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Errata
Title & Document Type: 8562E Spectrum Analyzer Service Manual
Manual Part Number: 08562-90216
Revision Date: 1997-12-01
HP References in this Manual
This manual may contain references to HP or Hewlett-Packard. Please note that Hewlett-
Packard's former test and measurement, semiconductor products and chemical analysis
businesses are now part of Agilent Technologies. We have made no changes to this
manual copy. The HP XXXX referred to in this document is now the Agilent XXXX.
For example, model number HP8648A is now model number Agilent 8648A.
About this Manual
We've added this manual to the Agilent website in an effort to help you support your
product. This manual provides the best information we could find. It may be incomplete
or contain dated information, and the scan quality may not be ideal. If we find a better
copy in the future, we will add it to the Agilent website.
Support for Your Product
Agilent no longer sells or supports this product. You will find any other available
product information on the Agilent Test & Measurement website:
www.tm.agilent.com
Search for the model number of this product, and the resulting product page will guide
you to any available information. Our service centers may be able to perform calibration
if no repair parts are needed, but no other support from Agilent is available.
Service Guide
HP 8562E Spectrum Analyzer
Fia HEWLETT
PACKARD
HP Part No. 08582-90218 Supersedes 08582-90209
Printed in USA December 1997
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 fitness 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.
@ Copyright Hewlett-Packard Company 1996
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, USA
Certification
Hewlett-Packard Company certifies that this product met its published specifications at the
time of shipment from the factory. Hewlett-Packard further certifies that its calibration
measurements are traceable to the United States National Institute of Standards and
Technology, to the extent allowed by the Institute's calibration facility, and to the calibration
facilities of other International Standards Organization members.
Regulatory Information
The HP 8560 E-Series Spectrum Analyzer Calibration Guide contains regulatory information. .
Warranty
This Hewlett-Packard instrument product is warranted against defects in material and
workmanship for a period 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-Packard warrants that its software and firmware designated by Hewlett-Packard for
use with an instrument will execute its programming instructions when properly installed on
that instrument. Hewlett-Packard does not warrant that the operation of the instrument, or
software, or firmware 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 modification or
misuse, operation outside of the environmental specifications 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.
EXCLUSIVE 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 DAMAGES, WHETHER
BASED ON CONTRACT, TORT, OR ANY OTHER LEGAL THEORY.
...
III
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 Ofice.
Safety Notes
The following safety notes are used throughout this manual. Familiarize yourself with each of
the notes and its meaning before operating this instrument.
Caution Caution denotes a hazard. It calls attention to a procedure that, if not
correctly performed or adhered to, could result in damage to or destruction
of the instrument. Do not proceed beyond a caution sign until the indicated
conditions are fully understood and met.
Warning Warning denotes a hazard. It calls attention to a procedure which, if not
correctly performed or adhered to, could result in injury or loss of life. Do
not proceed beyond a warning note until the indicated conditions are fully
understood and met.
Instruction The instruction manual symbol. The product is marked with this symbol when it is
Manual necessary for the user to refer to the instructions in the manual.
iv
General Safety Considerations
Warning This is a Safety Class I product (provided with a protective earthing ground
incorporated in the power cord). The mains plug shall only be inserted in a
socket outlet provided with a protective earth contact. Any interruption of the
protective conductor, inside or outside the instrument, is likely to make the
instrument dangerous. Intentional interruption is prohibited.
Warning No operator serviceable parts inside. Refer servicing to qualified personnel. To
prevent electrical shock, do not remove covers.
Caution Before switching on this instrument, make sure that the line voltage selector
switch is set to the voltage of the power supply and the correct fuse is
installed.
V
How to Use This Guide
Chapter 7, "General Troubleshooting," can be used to identify the location of a problem to a
board or functional area in the spectrum analyzer.
Chapters 8 through 13, which cover the functional areas, can then be used to help you localize
the problem further.
Once the faulty area is identified, the adjustments and parts information located in chapters 1
through 6 is available to help you fix the problem.
This guide uses the following conventions:
Front-panel Key) This represents a key physically located on the instrument.
Sof tkq This indicates a "softkey," a key whose label is determined by the instrument
firmware.
Screen Text This indicates text displayed on the spectrum analyzer screen.
Documentation Outline
HP 8560 E-Series Spectrum Analyzer Calibration Guide
n Tells you how to run verification software.
n Tells you the specifications of your spectrum analyzer.
n Tells you how to test your spectrum analyzer.
HP 8560 E-Series Spectrum Analyzer User's Guide
n Tells you how to make measurements with your spectrum analyzer.
n Tells you how to install the spectrum analyzer.
n Tells you how to program your spectrum analyzer.
