TB 9-6625-2329-35
Measuring receiver
modulation indications
Test instrument
(rad)
DATA and
DATA and
Min
Max
ENTER/UNITS
ENTER/UNITS
(MHz)
(rad)
46
5
4.65
5.35
46
2.5
2.275
2.725
93.5
10
9.4
10.6
93.5
5
4.65
5.35
187.5
20
18.9
21.1
187.5
10
9.4
10.6
375
40
37.9
42.1
375
20
18.9
21.1
750
80
75.9
84.1
750
40
37.9
42.1
(9) Press PARAMETER-ΦM pushbutton and press ON/OFFOFF key.
(10) Adjust controls as listed in (a) through (c) below for each row in table 22 below:
(a) Press TI PARAMETER-RF pushbutton, enter DATA numerical value, and
press ENTER/UNITS MHz key.
(b) Press TI PARAMETER-ΦM pushbutton, enter DATA numerical value,
and press ENTER/UNIT rad key.
(c) Using audio analyzer and distortion measurement techniques, distortion
will be between specified limits.
Test instrument
Audio analyzer
distortion
DATA and
DATA and
indications
ENTER/UNITS
ENTER/UNITS
(<% )
(MHz)
(rad)
15
10
0.5
46
2.5
0.5
93.5
5
0.5
187.5
10
0.5
375
20
0.5
750
40
0.5
(11) Press pushbuttons as listed in (a) through (e) below:
(a) PARAMETER-LEVEL and press ON/OFFOFF key.
(b) PARAMETER-ΦM and press ON/OFFOFF key.
(c) PARAMETER-RF, enter DATA 100 numerical value, and press
ENTER/UNITS MHz key.
(d) PARAMETER-ΦM, enter DATA 10 numerical value, and press
ENTER/UNIT rad key.
(e) ON/OFF-EXT AC key.
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