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Errata
Title & Document Type: 8648A/B/C/D Signal Generator
Operation and Service Guide
Manual Part Number: 08648-90048
Revision Date: April 1999
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.
Operation and Service
Guide
HP 8648A/B/C/D
Signal Generator
SERIAL NUMBERS
This manual applies directly to the following HP 8648 model/serial
prefix combinations and below:
HP 8648A HP 8648B BP 8648C HP 8648D
3847A 3847U 3847A 3847U 3847A 3847U 3847A 3847U
HP Part No. 08648-90048 Supersedes: November 1998
Printed in USA April 1999
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, 1998
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
FLEX and Motorola are trademarks of Motorola, Inc.
Windows@ and MS Windows@ are U.S. registered trademarks of
Microsoft Corporation.
Windows NT@ is a U.S. registered trademark of Microsoft
Corporation.
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 The regulatory information is in Chapter 4, "Specifications."
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.
L IMITATION 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-Rzckard products. $br any
assistance, contact gour nearest Hewlett-Rxckard Sales and Service
Ome. Refer to the list of Sales and Service Omes on the following
wm.
`able O-l. Hewlett-Packard Sales and Service Offices
UNITED STATES
Instrument Support Center
Hewlett-Packard Company
(800) 403-0801
EUROPEAN FIELD OPERATIONS
Headquarters France Germany
Hewlett-Packard S.A. Hewlett-Packard France Hewlett-Packard GmbH
150, Route du Nant-d'Avril 1 Avenue Du Canada Hewlett-Packard Strasse
12 17 Meyrin O/Geneva Zone D'Activite De Courtaboeuf 61352 Bad Homburg v.d.H
Switzerland F-91947 Les Ulis Cedex Germany
(41 22) 780.8111 France (49 6172) 16-O
(33 1) 69 82 60 60
Great Britain
Hewlett-Packard Ltd.
, ~~~~~~~e~;~~~;~i~g
England
(44 734) 696622
INTERCON FIELD OPERATIONS
Headquarters Australia Canada
Hewlett-Packard Company Hewlett-Packard Australia Ltd. Hewlett-Packard (Canada) Ltd.
3495 Deer Creek Road 31-41 Joseph Street 17500 South Service Road
Palo Alto, California, USA Blackburn, Victoria 3130 Trans-Canada Highway
94304-1316 (61 3) 895-2895 Kirkland, Quebec H9J 2X8
(415) 857-5027 Canada
(514) 697-4232
China Japan Singapore
China Hewlett-Packard Company Hewlett-Packard Japan, Ltd. Hewlett-Packard Singapore (Pte.) Ltd.
38 Bei San Huan Xl Road 9-l `lakakura-Cho, Hachioji 150 Beach Road
Shuang Vu Shu Tokyo 192, Japan #29-00 Gateway West
Hai Dian District (81 426) 60-2111 Singapore 0718
Beijing, China (65) 291-9088
(86 1) 256-6888
lbiwan
Hewlett-Packard Taiwan
8th Floor, H-P Building
337 Fu Hsing North Road
Taipei, Taiwan
(886 2) 712-0404
V
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, would 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.
Instrument The following markings and caution and warning labels are used on
Markings the instrument. Be sure to observe all cautions and warnings.
The instruction documentation symbol. The product is
!
A marked with this symbol when it is necessary for the user
to refer to the instructions in the manual.
CE The CE93 mark shows compliance with the European
Community 1993 standards.
The CSA mark is the Canadian Standards Association
safety mark.
"ISMl-A" This is a symbol of an Industrial Scientific and Medical
Group 1 Class A product.
Warning Hazardous voltage always present in this area with instrument
power cord connected to ac line.
Warning Do not remove this screw when removing cover from instrument.
Warning Hazardous Voltage
Caution Hazardous electrical shock. Heat sink is live. Disconnect power
supply before servicing.
vi
General Safety
Considerations
Warning No operator serviceable parts inside. Refer servicing to qualified
personnel. lb prevent electrical shock, do not remove covers.
Warning If this instrument is used in a manner not specified by
Hewlett-Packard Co., the protection provided by the instrument
may be impaired.
Warning For continued protection against fire hazard replace line fuse
only with same type and rating (3 A 250 V type F). The use of
other fuses or material is prohibited.
Caution Always use the three-prong ac power cord supplied with this
instrument. Failure to ensure adequate earth grounding by not using
this cord may cause instrument damage.
vii
How to Use This
Guide
This guide uses the CFRONT-PANEL KEY] This represents a key physically located on
following convention: the instrument.
Display This font is used to represent text which
appears on the instrument display.
Documentation This guide contains the information required to operate, calibrate, and
Description repair the signal generator to the assembly level. Included are the
following:
n a quick overview of the signal generator
n examples of typical operation
n a reference section that describes all operation features
n explanations of error messages displayed on the signal generator
n installation instructions
w tables of specifications
n tables of post-repair information and recommended equipment
required
n theory of operation of the signal generator
n troubleshooting procedures to identify failed assemblies
n disassembly procedures for removal and replacement of assemblies
n replaceable part numbers
n adjustments required after repair or performance test failure
n performance tests to test the instrument to specifications
n supplemental verification tests to test some unspecified parameters
of the instrument
...