HP 8560 E-Series Spectrum Analyzer Quick Reference Guide
n Is an abbreviated version of the HP 8560 E-Series Spectrum Analyzer User's Guide.
n Provides you with a listing of all remote programming commands.
HP 8560 E-Series Spectrum Analyzer Component Level Information
n Provides schematics and parts lists for the instrument.
vi
Contents
1. General Information
Serial Numbers and Repair Information . . . . . . . . . . . . . . . . . l-l
Instrument Variations . . . . . . . . . . . . . . . . . . . . . . . . . l-2
HP 85629B Test and Adjustment Module . . . . . . . . . . . . . . . . l-3
Service Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . l-4
Electrostatic Discharge . . . . . . . . . . . . . . . . . . . . . . . . l-4
Reducing Potential for ESD Damage . . . . . . . . . . . . . . . . . l-5
Static-Safe Accessories . . . . . . . . . . . . . . . . . . . . . . . . l-6
Returning Instruments for Service . . . . . . . . . . . . . . . . . . . . l-6
Service Tag . . . . . . . . . . . . . . . . . . . . . . . . . . . . l-6
Original Packaging . . . . . . . . . . . . . . . . . . . . . . . . . l-6
0 t her Packaging . . . . . . . . . . . . . . . . . . . . . . . . . . l-7
Recommended Test Equipment . . . . . . . . . . . . . . . . . . . . . l-9
Sales and Service Offices . . . . . . . . . . . . . . . . . . . . . . . . 1-16
2. Adjustment Procedures
.Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-l
Safety Considerations . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Which Adjustments Should Be Performed? . . . . . . . . . . . . . . . 2-2
Test Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Adjustable and Factory-Selected Components . . . . . . . . . . . . . . 2-2
Adjustment Tools . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Instrument Service Position . . . . . . . . . . . . . . . . . . . . . 2-3
Using the TAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9
Test Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9
Adjustment Indicator . . . . . . . . . . . . . . . . . . . . . . . . 2-9
Front End Cal (adjustment) . . . . . . . . . . . . . . . . . . . . . . 2-12
1. High Voltage Power Supply Adjustment . . . . . . . . . . . . . . . 2-13
2. Display Adjustment . . . . . . . . . . . . . . . . . . . . . . . 2-15
3. IF Bandpass Adjustment . . . . . . . . . . . . . . . . . . . . . 2-21
4. IF Amplitude Adjustments . . . . . . . . . . . . . . . . . . . . 2-26
5. DC Log Amplifier Adjustments . . . . . . . . . . . . . . . . . . 2-30
6. Sampling Oscillator Adjustment . . . . . . . . . . . . . . . . . . 2-34
7. YTO Adjustment . . . . . . . . . . . . . . . . . . . . . . . . 2-37
8. LO Distribution Amplifier Adjustment . . . . . . . . . . . . . . . 2-40
9. Frequency Response Adjustment . . . . . . . . . . . . . . . . . . 2-43
10. Calibrator Amplitude Adjustment . . . . . . . . . . . . . . . . . 2-47
11. 10 MHz Reference Adjustment-OCXO (Non-Option 103) . . . . . . 2-48
12. 10 MHz Reference Adjustment-TCXO (Option 103) . . . . . . . . 2-51
13. Demodulator Adjustment . . . . . . . . . . . . . . . . . . . . . 2-53
14. External Mixer Bias Adjustment (Non-Option 327) . . . . . . . . . 2-56
15. External Mixer Amplitude Adjustment (Non-Option 327) . . . . . . 2-57
Contents-l
16. YIG-Tuned Filter/Mixer (RYTHM) Adjustment . . . . . . . . . . . 2-60
17. 16 MHz PLL Adjustment . . . . . . . . . . . . . . . . . . . . . 2-63
18. 600 MHz Reference Adjustment . . . . . . . . . . . . . . . . . . 2-66
3. Frequency Response Adjustment Software
Getting Started . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Spectrum Analyzers . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Controller (Computer) . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Test Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
Warmup Time . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
Test Equipment Warmup . . . . . . . . . . . . . . . . . . . . . 3-3
Spectrum Analyzer Warmup . . . . . . . . . . . . . . . . . . . . 3-3
Equipment Connections . . . . . . . . . . . . . . . . . . . . . . . 3-4
Computer (Controller) Setup . . . . . . . . . . . . . . . . . . . . 3-4
HP-IB Cables . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
10 MHz Reference . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
Adjustment Setups . . . . . . . . . . . . . . . . . . . . . . . . 3-4
Using Frequency Response Adjustment Software . . . . . . . . . . . . . 3-5
