HP 85108A User guide

System Manual
HP 85108A Pulsed-RF
Network Analyzer System
ABCDE
HP Part No. 85108{90023
Printed in USA March 1995

Notice
The information contained in this document is sub ject to change without notice.
Hewlett-Packard makes no warrantyof 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 b e liable for errors contained herein or for incidental or
consequential damages in connection with the furnishing, performance, or use of this material.
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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 1991 Hewlett-Packard Company. All Rights Reserved. Reproduction,
adaptation, or translation without prior written p ermission is prohibited, except as allo wed
under the copyrightlaws.
Santa Rosa Systems Division, 1400 Fountaingrove Pkwy,Santa Rosa, CA 95403-1799
This manual applies directly to all HP 8510Cs, or HP 8510Bs that have been upgraded to HP
8510Cs, with op erating rmware reviwion 6.0 or higher.

CER
TIFICATION
Hew lett-PackardCompany certies that this product met its publishedspecications at the
time of shipment from the factory. Hew lett-Packard further certies that its calibration
me
asur
ements aretraceable to the United States National Institue of Standards and Technology
(NIST, formerly NBS), to the extent al lowed by the institute's calibration facility, and to the
calibration facilities of other International Standards Organization members.
W
ARRANTY
This Hewlett-P
ac
k
ard instrumen
tpro duct is warranted against defects in material and
workmanship for a perio d of one year from date of delivery. During the warranty perio d,
Hewlett-Packard Company will, at its option, either repair or replace pro ducts whichproveto
bedefectiv
e.
F
or w
arranty service or repair, this pro duct must b e returned to a service facility designated
byHP.Buyer shall prepay shipping charges to HP and HP shall pay shipping charges to
return the product to Buyer. However, Buyer shall pay all shipping charges, duties, and taxes
for pro ducts returned to HP from another country.
HP w
arran
ts that its soft
w
are and rm
w
are designated by HP for use with an instrument
will execute its programming instructions when prop erly installed on that instrument. HP
does not warrant that the op eration of the instrument, or software, or rmware will b e
unin
terrupted or error free.
LIMIT
A
TIONS OF W
ARRANTY
The foregoing w
arranty shall not apply to defects resulting from improp er maintenance by
Buy
er, Buy
er-supplied soft
w
are or in
terfacing, unauthorized mo dication or misuse, op eration
outside of the environmental sp ecications for the pro duct, or improp er site preparation or
maintenance.
NO OTHER WARRANTY IS EXPRESSED OR IMPLIED. HP SPECIFICALLY
DISCLAIMS THE IMPLIED WARRANTIES OR MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE.
EXCLUSIVE REMEDIES
THE REMEDIES PROVIDED HEREIN ARE BUYER'S SOLE AND EXCLUSIVE
REMEDIES. HP SHALL NOT BE LIABLE FOR ANY DIRECT, INDIRECT, SPECIAL,
INCIDENTAL, OR CONSEQUENTIAL DAMAGES, WHETHER BASED ON CONTRACT,
TORT, OR ANY OTHER LEGAL THEORY.
ASSISTANCE
Product maintenanc
eagr
eements and other customer assistanc
eagreements are available for
Hew lett-PackardProducts.
For any assistance, contact your nearest Hew lett-Packard Sales and Service Oce. Addresses
areprovidedat theback of this manual.
iii

