HP 3325A - Manual (Page 16)

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 adjustments can be made.
15. Square Wave Amplitude and Flatness
a. Performance Check
(1) Connect TI 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) ENTRY DC OFFSET.
(c) 0 VOLT.
(d) FUNCTION square wave.
(e) ENTRY AMPTD.
(f) 5 V RMS.
(g) ENTRY FREQ.
(h) 100 Hz.
(i) AMPTD CAL.
(3) Multimeter will indicate between 4.95 and 5.05 V ac.
(4) Enter 1 kHz using DATA keys. Multimeter will indicate between 4.95 and 5.05
V ac.
(5) Enter 100 kHz using DATA keys. Multimeter will indicate between 4.95 and
5.05 V ac.
(6) Press keys and enter values using DATA keys as listed in (a) through (d) below: