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This bulletin supersedes TB 9-6625-1996-35, dated 13 November 1985.
*TB 9-6625-1996-35
DEPARTMENT OF THE ARMY TECHNICAL BULLETIN
CALIBRATION PROCEDURE FOR
FREQUENCY COUNTER
HEWLETT-PACKARD
MODELS 5345A, 5345A/E28 AND 5345AOPT12
Headquarters, Department of the Army, Washington, DC
25 June 2001
Approved for public release; distribution is unlimited
REPORTING OF ERRORS AND RECOMMENDED IMPROVEMENTS
You can help improve this publication. If you find any mistakes or if you know of a
way to improve the procedure, please let us know. Mail your letter or DA Form 2028
to: Commander, U. S. Army Aviation and Missile Command, ATTN: AMSAM-MMC-
MA-NP, 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:
2028@redstone.army.mil or FAX 256-842-6546/DSN 788-6546.
SECTION I. IDENTIFICATION AND DESCRIPTION Paragraph Page
Test instrument identification............................ 1 2
Forms, records, and reports............................... 2 2
Calibration description....................................... 3 2
II. EQUIPMENT IDENTIFICATION
Equipment required........................................... 4 3
Accessories required.......................................... 5 3
III. CALIBRATION PROCESS
Preliminary instructions.................................... 6 4
Equipment setup................................................ 7 4
Time base stability............................................. 8 5
Sensitivity.......................................................... 9 6
A12 Interface I/O................................................ 10 8
Power supply ..................................................... 11 9
Final procedure.................................................. 12 12