Contents
1. System and Do cumentation Overview
Intro duction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Ho
wto Use This Manual . . . . . . . . . . . . . . . . . . . . . . . 1-1
System and Do cumentation Overview . . . . . . . . . . . . . . . . 1-1
System Installation . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Operation .. . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Specications and Performance Verication . . . . . . . . . . . . . . 1-1
Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
System Service and Troublesho oting . . . . . . . . . . . . . . . . . 1-2
Replaceable Parts . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Appendix .. . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Index .......... . . . . . . . . . . . . . . . . . . . . 1-2
System Ov
erview ...... . . . . . . . . . . . . . . . . . . . . 1-3
Systems Co
v
ered b
yThis Man
ual ....... . . . . . . . . . . . . . 1-4
HP 85108 Pulsed-RF System Options . . . . . . . . . . . . . . . . . 1-4
Option 001 ... . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Option 010 ......... . . . . . . . . . . . . . . . . . . . 1-4
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
Upgrade Paths . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
HP 8510C Net
w
ork Analyzer . . . . . . . . . . . . . . . . . . . . . 1-5
HP 8510B Network Analyzer . . . . . . . . . . . . . . . . . . . . . 1-5
2. System Installation
Intro duction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
System Arrival . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Receiving Chec
klist .... . . . . . . . . . . . . . . . . . . . . . 2-2
Site Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Environmental Requirements . . . . . . . . . . . . . . . . . . . . . 2-3
Accuracy-Enhanced Measurement Requirements . . . . . . . . . . . . 2-4
Power Requiremen
ts . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
System Heating and Cooling . . . . . . . . . . . . . . . . . . . . . 2-4
System V
oltages . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
Weights and Dimensions . . . . . . . . . . . . . . . . . . . . . . . 2-6
Anti-Static Precautions . . . . . . . . . . . . . . . . . . . . . . . 2-6
Unpacking the System Cabinet . . . . . . . . . . . . . . . . . . . . . 2-6
System Conguration . . . . . . . . . . . . . . . . . . . . . . . . . 2-11
Benchtop Conguration . . . . . . . . . . . . . . . . . . . . . . . 2-11
System Cabling . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12
Installing a Computer . . . . . . . . . . . . . . . . . . . . . . . . . 2-12
Making Connections . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12
The HP-IB Bus . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12
The HP 8510 System Bus . . . . . . . . . . . . . . . . . . . . . . 2-12
Contents-1

Connecting a Plotter . . . . . . . . . . . . . . . . . . . . . . . . 2-12
Accessory ac Power Outlet . . . . . . . . . . . . . . . . . . . . . . 2-13
The HP 85108 Installed In aDieren
tCabinet . . . . . . . . . . . . . 2-13
System Turn On . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17
Turn On System Power . . . . . . . . . . . . . . . . . . . . . . . 2-17
HP-IB Addresses . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17
Initial Trace . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17
Firmw
are Revision ..... . . . . . . . . . . . . . . . . . . . . 2-18
3. Operation
Intro duction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
System Description . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
HP 85110 S-Parameter Test Set Operation . . . . . . . . . . . . . . . 3-2
Con
trolling Multiple T
est Sets ... . . . . . . . . . . . . . . . . . . 3-3
Operational Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
Operational Test Pro cedure . . . . . . . . . . . . . . . . . . . . . 3-5
Pulse Measuremen
ts Ov
erview .. . . . . . . . . . . . . . . . . . . . 3-12
Making Pulsed-RF Measurements . . . . . . . . . . . . . . . . . . . . 3-14
F
requency Domain (P
oin
t-in-Pulse) ........ . . . . . . . . . . 3-14
Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-14
Measuremen
t. . . . . . . . . . . . . . . . . . . . . . . . . . . 3-15
Pulse Prole Domain ...... . . . . . . . . . . . . . . . . . . 3-16
Calibration ............... . . . . . . . . . . . . . 3-16
Pulse Prole Domain . . . . . . . . . . . . . . . . . . . . . . 3-17
F
requency Domain Using Frequency List . . . . . . . . . . . . . . 3-17
Measuremen
t......... . . . . . . . . . . . . . . . . . . 3-19
Switching Between Frequency Domain and Pulse Prole Domain . . . . 3-22
Pulsed-RF Applications . . . . . . . . . . . . . . . . . . . . . . . . 3-23
Pulsed-RF Timing Information .... . . . . . . . . . . . . . . . . 3-23
Network Analyzer Measurement Cycle . . . . . . . . . . . . . . . . 3-23
Measurement Cycle Time . . . . . . . . . . . . . . . . . . . . . . 3-24
Pulse Repetition Perio d and Duty Cycle Considerations . . . . . . . . 3-24
External Trigger and Stop Sweep Signals . . . . . . . . . . . . . . . 3-25
Using External T
riggering and Pulse Mo dulation . . . . . . . . . . . . 3-26
Connect the Pulse Generator . . . . . . . . . . . . . . . . . . . . 3-26
High Power Measurements . . . . . . . . . . . . . . . . . . . . . . 3-29
Connecting External Signal Conditioning . . . . . . . . . . . . . . 3-30
Example High P
ow
er Measurements . . . . . . . . . . . . . . . . . 3-30
Measure a 30 dB Amplier . . . . . . . . . . . . . . . . . . . . 3-31
Measure an Amplier with High Input Lev
els . . . . . . . . . . . . 3-31
Using the Port 1 and Port 2 Attenuators . . . . . . . . . . . . . . . 3-32
Controlling the A
ttenuators . . . . . . . . . . . . . . . . . . . 3-33
Measure User Parameters and Set Attenuators . . . . . . . . . . . 3-33
Changing Signal Path After Calibration . . . . . . . . . . . . . . . 3-33
Set the Attenuators . . . . . . . . . . . . . . . . . . . . . . . 3-34
Store Trace Memories . . . . . . . . . . . . . . . . . . . . . . 3-34
View the Normalized Parameters . . . . . . . . . . . . . . . . . 3-34
Selecting Appropriate Measurement Calibration . . . . . . . . . . . . 3-35
General Calibration and Measurement Sequence . . . . . . . . . . . 3-36
General Calibration and Measurement Sequence Using Display Math . . 3-36
Contents-2

