TB 9-6625-2340-24
(26) Multimeter should indicate 1.000 0.020 V dc. If multimeter indication is out of
tolerance then TI must be repaired.
(27) Press TI REFERENCE LEVEL, 0, and dBm keys.
(28) Adjust synthesizer/level generator output level for a multimeter indication of
1.000 0.001 V dc.
(29) Press TI keys as listed in (a) through (c) below:
SHIFT.
(a)
SCALE LOG.
(b)
REFERENCE LEVEL, 60, dBm.
(c)
(30) Decrease synthesizer/level generator output level by 10 dBm.
(31) Adjust A4A3R83 (fig. 25) for a multimeter indication of 1.000 0.010 V dc. If
multimeter indication is out of tolerance then TI must be repaired.
(32) Press TI REFERENCE LEVEL, 70, and dBm keys.
(33) Decrease synthesizer/level generator output level by 10 dBm.
(34) Adjust A4A2R14 (fig. 24) for a multimeter indication of 1.000 0.010 V dc. If
multimeter indication is out of tolerance then TI must be repaired.
(35) Press TI 2-22 GHz key.
17. Frequency Response
a. Performance Check
(1) Connect TI CAL OUTPUT to TI RF INPUT.
(2) Press TI keys as listed in (a) through (c) below:
2-22 GHz.
(a)
RECALL, 8.
(b)
MARKER PEAK SEARCH.
(c)
(3) Adjust TI AMPTD CAL for a marker amplitude indication of 10.00 0.02 dBm
on TI display.
(4) Disconnect TI CAL OUTPUT from TI RF INPUT.
(5) Connect TI RF INPUT to function/arbitrary generator SIGNAL OUTPUT.
(6) Press TI keys as listed in (a) through (c) below:
(a) 2-22 GHz.
(b) START FREQ, 20, kHz.
(c) STOP FREQ, 1, MHz.
(7) Set function/arbitrary generator for a sine wave output of 510.0 kHz at an
amplitude of 0 dBm.
(8) Adjust function/arbitrary generator output amplitude to place the signal peak on
the top graticule line of the TI display.
(9) Press TI LOG ENTER dB/DIV, 1, and dB keys.