Service Manuals, User Guides, Schematic Diagrams or docs for : Tektronix 491
<< Back | HomeMost service manuals and schematics are PDF files, so You will need Adobre Acrobat Reader to view : Acrobat Download Some of the files are DjVu format. Readers and resources available here : DjVu Resources
For the compressed files, most common are zip and rar. Please, extract files with Your favorite compression software ( WinZip, WinRAR ... ) before viewing. If a document has multiple parts, You should download all, before extracting.
Good luck. Repair on Your own risk. Make sure You know what You are doing.
Image preview - the first page of the document
>> Download 491 documenatation <<
Text preview - extract from the document
TM 9-6625-2467-15
DEPARTMENT OF THE ARMY TECHNICAL MANUAL
OPERATOR'S, ORGANIZATIONAL, DIRECT SUPPORT, GENERAL SUPPORT,
AND DEPOT MAINTENANCE MANUAL
(INCLUDING REPAIR PARTS)
SPECTRUM ANALYZER
(TEKTRONIX, INC. MODEL 491)
(6625-494-2937)
HEADQUARTERS, DEPARTMENT OF THE ARMY
DECEMBER 1969
WARNING
HIGH VOLTAGE
is used in the operation of this equipment.
DEATH ON CONTACT
may result if personnel fail to observe safety precautions.
Learn the areas containing high voltage
in each piece of equipment.
Be careful not to contact high-voltage or 115-volt ac input connections
when installing or operating this equipment.
Before working inside the equipment, turn power off and ground points of
high potential before touching them.
This manual contains copyright material
reproduced by permission of TEKTRONIX, Inc.
TM 9-6625-2467-15
TECHNICAL MANUAL ) HEADQUARTERS
) DEPARTMENT OF THE ARMY
No. 9-6625-2467-15 ) Washington, D.C., 15 December 1969
SPECTRUM ANALYZER (TEKTRONIX, INC. MODEL 491)
(6625-494-2937)
CONTENTS
Section 1 Characteristics
Section 2 Operating Instructions
Section 3 Circuit Description
Section 4 Maintenance
Section 5 Performance Check
Section 6 Calibration
Abbreviations and Symbols
Section 7 Electrical Parts List
Mechanical Parts List Information
Section 8 Mechanical Parts List
Section 9 Diagrams
Mechanical Parts List Illustrations
Accessories
APPENDIX A. BASIC ISSUE ITEMS LIST
B. MAINTENANCE ALLOCATION CHART
C. REPAIR PARTS LIST
Abbreviations and symbols used in this manual
are based on or taken directly from IEEE Stand-
ard 260 "Standard Symbols for Units", MIL-
STD-12B and other standards of the electronics
industry.
i
Fig. 1-1. The Type 491 Spectrum Analyzer.
i i
SECTION 1
CHARACTERISTICS
The Type 491 Spectrum Analyzer is a wide band,
general purpose portable spectrum analyzer with an RF
center frequency range from 10 MHz to 40 GHz. The ana-
lyzer displays signal amplitude as a function of frequency
for a selected portion of the spectrum, Frequency iS dis-
played along the horizontal axis (dispersion) and signal
amplitude on the vertical axis of a self-contained system. The following electrical characteristics apply at an ambient
temperature of 25◦ Jabse Service Manual Search 2024 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo