HP HP 83592A Service manual

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83592A RF Plug-In Operating and Service Manual
83592-90074
August 1987

OPERATING AND SERVICE MANUAL
HP 83592A
RF PLUG-IN
0.01 to 20.0 GHz
(^j LJ (_l
Q LJ CJLIr
0 0 0
c^ HEWLETT
PACKARD
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HP 83592A
RF PLUG-IN
(Including Options 002 and 004)
SERIAL NUMBERS
This manual applies directly to HP 83592A RF plug-in having
serial number prefix 2718A.
For instruments with serial numbers 2645A and below, refer
to Section 7 (Manual Backdating).
For additional information about serial numbers, refer to
INSTRUMENTS COVERED BY MANUAL in Section 1.
©Copyright HEWLETT-PACKARD COMPANY 1987
1400 FOUNTAINGROVE PARKWAY, SANTA ROSA, CA 95401 U.S.A.
MANUAL PART NO. 83592-90074
Microfiche Part Number 83592-90076 Printed: AUGUST 1987
SSI HEWLETT
PACKARD
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TABLE OF CONTENTS
HP 83592A RF Plug-In
Section 1. GENERAL INFORMATION
Introduction .. „ „ „ - - , . - - - „ „
Specifications ...... - -
Safety Considerations ..„.„„.
Safety Symbols - - - - „ -. - - - .. ...
Instruments Covered by this Manual „
Ordering Manual/Microfiche . „ „ . . „
Description - „
Options - „. „ „
Equipment Required But Not Supplied
Equipment Available .... .. „ „ - „ , .
Recommended Test Equipment „
Section 2. INSTALLATION
Introduction . ... ..„..„.
Initial Inspection .,„.„„„
Preparation for Use .. ...
Power Requirements .„„..„
Configuration Switch .
Interconnections . „ „. . . .
Mating Connectors „ „ ......
Operating Environment
Installation Instructions .......
Storage and Shipment ....
Environment ...„„„„ ......
Packaging . .„.„„.--.....„
Returning Instrument for Service
Sections. OPERATION
Introduction .. ... . „ „ „ ...Operating Characteristics ......Bandswitching „„„.......„„„
Frequency Resolution .. ,„„„„....
Input Resolution . „... -......
Display Resolution .. „ ......
Front Panel Features „„„.....„..„ -
Rear Panel Features ... .....
Operating Instructions ......„„„„„ .
RF Plug-In Configuration Switch
Frequency Reference Selection Switch
Operator's Checks ..............
Millimeter-Wave Application .......
Front Panel Frequency Calibration . -
RF Output Power Peaking .....
Internal Leveling ...............External Crystal Detector Leveling . ..
External Power Meter Leveling ......
External FM .....................
External AM .....................
Pulse Modulation ..............
Amplitude Modulation ...........
RF Power Control ...............
Power Level ........ ......
Power Sweep .................
Slope ......................Option 002 — Attenuator ........
1-1
1-1
1-6
1-6
1-7
1-7
1-8
1-8
1-8
1-9
1-9
2-1
2-1
2-1
2-1
2-2
2-2
2-2
2-3
2-3
2-3
2-3
2-4
2-4
3-1
. 3-2
3-2
. 3-3
. 3-3
. 3-4
. 3-5
. 3-7
. 3-8
. 3-8
3-10
3-10
3-11
3-12
3-13
3-14
3-14
3-16
3-17
3-17
3-17
3-17
3-18
3-18
3-18
3-18
3-19
Alternate Sweep Mode
HP-IB
Firmware Revision Number
Phase-Lock Operation
Operator's Maintenance . „
Plug-In Error Codes . . .
Fuses „„„„ . - - - -.
Blue Service Tags . , „
Section 4. PERFORMANCE TESTS
Introduction „ -... - „ .„„„„„ ...... , . „ „ „
Equipment Required „ ..„.„„, , „ „ „ ...... „
Operation Verification ... „.. „ , „ „ „ „ „ „ „. „
Test Records . „ „ „ „. . „ - „ „.
Related Adjustments ..,-.„„„„ ...
Test Sequence ..„„...,.„
Calibration Cycle .... . . .