VIII
Contents
1. Operation
Quick Overview . . . . . . . . . . . . . . . . . . . l-2
1. Power Key . . . . . . . . . . . . . . . . . . . l-2
2. Display . . . . . . . . . . . . . . . . . . . . . l-2
3. Function and Data Keys . . . . . . . . . . . . . l-3
4. Increment Set Keys . . . . . . . . . . . . . . . l-4
5. Knobs. . . . . . . . . . . . . . . . . . . . . . l-4
6. MEMORY . . . . . . . . . . . . . . . . . . . . l-4
7. Modulation Source . . . . . . . . . . . . . . . . l-5
la. Operation Examples
Getting Started . . . . . . . . . . . . . . . . . . . . la-l
Operation Examples . . . . . . . . . . . . . . . . la-2
Setting the RF Output Signal . . . . . . . . . . . . . la-3
Setting the Frequency . . . . . . . . . . . . . . . la-3
Setting the Amplitude . . . . . . . . . . . . . . . la-3
Turn on the RF Output . . . . . . . . . . . . . . . la-4
Setting the Modulation . . . . . . . . . . . . . . . la-4
Incrementing or Decrementing the RF Output Signal . . la-5
Preliminary Steps . . . . . . . . . . . . . . . . . . la-5
Using the Knob . . . . . . . . . . . . . . . . . . . la-5
Using the Increment keys . . . . . . . . . . . . . . la-6
Using the Memory Registers . . . . . . . . . . . . . . la-7
Saving Instrument Settings in Register Sequences . . . la-8
Selecting the Sequence . . . . . . . . . . . . . . la-8
Saving Settings in Registers . . . . . . . . . . . . la-8
Checking the Sequence . . . . . . . . . . . . . . la-10
Checking a Different Sequence . . . . . . . . . . la-10
Deleting a Register from the Sequence . . . . . . . . la-12
Selecting the Sequence . . . . . . . . . . . . . . la-12
Deleting a Register . . . . . . . . . . . . . . . . la-12
Renumbering the Registers in a Sequence . . . . . . la-14
Decreasing the Register Number . . . . . . . . . . la-14
Checking the Sequence . . . . . . . . . . . . . . la-15
Inserting a Register in a Sequence . . . . . . . . . . la-16
Saving a New Register . . . . . . . . . . . . . . la-17
Offsetting the RF Output from a Reference . . . . . . . la-18
Setting the Reference Value . . . . . . . . . . . . . la-18
Offsetting the RF Output . . . . . . . . . . . . . . la-19
Turning the Reference Mode Off or On . . . . . . . la-19
Setting a New Reference Value . . . . . . . . . . la-20
Holding the Output Attenuator Range . . . . . . . . . la-21
Set the Amplitude Level . . . . . . . . . . . . . . la-21
Holding the Attenuator . . . . . . . . . . . . . . . la-21
Adjusting the Amplitude . . . . . . . . . . . . . . la-22
Contents-l
Setting a User Selectable Modulated Frequency and
Waveform (Option lE2 or 1EP Only) . . . . . . . . la-23
Setting the Modulation Level . . . . . . . . . . . . la-23
Setting the Modulated Waveform . . . . . . . . . . la-24
Setting the Modulated Frequency . . . . . . . . . . la-24
Signaling a Numeric-Type FLEX Pager (Option 1EP Only) la-25
Setting Up Pager Encoding . . . . . . . . . . . . . la-26
Entering Pager Encoding Settings . . . . . . . . . . la-27
Selecting the Format Settings . . . . . . . . . . . . la-27
Selecting the Data Rate and Pager Type Settings . . . la-28
Selecting the Message Settings . . . . . . . . . . . . la-29
Selecting Transmission Repetitions and amplitude . . la-29
Selecting the Pager Capcode (Address) . . . . . . . . la-30
Selecting the Protocol Settings . . . . . . . . . . . la-31
Selecting the Roaming Mode Settings . . . . . . . . 1 a-32
Encoding . . . . . . . . . . . . . . . . . . . . . . la-32
lb. Operation Reference
Frequency and Amplitude . . . . . . . . . . . . . . . lb-2
1. Knob . . . . . . . . . . . . . . . . . . . . . . lb-2
2. Digit-Select Arrow Keys . . . . . . . . . . . . . lb-2
3. REFSET . . . . . . . . . . . . . . . . . . . . lb-3
Units lb-3
4. REF OkCFF' : : : : : : : : : : : : : : : : : : lb-3
Function . . . . . . . . . . . . . . . . . . . . . . . lb-4
1. FREQUENCY . . . . . . . . . . . . . . . . . . lb-4
2. AMPLITUDE . . . . . . . . . . . . . . . . . . lb-5
3.FMAM4M . . . . . . . . . . . . . . . . . . . lb-5
Setting Up the Pager Encoder . . . . . . . . . . . . . lb-6
1. ENCODER. . . . . . . . . . . . . . . . . . . . lb-7
Setting the Format . . . . . . . . . . . . . . . . . lb-8
FLEX/FLEX-TD . . . . . . . . . . . . . . . . . . lb-9
Setting the Data Rate and Pager Type . . . . . . . lb-9
Setting the Message . . . . . . . . . . . . . . . . lb-12
Setting the Encoding Mode . . . . . . . . . . . . lb-14
Entering the Pager Capcode (Address) . . . . . . . lb-16
Setting the Protocol . . . . . . . . . . . . . . . lb-18
Setting the Roaming Mode . . . . . . . . . . . . lb-19
Message During Encoding . . . . . . . . . . . . . lb-22
Signaling Examples . . . . . . . . . . . . . . . . lb-23
SSID/NID Roaming Example . . . . . . . . . . . . lb-25
POCSAG . . . . . . . . . . . . . . . . . . . . . . lb-27
Setting the Data Rate and Pager Type . . . . . . . lb-27
Setting the Message . . . . . . . . . . . . . . . . lb-29
Setting the Encoding Mode . . . . . . . . . . . . lb-31
Entering the Pager Capcode (Address) . . . . . . . lb-32
Message During Encoding . . . . . . . . . . . . . lb-32
RESYNC.. . . . . . . . . . . . . . . . . . . . . lb-33
Setting the Encoding Mode . . . . . . . . . . . . lb-33
Message During Resynchronizing . . . . . . . . . . lb-33
PN15 . . . . . . . . . . . . . . . . . . . . . . . lb-34
Setting the Data Rate . . . . . . . . . . . . . . . lb-34
Message During Encoding . . . . . . . . . . . . . lb-34
SERVICE . . . . . . . . . . . . . . . . . . . . . . lb-35
Setting the Data Rate . . . . . . . . . . . . . . . lb-35
Contents2
Message During Servicing . . . . . . . . . . . . . lb-35
Pulse Modulation . . . . . . . . . . . . . . . . . . . lb-36
1. PULSE . . . . . . . . . . . . . . . . . . . . . lb-36
Increment Set . . . . . . . . . . . . . . . . . . . . lb-38
1. INCRSET . . . . . . . . . . . . . . . . . . . . lb-38
START/STOP Encoding . . . . . . . . . . . . . . lb-38
PREV and NEXT . . . . . . . . . . . . . . . . . lb-38
Data . . . . . . . . . . . . . . . . . . . . . . . . . lb-39
1. MHz/dBm kHz/mV %/pV rad/dBpV . . . . . . . . lb-39
Units Conversion . . . . . . . . . . . . . . . . . lb-39
ENTER . . . . . . . . . . . . . . . . . . . . . lb-39
SHIFT . . . . . . . . . . . . . . . . . . . . . . lb-39
2. Backspace . . . . . . . . . . . . . . . . . . . . lb-40
3. emf . . . . . . . . . . . . . . . . . . . . . . . lb-40
4 . f . . . . . . . . . . . . . . . . . . . . . . . . lb-40
Instrument Preset . . . . . . . . . . . . . . . . . . lb-41
pGim)@ . . . . . . . . . . . . . . . . lb-41
. . . . .
p?Fmg(DEL) . . . . . . . . . . . . . . . . lb-41
. . . . .
