HP E1340A User manual

Contents
HP E1340A Function Generator Service Manual
Edition 3
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
WARNINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Safety Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Declaration of Conformity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Reader Comment Sheet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Manual Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Manual Content . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Chapter 1. General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Safety Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
WARNINGS and CAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Inspection/Shipping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Initial Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Shipping Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
AFG Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
AFG Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
AFG Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
AFG Serial Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Recommended Test Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Chapter 2. Verification Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Test Conditions and Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Performance Test Record . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Verification Test Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Command Coupling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Functional Verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Operation Verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Performance Verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Performance Test Record . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
AFG Test Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Measurement Uncertainty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Test Accuracy Ratio (TAR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Chapter 3. Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Required Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Recommended Environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Calibration Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Chapter 4. Replaceable Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Exchange Assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
HP E1340A Function Generator Service Manual Contents 1

Replaceable Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Chapter 5. Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Equipment Required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Service Aids . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Troubleshooting Techniques . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Identifying the Problem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Testing the Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Removing BNC Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Repair and Maintenance Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
ESD Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Soldering Printed Circuit Boards . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Post-Repair Safety Checks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Appendix A. Verification Tests - C Programs . . . . . . . . . . . . . . . . . . . . . . . . . 85
Functional Verification Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Functional Verification: Self-Test . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Functional Verification: Aux In Test . . . . . . . . . . . . . . . . . . . . . . . . . . 86
Functional Verification: Aux Out Test . . . . . . . . . . . . . . . . . . . . . . . . . 87
Performance Verification Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Test 2-1: DC Accuracy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Test 2-2: DC Offset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
Test 2-3: AC Accuracy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
Test 2-4: AC Flatness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Test 2-5: Frequency Accuracy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Test 2-6: Total Harmonic Distortion . . . . . . . . . . . . . . . . . . . . . . . . . 97
Test 2-7: Spurious and Non-Harmonic Distortion . . . . . . . . . . . . . . . . . . 99
Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
DC Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
AC Flatness Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
2 Contents HP E1340A Function Generator Service Manual

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 Tech-
nology (formerly National Bureau of Standards), to the extent allowed by that organization’s calibration facility, and to the calibration
facilities of other International Standards Organization members.
Warranty
This Hewlett-Packard product is warranted against defects in materials and workmanship for a period of three years from date of ship-
ment. Duration and conditions of warranty for this product may be superseded when the product is integrated into (becomes a part of)
other HP products. 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 (HP). Buyer shall pre-
pay 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 products returned to HP from another country.
HP warrants that its software and firmware designated by HP for use with a product will execute its programming instructions when
properly installed on that product. HP does not warrant that the operation of the product, 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 prod-
ucts or interfacing, unauthorized modification or misuse, operation outside of the environmental specifications for the product, or im-
proper site preparation or maintenance.
The design and implementation of any circuit on this product is the sole responsibility of the Buyer. HP does not warrant the Buyer’s
circuitry or malfunctions of HP products that result from the Buyer’s circuitry. In addition, HP does not warrant any damage that oc-
curs as a result of the Buyer’s circuit or any defects that result from Buyer-supplied products.
NO OTHER WARRANTY IS EXPRESSED OR IMPLIED. HP 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. HP SHALL NOT BE LIABLE
FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, WHETHER BASED ON CON-
TRACT, TORT, OR ANY OTHER LEGAL THEORY.
Notice
The information contained in this document is subject to change without notice. HEWLETT-PACKARD (HP) MAKES NO WAR-
RANTY OF ANY KIND WITH REGARD TO THIS MATERIAL, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WAR-
RANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. HP 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. This docu-
ment contains proprietary information which is protected by copyright. All rights are reserved. No part of this document may be photo-
copied, reproduced, or translated to another language without the prior written consent of Hewlett-Packard Company. HP assumes no
responsibility for the use or reliability of its software on equipment that is not furnished by HP.
U.S. Government Restricted Rights
The Software and Documentation have been developed entirely at private expense. They are delivered and licensed as "commercial com-
puter software" as defined in DFARS 252.227-7013 (Oct 1988), DFARS 252.211-7015 (May 1991) or DFARS 252.227-7014
(Jun 1995), as a "commercial item" as defined in FAR 2.101(a), or as "Restricted computer software" as defined in FAR 52.227-19 (Jun
1987) (or any equivalent agency regulation or contract clause), whichever is applicable. You have only thoserights provided for such Soft-
ware and Documentation by the applicable FAR or DFARS clause or the HP standard software agreement for the product involved.
HP E1340A Arbitrary Function Generator Service Manual
Edition 3
Copyright © 1997 Hewlett-Packard Company. All Rights Reserved.
HP E1340A Arbitrary Function Generator Service Manual 3