4. Specications and Performance Verication
Intro duction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Required Equipmen
t..... . . . . . . . . . . . . . . . . . . . . 4-3
Verifying Non-Standard Systems . . . . . . . . . . . . . . . . . . . 4-3
Recommended Performance Verication Cycle . . . . . . . . . . . . . . 4-4
Generating System Sp ecications . . . . . . . . . . . . . . . . . . . . 4-4
Performance Verication Pro cedure . . . . . . . . . . . . . . . . . . . 4-4
Connect the Computer and W
arm Up the System . . . . . . . . . . . . 4-4
Load BASIC and BIN Files . . . . . . . . . . . . . . . . . . . . . 4-4
Run the Specications and Performance Verication Software . . . . . . . 4-5
Measuremen
tCalibration ... . . . . . . . . . . . . . . . . . . . 4-7
Power Levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8
Source 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8
Source 2.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8
Detectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8
Power Slope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9
Frequency Oset . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9
Measure the Verication Standards . . . . . . . . . . . . . . . . . . 4-10
General Characteristics .. . . . . . . . . . . . . . . . . . . . . . . 4-10
5. Adjustments
In
tro duction ...... . . . . . . . . . . . . . . . . . . . . . . . 5-1
Equipmen
tRequired ............. . . . . . . . . . . . . 5-1
A3/A4 Pulse Detector Adjustment . . . . . . . . . . . . . . . . . . . 5-2
6. System Service and Troubleshooting
In
tro duction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
Getting Help ........ . . . . . . . . . . . . . . . . . . . . 6-1
Troublesho oting . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
Troublesho oting Strategy . . . . . . . . . . . . . . . . . . . . . . 6-1
Do cumentation Required . . . . . . . . . . . . . . . . . . . . . . . 6-2
1. Note the Symptoms of the Failure . . . . . . . . . . . . . . . . . 6-2
2. Check System Setup . . . . . . . . . . . . . . . . . . . . . . . 6-2
Pro cedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
HP 8360 Series Source Check Software Revision, Language, and HP-IB
Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-3
FrontPanel Keys Metho d . . . . . . . . . . . . . . . . . . . . . 6-3
Rear Panel SwitchMethod . . . . . . . . . . . . . . . . . . . . . 6-4
HP 8340/41 Source HP-IB Address Chec
k . . . . . . . . . . . . . . 6-4
Pro cedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4
3. Use Error Messages and Internal Diagnostics . . . . . . . . . . . . . 6-5
Pro cedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-5
Running Error Messages Specic to Pulsed-RF Systems . . . . . . . . 6-6
PULSE CAL F
AILURE ON TEST/REFERENCE CHANNEL(S) . . . 6-6
PULSE CAL FAILURE ON BOTH CHANNELS . . . . . . . . . . 6-6
UNABLE TO LOCK TO EXT 10 MHZ REF . . . . . . . . . . . . 6-7
4. Use Specic Pro cedures for Certain Symptomatic Failures . . . . . . . 6-7
Power loss, p ower holes, and frequency related problems . . . . . . . 6-7
Calibration and Verication problems . . . . . . . . . . . . . . . 6-7
Software/rmware problems . . . . . . . . . . . . . . . . . . . 6-7
Network Analyzer Startup Problems . . . . . . . . . . . . . . . . . . 6-8
Contents-3

