TB 9-6625-2343-50
(18) Press TI ZERO key.
(19) Wait for TI to zero.
(20) Press TI keys as listed in (a) and (b) below:
(a) DATA 10.4.
(b) DATA SPCL.
(21) Set range calibrator to calibrate.
(22) Press TI keys as listed in (a) through (e) below:
(a)
CALIBRATION CALIBRATE.
(b)
BLUE.
(c)
CALIBRATION CALIBRATE.
(d)
DATA 10.4.
(e)
DATA SPCL.
(23) Adjust A53R13 RMG 4 (fig. 18) for a TI indication of 10.00 mW.
(24) Press TI keys as listed in (a) and (b) below:
(a) DATA 10.5.
(b) DATA SPCL.
(25) Set range calibrator to 100 mW range.
(26) Adjust A53R16 RNG 5 (fig. 18) for a TI indication of 100.0 mW.
(27) Press TI keys as listed in (a) and (b) below:
(a) BLUE.
(b) INSTR PRESET.
(28) Reduce all outputs to minimum and disconnect equipment setup, reinstall A53
board and repeat performance check.
15. SWR Test
a. Performance Check
(1) Connect signal generator No. 1 RF OUTPUT to SWR bridge RF INPUT
through a 6 dB fixed attenuator.
(2) Connect SWR bridge REFLECTED RF OUTPUT to spectrum analyzer INPUT
50 Ω.
(3) Press TI RF POWER key.
(4) Set the spectrum analyzer for a start frequency of 3 MHz, stop frequency of 1 GHz
and video bandwidth of 30 kHz.
(6) Set spectrum analyzer for peak search.
(7) Set spectrum analyzer reference level to marker reference value.
(8) Set spectrum analyzer for peak search.
(9) Activate spectrum analyzer delta marker.