Frame or chassis ground terminal—typi-
cally connects to the equipment’s metal
frame.
Alternating current (AC).
Direct current (DC).
Indicates hazardous voltages.
Calls attention to a procedure, practice, or
condition that could cause bodily injury or
death.
Calls attention to a procedure, practice, or con-
dition that could possibly cause damage to
equipment or permanent loss of data.
Indicates the field wiring terminal that must
be connected to earth ground before operat-
ing the equipment—protects against electri-
cal shock in case of fault.
Instruction manual symbol affixed to prod-
uct. Indicates that the user must refer to the
manual for specific WARNING or CAU-
TION information to avoid personal injury
or damage to the product.
or
WARNINGS
The following general safety precautions must be observed during all phases of operation, service, and repair of this product.
Failure to comply with these precautions or with specific warnings elsewhere in this manual violates safety standards of design,
manufacture, and intended use of the product. Hewlett-Packard Company assumes no liability for the customer’s failure to
comply with these requirements.
Ground the equipment: For Safety Class 1 equipment (equipment having a protective earth terminal), an uninterruptible safety earth
ground must be provided from the mains power source to the product input wiring terminals or supplied power cable.
DO NOT operate the product in an explosive atmosphere or in the presence of flammable gases or fumes.
For continued protection against fire, replace the line fuse(s) only with fuse(s) of the same voltage and current rating and type.
DO NOT use repaired fuses or short-circuited fuse holders.
Keep away from live circuits: Operating personnel must not remove equipment covers or shields. Procedures involving the removal
of covers or shields are for use by service-trained personnel only. Under certain conditions, dangerous voltages may exist even with the
equipment switched off. To avoid dangerous electrical shock, DO NOT perform procedures involving cover or shield removal unless
you are qualified to do so.
DO NOT operate damaged equipment: Whenever it is possible that the safety protection features built into this product have been im-
paired, either through physical damage, excessive moisture, or any other reason, REMOVE POWER and do not use the product until
safe operation can be verified by service-trained personnel. If necessary, return the product to a Hewlett-Packard Sales and Service Of-
fice for service and repair to ensure that safety features are maintained.
DO NOT service or adjust alone: Do not attempt internal service or adjustment unless another person, capable of rendering first aid
and resuscitation, is present.
DO NOT substitute parts or modify equipment: Because of the danger of introducing additional hazards, do not install substitute
parts or perform any unauthorized modification to the product. Return the product to a Hewlett-Packard Sales and Service Office for
service and repair to ensure that safety features are maintained.
WARNING
CAUTION
Documentation History
All Editions and Updates of this manual and their creation date are listed below. The first Edition of the manual is Edition 1. The Edi-
tion number increments by 1 whenever the manual is revised. Updates, which are issued between Editions, contain replacement pages
to correct or add additional information to the current Edition of the manual. Whenever a new Edition is created, it will contain all of
the Update information for the previous Edition. Each new Edition or Update also includes a revised copy of this documentation his-
tory page.
Edition 1 (Part Number E1340-90010). . . . . . . . . . . . . . . . . . . . . . October 1992
Edition 2 (Part Number E1340-90011). . . . . . . . . . . . . . . . . . . . . . . . . June 1996
Edition 3 (Part Number E1340-90012). . . . . . . . . . . . . . . . . . . . . . January 1997
Safety Symbols
4 HP E1340A Arbitrary Function Generator Service Manual

