TB 9-6625-2124-24
(18) Press CF and F keys. Enter data 0 MHz on keyboard and adjust A7R47
(fig. 3) for multimeter indication equal to value recorded in (17) above (R).
(19) Disconnect multimeter from TI.
(20) Press function keys and enter corresponding data on keyboard as listed in (a)
through (o) below:
INSTR PRESET key.
(a)
START key, 2.001 GHz.
(b)
STOP key, DATA ENTRY 8.4 GHz.
(c)
SWEEP TIME key, DATA ENTRY 10 ms.
(d)
M1 key, DATA ENTRY 2.30 GHz.
(e)
AMPTD MKR (sweep oscillator ON) key.
(f)
RF BLANK (ON).
(g)
SAVE key, DATA ENTRY 2.
(h)
SWEEP TIME key, DATA ENTRY 200 ms.
(i)
SAVE key, DATA ENTRY 1.
(j)
M2 key, DATA ENTRY 6.5 GHz.
(k)
SAVE key, DATA ENTRY 3.
(l)
SWEEP TIME key, DATA ENTRY 10 ms.
(m)
SAVE key, DATA ENTRY 4.
(n)
RECALL key, DATA ENTRY 1.
(o)
(21) Adjust oscilloscope controls as necessary to view TI M1 marker.
align the birdie on the leading edge of M1 marker as indicated on oscilloscope display.
(23) Press RECALL key and enter data 2 on keyboard. Adjust A7R65 (fig. 3) to align
leading edge of Ml marker with birdie on oscilloscope display (R).
(24) Press SWEEP TIME key and manually vary SWEEP TIME from 10 to 200 ms,
while readjusting A7R65 for minimum shift of M1 marker (typical shift should be within 5 MHz).
(25) Press RECALL key and enter data 3 on keyboard.
(26) Repeat technique of (21) and (22) above for M2 marker.
(27) Press RECALL key and enter data 4 on keyboard. Adjust A7R66 (fig. 3) to align
leading edge of M2 marker with birdie on oscilloscope display (R).
(28) Press SWEEP TIME key and manually vary SWEEP TIME from 10 to 200 ms,
while readjusting A7R66 for minimum shift of M2 marker (typical shift should be within 5 MHz).
16