HP 3325A, 3325B manual Dc Offset with Ac Performance Check

TB 9-6625-2049-35

Table 5. Dc Offset - Continued

Test instrument		Multimeter indications
DC OFFSET			(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 50Ω 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 50Ω 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.

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