HP 3325B User Manual

__________ *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 *TB 9-6625-2049-35 SUPERSEDED COPY DATED 15 JANUARY 1996 DEPARTMENT OF THE

TB 9-6625-2049-35 10 (a) SIGNAL off (option 002 not lit). (b) FUNCTION square wave. (c) ENTRY FREQ. (d) 1 MHz. (e) ENTRY AMPTD. (f) 1 V RMS. (2

TB 9-6625-2049-35 11 (4) Set oscilloscope controls to measure ramp retrace time from the 90 to 10 percent points. Ramp retrace time will be ≤3 µs.

TB 9-6625-2049-35 12 (15) Set frequency counter controls to measure frequency. If frequency counter does not indicate between 59.99970 and 60.00030

TB 9-6625-2049-35 13 (12) Adjust A9R7 Fine Adj. (fig. 3) and A9 Coarse Adj. (fig. 3) for a minimum indication on frequency difference meter. (13) Di

TB 9-6625-2049-35 14 (6) Adjust frequency counter sample rate control to HOLD and press RESET pushbutton. Record frequency counter indication. (7)

TB 9-6625-2049-35 15 Table 3. Amplitude Test instrument settings Multimeter indications ENTRY AMPTD ENTRY FREQ (V ac) 3.536 V RMS 1 kHz 3.495

TB 9-6625-2049-35 16 Table 4. Flatness Test instrument and measuring receiver settings (MHz) 1 2 4 6 8 10 12 14 16 18 20 b. Adjustments. No adjus

TB 9-6625-2049-35 17 (a) 1 kHz. (b) ENTRY AMPTD. (c) 1 V RMS. (d) AMPTD CAL. (7) Multimeter will indicate between 0.99 and 1.01 V ac. (8) Disco

TB 9-6625-2049-35 18 (6) Enter 10 kHz using DATA keys. Multimeter will indicate between 2.742 and 3.032 V ac. (7) Press keys and enter values using

TB 9-6625-2049-35 19 Table 5. Dc Offset - Continued Test instrument DC OFFSET Multimeter indications (V dc) settings Min Max 14.99 mV 0.01493 0

TB 9-6625-2049-35 2 Paragraph Page SECTION III. CALIBRATION PROCESS - Continued Triangle and ramp amplitude ...

TB 9-6625-2049-35 20 (4) Enter -4.5 VOLT using DATA keys. Multimeter will indicate between -4.35 and -4.65 V dc. (5) Press ENTRY FREQ key and enter

TB 9-6625-2049-35 21 (a) ENTRY FREQ. (b) 100 kHz. (c) ENTRY AMPTD. (d) 10 V RMS. (e) AMPTD CAL. (5) Multimeter will indicate between 9 and 11 V

TB 9-6625-2049-35 22 Figure 5. Power supply assembly A2 – test instrument top view. (5) Press presently active FUNCTION key to remove ac output and

TB 9-6625-2049-35 By Order of the Secretary of the Army: Official: ERIC K. SHINSEKI General, United States Army

TB 9-6625-2049-35 3 Table 1. Calibration Description Test instrument parameters Performance specifications Harmonic distortion1 (relative to fundam

TB 9-6625-2049-35 4 Table 1. Calibration Description - Continued Test instrument parameters Performance specifications Amplitude accuracy with dc of

TB 9-6625-2049-35 5 5. Accessories Required. The accessories required for this calibration are common usage accessories, issued as indicated in parag

TB 9-6625-2049-35 6 SECTION III CALIBRATION PROCESS 6. Preliminary Instructions a. The instructions outlined in paragraphs 6 and 7 are preparatory to

TB 9-6625-2049-35 7 8. Harmonic Distortion a. Performance Check (1) Connect TI EXT REF IN 1, 10 MHz to spectrum analyzer 10 MHz REF IN/OUT. (2) Con

TB 9-6625-2049-35 8 (a) 50 Hz. (b) ENTRY AMPTD. (c) 10 VOLT. (13) Set audio analyzer to measure distortion in dB. Audio analyzer indication will

TB 9-6625-2049-35 9 9. Amplitude Modulation Distortion a. Performance Check (1) Press keys and enter values using DATA keys as listed in (a) through