Declaration of Conformity
according to ISO/IEC Guide 22 and EN 45014
Manufacturer’s Name: Hewlett-Packard Company
Loveland Manufacturing Center
Manufacturer’s Address: 815 14th Street S.W.
Loveland, Colorado 80537
declares, that the product:
Product Name: Arbitrary Function Generator
Model Number(s): HP E1340A
Product Options: All
conforms to the following Product Specifications:
Safety: IEC 1010-1 (1992)/EN61010 (1993)
CSA 231
UL 1244
EMC: CISPR 11:1990/EN55011 (1991): Group1 Class A
IEC 801-2:1991/EN50082-1 (1992): 4kVCD, 8kVAD
IEC 801-3:1984/EN50082-1 (1992): 3 V/m
IEC 801-4:1988/EN50082-1 (1992): 1kV PL
0.5kV SL
Supplementary Information: The product herewith complies with the requirements of the Low Voltage Directive
73/23/EEC and the EMC Directive 89/336/EEC and carries the "CE" marking accordingly.
Tested in a typical HP B-size VXI configuration.
European contact: Your local Hewlett-Packard Sales and Service Office or Hewlett-Packard GmbH, Department
HQ-TRE, Herrenberger Straße 130, D-71034 Böblingen, Germany (FAX [phone]).
September 5, 1996 Jim White, QA Manager
HP E1340A Arbitrary Function Generator Service Manual 5

Notes
6 HP E1340A Arbitrary Function Generator Service Manual

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HP E1340A Arbitrary Function Generator Service Manual
Edition 3
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What’s in this Manual
Manual Overview
This manual shows how to service the HP E1340A Arbitrary Function Generator. Consult the HP E1340A
User’s Manual for additional information on installing, configuring, and operating the instrument. Consult the
appropriate user’s manual for information on configuring and operating the mainframe.
Manual Content
Chap Title Content
1 General
Information Provides a basic description, and lists available options and accessories. Also lists the test equipment required for service.
2 Verification
Tests Functional verification, operation verification, and performance verification tests.
3 Adjustments Procedures for adjusting the instrument to within its rated specifications.
4 Replaceable
Parts Lists part numbers for user-replaceable parts in the arbitrary function generator. Provides information on ordering spare parts and
module/assembly exchange.
5 Service Procedures to aid in fault isolation and repair of the instrument.
Appx A Verification Tests
- C Programs Gives C Program Examples to do the Verification Tests in Chapter 2.
HP E1340A Service Manual What’s in this Manual 11

Notes
12 What’s in this Manual HP E1340A Service Manual

Chapter 1
General Information
Introduction
This manual contains information required to test, troubleshoot, and repair
the HP E1340A B-Size VXI Arbitrary Function Generator (AFG). See the
HP E1340A User’s Manual for additional information. Figure 1-1 shows
the HP E1340A. This chapter includes the following sections:
•Introduction
•Safety Considerations
•Inspection/Shipping
•Environment
•AFG Description
•Recommended Test Equipment
Figure 1-1. HP E1340A Arbitrary Function Generator
Chapter 1 General Information 13

Safety Considerations
This product is a Safety Class I instrument that is provided with a protective
earth terminal when installed in the mainframe. The mainframe, AFG, and
all related documentation should be reviewed for familiarization with safety
markings and instructions before operation or service.
Refer to the WARNINGS on page 4 in this manual for a summary of safety
information. Safety information for testing and service follows and is also
found throughout this manual.
WARNINGS and
CAUTIONS This section contains WARNINGS which must be followed for your
protection and CAUTIONS which must be followed to avoid damage to the
equipment when performing instrument maintenance or repair.
WARNING SERVICE-TRAINED PERSONNEL ONLY. The information in this
manual is for service-trained personnel who are familiar with
electronic circuitry and are aware of the hazards involved. To
avoid personal injury or damage to the instrument, do not
perform procedures in this manual or do any servicing unless
you are qualified to do so.
CHECK MAINFRAME POWER SETTINGS. Before applying
power, verify that the mainframe setting matches the line
voltage and that the correct fuse is installed. An uninterruptible
safety earth ground must be provided from the main power
source to the supplied power cord set.
GROUNDING REQUIREMENTS. Interruption of the protective
(grounding) conductor (inside or outside the mainframe) or
disconnecting the protective earth terminal will cause a
potential shock hazard that could result in personal injury.
(Grounding one conductor of a two-conductor outlet is not
sufficient protection.)
IMPAIRED PROTECTION. Whenever it is likely that instrument
protection has been impaired, the mainframe must be made
inoperative and be secured against any unintended operation.
REMOVE POWER IF POSSIBLE. Some procedures in this
manual may be performed with power supplied to the
mainframe while protective covers are removed. Energy
available at many points may, if contacted, result in personal
injury. (If maintenance can be performed without power applied,
the power should be removed.)
14 General Information Chapter 1