HP-IB . . . . . . . . . . . . . . . . . . . . . . . . lb-45
1. ADRS . . . . . . . . . . . . . . . . . . . . . . 1 b-45
2. LOCAL . . . . . . . . . . . . . . . . . . . . . lb-45
Memory . . . . . . . . . . . . . . . . . . . . . . . lb-46
l . S A V . . . . . . . . . . . . . . . . . . . . . . . lb-47
2. REG . . . . . . . . . . . . . . . . . . . . . . lb-47
3. Register Recall Arrows . . . . . . . . . . . . . . lb-48
4.SEQ.. . . . . . . . . . . . . . . . . . . . . . lb-48
5. DEL . . . . . . . . . . . . . . . . . . . . . . lb-49
Renumbering the Registers . . . . . . . . . . . . lb-49
Modulation Source . . . . . . . . . . . . . . . . . . lb-50
1. MOD ON/OFF . . . . . . . . . . . . . . . . . . lb-51
2. INT400HzINTl kHz . . . . . . . . . . . . . . lb-51
3. (FREQUENCY) 4. (FREQUENCY/ WAVEFORM) . . . lb-51
5. EXTACEXTDC . . . . . . . . . . . . . . . . . lb-52
6.1kHz+EXTDC . . . . . . . . . . . . . . . . lb-52
Setting the Modulation Level . . . . . . . . . . . lb-53
7. MOD INPUT/OUTPUT . . . . . . . . . . . . . . lb-53
RF Output . . . . . . . . . . . . . . . . . . . . . . lb-54
1. RF ON/OFF . . . . . . . . . . . . . . . . . . . lb-54
2.A'I"l'NHOLD . . . . . . . . . . . . . . . . . . . lb-54
Vernier Ranges . . . . . . . . . . . . . . . . . . lb-54
3. RF OUTPUT . . . . . . . . . . . . . . . . . . . lb-55
Rear Panel . . . . . . . . . . . . . . . . . . . . . . lb-56
1. 10 MHz REF INPUT and OUTPUT . . . . . . . . . lb-56
2. DISPLAY CONTRAST . . . . . . . . . . . . . . . lb-56
3. AUXILIARY INTERFACE . . . . . . . . . . . . . lb-56
4. Line Voltage Connector . . . . . . . . . . . . . lb-57
5. HP-IB Connector . . . . . . . . . . . . . . . . . lb-57
6. TIMEBASE ADJ and Language Switches . . . . . . lb-57
7. External Pulse Input . . . . . . . . . . . . . . . lb-57
Remote Interface (Accessory) . . . . . . . . . . . . . lb-58
1. MOD ON/OFF . . . . . . . . . . . . . . . . . . lb-58
2. RF ON/OFF . . . . . . . . . . . . . . . . . . . lb-58
3. Sequence Selection Arrows . . . . . . . . . . . . lb-58
4. Register Recall Arrows . . . . . . . . . . . . . . lb-59
Memory Interface (Accessory) . . . . . . . . . . . . . 1 b-60
Contents-3
1. POWER . . . . . . . . . . . . . . . . . . . . . lb-60
2. Copy Arrow Keys . . . . . . . . . . . . . . . . lb-60
Making a Copy . . . . . . . . . . . . . . . . . . lb-60
3. BUSY . . . . . . . . . . . . . . . . . . . . . . lb-61
lc. Operation Messages
Front Panel Operation Messages . . . . . . . . . . . . lc-1
HP-IB . Command Errors . . . . . . . . . . . . . . . lc-5
HP-IB Execution Errors . . . . . . . . . . . . . . . . lc-7
HP-IB Device-Specific Errors . . . . . . . . . . . . . lc-7
HP-IB Query Errors . . . . . . . . . . . . . . . . . . lc-7
Service Messages . . . . . . . . . . . . . . . . . . . lc-8
2. HP-IB Programming
Background . . . . . . . . . . . . . . . . . . . . . 2-l
Programming Guidelines . . . . . . . . . . . . . . . 2-2
HP-IB Definition . . . . . . . . . . . . . . . . . . 2-2
What is Programmable . . . . . . . . . . . . . . . 2-2
HP-IB Address . . . . . . . . . . . . . . . . . . . 2-2
Error Messages . . . . . . . . . . . . . . . . . . . 2-2
Programming Language . . . . . . . . . . . . . . . 2-2
Query . . . . . . . . . . . . . . . . . . . . . . . 2-2
Advanced Programming . . . . . . . . . . . . . . . 2-2
Programming Examples . . . . . . . . . . . . . . . . 2-3
Programming RF Frequency . . . . . . . . . . . . . 2-3
Programming RF Frequency and FM Modulation . . . 2-3
Querying RF Frequency . . . . . . . . . . . . . . . 2-4
Programming RF Amplitude . . . . . . . . . . . . . 2-4
Programming Pulse Modulation (Option lE6) . . . . . 2-4
Programming Pager Encoder (Option 1EP) . . . . . . 2-5
HP-IB Status Reporting . . . . . . . . . . . . . . . . 2-12
External Modulation Input Level Status . . . . . . . 2-14
Example: Check the Condition of Modulation Input
(High or Low) . . . . . . . . . . . . . . . . . 2-14
Example: Generate a Service Request for External
Modulation . . . . . . . . . . . . . . . . . . 2-15
Reverse Power Protection Status 2-16
Example: Check the condition of'the RPP : : : : : 2-16
Unspecified Power (Amplitude) Entry Status . . . . . 2-17
Example: Check the Condition of Unspecified Power
Entry . . . . . . . . . . . . . . . . . . . . . 2-17
Pager Encoding Status (Option 1EP Only) . . . . . . 2-18
Example: Check the end of message encoding . . . 2-18
Example: Check the start of each frame . . . . . . 2-19
SCPI Command Reference . . . . . . . . . . . . . . . 2-20
ABORt Subsystem (Option 1EP Only) . . . . . . . . 2-21
AM Subsystem . . . . . . . . . . . . . . . . . . . 2-21
CAL Subsystem . . . . . . . . . . . . . . . . . . . 2-22
DM Subsystem (Option 1EP Only) . . . . . . . . . . 2-22
