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Dc Offset with Ac
Figure 5. Power supply assembly A2 test instrument top view.

Calibration Procedure For Synthesizer/Function Generator Models 3325A And 3325B Page Navigation
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TB 9-6625-2049-24
(10) Press FUNCTION triangle key and enter 9.9 kHz using DATA keys.
(11) Multimeter will indicate between -4.44 and -4.56 V dc.
(12) Press FUNCTION positive ramp key. Multimeter will indicate between -4.38
and -4.62 V dc.
b. Adjustments. No adjustments can be made.
19. High Voltage Output Option 002 only
a. Performance Check
(1) Connect SIGNAL to multimeter INPUT HI and LO.
(2) Press keys and enter values using DATA keys as listed in (a) through (i) below:
FUNCTION sine wave.
(a)
ENTRY FREQ.
(b)
2 kHz.
(c)
SIGNAL on.
(d)
ENTRY DC OFFSET.
(e)
0 VOLT.
(f)
ENTRY AMPTD.
(g)
14.14 V RMS.
(h)
AMPTD CAL.
(i)
(3) Multimeter will indicate between 13.86 and 14.42 V ac.
(4) Press keys and enter values using DATA keys as listed in (a) through (e) below:
ENTRY FREQ.
(a)
100 kHz.
(b)
ENTRY AMPTD.
(c)
10 V RMS.
(d)
AMPTD CAL.
(e)
(5) Multimeter will indicate between 9 and 11 V ac.
(6) Press keys and enter values using DATA keys as listed in (a) through (f) below:
FUNCTION square wave.
(a)
ENTRY FREQ.
(b)
2 kHz.
(c)
ENTRY AMPTD.
(d)
20 V RMS.
(e)
AMPTD CAL.
(f)
(7) Multimeter will indicate between 19.6 and 20.4 V ac.
(8) Press FUNCTION triangle key and enter 11.5 V RMS using DATA keys.
(9) Press AMPTD CAL key. Multimeter will indicate between 11.27 and 11.73 V ac.
(10) Press FUNCTION positive ramp key and repeat (9) above.
b. Adjustments. No adjustments can be made.
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