4-1 Frequency Range and Accuracy Test - - .
4-1 A. Alternate Swept Frequency and
Marker Accuracy Test
4-2 Output Amplitude Test ... - „..
4-3 Frequency Stability Test ......... . „ „ „
4-4. Residual FM Test ..... „....-,
4-4A. Alternate Residual FM Test - „ „ ... - „ „ .
4-5. Spurious Signal Test ...„..„„. .„.,... ,
4-6- External Frequency Modulation Test „. „ „ .
4-7. Square-Wave On/Off Ratio
and Symmetry Test ...... .....
4-8. Step Attenuator Accuracy (Option 002) Test
Sections. ADJUSTMENTS
Introduction ......... ..........
Safety Considerations . „ ............
Equipment Required ......... .....
Related Adjustments . „ „ .... .....
Adjustment Procedure -.„....,-„„..„
5-1. — 10 Volt Reference on A8 YO Driver
5-2. Sweep Control Adjustments .....
5-3. YO and SYTM DAC Calibration . ,
5-4. Preliminary Frequency Accuracy ...
5-5 YO Retrace Compensation ,.......,
5-6. YO Delay Compensation .........
5-7. Slow Sweep STYM and YO Tracking
5-8. SRD Bias „„„„........,..„„.....,
5-9. STYM Delay Compensation .......
5-10. Band Overlap ...........„„.,.,
5-11. Frequency Reference 1V/GHz Output
5-12. ALC Adjustment ................
5-13. Power Calibration ................
5-14. Internal Leveled Flatness .........
5-15. Squarewave Symmetry Adjustment .
5-16. ALC Gain Adjustment ...........
5-17. Powersweep .......„„„ .„„„...
5-18. FM Driver .... ........
HP 83592A Table of Contents
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Section 6. REPLACEABLE PARTS
Introduction ... .... ...... .......
Two-Year Warranty and Restored Exchange Parts
Abbreviations ..... ... ... ......
Replaceable Parts List ...... ..„„..„
Illustrations ..... .... ...... ....
Ordering Information ............. ....
Spare Parts Kit .„„„....„......„...„.-......
Section 7. MAHUAL BACKDATING
Introduction ... .............
Section 8. SERVICE
Introduction ...................... .
Service Information „...„.......„„„„„
Schematic Diagram Notes ... ..........
Mnemonics ...... ..................
Service Aids ...... ...... .... -.
Troubleshooting .... ..„„..„.-...„„„ , ,
Self-Test ....................... , .
Operator-Initiated Tests ................
Hexadecimal .......................
Recommended Test Equipment .........
Repair ... .„....,...„„„..........
Module Exchange Program ........ ..,
Replacing YO A13, SYTM A12,
YO Driver A8, or STYM Driver A7 ......
Rear Panel Connector Replacement - - -,
After-Service Product Safety Checks ......
HP 83592A Overall Troubleshooting ......
Introduction ...„..,...........„„
Determining the Problem ....„„„„. ...
Error Codes ... ............... ...
Digital Control/Front Panel ..„...,...
Frequency Control ...„„„ ..........
Power Control ....................
RF Section ..---.,........,...
HP 83592A RF Plug-in Overall
Block Diagram Description .......... -, .
Introduction .„„,-...„......„...„ -..
Functional Block Diagram Description ...
Detailed Block Diagram Description ...
Digital Control/Front Panel .........
Frequency Control ..................
ALC/Power Control .................
RF Section ... -.„„„.,...„„„......
Troubleshooting the A1 Front Panel and
A2 Front Panel Interface Assemblies ......
Introduction .„..-.„..... ...........
Error Codes .. ..................
Digital Display . ....................
Annunciators .......................
Keyboard .....,.......,....„„„„ - - -
Rotary Pulse Generator (RPG) .... . „ „
Analog Circuitry ...................
RF Power Control Latch ............
Miscellaneous ................ ...
A1 Front Panel and A2 Front Panel Interface,
Circuit Description ................. ...
General ..„„.„ ....................