Reloading the Operating System . . . . . . . . . . . . . . . . . . 6-8
Unratio ed Power Level Check . . . . . . . . . . . . . . . . . . . . . 6-9
Pro cedure ...... . . . . . . . . . . . . . . . . . . . . . . . 6-9
Setting Source 1 Power Level . . . . . . . . . . . . . . . . . . . . . 6-10
Signal Path Check . . . . . . . . . . . . . . . . . . . . . . . . . 6-10
Chec
king a1 and a2 Signal Paths . . . . . . . . . . . . . . . . . . 6-10
Checking b1 and b2 Signal Paths . . . . . . . . . . . . . . . . . . 6-11
Analyzing the Signal P
ath Chec
kResults . . . . . . . . . . . . . . 6-12
Power loss or power hole . . . . . . . . . . . . . . . . . . . . . 6-12
Symptom in Wide BW Only . . . . . . . . . . . . . . . . . . . 6-12
Symptom in Normal BW only . . . . . . . . . . . . . . . . . . 6-12
Pulsed-RF IF Signal Path Description . . . . . . . . . . . . . . . . 6-12
IF Mixer Boards (A9, A11, A13, A14) . . . . . . . . . . . . . . . 6-12
A2 Pulse IF Mux Board . . . . . . . . . . . . . . . . . . . . . 6-13
Pulse Detector Boards . . . . . . . . . . . . . . . . . . . . . . 6-13
A16 Remote Application / Pulse Track & Hold Board . . . . . . . . 6-13
HP 85108 IF/Detector Option 008 Pulsed-RF IF Path Troubleshooting
Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-13
Pro cedure 1: Service Adapter Test . . . . . . . . . . . . . . . . . . 6-16
Equipmen
t......... . . . . . . . . . . . . . . . . . . . 6-16
Service Adapter Pro cedure . . . . . . . . . . . . . . . . . . . . . 6-16
Conclusions . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-16
Pro cedure 2: A2 Pulse IF Mux Test IF Path Check . . . . . . . . . . 6-16
Pro cedure 3: A2 Pulse IF Mux Reference IF P
ath Chec
k. ..... .. 6-17
Pro cedure 4: A3/A4 Pulse Detector IF Path Check . . . . . . . . . . 6-18
Pro cedure 5: A6 Clo ck 20 MHz Output Check . . . . . . . . . . . . 6-19
7. Replaceable Parts
In
tro duction .... . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
To Order Parts. . . . fast! . . . . . . . . . . . . . . . . . . . . . . . 7-1
A. Glossary of Pulsed-RF System Terms
Intro duction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1
Pulse Repetition Perio d, PRP . . . . . . . . . . . . . . . . . . . . A-1
Pulse Repetition Frequency, PRF . . . . . . . . . . . . . . . . . . . A-1
Duty Cycle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1
Pulse Width . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-2
Rise/Fall Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-2
Trigger Delay. . . . . . . . . . . . . . . . . . . . . . . . . . . . A-2
Pulse Prole Measurement Resolution Perio d . . . . . . . . . . . . . . A-2
B. Hardware and Instrument States
Intro duction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1
HP-IB Addresses . . . . . . . . . . . . . . . . . . . . . . . . . . B-1
Hardware States . . . . . . . . . . . . . . . . . . . . . . . . . . B-2
InstrumentStates . . . . . . . . . . . . . . . . . . . . . . . . . . B-2
Examining Your Pulse Hardware and Instrument States . . . . . . . . . . B-3
Check HP-IB Addresses . . . . . . . . . . . . . . . . . . . . . . . B-3
Check Multiple Source Settings . . . . . . . . . . . . . . . . . . . . B-3
Contents-4