FM Subsystem . . . . . . . . . . . . . . . . . . . 2-23
FREQuency Subsystem . . . . . . . . . . . . . . . 2-24
INITiate Subsystem (Option 1EP Only) . . . . . . . . 2-24
OUTPut Subsystem . . . . . . . . . . . . . . . . . 2-24
PAGing Subsystem (Option 1EP Only) . . . . . . . . 2-25
PM Subsystem . . . . . . . . . . . . . . . . . . . 2-37
Contents-4
POWer Subsystem . . . . . . . . . . . . . . . . . 2-38
PULM Subsystem . . . . . . . . . . . . . . . . . . 2-38
STATUS Subsystem . . . . . . . . . . . . . . . . . 2-39
SYSTem Subsystem . . . . . . . . . . . . . . . . . 2-40
TRIGger Subsystem (Option 1EP Only) . . . . . . . . 2-40
Changing Parameters While Encoding (Option 1EP only) 2-41
Using the Buffer Memory for the Arbitrary Messages . . 2-41
HP-IB Capabilities . . . . . . . . . . . . . . . . . . 2-43
HP-IB Connector Information . . . . . . . . . . . . . 2-44
HP 8656/57 Compatible Language . . . . . . . . . . . 2-45
Program Code Implementation . . . . . . . . . . . 2-46
Receiving the Clear Message . . . . . . . . . . . . . 2-48
Additional Programming Information . . . . . . . . 2-48
3. Installation
Unpacking Your Signal Generator . . . . . . . . . . . 3-l
Connecting AC Power . . . . . . . . . . . . . . . . . 3-2
Power Requirements . . . . . . . . . . . . . . . . 3-2
Replacing the Fuse . . . . . . . . . . . . . . . . . 3-3
Turning On the Signal Generator . . . . . . . . . . . 3-5
Connecting to Other Instruments . . . . . . . . . . . 3-5
Storing the Signal Generator . . . . . . . . . . . . . 3-5
Shipping the Signal Generator . . . . . . . . . . . . . 3-6
4. Specifications
Options . . . . . . . . . . . . . . . . . . . . . . . 4-1
Frequency Specifications . . . . . . . . . . . . . . . 4-2
Internal Reference Oscillator . . . . . . . . . . . . . 4-2
output . . . . . . . . . . . . . . . . . . . . . . . . 4-3
Spectral Purity . . . . . . . . . . . . . . . . . . . . 4-4
Frequency Modulation . . . . . . . . . . . . . . . . 4-5
Phase Modulation . . . . . . . . . . . . . . . . . . . 4-6
Amplitude Modulation . . . . . . . . . . . . . . . . 4-7
Modulation Source . . . . . . . . . . . . . . . . . . 4-8
Remote Programming . . . . . . . . . . . . . . . . . 4-8
Environmental . . . . . . . . . . . . . . . . . . . . 4-9
General . . . . . . . . . . . . . . . . . . . . . . . 4-9
Modulation Generator Option 1 E2 . . . . . . . . . . . 4-10
Pulse Modulation Option lE6 . . . . . . . . . . . . . 4-11
Pager Encoder/Signaling Option 1 EP . . . . . . . . . . 4-11
Frequency . . . . . . . . . . . . . . . . . . . . . 4-11
Frequency Modulation . . . . . . . . . . . . . . . 4-12
Pager Signaling . . . . . . . . . . . . . . . . . . . 4-12
Modulation Source . . . . . . . . . . . . . . . . . 4-12
General . . . . . . . . . . . . . . . . . . . . . . 4-12
Regulatory Information . . . . . . . . . . . . . . . . 4-13
IS0 9002 Compliant . . . . . . . . . . . . . . . . . 4-13
Statement of Compliance . . . . . . . . . . . . . . 4-13
Noise Declaration . . . . . . . . . . . . . . . . . . 4-13
Contents-5
5. Service
Shipping Your Instrument Back to Hewlett-Packard . . . 5-l
Recommended Test Equipment . . . . . . . . . . . . 5-2
Post-Repair . . . . . . . . . . . . . . . . . . . . . . 5-5
Safety Notes . . . . . . . . . . . . . . . . . . . . . 5-8
5a. Theory of Operation
Introduction . . . . . . . . . . . . . . . . . . . . . 5a-1
Overview . . . . . . . . . . . . . . . . . . . . . 5a-3
Al Front Panel . . . . . . . . . . . . . . . . . . . 5a-3
A2 Power Supply . . . . . . . . . . . . . . . . . . 5a-5
A3 Motherboard . . . . . . . . . . . . . . . . . . 5a-5
A4 Reference . . . . . . . . . . . . . . . . . . . 5a-6
A5 Sig Gen Synth . . . . . . . . . . . . . . . . . . 5a-6
A6 Output (HP 8648A) . . . . . . . . . . . . . . . 5a-7
A6 Output (HP 8648B/C/D) . . . . . . . . . . . . . 5a-7
A7 Attenuator (HP 8648A) . . . . . . . . . . . . . 5a-7
A10 Frequency Extension (HP 8648B/C/D) . . . . . . 5a-8
Al 1 Attenuator (HP 8648B/C/D) . . . . . . . . . . . 5a-8
Al2 Reverse Power Protection (HP 8648B/C/D) . . . . 5a-8
Al3 Pulse Modulator (HP 8648B/C/D Option lE6) . . . 5a-9
Al4 Modulation Generator (Option lE2) . . . . . . . 5a-9
A30 Pager Encoder (HP 8648A Option 1EP) . . . . . 5a-9
5b. Troubleshooting Information
Introduction . . . . . . . . . . . . . . . . . . . . . 5b-1
Troubleshooting Checklist . . . . . . . . . . . . . . . 5b-2
AC Mains (line) Fuse Removal . . . . . . . . . . . . . 5b-3
lb Remove the Fuse . . . . . . . . . . . . . . . . 5b-3
Modulation Test Points and Power Supply LEDs . . . . . 5b-4
Power Supply Distribution . . . . . . . . . . . . . . 5b-5
Block Diagrams . . . . . . . . . . . . . . . . . . . . 5b-7
5~. Service Error Messages
6. Replaceable Parts
Introduction . . . . . . . . . . . . . . . . . . . . . 6-l
