TB 9-6625-2323-24
(d) Frequency Control, F0, Edit F0, 5, and GHz Sec dBm.
(e) Output On Off to on.
(f) Modulation, FM, More, FM Modes, Locked, Previous Menu, Previous Menu.
(g) Edit Dev., 2, 4, 0, kHz s Step, Edit Dev.
(h) Mod. Wave, arrow key to ~, Select, Previous Menu.
(i) Edit Rate, 1, 0, 0, kHz s Step, Edit Rate.
On/Off to on.
(j)
(4) Verify that the measuring receiver indication is within 240 kHz FM locked
limits listed in table 14.
(5) Set audio analyzer controls as listed in (a) through (d) below.
PRGM 99 ENTER RCL.
(a)
600 : output.
(b)
SOURCE FREQ to 25 kHz.
(c)
SOURCE LEVEL to 1, V.
(d)
(6) Press TI keys as listed in (a) through (f) below.
(a) On/Off to off.
(b) More, Int/Ext to Ext.
(c) Front/Rear to front.
(d) 600 :/50 : to display Impedance 600 :.
(e) Edit Sens, 1, 0, 0, kHz s Step.
(f) On/Off to on.
(7) Set the measuring receiver to FM Ratio mode.
(8) Set the audio analyzer to remaining frequencies listed in table 14, and verify
that the measuring receiver indicates within limits listed in table 14.
Table 14. FM Deviation Locked and Response
Audio analyzer
Measuring receiver indication
Test description
output frequency
(Hz)
Min
Max
240 kHz FM Locked
228.00 kHz
252.00 kHz
25 kHz Reference
25000
----
----
3 kHz Response
3000
-1 dB
1 dB
10 kHz Response
10000
-1 dB
1 dB
20 kHz Response
20000
-1 dB
1 dB
30 kHz Response
30000
-1 dB
1 dB
40 kHz Response
40000
-1 dB
1 dB
50 kHz Response
50000
-1 dB
1 dB
(9) Press TI keys as listed in (a) through (h) below.
(a) On/Off to off.
(b) More, Int/Ext to Int.
(c) Front/Rear to front.
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