C. Loading the System Conguration Disk
Intro duction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-1
Pro cedure ...... . . . . . . . . . . . . . . . . . . . . . . . C-1
Index
Contents-5

Figures
1-1. HP 85108 Pulsed-RF Network Analyzer System . . . . . . . . . . . . . 1-3
1-2. Typical Serial Number Label . . . . . . . . . . . . . . . . . . . . . 1-4
2-1. HP 85108 Pulsed-RF Network Analyzer System . . . . . . . . . . . . . 2-3
2-2. Unpacking the HP 85108 System Cabinet in Air Carrier Style Packaging (1 of
4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7
2-2. Unpacking the HP 85108 System Cabinet in Air Carrier Style Packaging (2 of
4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
2-2. Unpac
king the HP 85108 System Cabinet in Air Carrier Style Packaging (3 of
4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9
2-2. Unpacking the HP 85108 System Cabinet in Air Carrier Style Packaging (4 of
4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10
2-3. HP 85108 System Cabling Diagram (rackmounted system) . . . . . . . . 2-14
2-4. HP 85108 System Cabling Diagram (b enc
h
top conguration - without
amplier) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15
2-5. HP 85108 System Cabling Diagram (b enchtop conguration - with amplier) 2-16
2-6. HP 85108 Initial Trace . . . . . . . . . . . . . . . . . . . . . . . . 2-18
3-1. Simplied Pulsed-RF Net
work Analyzer Blo ck Diagram . . . . . . . . . 3-2
3-2. HP 85110A S-P
arameter T
est Set Signal Flow. . . . . . . . . . . . . 3-3
3-3. InstrumentState1 . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
3-4. InstrumentState2 . . . . . . . . . . . . . . . . . . . . . . . . . 3-6
3-5. Instrumen
tState 3.. . . . . . . . . . . . . . . . . . . . . . . . 3-7
3-6. InstrumentState4 . . . . . . . . . . . . . . . . . . . . . . . . . 3-8
3-7. InstrumentState5 . . . . . . . . . . . . . . . . . . . . . . . . . 3-9
3-8. Instrumen
tState6 . . . . . . . . . . . . . . . . . . . . . . . . . 3-10
3-9. InstrumentState7 . . . . . . . . . . . . . . . . . . . . . . . . . 3-11
3-10. InstrumentState8 . . . . . . . . . . . . . . . . . . . . . . . . . 3-12
3-11. Pulsed-RF S-Parameters versus Frequency (Frequency Domain Point-in-Pulse) 3-13
3-12. Pulsed-RF S-Parameters versus Time (Pulse Prole Domain) Measurement.
Internal Pulse Output and Internal MeasurementTrigger . . . . . . . 3-14
3-13. Amplier Gain, Frequency Domain Point-in-Pulse . . . . . . . . . . . . 3-16
3-14. F
requency List Displa
y During Measuremen
t Calibration . . . . . . . . . 3-18
3-15. Pulse Prole, Frequency List Segment Number 1 . . . . . . . . . . . . 3-19
3-16. S
21
, Pulse Prole, Thru . . . . . . . . . . . . . . . . . . . . . . . 3-20
3-17. Minimum Time Span, Resolution P
erio d = 100 ns . . . . . . . . . . . . 3-21
3-18. S
11
, Smith Chart . . . . . . . . . . . . . . . . . . . . . . . . . . 3-22
3-19. Net
work Analyzer Measurement Cycle . . . . . . . . . . . . . . . . . 3-23
3-20. Example Internal Pulse Output PRP and Duty Cycle . . . . . . . . . . 3-25
3-21. External Trigger and Stop Sweep Timing Diagram . . . . . . . . . . . 3-26
3-22. External Control of PRP and DutyCycle . . . . . . . . . . . . . . . 3-27
3-23. Using External Trigger and External Mo dulation PRP = 10 microseconds,
Duty Cycle = 50% . . . . . . . . . . . . . . . . . . . . . . . . 3-28
3-24. Test Set Maxim um Signal Levels . . . . . . . . . . . . . . . . . . . 3-30
Contents-6