Assembly Replacements . . . . . . . . . . . . . . . 6-l
7. Adjustments
Test Equipment . . . . . . . . . . . . . . . . . . . . 7-l
Equipment Setup for Automated Tests . . . . . . . . 7-l
Test Point Extender . . . . . . . . . . . . . . . . . 7-2
Manual Adjustments . . . . . . . . . . . . . . . . . 7-3
Internal Reference Oscillator Adjustment . . . . . . . 7-4
Pager Encoder Timebase Frequency Adjustment . . . 7-6
Automated Adjustments . . . . . . . . . . . . . . . . 7-8
AM Level and Distortion . . . . . . . . . . . . . . 7-9
AM Level . . . . . . . . . . . . . . . . . . . . . 7-11
Detector Offset . . . . . . . . . . . . . . . . . . . 7-13
Output Level . . . . . . . . . . . . . . . . . . . . 7-14
AM Level: FE . . . . . . . . . . . . . . . . . . . 7-15
Predistortion and Detector Offset . . . . . . . . . . 7-17
Prelevel . . . . . . . . . . . . . . . . . . . . . . 7-18
Output Level: Frequency Extension Calibration . . . 7-19
Contents-6
AM Modulator . . . . . . . . . . . . . . . . . . . 7-20
Time Base DAC . . . . . . . . . . . . . . . . . . . 7-22
Motherboard Audio Path . . . . . . . . . . . . . . 7-23
DCFM . . . . . . . . . . . . . . . . . . . . . . . 7-25
Audio Generator . . . . . . . . . . . . . . . . . . 7-26
HF Power Level Accuracy . . . . . . . . . . . . . . 7-27
LF Output Level . . . . . . . . . . . . . . . . . . 7-30
LF Power Level Accuracy . . . . . . . . . . . . . . 7-31
FSK Deviation . . . . . . . . . . . . . . . . . . . 7-33
Filter Path . . . . . . . . . . . . . . . . . . . . . 7-34
Service Support Software . . . . . . . . . . . . . . . 7-35
Required Test Equipment . . . . . . . . . . . . . . 7-35
Installing the Software . . . . . . . . . . . . . . . 7-36
Running the Service Support Software . . . . . . . . 7-42
Starting the Software . . . . . . . . . . . . . . . 7-42
Identifying the DUT . . . . . . . . . . . . . . . 7-43
Selecting the Performance Test or Adjustments and
the Test. . . . . . . . . . . . . . . . . . . . 7-44
Defining the Location where the Test Results are
Saved . . . . . . . . . . . . . . . . . . . . 7-46
Running the Tests and Adjustments . . . . . . . . 7-47
Reviewing the Test and Adjustment Results . . . . 7-47
Printing the Test and Adjustment Results . . . . . . 7-49
Exiting the Software . . . . . . . . . . . . . . . 7-49
Support Software Administration . . . . . . . . . . 7-50
Software Configuration . . . . . . . . . . . . . . 7-50
The User Configuration . . . . . . . . . . . . . 7-50
The Administration Configuration . . . . . . . . 7-50
Adding Test Equipment . . . . . . . . . . . . . . 7-51
Removing Test Equipment . . . . . . . . . . . . . 7-54
Editing Test Equipment . . . . . . . . . . . . . . 7-55
Adding Device Drivers . . . . . . . . . . . . . . 7-56
Removing Device Drivers . . . . . . . . . . . . . 7-59
Adding Test Drivers . . . . . . . . . . . . . . . . 7-60
Removing Test Drivers . . . . . . . . . . . . . . 7-62
Adding Datapacks . . . . . . . . . . . . . . . . 7-63
Removing Datapacks . . . . . . . . . . . . . . . 7-65
Motherboard Repair Utility . . . . . . . . . . . . . 7-66
Reading Information from the A3 Motherboard . . . 7-68
Storing Information in the A3 Motherboard . . . . 7-70
8. Performance Tests
Calibration Cycle . . . . . . . . . . . . . . . . . . . 8-l
Required Test Equipment . . . . . . . . . . . . . . . 8-2
Performance Test Descriptions . . . . . . . . . . . . . 8-5
FM Accuracy Performance Test . . . . . . . . . . . 8-6
FM Accuracy Performance Test (Option lE2 Only) . . 8-8
FM Distortion Performance Test . . . . . . . . . . . 8-10
AM Accuracy Performance Test . . . . . . . . . . . 8-12
AM Accuracy Performance Test (Option lE2 only) . . 8-13
AM Distortion Performance Test . . . . . . . . . . . 8-14
Phase Modulation Distortion Performance Test . . . . 8-15
Residual FM Performance Test . . . . . . . . . . . . 8-17
Harmonics Performance Test . . . . . . . . . . . . 8-19
Spurious Performance Test . . . . . . . . . . . . . 8-20
Contents-7
DC FM Frequency Error Performance Test . . . . . . 8-21
RF Level Accuracy Performance Test . . . . . . . . . 8-22
Pulse Modulation On/Off Ratio Performance Test
(Option lE6 Only) . . . . . . . . . . . . . . . . 8-26
Pulse Modulation Rise Time Performance Test (Option
lE6 Only) . . . . . . . . . . . . . . . . . . . . 8-27
Pager Encoder Timebase Accuracy Performance Test
(Option 1EP Only) . . . . . . . . . . . . . . . . 8-29
FSK Deviation Accuracy Performance Test (Option 1EP
Only) . . . . . . . . . . . . . . . . . . . . . . 8-30
Internal Timebase: Aging Rate Performance Test
(Option lE5 Only) . . . . . . . . . . . . . . . . 8-35
Power Level Accuracy Performance Test (Automated) . 8-38
HP 8648A Test Record . . . . . . . . . . . . . . . 8-41
