HP 3325A - Manual (Page 19)

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 0.01505
-14.99 mV -0.01505 -0.01493
4.999 mV 0.004979 0.005019
-4.999 mV -0.005019 -0.004979
1.499 mV 0.001479 0.001519
-1.499 mV -0.001519 -0.001479
NOTE
Perform (8) through (11) below for option 002 only.
(8) Remove 50 Ω feedthrough termination from equipment setup.
(9) Press SIGNAL key on.
(10) Enter 20 VOLT using DATA keys. Multimeter will indicate between 19.775
and 20.225 V dc.
(11) Enter -20 VOLT using DATA keys. Multimeter will indicate between -19.775
and -20.225 V dc.
b. Adjustments. No adjustments can be made.
18. Dc Offset with Ac
a. Performance Check
(1) Connect SIGNAL to multimeter INPUT HI and LO using 50 Ω feedthrough
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) FUNCTION sine wave.
(c) ENTRY FREQ.
(d) 20.999 999 999 MHz.
(e) ENTRY AMPTD.
(f) 1 VOLT.
(g) ENTRY DC OFFSET.
(h) 4.5 VOLT.
(i) AMPTD CAL.
(3) Multimeter will indicate between 4.35 and 4.65 V dc.