WARNING USING AUTOTRANSFORMERS. If the mainframe is to be
energized via an autotransformer (for voltage reduction) make
sure the common terminal is connected to neutral (that is, the
grounded side of the main’s supply).
CAPACITOR VOLTAGES. Capacitors inside the mainframe may
remain charged even when the mainframe has been
disconnected from its source of supply.
USE PROPER FUSES. For continued protection against fire
hazard, replace the line fuses only with fuses of the same
current rating and type (such as normal blow, time delay, etc.).
Do not use repaired fuses or short-circuited fuseholders.
CAUTION Static electricity is a major cause of component failure. To
prevent damage to the electrical components in the AFG,
observe anti-static techniques whenever working on the AFG.
Chapter 1 General Information 15

Inspection/Shipping
This section describes initial (incoming) inspection and shipping guidelines
for the AFG.
Initial Inspection Use the steps in Figure 1-2 as guidelines to perform initial inspection of the
AFG.
WARNING To avoid possible hazardous electrical shock, do not perform
electrical tests if there are signs of shipping damage to the
shipping container or to the instrument.
Figure 1-2. Initial (Incoming) Inspection Guidelines
16 General Information Chapter 1

Shipping Guidelines Follow the steps in Figure 1-3 to return the AFG to a Hewlett-Packard Sales
and Support Office or Service Center.
1. Prepare the module.
•Attach tag to module that identifies:
–Owner
–Model Number/Serial Number
–Service Required
•Place tagged device in approved anti-static bag.
2. Package the module.
•Place packaged module in shipping carton*.
•Place 75 to 100 mm (3 to 4 inches) of
shock-absorbing material around the module.
•Seal the shipping container securely.
•Mark the shipping container FRAGILE.
3. Ship the module to Hewlett-Packard.
•Place address label on shipping carton.
•Send carton to Hewlett-Packard.
* We recommend that you use the same shipping materials as those used in factory packaging (available from
Hewlett-Packard). For other (commercially-available) shipping materials, use a double-wall carton with
minimum 2.4 MPa (350 psi) test.
Figure 1-3. Packaging/Shipping Guidelines
Chapter 1 General Information 17

Environment
The recommended operating environment for the HP E1340A AFG is:
Environment Temperature Humidity
Operating 0oC to +55oC <65% relative (0oC to +40oC)
Storage and
Shipment -40oC to +75oC <65% relative (0oC to +40oC)
AFG Description
The HP E1340A Arbitrary Function Generator is a VXIbus B-size,
register-based instrument. The AFG can operate in a B-size VXIbus
mainframe (or a C-size VXIbus mainframe using an HP E1405/E1406
Command Module) using Standard Commands for Programmable
Instruments (SCPI).
AFG Specifications AFG specifications are listed in Appendix A of the HP E1340A User’s
Manual. These specifications are the performance standards or limits
against which the instrument may be tested.
AFG Options Arbitrary Waveform Generation Software for HP 9000 Series 300
computers can be ordered as Option 005.
AFG Serial Numbers Figure 1-4 shows Hewlett-Packard serial number structure. AFG’s covered
by this manual are identified by a serial number prefix listed on the title
page.
Figure 1-4. Hewlett-Packard Serial Numbers
18 General Information Chapter 1

