![background image](http://html.mh-extra.com/html/hp/3325a/3325a_calibration-manual_166038001.webp)
__________
*This bulletin supersedes TB 9-6625-2049-35, 15 January 1996.
*TB 9-6625-2049-35
SUPERSEDED COPY DATED 15 JANUARY 1996
DEPARTMENT OF THE ARMY TECHNICAL BULLETIN
CALIBRATION PROCEDURE FOR
SYNTHESIZER/FUNCTION GENERATOR
HEWLETT-PACKARD
MODELS 3325A( ) AND 3325B( )
Headquarters, Department of the Army, Washington, DC
2 January 2001
Approved for public release; distribution is unlimited
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
4
Accessories required ...........................................
5
5
III
CALIBRATION PROCESS
Preliminary instructions.....................................
6
6
Equipment setup.................................................
7
6
Harmonic distortion............................................
8
7
Amplitude modulation distortion........................
9
9
Square wave characteristics ...............................
10
9
Ramp retrace.......................................................
11
10
Frequency accuracy ............................................
12
11
Phase increment .................................................
13
13
Sine wave amplitude and flatness ......................
14
14
Square wave amplitude and flatness..................
15
16
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-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:
or by FAX (256)
842-6546/DSN 788-6546