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*TB 9-6625-2155-35
SUPERSEDED COPY DATED 1 MAY 1989
DEPARTMENT OF THE ARMY TECHNICAL BULLETIN
CALIBRATION PROCEDURE FOR
SIGNAL GENERATOR SG-1219/U
(HEWLETT-PACKARD, MODEL 8673M)
Headquarters, Department of the Army, Washington, DC
6 December 2000
Approved for public release; distribution is unlimited.
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, should be
mailed directly to Commander, U.S. Army Aviation and Missile Command,
ATTN: AMSAM-MMC-LS-LP, Redstone Arsenal, AL 35898-5230. A reply will be
furnished to you. You may also send in your comments electronically to our e-
mail address: [email protected] or by FAX (256) 842-6546/DSN 788-6546.
Paragraph Page
SECTION I. IDENTIFICATION AND DESCRIPTION
Test instrument identification ........................... 1 2
Forms, records, and reports ............................... 2 2
Calibration description ...................................... 3 2
II. EQUIPMENT REQUIREMENTS
Equipment required ........................................... 4 3
Accessories required .......................................... 5 3
III. CALIBRATION PROCESS
Preliminary instructions .................................... 6 4
Equipment Setup ............................................... 7 5
Display resolution and accuracy ......................... 8 6
Single sideband phase noise ............................... 9 9
Harmonics, subharmonics, multiples
and nonharmonic spurious signals ................ 10 10
RF output level ................................................... 11 12
Pulse modulation ................................................ 12 18
Amplitude modulation ........................................ 13 22
Frequency modulation ........................................ 14 26
Power supply....................................................... 15 30
Final procedure................................................... 16 32
__________
*This bulletin supersedes TB 9-6625-2155-35, dated 1 May 1989, including all changes.
TB 9-6625-2155-35
SECTION I
IDENTIFICATION AND DESCRIPTION
1. Test Instrument Identification. This bulletin provides instructions for the
calibration of Signal Generator, SG-1219/U (Hewlett-Packard, Model 8673M). The
manufacturer's manual and TM 9-6625-3143-40 were used as the prime data sources in
compiling these instructions. The equipment being calibrated will be referred to as the TI
(test instrument) throughout this bulletin.
a. Model Variations. None.
b. Time and Technique. The time required for this calibration is approximately 8
hours, using the dc and low frequency and microwave techniques.
2. Forms, Records, and Reports
a. Forms, records, and reports required for calibration personnel at all levels are
prescribed by TB 750-25.
b. Adjustments to be reported are designated (R) at the end of the sentence in which
they appear. When adjustments are in tables, the (R) follows the designated adjustment.
Report only those adjustments made and designated with (R).
3. Calibration Description. TI parameters and performance specifications which
pertain to this calibration are listed in table 1.
Table 1. Calibration Description
Test instrument parameters Performance specifications
Display accuracy and Display: