TB 9-6625-2340-24
Table 52. Gain Compression ( 5 to 15 dBm)
Calculated gain compression (dBm)
Min
Max
1
1
(59) Disconnect power splitter from TI RF INPUT.
(60) Connect TI RF INPUT to TI CAL OUTPUT.
(61) Press TI keys as listed in (a) and (b) below:
RECALL, 8.
(a)
MARKER PEAK SEARCH.
(b)
10.00 0.02 dBm as
(62) Adjust TI AMPTD CAL for a marker amplitude of
indicated on the TI display.
b. Adjustments. None.
25. First LO Output Amplitude Accuracy
a. Performance Check
(1) Connect measuring receiver sensor module to measuring receiver power
reference output.
(2)
Zero and calibrate the sensor module.
(3) Disconnect measuring receiver sensor module from measuring receiver power
reference output.
(4)
Press TI keys as listed in (a) through (d) below:
2-22 GHz.
(a)
START FREQ, 2.3, GHz.
(b)
STOP FREQ, 6.0, GHz.
(c)
SWEEP SINGLE.
(d)
(5) Remove termination from TI 1st LO OUTPUT.
(6) Connect measuring receiver sensor module to TI 1st LO OUTPUT.
(7) Set up measuring receiver to measure RF power.
(8) Press TI SWEEP TIME, 100, and SEC keys.
(9) Press TI SWEEP SINGLE key and observe measuring receiver indications as
TI sweeps from 2.3 to 6.0 GHz. The measuring receiver indication should be +5 dBm
across the full sweep.
(10) Disconnect measuring receiver sensor module from TI 1st LO OUTPUT.
(11) Reinstall termination to TI 1st LO OUTPUT.
b. Adjustments. None.
26. Sweep and Tune Out Accuracy
a. Performance Check
(1) Connect TI SWEEP + TUNE OUT (rear panel) to multimeter INPUT.
