TB 9-6625-2329-35
Table 18. Incidental PM
Measuring receiver
Test instrument
modulation
DATA and
ENTER/UNITS
indications
(MHz)
(<rad)
4
0.2
100
0.2
400
0.2
1000
0.2
(12) Press pushbuttons as listed in (a) through (c) below:
(a) PARAMETER-RF, enter DATA 100 numerical value, and press
ENTER/UNITS MHz key.
(b) PARAMETER-AM, enter DATA 80 numerical value, and press
ENTER/UNITS % key.
(c) PARAMETER-AM and press ON/OFF-EXT AC key.
(13) Set up measuring receiver to measure AM with all filters off.
(14) Press pushbuttons on audio analyzer as listed in (a) through (e) below:
(a)
Source FREQ - 30 Hz.
(b)
Source LEVEL - 1 V.
Source600Ω (SPCL 77).
(c)
(d)
Analyzer LEVELdB.
(e)
Analyzer RATIO.
(15) Set up audio analyzer source frequency for each row in table 19. Audio analyzer
will indicate within limits specified.
Audio analyzer
Audio analyzer
indications
source
(dB)
(Hz)
Min
Max
100
-0.4
+0.4
1000
-0.4
+0.4
2000
-0.4
+0.4
5000
-0.4
+0.4
10000
-0.4
+0.4
20000
-1
+1
50000
-1
+1
(16) Reduce output on audio analyzer.
b. Adjustments
(1) Remove TI top cover.
(2) Press pushbuttons as listed in (a) through (e) below:
(a) PARAMETER-RF, enter DATA 100 numerical value, and press
ENTER/UNITS MHz key.
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