Equipment information:

Wiltron 5428A Test Set
Model: 5428A
Date: 1992
Category: Measurement instruments
Group: Test Set
                                    The 54XXA is a microprocessor controlled scalar
measurement system. This system is used to make
scalar (magnitude) transmission, reflection, and absolute
power measurements. A typical model is
shown in Figure 1-1 (facing page). All measurement
functions are selectable by using the front panel
keys and controls together with the display screen
menus. Section III describes this mode of operation.
All 54XXA front panel control functions (except
POWER on/off) are programmable via the IEEE–488
interface bus (GPIB). This function can be ordered
as an option on all models (refer to paragraph 1-6).
Remote operation of the 54XXA using GPIB commands
is described in the GPIB User’s Guide for the
54XXA Series Scalar Measurement Systems that is
located behind the Supplements/Options tab at the
rear of this manual.
The measurement frequency range of the 54XXA is
determined by:
· The range of the internal signal source of the
particular model.
· The external SWR Autotester and/or detector
used with the 54XXA.

These manuals are available for the above equipment:

Wiltron -- 5428A -- Service Manual
File name: Wiltron-6262-Manual-Page-1-Picture
Manual Type: Service Manual
Pages: 185
Size: 1.54 Mbytes (1613976 Bytes)
Language: english
Revision: A
Manual-ID/Number: 10410-00123
Date: August 1992
Quality: Electronic document, no scan, very well readable.
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ed2kID: a77b3b7c3f3ebce36d949b11d0c8a9e9
Downloads: 433 since 17 August 2014
Chapter 1 — General Service Information
This section provides a general description of series 54XXA
Scalar Measurement Systems, system
serial numbers, and frequency ranges. It explains the level
of maintenance covered in this manual
and provides preventative maintenance procedures. It also
contains static-sensitive component handling
precautions and a list of recommended test equipment.
Chapter 2 — Replaceable Parts
This Chapter lists all replaceable subassemblies and
components for all 54XXA models. It explains
the WILTRON exchange assembly program and provides parts
ordering information.
Chapter 3 — Troubleshooting
This chapter provides information for troubleshooting 54XXA
Scalar Measurement Systems. The
troubleshooting information and fault location tables
contained in this chapter support fault isolation
down to a replaceable subassembly.
Chapter 4 — Functional Overview
This chapter provides descriptions of the functional
operation of the major assemblies contained in
54XXA series Scalar Measurement Systems. The operation of
all major circuit blocks is described
so that the reader may better understand the function of
each major assembly as part of the overall
operation of the 54XXA.
Chapter 5 — Removal and Replacement Procedures
This chapter describes how to gain access to the major 54XXA
assemblies and parts for troubleshooting
or replacement.
Chapter 6 — Adjustments
This chapter provides adjustment procedures for all models
of series 54XXA Scalar Measurement
Systems. These procedures are used after replacement or
repair of one or more critical subassemblies,
or as indicated by the Performance Verification Procedures
(which are contained in Section V
of the Series 54XXA Scalar Measurement Systems Operation
Appendix A — RF Detector Diode Replacement Procedures
This appendix contains rf detector diode replacement
procedures for 5400-71XXX and 560-7XXX series
RF Detectors.
54XXA MM i
Appendix B — Fabrication of RF Detector Simulator
This appendix contains information for fabricating the T1492
RF Detector Simulator test aid. This
test aid is used in the calibration procedures contained in
Chapter 6.
Appendix C — Fabrication of Dummy Thermistor Test Aids
This appendix contains information for fabricating the
T38300 Dummy Down Converter Thermistor
and the T38301 Dummy Directional Coupler Thermistor test
aids. These test aids are used in
the Temperature Compensation Adjustment Procedure for series
54XXA Scalar Measurement Systems
contained in Chapter 6.
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Wiltron -- 5428A -- User Manual
File name: Wiltron-6263-Manual-Page-1-Picture
Manual Type: User Manual
Pages: 100
Size: 1.96 Mbytes (2055909 Bytes)
Language: english
Revision: E