HP 8648B Test Record . . . . . . . . . . . . . . . 8-61
HP 8648C Test Record . . . . . . . . . . . . . . . 8-85
HP 8648D Test Record . . . . . . . . . . . . . . . 8-109
9. Supplemental Verification Tests
Required Test Equipment List . . . . . . . . . . . . . 9-2
CW Frequency Accuracy Supplemental Verification Test 9-3
9 kHz RF Level Accuracy Supplemental Verification Test 9-8
Index
Contents-l
Figures
2-l. HP 8648 Status Register Model . . . . . . . . . . . 2-13
2-2. Paging Encoding Status . . . . . . . . . . . . . . . 2-18
3-l. Replacing the Fuse . . . . . . . . . . . . . . . . . 3-3
3-2. Power Cable and Mains Plug . . . . . . . . . . . . 3-4
4-l. Typical Output Power with Option 1EA . . . . . . . 4-3
5a-1. HP 8648A Simplified Block Diagram . . . . . . . . . 5a-1
5a-2. HP 8648B/C/D Simplified Block Diagram . . . . . . . 5a-2
5b-1. Fuse Removal . . . . . . . . . . . . . . . . . . . 5b-3
5b-2. Location Diagram . . . . . . . . . . . . . . . . . . 5b-4
5b-3. Bottom View of Motherboard with Cover Removed . . 5b-5
5b-4. HP 8648A Block Diagram . . . . . . . . . . . . . . 5b-7
5b-5. HP 8648A Option 1EP A30 Pager Encoder Block
Diagram . . . . . . . . . . . . . . . . . . . . 5b-9
5b-6. HP 8648A Option lE2 Al4 Modulation Generator Block
Diagram . . . . . . . . . . . . . . . . . . . . 5b-9
5b-7. HP 8648B/C/D Block Diagram (1 of 2) . . . . . . . . 5b-11
6-l. HP 8648A Replaceable Parts . . . . . . . . . . . . . 6-3
6-2. HP 8648B/C/D Replaceable Parts . . . . . . . . . . . 6-9
6-3. HP 8648B/C/D Replaceable Parts - All/A12/A13/A14
Detailed View . . . . . . . . . . . . . . . . . . B-11
7-l. 531 Test Point Extender . . . . . . . . . . . . . . . 7-3
7-2. Timebase Adjust Switch Location . . . . . . . . . . 7-4
7-3. Internal Reference Oscillator Adjustment Setup . . . . 7-4
7-4. Pager Encoder Timebase Frequency Adjustment Setup 7-6
7-5. Variable Capacitor Location . . . . . . . . . . . . . 7-7
7-6. AM Level and Distortion Test Setup 1 . . . . . . . . 7-9
7-7. AM Level and Distortion Test Setup 2 . . . . . . . . 7-9
7-8. Location of 530, 531, and 532 on the Motherboard . . 7-10
7-9. AM Level Test Setup 1 . . . . . . . . . . . . . . . 7-11
7-10. AM Level Test Setup 2 . . . . . . . . . . . . . . . 7-11
7-11. Location of 531 and 532 on the Motherboard . . . . . 7-12
7-12. Detector Offset Test Setup . . . . . . . . . . . . . . 7-13
7-13. Output Level Test Setup . . . . . . . . . . . . . . 7-14
7-14. AM Level: FE Test Setup 1 . . . . . . . . . . . . . 7-15
7-15. AM Level: FE Test Setup 2 . . . . . . . . . . . . . 7-15
7-16. Location of 531 and 532 on the Motherboard . . . . . 7-16
7-17. Predistortion and Detector Offset Test Setup . . . . . 7-17
7-18. Prelevel Test Setup . . . . . . . . . . . . . . . . . 7-18
7-19. Output Level: Frequency Extension Calibration Test
Setup . . . . . . . . . . . . . . . . . . . . . . 7-19
7-20. AM Modulator Test Setup . . . . . . . . . . . . . . 7-20
7-21. Location of 531 on the Motherboard . . . . . . . . . 7-21
7-22. Time Base DAC Test Setup . . . . . . . . . . . . . 7-22
7-23. Motherboard Audio Path Test Setup . . . . . . . . . 7-24
7-24. DCFM Test Setup . . . . . . . . . . . . . . . . . . 7-25
7-25. Audio Generator Test Setup . . . . . . . . . . . . . 7-26
Contents-9
7-26. HF Power Level Accuracy Test Setup for Power Levels
>-10dBm . . . . . . . . . . . . . . . . . . . 7-27
7-27. HF Power Level Accuracy Test Setup for Power Levels
of-lOto-70dBm . . . . . . . . . . . . . . . 7-28
7-28. HF Power Level Accuracy Test Setup for Power Levels
< -70 dBm and < 1300 MHz . . . . . . . . . . . 7-28
7-29. HF Power Level Accuracy Test Setup for Power Levels
< -70 dBm and > 1300 MHz . . . . . . . . . . . 7-29
7-30. LF Output Level Test Setup . . . . . . . . . . . . . 7-30
7-31. LF Power Level Accuracy Test Setup for Power Levels
of?-40dBm . . . . . . . . . . . . . . . . . 7-31
7-32. LF Power Level Accuracy Test Setup for Power Levels
of<-40dBm . . . . . . . . . . . . . . . . . 7-32
7-33. FSK Deviation Test Setup . . . . . . . . . . . . . . 7-33
7-34. Filter Path Test Setup . . . . . . . . . . . . . . . . 7-34
7-35. Welcome Screen . . . . . . . . . . . . . . . . . . 7-36
7-36. Important Information Screen . . . . . . . . . . . . 7-37
7-37. Choose Destination Location Screen . . . . . . . . . 7-38
7-38. Select Program Folder Screen . . . . . . . . . . . . 7-38
7-39. Start Copying Files Screen . . . . . . . . . . . . . 7-39
7-40. Installation Status Gauge . . . . . . . . . . . . . . 7-39
7-41. Setup Complete Screen . . . . . . . . . . . . . . . 7-40
7-42. Setup Complete Screen . . . . . . . . . . . . . . . 7-40
7-43. HP Service Support Program Group . . . . . . . . . 7-42
