HP 3325A Calibration Manual page 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) Disconnect TI from multimeter.
(9) Connect TI SIGNAL to oscilloscope CH 1 using 50 feedthrough termination.
(10) Set oscilloscope controls to measure square wave amplitude. Record oscilloscope
indication.
(11) Press ENTRY FREQ key and enter 1 MHz using DATA keys.
(12) Set oscilloscope controls to measure square wave amplitude. Oscilloscope
indication will be within 10 percent of indication recorded in (10) above.
(13) Enter 3 MHz using DATA keys and repeat (12) above.
(14) Enter 5 MHz using DATA keys and repeat (12) above.
(15) Enter 10 MHz using DATA keys and repeat (12) above.
b. Adjustments. No adjustments can be made.
16. Triangle and Ramp Amplitude
a. Performance Check
(1) Connect TI SIGNAL to multimeter INPUT HI and LO using 50
termination.
(2) Press keys and enter values using DATA keys as listed in (a) through (i) below:
(a) SIGNAL off (option 002 not lit).
(b) ENTRY DC OFFSET.
(c) 0 VOLT.
(d) FUNCTION triangle.
(e) ENTRY AMPTD.
(f) 2.887 V RMS.
(g) ENTRY FREQ.
(h) 100 Hz.
(i) AMPTD CAL.
(3) Multimeter will indicate between 2.843 and 2.931 V ac.
(4) Enter 1.9 kHz using DATA keys. Multimeter will indicate between 2.843 and
2.931 V ac.
(5) Enter 2.1 kHz using DATA keys. Multimeter will indicate between 2.742 and
3.032 V ac.
TB 9-6625-2049-35
feedthrough
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