3-25. Measuring a 30 dB gain Amplier . . . . . . . . . . . . . . . . . . . 3-31
3-26. Measuring an Amplier with High Input Levels . . . . . . . . . . . . . 3-32
4-1. Specications and P
erformance V
erication Flow Diagram . . . . . . . . 4-2
4-2. HP 8510 Service Program Menu(1 of 2) . . . . . . . . . . . . . . . . 4-12
4-3. HP8510 Service Program Menu(2 of2) . . . . . . . . . . . . . . . . 4-14
5-1. Adjustment Pro cedure Setup . . . . . . . . . . . . . . . . . . . . . 5-2
5-2. A2 IF MUX Board Connections . . . . . . . . . . . . . . . . . . . 5-3
5-3. Misadjusted Pulse Detector Displa
yT
race . . . . . . . . . . . . . . . 5-5
5-4. Adjusted Pulse Detector Display Trace . . . . . . . . . . . . . . . . 5-5
6-1. HP 8360 Series Source Rear Panel Switches . . . . . . . . . . . . . . 6-4
6-2. Simplied a1 and b1 Pulsed-RF Signal Paths . . . . . . . . . . . . . . 6-9
6-3. a1 and a2 Signal Paths . . . . . . . . . . . . . . . . . . . . . . . 6-11
6-4. b1 and b2 Signal Paths . . . . . . . . . . . . . . . . . . . . . . . 6-12
6-5. HP 85102 Pulsed-RF Signal Path . . . . . . . . . . . . . . . . . . . 6-14
6-6. Pulsed-RF IF Path Troublesho oting Flowchart . . . . . . . . . . . . . 6-15
6-7. HP 85108 System Blo ck Diagram . . . . . . . . . . . . . . . . . . . 6-21
6-8. IF Detector with Pulse Option Blo ck Diagram (1 of 2) . . . . . . . . . . 6-23
6-9. IF Detector with Pulse Option Blo ck Diagram (2 of 2) . . . . . . . . . . 6-25
7-1. HP 85108 Replaceable Parts . . . . . . . . . . . . . . . . . . . . . 7-2
7-2. HP 85108 Replaceable P
arts ..... . . . . . . . . . . . . . . . . 7-5
A-1. Pulse Terms and Denitions . . . . . . . . . . . . . . . . . . . . . A-3
Contents-7

Tables
2-1. HP 85108 Receiving Checklist . . . . . . . . . . . . . . . . . . . . 2-2
2-2. HP 85108 Option 010 - Adds Time Domain to the HP 8510 . . . . . . . 2-2
2-3. HP 85108 Environmental Requirements . . . . . . . . . . . . . . . . 2-3
2-4. Maximum V
ARatings and BTU/hour Ratings of HP Instruments . . . . . 2-5
2-5. Possible RF & LO Sources for Pulsed-RF Systems . . . . . . . . . . . 2-11
2-6. HP 85108 System HP-IB Addresses . . . . . . . . . . . . . . . . . . 2-17
4-1. General Characteristics .... . . . . . . . . . . . . . . . . . . . 4-11
6-1. System Setup CheckTable . . . . . . . . . . . . . . . . . . . . . . 6-3
6-2. InstrumentPower On Sequence . . . . . . . . . . . . . . . . . . . . 6-6
7-1. HP 85108 Replaceable Parts . . . . . . . . . . . . . . . . . . . . . 7-3
7-2. HP 85108 Replaceable Parts . . . . . . . . . . . . . . . . . . . . . 7-6
B-1. HP-IB Addresses Specic to Pulsed-RF Systems .. . . . . . . . . . . B-1
B-2. Hardware States Specic to the Pulsed-RF System . . . . . . . . . . . B-2
B-3. Instrument States Specic to the Pulsed-RF System . . . . . . . . . . . B-2
B-4. Multiple Source Settings for the Pulsed-RF System . . . . . . . . . . . B-2
C-1. HP 85108 System Conguration Disk Files . . . . . . . . . . . . . . . C-1
Contents-8

