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TM-11-6625-2781-14-P-2		Next
LIST OF ILLUSTRATIONS

TM 11-6625-2781-14&P-2
This manual contains copyrighted material reproduced by permission of the Hewlett-Packard Company. All rights
reserved.
}
TECHNICAL MANUAL
HEADQUARTERS
DEPARTMENT OF THE ARMY
No. 11-6625-2781-14&P-2
WASHINGTON, DC, 27 November 1981
OPERATOR'S, ORGANIZATIONAL, DIRECT SUPPORT
AND GENERAL SUPPORT MAINTENANCE MANUAL
INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST
FOR
SPECTRUM ANALYZER RF SECTION PL-1399/U
(NSN 625-0-432-5055)
REPORTING ERRORS AND RECOMMENDING IMPROVEMENTS
You can help improve this manual. If you find any mistakes or if you know of a way to
improve the procedures, please let us know. Mail your letter or DA Form 2028 (Recommended
Changes to Publications and Blank Forms), directly to Commander, US Army Communications-
Electronics Command, ATTN: DRSEL-ME-MQ, Fort Monmouth, NJ 07703.
In either case, a reply will be furnished directly to you.
TABLE OF CONTENTS
Section 0
INTRODUCTION
Page
Page
0-1
Scope ................................................................
0-1
3-8.
Control Grouping ...................................................
3-1
0-2
Indexes of Publications......................................
0-1
3-17.
Variable Persistence and Storage Func-
0-3
Maintenance Forms, Records and Reports.......
0-1
tions ................................................................
3-2
0-4
Reporting Equipment Improvement Recom-......
3-22.
Photographic Techniques......................................
3-2
mendations....................................................
0-1
3-24.
Applications of Spectrum Analysis ........................
3-2
0-5
Administrative Storage.......................................
0-2
Section IV
PERFORMANCE TESTS.....................................
4-1
0-6
Destruction of Army Electronics Materiel...........
0-2
4-1.
Introduction............................................................
4-1
Section I
..........................................................................
4-5.
Front Panel Checks...............................................
4-1
GENERAL INFORMATION ..............................
1-1
4-7.
Performance Tests................................................
4-1
1-1.
Introduction........................................................
1-1
4-12.
Front Panel Check Procedure ...............................
4-1
1-5.
Instruments Covered by Manual........................
1-1
4-13.
Preset Adjustments ...............................................
4-1
1-7.
Description. .......................................................
1-1
4-16.
Display Section Adjustments.................................
4-2
1-11.
Options..............................................................
1-1
4-17.
IF Section Adjustments .........................................
4-2
1-13.
Equipment Required but not Supplied...............
1-2
4-18.
Ampl Cal Adjustment (RF Section)........................
4-4
1-17.
Optional Equipment...........................................
1-2
4-19.
Ampl Cal Check for Linear Sensitivity Accur-
1-24.
Test Equipment Required..................................
1-2
acy...................................................................
4-4
1-26.
W arranty............................................................
1-2
4-22.
Performance Test Procedures ..............................
4-6
Section II
INSTALLATION ................................................
2-1
4-23.
Input Impedance....................................................
4-6
2-1.
Shipping Information .........................................
2-1
4-24.
Scan Width Accuracy............................................
4-8
2-3.
Initial Inspection.................................................
2-1
4-25.
Tuning Dial Accuracy ............................................
4-11
2-4.
Mechanical Check .............................................
2-1
4-26.
Frequency Response ............................................
4-13
2-6.
Performance Checkout......................................
2-1
4-27.
Average Noise Level ..............................................
4-15
2-8.
Deleted ..............................................................
2-1
4-28.
Spurious Responses .............................................
4-16
2-10.
Power Requirements .........................................
2-1
4-29.
Residual Responses .............................................
4-18
2-11.
Source Power....................................................
2-1
4-30.
Noise Sidebands ...................................................
4-20
2-13.
Preliminary Power Settings................................
2-1
4-31.
Local Oscillator Stability and Residual Fre
2-15.
Power Cable ......................................................
2-1
quency Modulation ..........................................
4-21
2-17.
Connections ......................................................
2-1
Section V
ADJUSTMENTS ...................................................
5-1
2-20.
Installation Checkout .........................................
2-2
5-1.
Introduction............................................................
5-1
Section III
OPERATION ....................................................
3-1
5-4.
Equipment Required..............................................
5-1
3-1.
Introduction........................................................
3-1
5-15.
Factory Selected Components...............................
5-2
3-3.
Controls, Indicators and Connectors .................
3-1
5-17.
Related Adjustments .............................................
5-2
3-5.
Operator' Checks ............................................
s
3-1
5-22.
First Local Oscillator Adjustment...........................
5-5
3-7.
Operating Considerations..................................
3-1
5-23.
Tuning Range Adjustment.....................................
5-8
This manual is an authentication of the manufacturer's commercial literature which, through usage, has been found to
cover the data required to operate and maintain this equipment. Since the manual was not prepared in accordance with
military specifications and AR 310-3, the format has not been structured to consider levels of maintenance.
i

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