TB 9-6625-2323-35
(c) Mod Wave, press arrow key to highlight sine wave, press Select, and
Previous Menu.
(d) Edit Rate, 1, 0, kHz s Step, and Edit Rate.
(7) Set measuring receiver to measure phase modulation, with +PEAK detector.
(8) Verify that the measuring receiver indicates within Incd. PM @ 5 GHz limits
Measuring receiver indication
Test description
Min
Max
50% AM @ 5 GHz
45.0
55.0
Incd. PM @ 5 GHz
.001
.2
(9) Set measuring receiver to measure amplitude modulation, with +PEAK detector,
high pass filter to <20 Hz, and Lo pass filter to >20 kHz.
(10) Press TI keys as listed in (a) through (h) below.
(a)
Frequency Control,
F0,
Edit F0,
5, and
GHz Sec dBm.
(b)
Level Control, L1, Edit L1, -3, and MHz ms dB.
(c)
Modulation, AM, More, Int/Ext to select External AM Status.
(d)
Output On Off to on.
(e)
More, Log/Linear to display Sensitivity in dB, and Previous Menu.
(f)
Front/Rear to display Source Front.
(g)
(h)
Edit Sens, 6, MHz ms dB, and Edit Sens.
(11) Set audio analyzer controls as listed in (a) through (e) below.
SOURCE FREQ to 30 Hz.
(a)
(b)
SOURCE LEVEL to 1, V.
(c)
(d)
Analyzer to measure level in dB.
(e)
Audio analyzer should indicate approximately 0 db, set RATIO mode.
(12) Verify that the audio analyzer indicates within limits listed in table 13.
(13) Set the audio analyzer output frequency to the values listed in table 13 and
repeat (12) above.
Audio analyzer
indication
Audio analyzer
Min
Max
(Hz)
Test description
(dB)
(dB)
100
Hz
Response
100
-0.3
0.3
1
kHz
Response
1000
-0.3
0.3
2
kHz
Response
2000
-0.3
0.3
5
kHz
Response
5000
-0.3
0.3
10
kHz
Response
10000
-0.3
0.3
15