6-1
6-1
6-1
6-1
6-2
6-2
6-2
. 7-1
8-1
8-1
. 8-1
. 8-2
8-2
8-7
. 8-7
. 8-8
8-11
8-12
8-12
8-12
8-12
8-12
8-12
8-15
8-15
8-15
8-16
8-17
8-17
8-18
8-19
8-21
8-21
8-21
8-23
8-23
8-25
8-28
8-29
8-35
8-35
8-35
8-35
8-37
8-38
8-40
8-41
8-42
8-43
8-45
8-45
Keyboard .,.„„„„ ...... . 8-45
Power Display . „ , , „ „ - „ „ . - -...... , . „... . „ 8-45
Unleveled Annunciator Driver .. „ „ „ 8-46
LED Annunciator Latch „ „ „ . „ „ „. 8-46
RF Power Control Latch A2, Block C 8-46
1V/0 5V/GHz ... . „ ,. 8-46
Troubleshooting the A3 Digital Interface Assembly 8-57
Introduction ...„„..,„„„„„ , ..... ,„„... .. 8-57
General Troubleshooting „... , ,„„.„...„.„„ . 8-57
RF Plug-In Self Test . „ „. „ .... 8-58
Error Code E001 ... ,..„„.-. . „ „ 8-59
Other Error Codes .. ..... ......... 8-60
No Error Code . . .... 8-61
Address Decoder ..... .... ... 8-62
Plug-In Interface „ „ „ ,.„„„„ ....... ..„„„. , 8-63
Interrupt TImer/PIA . .„„„„„ .„„..„ ...... . 8-63
A3 Digital Interface, Circuit Description ...... 8-65
General ....„„„...„„„„ .... . 8-65
Sweep Oscillator Interface, Block A ,.„„.. 8-65
Address Decoder, Block B ......... 8-65
ROM, Block C , „. .... ... 8-67
200 kHz Clock, Block D „. ............ 8-67
Interrupt Control/Configuration Switch, Block E , 8-67
RF Plug-In Interface, Block F ........... 8-67
Troubleshooting the A4 ALC Assembly ,..„„„ 8-77
Introduction .„„„„..„....,..„.„.. .„„„„. 8-77
Troubleshooting Symptoms ........... - 8-77
Troubleshooting Procedures ,„„„.„ .... 8-82
A4 ALC (Automatic Leveling Control) Assembly,
Circuit Description ..-..„„„. -....„„ ..... . 8-93
Introduction ..... .... .............. 8-93
General - „ „ ............ ,„„„.. ,„„..„ 8-93
Address Decoder and Control Latches, Block A 8-93
Detector Inputs and Selection Switches, Block B 8-93
Sample and Hold Driver, Block K .... ...... 8-94
Input Sample and Hold, Block E ............... 8-94
Power Meter Log Amplifier, Block F .. ..... 8-94
Log Amplifier, Block G ...... ...„„„„ --..„-- 8-95
Power Level Reference, Block C
Power Level Summing, Block H ,„„„.„ ........ 8-95
Error, Sample and Hold, Block I ............ 8-96
Log Amplifier Selector, Block J ................. 8-96
Main ALC Amplifier, Block L
Unlevel Signal Block M „ „ „.. -....„„ ...... 8-96
Pin Mod 0 Driver, Block 0
Pin Mod 1 Driver, Block N . „ „ ...... ....... 8-97
Troubleshooting the A5 FM Driver Assembly „.. .. 8-107
Introduction .................„..,.,„„..„. 8-107
YO/SYTM Main Coil FM Driver and
YO FM Coil Driver Troubleshooting ...... 8-107
FM Configuration Control
Circuits Troubleshooting „ „ ..... ,„„„.„ 8-111
Power Sweep/ALC Adjustments
Troubleshooting „--.„.„„ .... .... 8-113
A5 FM Driver, Circuit Description „„„.....„..„.- 8-115
General ..... ...... ,„„„„„ 8-115
YO and SYTM Main Coil FM Drivers,
Blocks C, D, and H .„„„„„ ..... .. „ 8-115
YO FM Coil Driver, Blocks E, F, and I -„.„„... 8-116
Address Decoder, Block A ................. 8-117
Control Latches, Block C . -.„„„„„ - -... 8-117
ALC Flatness Adjustments, Block I ......... 8-118
Power Sweep, Block H .................... 8-118
ii. Table of Contents HP 83592A
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Section 8. SERVICE (Confd )
Troubleshooting the A6
Sweep Control Assembly ...Introduction ......... ..... ...
Buffered Tuning Voltage ..........
Interrupt Control .. „ „ „ ..„.„.„... „
Digital Control ...... ...... ...
SRD and Pin Diode Bias .... ...
Pulse Modulation .. „ „ ..„„„.,.,„. „
A6 Sweep Control, Circuit Description ...
General .... .... .„..„„.-...„
Address Decoder, Block A ...„.,..„-„
Data Latches and Output Data Buffer,
Block D ..... ...„„„,.....„...,.-.
Tuning Voltage Buffer Amplifier, Block B
Bandswitch DAC, Block C ,„...„.....
Variable Gain Amplifier, Block E „. ...
Single Band Switching, Block G „
Bandswitch Comparator, Block F ......
Sweep Control/Interrupt Logic, Block H
SRD and Pin Diode Bias, Block I . „.
Pulse Modulation, Block J ...........
Troubleshooting the A7 SYTM Driver/
A9 Reference Resistor Assemblies .......Introduction ... ........ ,„.... -....
General ...... ....... ............
Sweep Circuitry --........„„„„. . „ „.
Delay Compensation ...,,...„„ ....
SYTM Drive Circuits ..................
Digital Control .,..„....,...„„.....„„.
A7 SYTM Dhver/A9 Reference Resistor,
Circuit Description .....................
General „„„„„.,..... ..... ....
Address Decoder and Data Latch, Block A
Scaled Voltage Tune DAC, Block B
Offset DAC, Block C .... ...... ....
Delay Compensation, Block E .„.....„„„
+20V Tracking, Block F ...............
Summing Amplifier, Block G ..........
Frequency Cal Switches/
Output Data Buffers, Block D ......
SYTM Coil Current Source, Block H
SYTM Coil Current Driver A9, Block I - -..
Troubleshooting the A8 YO Driver/
A9 Reference Resistor Assemblies ... .
Introduction ................... ...
8-127
8-127
8-127
8-130
. 8-131
8-133
8-133
8-135
8-135
8-135
8-135
8-135
8-136
8-136
8-136
8-136
8-137
8-138
8-139
8-147
8-147
8-147
8-147
8-150
8-152
8-152
8-155
8-155
8-155
8-155
8-156
8-157
8-157
8-158
8-158
8-169
8-169
General „„...,..„„.,..„„... ,„„„„.
Sweep Circuitry ... ..... -,„„.„...
Delay Compensation ....„„.„....„„„„„ -
YO Drive Circuits „.„.,.,„„„„.,..„„„
Digital Control ..„„.„.....„„ .„„..„
-10V Reference .„„„.... ......
5V Regulator ... ...... ..... .
CW Filter ... ..... „„„„......
A8 YO Dnver/A9 Reference Resistor,
Circuit Description . „ „ „ - „ . - „ „ „ „ , .. „ „ - „
General .... ,„.„„. ..... .....
Address Decoder and Data Latch, Block A
Scaled Voltage Tune DAC, Block B
Offset DAC, Block C - ...
Delay Compensation, Block E . .....
+20V Tracking, Block F ..... .......
Summing Amplifier, Block G ....... . ....
—10V Reference, Block H „.„........„.-
Frequency Cal Switches/
Output Data Buffers, Block D .... .......
YO Coll Current Source, Block I
YO Coil Current Driver, A9, Block K ......
+5V Regulator A9 Block L ..„.....„..„„
Troubleshooting the RF Section .........
Introduction „......„„......„„„ ..„„„„.
Failure Symptoms „ „.„... „ „„„...„„.. .
No RF Power — All Bands .„„„„.........
No RF Power — Band 0 ...„„„ ..„„..
No RF Power — Bands 1 through 3 .. „ „ „
Maximum RF Unleveled Power — All Bands
Maximum RF Unleveled Power — Band 0 .
Maximum RF Unleveled Power —
Bands 1 through 3 ...... ..... .„..„„
Harmonic Distortion — All Bands .......
Harmonic Distortion — Band 0 .......„.„
Harmonic Distortion — Bands 1 through 3 .