7-44. HP Service Software for PC's Selections . . . . . . . 7-42
7-45. User Information Dialog Box . . . . . . . . . . . . 7-43
7-46. DUT Selection Dialog Box . . . . . . . . . . . . . . 7-43
7-47. Select Test Equipment and Tests Window . . . . . . . 7-44
7-48. Save As Dialog Box . . . . . . . . . . . . . . . . . 7-46
7-49. HP Service Support Software Window . . . . . . . . 7-47
7-50. HP Service Support Software Window Displaying Test
Results . . . . . . . . . . . . . . . . . . . . . 7-47
7-51. Print the Log File? Dialog Box . . . . . . . . . . . 7-49
7-52. The User Information Window . . . . . . . . . . . . 7-50
7-53. Test Equipment Drivers in the File Drop-Down Menu . 7-51
7-54. Adding Test Equipment Using the Test Equipment Menu 7-52
7-55. Adding the Equipment Information Using the New Test
Equipment Window . . . . . . . . . . . . . . . 7-53
7-56. Removing and Editing Test Equipment Using the Test
Equipment Window . . . . . . . . . . . . . . . 7-54
7-57. The Select Test Equipment and Tests Window . . . . 7-56
7-58. Test Equipment Drivers in the File Drop-Down Menu . 7-57
7-59. Adding a Device Driver Using the Test Equipment
Drivers Window . . . . . . . . . . . . . . . . . 7-57
7-60. Using the Open Dialog box to Search for a Device
Driver File to Add . . . . . . . . . . . . . . . . 7-58
7-61. Removing a Device Driver Using the Test Equipment
Drivers Window . . . . . . . . . . . . . . . . . 7-59
7-62. Test Drivers in the File Drop-Down Menu . . . . . . 7-60
7-63. Adding a Test Driver Using the Test Drivers Window . 7-61
7-64. Using the Open Dialog Box to Search for a Test Driver
File to Add . . . . . . . . . . . . . . . . . . . 7-61
7-65. Removing a Test Driver Using the Test Drivers Window 7-62
7-66. Datapacks in the File Drop-Down Menu . . . . . . . 7-63
7-67. Adding a Datapack Using the Datapacks Window . . . 7-64
Contents-l 0
7-68. Using the Open Dialog Box to Search for a Datapack
File to Add . . . . . . . . . . . . . . . . . . . 7-64
7-69. Removing a Datapack Using the Datapacks Window . 7-65
7-70. 110 Port Error Message . . . . . . . . . . . . . . . 7-67
7-71. HP Service Support Program Group . . . . . . . . . 7-68
7-72. HP Service Software for PC's Selections . . . . . . . 7-68
7-73. Password Requested by User Information Dialog Box . 7-69
7-74. HP8648 Motherboard Repair Utility Window . . . . . 7-69
7-75. HP Service Support Program Group . . . . . . . . . 7-70
7-76. HP Service Software for PC's Selections . . . . . . . 7-70
7-77. Password Requested by User Information Dialog Box . 7-71
7-78. HP8648 Motherboard Repair Utility Window . . . . . 7-72
8-l. FM Accuracy Equipment Setup . . . . . . . . . . . 8-6
8-2. FM Accuracy Equipment Setup for HP 8648B/C/D . . 8-7
8-3. FM Accuracy Equipment Setup for Option lE2 . . . . 8-8
8-4. FM Accuracy Equipment Setup for HP 8648B/C/D
Option lE2 . . . . . . . . . . . . . . . . . . . 8-9
8-5. FM Distortion Equipment Setup . . . . . . . . . . . 8-10
8-6. FM Distortion Equipment Setup for HP 8648B/C/D . . 8-11
8-7. AM Accuracy Equipment Setup . . . . . . . . . . . 8-12
8-8. AM Accuracy Equipment Setup for Option lE2 . . . . 8-13
8-9. AM Distortion Equipment Setup . . . . . . . . . . . 8-14
8-10. Phase Modulation Distortion Equipment Setup . . . . 8-15
8-11. Phase Modulation Distortion Equipment Setup for HP
8648B/C/D . . . . . . . . . . . . . . . . . . . 8-16
8-12. Residual FM Equipment Setup . . . . . . . . . . . . 8-17
8-13. Harmonics Equipment Setup . . . . . . . . . . . . 8-19
8-14. Spurious Equipment Setup . . . . . . . . . . . . . 8-20
8-15. DC FM Frequency Error Equipment Setup . . . . . . 8-21
8-16. Equipment Setup for the HP 8648A and HP 8648B/C/D
5 1300MHz. . . . . . . . . . . . . . . . . . . 8-22
8-17. Equipment Setup for the HP 8648B/C/D > 1300 MHz . 8-23
8-18. Pulse Modulation On/Off Ratio Equipment Setup. . . . 8-26
8-19. Pulse Modulation On/Off Risetime Equipment Setup. . 8-27
8-20. Pager Encoder Timebase Accuracy Equipment Setup . 8-29
8-21. FSK Deviation Accuracy Equipment Setup . . . . . . 8-30
8-22. Internal Timebase: Aging Rate Test Setup . . . . . . 8-36
8-23. HF Power Level Accuracy Test Setup Setup for Power
Levels > -10 dBm . . . . . . . . . . . . . . . 8-38
8-24. HF Power Level Accuracy Test Setup for Power Levels
of-lOto-70dBm . . . . . . . . . . . . . . . 8-39
8-25. HF Power Level Accuracy Test Setup for Power Levels
< -70 dBm and 5 1300 MHz . . . . . . . . . . . 8-39
8-26. HF Power Level Accuracy Test Setup for Power Levels
< -70 dBm and > 1300 MHz . . . . . . . . . . . 8-40
9- 1. Frequency Accuracy Equipment Setup . . . . . . . . 9-3
9-2. 9 kHz RF Level Accuracy Equipment Setup . . . . . 9-8
Contents-l 1
Ihbles
O-l. Hewlett-Packard Sales and Service Offices . . . . . .