Loading the Program . . . . . . . . . . . . . . . . . . . . . . . . 3-5
Program Operation . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
Conditions Menu . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6
Test Record Header Information . . . . . . . . . . . . . . . . . . 3-6
System Mass Storage File Location . . . . . . . . . . . . . . . . . 3-6
Power Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6
Setting HP-IB Addresses . . . . . . . . . . . . . . . . . . . . . . 3-7
Storing and Loading the Conditions File . . . . . . . . . . . . . . . 3-7
Getting to the Adjust Menu . . . . . . . . . . . . . . . . . . . . 3-8
Verifying the HP-IB . . . . . . . . . . . . . . . . . . . . . . . . 3-8
Querying the Spectrum Analyzer Serial Number . . . . . . . . . . . 3-8
Exiting Frequency Response Adjustment . . . . . . . . . . . . . . . 3-8
Dual-Bus Operation . . . . . . . . . . . . . . . . . . . . . . . . 3-8
Sensor Utilities Menu . . . . . . . . . . . . . . . . . . . . . . . . 3-9
Adding a Power Sensor Data File . . . . . . . . . . . . . . . . . . 3-9
Viewing and Editing a Power Sensor Data File . . . . . . . . . . . . 3-10
Deleting a File . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10
Changing the System Mass Storage File Location . . . . . . . . . . . 3-10
Listing Available Power Sensor Data Files . . . . . . . . . . . . . . 3-10
Returning to the Conditions Menu . . . . . . . . . . . . . . . . . 3-10
Adjust Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10
Single Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11
Calibrate Power Sensor . . . . . . . . . . . . . . . . . . . . . . 3-11
List Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11
Frequency Response Adjustment Menu Softkeys . . . . . . . . . . . . . 3-12
Conditions Menu . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12
Sensor Utilities Menu . . . . . . . . . . . . . . . . . . . . . . . . 3-12
Adjust Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13
Front End Cal (YIG-Tuned Filter/Mixer (RYTHM) and Frequency
Response Adjustment) . . . . . . . . . . . . . . . . . . . . . 3-14
Frequency Response Adjustment Error Messages . . . . . . . . . . . . . 3-16
Error Messages Beginning with Alphabetic Characters . . . . . . . . . . 3-16
Address must be from 0 to 30 inclusive . . . . . . . . . . . . . . . 3-16
Contents-2
Cal Factor outside of 0 to 150% range entered . . . . . . . . . . . . 3-16
CONDITIONS file from system file location is not compatible! WARNING 3-16
Conditions Menu DUT ID disagrees with responding DUT ID . . . . . 3-16
Data not accepted, check entry format . . . . . . . . . . . . . . . . 3-16
DUT doesn't respond at address listed . . . . . . . . . . . . . . . . 3-16
File not found . . . . . . . . . . . . . . . . . . . . . 3-17
Insufficient equip. to do test : . . . . . . 3-17
No HP-IB address listed for DUT . . . . . . . . . . . . . . . . . . 3-17
Non-numeric entry other than S entered, or frequency <=O . . . . . . 3-17
No sensor file found for S/N . . . . 3-17
Power meter reads dBm . . . . . . . . . . . . . . . . . . 3-17
Select code does not currently support HP-IB operations . . . 3-17
Sensor serial number must be from 1 to 99999 . . . . . . . . . . . . 3-17
System mass storage file location catalog cannot be read . . . . . . . . 3-17
This program does not support the current DUT . . . . . . . . . . . 3-17
Unable to load CONDITIONS file from listed system file location . . . . 3-18
Unable to load data from . . . . . . . . . . . . . 3-18
Unable to obtain catalog from . . . 3-18
Unable to reach power level of dBm . . . . . . . . . . . . . 3-18
WARNING: CONDITIONS file from system file location is not compatible! 3-18
Error Messages Beginning with Numeric Characters . . . . . . . . . . . 3-18
8481A Sensor cal data minimum frequency not <= 50 MHz . . . . . . 3-18
8481A Sensor cal data maximum frequency not >= 300 MHz . . . . . . 3-18
8485A Sensor cal data minimum frequency not = 10 MHz . . . . . . . 3-18
8485A Sensor cal data maximum frequency not >= 26.5 GHz . . . . . 3-18
Error Messages Beginning with Variables . . . . . . . . . . . . . . . 3-19
file not found . . . . . . . . . . . . . . . . . . . . . 3-19
is a non-numeric entry . . . . . . . . . . . . . . 3-19
instruments have HP-IB addresses of . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-19
doesn't read signal to be in -1 +/-5 dBm
range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-19