Spurious Distortion — Band 0 .... --....
Power Drop-outs — Any Band ..........
Power Hole — Any Band ...„„„„....„...
DC Bias at RF Output .... ....... , „...
Microcircult Verification by Assembly ....
RF Section, Circuit Description ....... .....
Introduction .... ...... ..... ....
Bands 0 through 3 ...... ..... -...
Band 0 ....„„--...„. ...... ....
Bands 1 through 3 .... -„.. ....... ......
Bands 0 through 3 ..„„ -....„. .....
HP 83592A Table of Contents
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SAFETY CONSIDERATIONS
GENERAL
This product and related documentation must be
reviewed for familiarization with safety markings
and instructions before operation. This product
has been designed and tested in accordance with
international standards
t CAUTION ) The CAUTION sign denotes a
hazard. It calls attention to an
operating procedure, practice,
or the like, which, if not correctly
performed or adhered to, could
result In damage to or destruc¬
tion of part or all of the product.
Do not proceed beyond a CAU¬
TION sign until the Indicated
conditions are fully understood
and met.
SAFETY SYMBOLS
A Instruction manual symbol: the
product will be marked with this
symbol when it is necessary for
the user to refer to the Instruction
manual (refer to Table of Con¬
tents).
BEFORE APPLYING POWER
Verify that the product is configured to match the
available main power source per the input power
configuration instructions provided In this manual
If this product is to be energized via an auto-
transformer make sure the common terminal is
connected to the neutral (grounded side of the
mains supply).
SERVICING
Indicates hazardous voltages.
^ WARNING
±
WARNING
Indicates earth (ground) terminal.
The WARNING sign denotes a
hazard. It calls attention to a pro¬
cedure, practice, or the like,
which, if not correctly performed
or adhered to, could result in
personal injury. Do not proceed
beyond a WARNING sign until
the indicated conditions are fully
understood and met.
Any servicing, adjustment, maintenance, or
repair of this product must be performed only
by qualified personnel.
Adjustments described in this manual may be
performed with power supplied to the product
while protective covers are removed. Energy
available at many points may, if contacted,
result in personal injury.
Capacitors inside this produci may still be
charged even when disconnected from their
power source
To avoid a fire hazard, only fuses with the
required current rating and of the specified
type (normal blow, time delay, etc.) are to be
used for replacement.
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Figure l-l. HP 83592A KF Plug-in
1.0 General Information HP 83592A
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Section 1. General Information
INTRODUCTION
This manual contains the information required to install, operate, test, adjust, and service the Hewlett-
Packard 83592A RF plug-in, shown in Figure 1-1. This manual is divided into eight major sections:
SECTION 1, GENERAL INFORMATION. This section contains:
• A brief description of the instrument • Instrument identification
• Safety considerations • Options available
• Specifications • Accessories available
• Supplemental characteristics • Recommended test equipment
SECTION 2. INSTALLATION. This section contains:
• Initial inspection • Storage
• Preparation for use • Shipment
SECTION 3, OPERATION. This section contains:
• RF plug-in configuration switch settings • Crystal and power meter leveling instructions
• Frequency reference selection switch • Front and rear panel features
settings • Error codes
• Frequency resolution characteristics in CW
and swept frequency modes
SECTION 4, PERFORMANCE TESTS. This section contains procedures to verify published HP
83592A specifications.
SECTION 5, ADJUSTMENTS. This section contains procedures to adjust and align the HP 83592A
after repair, or if the instrument fails a performance test.
SECTION 6, REPLACEABLE PARTS. This section contains information required to order all replace¬
able parts and assemblies.
SECTION 7, MANUAL BACKDATING. This section contains information on earlier shipment configu¬
rations.
SECTION 8, SERVICE. This section contains:
• Overall instrument block diagram
• Troubleshooting and repair procedures
• Information on each assembly within the instrument
SPECIFICATIONS
Instrument specifications are listed in Table 1-1. These specifications are the performance standards
or limits against which the instrument is tested. Table 1-2 lists supplemental performance charac¬
teristics, which are not specifications, but are intended to provide additional information useful to your
application by giving typical (but not warranted) performance parameters.
HP 83592A General Information 1-1
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