2-1. Programming Command Statements and Descriptions . 2-i
2-2. Dictionary of Terms . . . . . . . . . . . . . . . . . 2-20
2-3. IEEE 488.2 Capabilities . . . . . . . . . . . . . . . 2-43
5 1. Recommended Test Equipment . . . . . . . . . . . 5-2
5-2. Adjustments and Performance Tests Required after
Repair or Replacement of an HP 8648A Assembly . 5-5
5-3. Adjustments and Performance Tests Required after
Repair or Replacement of an HP 8648B/C/D
Assembly . . . . . . . . . . . . . . . . . . . . 5-6
5a-1. Al Front Panel (Keyboard) . . . . . . . . . . . . . 5a-4
6-l. HP 8648A Replaceable Parts . . . . . . . . . . . . . 6-5
6-2. HP 8648B/C/D Replaceable Parts . . . . . . . . . . . 6-13
7-l. 531 Test Point Extender Parts List . . . . . . . . . . 7-2
7-2. An Example of Calibration Data for Power Sensors . . 7-53
8-l. High Power Level Accuracy Work Table . . . . . . . 8-25
8-2. FSK Deviation Accuracy Work Table . . . . . . . . . 8-33
8-3. HP 8648A Test Record . . . . . . . . . . . . . . . 8-41
8-4. HP 8648A Test Record . . . . . . . . . . . . . . . 8-42
8-5. FM Accuracy Performance Test . . . . . . . . . . . 8-43
8-6. FM Accuracy Performance Test Option lE2 . . . . . . 8-44
8-7. FM Distortion Performance Test . . . . . . . . . . . 8-45
8-8. AM Accuracy Performance Test . . . . . . . . . . . 8-46
8-9. AM Accuracy Performance Test Option lE2 . . . . . 8-48
8-10. AM Distortion Performance Test . . . . . . . . . . . 8-50
8-l 1. Phase Modulation Distortion Performance Test . . . . 8-51
8-12. Residual FM Performance Test . . . . . . . . . . . . 8-51
8-13. Harmonics Performance Test . . . . . . . . . . . . . 8-52
8-14. Spurious Performance Test . . . . . . . . . . . . . 8-53
8-15. DC FM Frequency Error Performance Test . . . . . . 8-54
8-16. RF Level Accuracy Performance Test . . . . . . . . . 8-55
8-17. Pager Encoder Timebase Accuracy Performance Test
(Option 1EP Only) . . . . . . . . . . . . . . . . 8-60
8-18. FSK Deviation Accuracy Performance Test (Option 1EP
Only) . . . . . . . . . . . . . . . . . . . . . . 8-60
8-19. Internal Timebase: Aging Rate Performance Test
(Option lE5 Only) . . . . . . . . . . . . . . . . 8-60
8-20. HP 8648B Test Record . . . . . . . . . . . . . . . 8-61
8-21. HP 8648B Test Record . . . . . . . . . . . . . . . 8-62
8-22. FM Accuracy Performance Test - Part 1 . . . . . . . 8-63
8-23. FM Accuracy Performance Test - Part 2 . . . . . . . 8-63
8-24. FM Accuracy Performance Test Option lE2 - Part 1 . . 8-64
8-25. FM Accuracy Performance Test Option lE2 - Part 2 . . 8-64
8-26. FM Distortion Performance Test - Part 1 . . . . . . . 8-65
8-27. FM Distortion Performance Test - Part 2 . . . . . . . 8-65
8-28. AM Accuracy Performance Test . . . . . . . . . . . 8-66
Contents-l 2
8-29. AM Accuracy Performance Test Option lE2 . . . . . 8-68
8-30. AM Distortion Performance Test . . . . . . . . . . . 8-70
8-31. Phase Modulation Distortion Performance Test - Part 1 8-71
8-32. Phase Modulation Distortion Performance Test - Part 2 8-71
8-33. Residual FM Performance Test . . . . . . . . . . . . 8-71
8-34. Harmonics Performance Test . . . . . . . . . . . . 8-72
8-35. Spurious Performance Test . . . . . . . . . . . . . 8-73
8-36. DC FM Frequency Error Performance Test . . . . . . 8-74
8-37. RF Level Accuracy Performance Test - Part 1 . . . . . 8-75
8-38. RF Level Accuracy Performance Test - Part 2 . . . . . 8-81
8-39. RF Level Accuracy Performance Test - Part 3 . . . . . 8-81
8-40. RF Level Accuracy Performance Test with Options 1EA
andlE6-Part3. . . . . . . . . . . . . . . . . 8-82
8-41. RF Level Accuracy Performance Test - Part 4 . . . . . 8-82
8-42. Pulse Modulation On/Off Ratio Performance Test
(Option lE6 Only) . . . . . . . . . . . . . . . . 8-82
8-43. Pulse Modulation Rise Time Performance Test (Option
lE6 Only) . . . . . . . . . . . . . . . . . . . . 8-83
8-44. Internal Timebase: Aging Rate Performance Test
(Option lE5 Only) . . . . . . . . . . . . . . . . 8-83
8-45. HP 8648C Test Record . . . . . . . . . . . . . . . 8-85
8-46. HP 8648C Test Record 8-86
8-47. FM Accuracy Performance Test'- Part `1 ' : 1 : : : : : 8-87
8-48. FM Accuracy Performance Test - Part 2 . . . . . . . 8-87
8-49. FM Accuracy Performance Test Option lE2 - Part 1 . . 8-88
8-50. FM Accuracy Performance Test Option lE2 - Part 2 . . 8-88
8-51. FM Distortion Performance Test - Part 1 . . . . . . . 8-89
8-52. FM Distortion Performance Test - Part 2 . . . . . . . 8-89
8-53. AM Accuracy Performance Test . . . . . . . . . . . 8-90
8-54. AM Accuracy Performance Test Option lE2 . . . . . 8-92
8-55. AM Distortion Performance Test . . . . . . . . . . . 8-94
8-56. Phase Modulation Distortion Performance Test - Part 1 8-95
8-57. Phase Modulation Distortion Performance Test - Part 2 8-95
8-58. Residual FM Performance Test . . . . . . . . . . . . 8-95
8-59. Harmonics Performance Test . . . . . . . . . . . . 8-96
8-60. Spurious Performance Test . . . . . . . . . . . . . 8-97
8-61. DC FM Frequency Error Performance Test . . . . . . 8-98
8-62. RF Level Accuracy Performance Test - Part 1 . . . . . 8-99
8-63. RF Level Accuracy Performance Test - Part 2 . . . . . 8-105
8-64. RF Level Accuracy Performance Test - Part 3 . . . . . 8-106
8-65. RF Level Accuracy Performance Test with Options 1EA
andlE6-Part3. . . . . . . . . . . . . . . . . 8-106
8-66. RF Level Accuracy Perform◦ Jabse Service Manual Search 2024 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo