftKey Quick Reference
Functional Grouping Denitions .... .. .. .. .. .. .. .. .. .. . 3-22
4. Softkey Descriptions
NNNNNNNNNNN
1/T .................................... 4-1
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
3-DIMEN On Off .............................. 4-1
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
66 MODE On Off .............................. 4-2
NNNNNNNNNNNNNNNNNNNN
A<-A+B
................................... 4-2
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
A-B->A On Off
...... .. .. .. .. .. .. .. .. .. .. .. .. . 4-3
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
A-B+DL On Off
.... .. .. .. .. .. .. .. .. .. .. .. .. .. . 4-3
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
A-C ->A On Off .............................. 4-4
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
ACTIVE MARKER .... .. .. .. .. .. .. .. .. .. .. .. .. .. . 4-4
NNNNNNNNNNNNNNNNNNNNNNN
ALC ALT .................................. 4-5
NNNNNNNNNNNNNNNNNNNNNNN
ALC EXT .................................. 4-5
NNNNNNNNNNNNNNNNNNNNNNN
ALC NRM .................................. 4-6
NNNNNNNNNNNNNNNNNNNNNNNNNNNNN
alc/track
...... .. .. .. .. .. .. .. .. .. .. .. .. .. . 4-6
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
A 6 A*DL/(A+B) .... .. .. .. .. .. .. .. .. .. .. .. .. .. . 4-7
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
A 6 A*DL/(A+B+C) .............................. 4-7
NNNNNNNNNNNNNNNNNNNNNNNNNNNN
A
6
A*DL/B)
.......... .. .. .. .. .. .. .. .. .. .. .. . 4-8
NNNNNNNNNNNNNNNNNNNNNNNNNNNN
A
6
A*DL/C)
.... .. .. .. .. .. .. .. .. .. .. .. .. .. .. . 4-8
NNNNNNNNNNNNNNNNN
A 6 A 0 B .... .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . 4-9
NNNNNNNNNNNNNNNNNNNNNNNNNN
A 6 A 0 B+DL .... .. .. .. .. .. .. .. .. .. .. .. .. .. .. . 4-9
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
A
6
(A
0
B)
0
C
...... .. .. .. .. .. .. .. .. .. .. .. .. .. . 4-10
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
A
6
(A
0 B) 0 C+DL .... .. .. .. .. .. .. .. .. .. .. .. .. .. . 4-10
NNNNNNNNNNNNNNNNN
A 6 A 0 C .... .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . 4-11
NNNNNNNNNNNNNNNNNNNNNNNNNN
A 6 A 0 C+DL .... .. .. .. .. .. .. .. .. .. .. .. .. .. .. . 4-11
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
A 6 DL*(A+B)/C) .... .. .. .. .. .. .. .. .. .. .. .. .. .. . 4-12
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
AMETER On Off
.............................. 4-12
NNNNNNNNNNNNNNNNNNNNNNN
AM FREQ .................................. 4-13
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
AM INT EXT ................................ 4-13
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
AM % On Off ................................ 4-14
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
AMPCOR -> LOWER .... .. .. .. .. .. .. .. .. .. .. .. .. . 4-14
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
AMPCOR On Off
.... .. .. .. .. .. .. .. .. .. .. .. .. .. . 4-15
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
AMPCOR -> UPPER .... .. .. .. .. .. .. .. .. .. .. .. .. . 4-15
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
AMP REF OFFSET
.............................. 4-16
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
AMPTD VALUE ................................ 4-17
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
ANALYZR TEST .... .. .. .. .. .. .. .. .. .. .. .. .. .. . 4-17
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
ANOTATN On Off .............................. 4-18
NNNNNNNNNNNNNNNNNNNNNNN
ANY CHR .................................. 4-18
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
ATTEN AutoMan .... .. .. .. .. .. .. .. .. .. .. .. .. .. . 4-19
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
A UNITS AutoMan .... .. .. .. .. .. .. .. .. .. .. .. .. . 4-20
Contents-2

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
AUTZERO On Off .............................. 4-20
