TB 9-6625-2340-24
Table 25. Average Noise Level
Test instrument
Center
Displayed amplitude
frequency
limit (dBm)
< 95
100 Hz
(10) Press TI keys as listed in (a) through (c) below:
CENTER FREQUENCY, 51, kHz.
(a)
FREQUENCY SPAN, 0, Hz.
(b)
SWEEP TIME, 20, mSEC.
(c)
(11) Wait until TI display VID AVG readout reaches 20.
(12) Read the amplitude indicated on TI display. Amplitude indicated will be within
limits specified in the first row of table 26.
(13) Repeat technique of (10) (a), (11) and (12) above for remaining CENTER
FREQUENCY settings in table 26. TI amplitude displayed will indicate within limits
specified in table 26.
Table 26. Average Noise Level
Test instrument
Center
Displayed amplitude
frequency
limit (dBm)
< 112
51
kHz
< 134
2.0
MHz
< 134
1.0
GHz
< 134
2.499
GHz
< 132
2.510
GHz
< 132
5.799
GHz
< 125
5.810
GHz
< 125
12.499
GHz
< 119
12.510
GHz
< 119
18
GHz
b. Adjustments. None.
21. Residual Response
a. Performance Check
(1) Press TI 2-22 GHz key.
(2) Connect TI CAL OUTPUT to TI RF INPUT.
(3) Press TI RECALL, and 8 keys.
(4) Adjust TI AMPTD CAL for a marker amplitude indication of 10.00 0.02 dB
on TI display.
(5) Disconnect TI CAL OUTPUT from TI RF INPUT.
, 20 W dummy load to TI RF INPUT.
(6) Connect 50
(7) Press TI keys as listed in (a) through (h) below:
(a) 0-2.5 GHz.