DEPARTMENT
OF
THE
ARMY
TECHNICAL
BULLETIN
CALIBRATION PROCEDURE FOR
SIGNAL GENERATOR
POLARAD MODEL 1709
Headquarters, Department of the Army, Washington, D.C.
17 May 1978
REPORTING OF ERRORS
You can help improve this publication by calling attention to errors and by recommending
improvements and stating your reasons for the recommendations. Your letter or DA Form 2028
(Recommended Changes to Publications and Blank Forms) should be mailed direct to
Commander, US Army Communications Electronics Materiel Readiness Command, ATTN:
DRSELMA-Q, Fort Monmouth, NH 07703. A reply will be furnished direct to you.
Paragraph
Page
IDENTIFICATION AND DESCRIPTION
Test instrument identification ..................................................................................1
Calibration data card, DA Form 2416 .....................................................................2
Calibration description.............................................................................................3
EQUIPMENT REQUIREMENTS
Equipment required.................................................................................................4
Accessories required ..............................................................................................5
PRELIMINARY OPERATIONS
Preliminary instructions ...........................................................................................6
Equipment setup .....................................................................................................7
CALIBRATION PROCESS
Frequency and stability ...........................................................................................8
Power output ...........................................................................................................9
Square wave symmetry...........................................................................................10
Attenuation ..............................................................................................................11
Power supply...........................................................................................................12
Final procedure .......................................................................................................13
SECTION I
IDENTIFICATION AND DESCRIPTION
b. Time and Technique. The time required for
1.
Test Instrument Identification.
This bulletin
this calibration is approximately 5 hours, using dc (direct
provides instructions for the calibration of Signal
current) and low frequency, and microwave techniques.
Generator, Polarad Model 1709. The manufacturer's
instruction manual was used as the prime data source in
2.
Calibration Data Card, (DA Form 2418). a C
compiling these instructions. The equipment being
calibrated will be referred to as the TI (test instrument)
Forms records, and reports required for calibration
throughout this bulletin.
personnel at all levels are prescribed by TM 38-750. DA
Form 2416 must be annotated in accordance with TM
a. Model Variations. None.
38-750 for each calibration performed.
1