1
System and Documentation Overview
Introduction
This manual contains information on the installation, op eration, and repair of the
HP 85108 Pulsed-RF Net
w
ork Analzy
er System. This manual may also b e helpful for
customer-congured pulsed-RF systems; the primary dierence b eing the absence of the
system cabinet in some customer-congured systems.
The HP 85108 system, shown in Figure 1-1, is a factory integrated pused-RF system which
includes the following components.
HP 8510C option 008 network analyzer.
HP 83622A sysn
thesized sweeper with options 001, 003, 004, and 008.
HP 83624A syn
thesized sw
eeper with options 003, 004, and 008.
HP 85110A S-parameter test set.
System cabinet (all system instruments are installed in this cabinet at the factory).
Ho
wto Use This Manual
Use this manual for installation, operation, calibration, performance verication, and
troublesho oting of the pulsed-RF network analyzer system. consult the manuals of the
individual instrumen
ts and accessories in the system when necessary for reference.
This man
ual con
tains the following sections.
System and Documentation Overview
Includes an overview of the pulsed-RF network analyzer system and its supp orting
documentation.
System Installation
Includes information regarding site requiremen
ts prior to installation, and
cabling/conguration diagrams.
Operation
Includes several system op erational tests, and instructions for using the pulsed-RF network
analyzer system to mak
e measurements.
Specifications and Performance Verification
Includes instructions for obtaining the sp ecications of your pulsed-RF network analyzer
system and pro cedures for running a performance verication of your system.
System and Documentation Overview 1-1

Adjustments
Includes adjustments related to the pulsed-RF p ortion of the system. For other adjustments,
refer to the service manual of the individual instrument in question.
System Service and Troubleshooting
Includes information for troublesho oting the pused-RF portion of the system to the board
lev
el, and troublesho oting the rest of the system to the instrument level. System cabling
diagrams are also included. When the faulty instrument is identied, refer to its manual for
further troublesho oting information.
Replaceable Parts
Includes a list of replaceable parts that pertain to the pused-RF p ortion of the system.
Refer to the replaceable parts section of the individual instrument for a complete listing of
replaceable parts.
Appendix
Includes aglossary of pulsed-RF terms, information regarding system HP-IB addresses, p ower
lev
els, and apro cedure for loading the HP 85108 system conguration disk.
Index
A sub ject index with alphab etized entries.
1-2 System and Documentation Overview

Figure 1-1. HP 85108 Pulsed-RF Netw
ork Analyzer System
System Overview
The pused-RF network analyzer system provides you with the ability to measure and display
the relativemagnitude and phase shift of the component under test as a function of time with
an equivalent bandwidth of 1.5 Mhz. this allows the evaluation of the dynamic pulsed-RF
characteristics for pulse widths down to 1  second.
You can congure a pulsed-RF system using your existing HP 8510 network analyzer system
by adding pulsed-RF capability (option 008) to your network analyzer. Refer to the paragraph
titled Upgrade Paths in this chapter for more information.
System and Documentation Overview 1-3

Systems Covered by This Manual
A serial number label is attached to each HP 85108 system cabinet. This lab el is lo cated on
the front of the cabinet in the lower left corner, and has the serial number of your system
prin
ted on it.
Figure 1-2 shows a typical serial number lab el. Ther serial number has two parts. The rst
four digits followed by a letter comprise the serial numb er prex. The last ve digits form the
sequen
tial sux that is unique to each instrument (or system). The contents of this manual
apply directly to systems having the same serial number prex, or higher, as listed on the
Title Page of this manual under the heading Serial Numbers.
Figure 1-2. Typical Serial Number Label
HP 85108 Pulsed-RF System Options
The follo
wing options are available with the HP 85108 system.
Option 001
This test set option add IF switching capability to allow a total of four test sets to be
connected to the HP 8510 at the same time. The test set in use is selectrd from the HP 8510
fron
tpanel. The 20 Mhz IF signal is transmitted from the selected test set through the option
001 test set(s) to the network analyzer. IF switching is p erformed automatically by the option
001 test set(s), without reconnections. For more information refer to Controlling Multiple Test
Sets in the Operation chapter of this manual.
Option 010
This option adds time domain capabilit
y to the HP 8510 net
work analyzer.
1-4 System and Documentation Overview

Warranty
The HP 85108 system carries a one year on-site warranty.
Pulse upgrades (either the HP 85111A or 85111B) include a 90 day on-site warranty from
the date of installation. This warrantycovers the mo died HP 85102 and is valid only if the
upgrad package is installed by an HP Customer Engineer. Installation of the upgrade kits
does not change an existing service contract in anyway.
Upgrade Paths
HP 8510C Network Analyzer
To add pulsed-RF capability to your HP 8510C, order the HP 85111B upgrade kit.
HP 8510B Netw
ork Analyzer
T
o add pulsed-RF capabilit y to your HP 8510B, order the HP 85111A upgrade kit.
System and Documentation Overview 1-5

2
System Installation
Introduction
This chapter contains the following information.
Site preparation.
System conguration.
System turn on.
The pulsed-RF network analyzer system is rack-mounted, assembled, and has the cabling
attached when it arrives from the factory.
During the installation, the HP customer engineer (CE) will do the following:
Uncrate the system cabinet.
Complete the receiving checklist.
T
urn on the system and v
erify that the HP-IB addresses of each instrument are set prop erly.
Run aperformance v
erication of the system, whic
hincludes ameasurement calibration.
System Arrival
The system will arrive with all rack comp onents and instruments assembled and cabled in the
system cabinet.
Keep the shipping containers in one area to help verify the receipt of all components ordered.
Inspect all shipping containers. Keep the carton and packaging material until the entire
shipment has been veried for completeness, and the system has b een checked mechanically
and electrically. Check all equipment received against the receiving checklist on the following
page.
If the shipmen
t is damaged or incomplete, notify the nearest Hewlett-P
ackard oce. If the
shipping con
tainer is damaged or the packaging material shows signs of stress, notify the
carrier as well as the HP oce. Keep the shipping materials for the carrier's insp ection. The
Hewlett-Packard oce will arrange for repair or replacement of damaged equipment without
waiting for a claim settlement from the carrier.
System Installation 2-1

Receiving Checklist
When the en
tire shipment has arrived, contact the nearest HP oce to arrange for installation
of your system (if installation is available in your area). The HP customer engineer will
perform the installation, beginning with the following receiving checklist.
Refer to your system while you review this checklist.
Table 2-1. HP 85108 Receiving Checklist
Instrument Manual Part
Number
HP 8510C Network Analyzer (option 008) 08510-90275
HP 85110 S-parameter T
est Set 85110-90001
HP 83622A Synthesized Sweeper (with options 001, 003, 004, and 008) 83620-90007
HP 83624A Synthesized Sweeper (with options 003, 004, and 008) 83620-90007
Software
HP 8510 Specications and P
erformance V
erication Software (Revision A.03.01 or higher) 08510-10033
HP 85108 System Conguration Disk 85108-10007
T
able 2-2. HP 85108 Option 010 -Adds Time Domain to the HP 8510
Instrumen
tMan
ual P
art
Num
ber
HP 85108 Standard System
(has time domain capability)
85108-90048
Miscellaneous Equipment
(not part of the system)
Plotter
Computer
1
Calibration Kits
1
Verication Kits
1
1 Required for system p erformance v
erication.
Refer to the Sp ecication and P
erformance
Verication chapter for more information.
2-2 System Installation