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
AVERAGE SHRT->C ... .. .. . .. .. .. .. .. .. .. .. .. .. . 4-21
NNNNNNNNNNNNNNNNNNNNNNN
AXCH B
...... .. .. .. . .. .. .. .. .. .. .. .. .. .. . 4-22
NNNNNNNNNNNNNNNNNNNNNNN
AXCH C
.................................. 4-23
NNNNNNNNNNNNNNNNNNNNNNN
B<-B-DL .................................. 4-23
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
BEEPER On Off ... .. .. .. . .. .. .. .. .. .. .. .. .. .. . 4-24
NNNNNNNNNNNNNN
bias .................................... 4-24
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
BIAS ADJUST ................................ 4-25
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
BIAS On Off
........ .. . .. .. .. .. .. .. .. .. .. .. . 4-25
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
BIAS PK MAX
................................ 4-25
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
BIAS PK MIN
................................ 4-26
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
BIAS PK RES ................................ 4-26
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
BIAS PK START ... .. .. .. . .. .. .. .. .. .. .. .. .. .. . 4-27
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
BLANKNG On Off .............................. 4-27
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
BLANK TRACES ... .. .. .. . .. .. .. .. .. .. .. .. .. .. . 4-28
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
BLOB On Off
................................ 4-28
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
BNKSTRT On Off
.... .. .. . .. .. .. .. .. .. .. .. .. .. . 4-28
NNNNNNNNNNNNNNNNNNNNNNN
BXCH C .................................. 4-29
NNNNNNNNNNNNNNNNNNNNNNN
CAL ALL .................................. 4-30
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
cal enable
................................ 4-30
NNNNNNNNNNNNNNNNNNNNNNNNNN
CAL GAIN
..... .. .. .. . .. .. .. .. .. .. .. .. .. .. . 4-31
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
CAL LOGAMP ................................ 4-31
NNNNNNNNNNNNNNNNNNNNNNNNNN
cal menu ... .. .. .. .. . .. .. .. .. .. .. .. .. .. .. . 4-31
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
CAL RES BW
.......... . .. .. .. .. .. .. .. .. .. .. . 4-32
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
CAL SRC INT EXT
... .. .. . .. .. .. .. .. .. .. .. .. .. . 4-32
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
cal src values .............................. 4-33
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
CAL VID BW ................................ 4-33
NNNNNNNNNNNNNNNNNNNN
CANCEL ... .. .. .. .. .. . .. .. .. .. .. .. .. .. .. .. . 4-33
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
catalog & MSI ... .. .. .. . .. .. .. .. .. .. .. .. .. .. . 4-34
NNNNNNNNNNNNNN
C<-B .... .. .. .. .. .. . .. .. .. .. .. .. .. .. .. .. . 4-36
NNNNNNNNNNNNNNNNNNNN
CENTER ... .. .. .. .. .. . .. .. .. .. .. .. .. .. .. .. . 4-36
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
CENTER DELTA
... .. .. .. . .. .. .. .. .. .. .. .. .. .. . 4-36
NNNNNNNNNNNNNNNNN
-> CF ... .. .. .. .. .. . .. .. .. .. .. .. .. .. .. .. . 4-37
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
-> CF STEP
................................ 4-37
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
CF STEP AutoMan ... .. .. . .. .. .. .. .. .. .. .. .. .. . 4-38
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
CHANGE PREFIX ... .. .. .. . .. .. .. .. .. .. .. .. .. .. . 4-38
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
CLEAR TO END ... .. .. .. . .. .. .. .. .. .. .. .. .. .. . 4-39
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
CLEAR WRT A ................................ 4-39
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
CLEAR WRT B ................................ 4-40
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
CLEAR WRT C ................................ 4-40
Contents-3