TB 9-6625-2271-40
(f) SPCL.
(g) 75 ENTER.
(6) Record the ac measurement standard indication as reference.
(7) Press TI SOURCE FREQ key and enter 20 Hz using DATA ENTRY keys. The
ac measurement standard indication will be within 0.5 percent of reference recorded in (6)
above.
(8) Repeat (7) above using TI SOURCE FREQ settings as listed in table 11.
Table 11. Output Flatness
Test instrument
SOURCE FREQ settings
(Hz)
40
80
160
320
640
1200
2000
4000
8000
16000
32000
50000
b. Adjustments
(1) Press keys and enter values using DATA ENTRY keys as listed in (a) through
(f) below:
SOURCE FREQ.
(a)
1 kHz.
(b)
SOURCE LEVEL.
(c)
3.000 V.
(d)
SPCL.
(e)
75 ENTER.
(f)
(2) Adjust A6R23 (fig. 6) for an ac measurement standard indication of 3.000 V.
(3) Enter 511 mV using DATA ENTRY keys and record ac measurement
standard indication.
(4) Enter 512 mV using DATA ENTRY keys and adjust A7R21 (fig. 6) for a ac
measurement standard indication of 1 mV greater than that recorded in (3) above (R).
(5) Enter 1.023 V using DATA ENTRY keys and record ac measurement
standard indication.
(6) Enter 1.024 V using DATA ENTRY keys and adjust A7R17 (fig. 6) for an ac
measurement standard indication of 1 mV greater than that recorded in (5) above (R).
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