Manual-ID/Number: 10410-00118
Date: December 1994
Quality: Electronic document, no scan, very well readable.
Upload date:
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Downloads: 249 since 17 August 2014
Tab / Section Title
Contains a general description of the WILTRON Series 54XXA
Scalar Measurement Systems,
product identification numbers, related manuals,
accessories, and options. SWR
Autotesters and detectors used with these systems are
described along with precautions
for use of these accessories. System specifications are
listed and a list of recommended
test equipment is provided.
Contains information for the initial inspection and
preparation of the 54XXA system. Explains
how to set the rear panel Line Voltage Module and provides
information for connection
to the rear panel GPIB connectors and other input/output
Describes the front panel controls and connectors of the
54XXA and the menus associated
with the front panel keys. Explains the measurement screen
display and annotation and
describes the overall operation of the system using these
controls, menus and display.
This section describes measurement and calibration
procedures used with 54XXA Scalar
Measurement Systems. The specific procedures described are:
self-test, calibration, and
procedures for transmission, return loss, power and
alternating setup measurements.
This section contains procedures for verifying the
performance of Series 54XXA Scalar
Measurement Systems to the specifications listed in Section I.
Contains tables that describe 54XXA Error/Warning Messages,
Front Panel LED Error
Codes, and Printer Switch Settings. A Rear Panel Layout and
Connector Location Diagram
and connector pinout diagrams are also included.
GPIB USER’S GUIDE — Contains information for operating the
54XXA Scalar Measurement
System with the IEEE-488 General Purpose Interface Bus
(GPIB). The set of GPIB
command codes for the 54XXA are described, and example
programs showing use of the
GPIB command codes are included.
Also included behind this tab are three application notes
that contain information about test
applications and GPIB programming for 54XXA Scalar
Measurement Systems:
5400A-2 Data Sheet for 54XXA Scalar Measurement
Systems Part No. 11410-00100
AN5400A-1, Testing Microwave Amplifiers Part No. 11410-00081
AN5400A-2, Testing Microwave Mixers Part No. 11410-00082
AN5400A-3, Programming the 54XXA Systems Using
Microsoft QuickBASICâ Part No. 11410-00083
Series 560 Autotesters Operation and Maintenance Manual,Part
No. 10100-00028.
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Wiltron -- 5428A -- User Manual
File name: Wiltron-6264-Manual-Page-1-Picture
Manual Type: User Manual
Pages: 66
Size: 657.53 Kbytes (673313 Bytes)
Language: english
Revision: C
Manual-ID/Number: 10410-00119
Date: October 1993
Quality: Electronic document, no scan, very well readable.
Upload date:
MD5: 527cd688bd02d246bc53b3cabf308d27
ed2kID: b4f26fe1ded0649c3f77a0b094428025
Downloads: 247 since 17 August 2014

This User’s Guide provides information for operating
Series 54XXA Scalar Measurement Systems
with the IEEE-488 General Purpose Interface Bus
(GPIB). All 54XXA GPIB commands (i.e., Product
Specific Commands) are listed and described. The
set of IEEE-488 Interface Function Messages recognized
by the 54XXA are listed and the 54XXA response
Included is a brief description of the IEEE-488 General
Purpose Interface Bus hardware and the bus
data transfer and control functions. The information
about the IEEE-488 interface bus presented in this
manual is general in nature. For complete and specific
information, refer to the ANSI/IEEE Std 488-
1978 document entitled “IEEE Standard Digital Interface
for Programmable Instrumentation”. This
document precisely defines the set of dedicated hardware
signal lines, interface functions, protocols, and
messages for the interface bus.
This manual is intended to be used in conjunction
with the Series 54XXA Scalar Measurement System
Operation Manual. Refer to that manual for information
about equipment set up for GPIB operation
and installation of the National Instruments GPIBPCII/
IIA interface card and associated software.
For additional information about use of 54XXA systems
with the IEEE-488 GPIB bus, refer to Application
Note 5400A-3 (located behind this manual).
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