Recommended Test Equipment
Table 1-1 lists the test equipment recommended for testing, adjusting, and
servicing the AFG. Essential requirements for each piece of test equipment
are described in the "Requirements" column.
Table 1-1. Recommended Test Equipment
Instrument Requirements Recommended
Model Use*
Controller, HP-IB HP-IB compatibility as defined by IEEE
Standard 488-1988 and the identical ANSI
Standard MC1.1: SH1, AH1, T2, TE0, L2,
LE0, SR0, RL0, PP0, DC0, DT0, and C1, 2, 3,
4, 5.
HP 9000 Series 300
or
IBM compatible PC with HP
BASIC
F,O,
P,A,T
Mainframe Compatible with AFG HP E1300A/E1301A, E1302A,
or
HP E1400B/T, E1421A (w/HP
E1405/E1406)
F,O,
P,A,T
Digital Multimeter DCV, ACV HP 3458A O,P,
A,T
Power Meter Frequency Range: 100 kHz - 20 MHz HP 8902A P,A
Power Sensor Frequency Range: 100 kHz - 20 MHz HP 11722A P,A
Counter Frequency Range: up to 45 MHz HP 5334A/B P
Spectrum Analyzer
(low frequency) Frequency Range: 100 kHz - 40 MHz HP 3585A/B O,P
Spectrum Analyzer
(high frequency) Frequency Range: 1 MHz - 150 MHz HP 8566B/8568B P
Oscilloscope General Purpose
Bandwidth: 20 MHz HP 54111D F
50 Ωfeed-thru
termination 50 ±0.10 ΩHP 11048C P
* F = Functional Verification, O = Operation Verification Tests, P = Performance Verification
Tests, A = Adjustments, T = Troubleshooting
Chapter 1 General Information 19

Notes
20 General Information Chapter 1

Chapter 2
Verification Tests
Introduction
The three levels of test procedures described in this chapter are used to
verify that the HP E1340A AFG:
•is fully functional (Functional Verification)
•meets selected testable specifications (Operation Verification)
•meets all testable specifications (Performance Verification)
WARNING Do not perform any of the following verification tests unless
you are a qualified, service-trained technician and have read
the WARNINGS and CAUTIONS in Chapter 1.
Test Conditions
and Procedures See Table 1-1 for test equipment requirements. You should complete the
Performance Verification tests at least once a year. For heavy use or severe
operating environments, perform the tests more often.
The verification tests assume that the person performing the tests
understands how to operate the mainframe, the AFG, and specified test
equipment. The test procedures do not specify equipment settings for test
equipment, except in general terms. It is assumed that a qualified,
service-trained technician will select and connect the cables, adapters, and
probes required for the test.
Performance Test
Record The results of each Performance Verification test may be recorded in
Table 2-7, "Performance Test Record for the HP E1340A." You may make
a photocopy of this form, if desired.
Verification Test
Examples Each verification test procedure includes an example program that performs
the test. All example programs assume the following configuration:
•Controller is an HP 9000 Series 200/300 computer
•Programming language is HP BASIC
•AFG address is 70910
Chapter 2 Verification Tests 21

Command Coupling Many of the AFG SCPI commands are value coupled. In order to prevent
"Settings Conflict" errors, coupled commands must be sent contiguously by
placing them in the same program line, or by suppressing the end-of-line
terminator. (For more information on command coupling and syntax, see
Chapter 1 of the HP E1340A User’s Manual). In HP BASIC, the
end-of-line terminator can be suppressed by linking the commands with a
semi-colon (;) and a colon (:), as illustrated below:
FUNC SIN;
:VOLT 1VRMS
In the example programs, these commands would appear as follows:
OUTPUT 70910;"FUNC SIN;";
OUTPUT 70910;":VOLT 1VRMS"
Functional Verification
The purpose of these tests is to verify that the AFG is functioning properly
and that all front panel inputs and outputs are working. No attempt is made
to verify that the AFG is meeting specifications. Functional Verification for
the AFG includes the following tests:
–Self-Test
–Aux In Test
–Aux Out Test
NOTE For a quick functional check of the AFG, perform only the Self-Test.
22 Verification Tests Chapter 2