Aeroflex 2944B - Page 218

ACCEPTANCE TESTING
5-48
Results table 5-33 FM demodulation oscilloscope
Carrier
frequency
(MHz)
Deviation
(kHz)
Lower
limit (kHz)
Upper
limit (kHz)
Result
300 75 67.5 82.5
_______
Results table 5-34 FM demodulation output socket
Carrier
frequency
(MHz)
Deviation
(kHz)
Lower
limit
Upper
limit
Result
300 75 4.77 V 5.83 V
_______
Results table 5-35 FM demodulation distortion (1 kHz rate)
Carrier
frequency
(MHz)
Deviation
(kHz)
Upper
limit
Result
300 5 2%
_______
Results table 5-36 AM measurement versus carrier frequency (1 kHz rate)
Carrier
frequency (MHz)
Depth (%) Lower
limit (% †
Upper
limit (%) †
Result
0.5 70 65.5 74.5 _______
500 70 65.5 74.5 _______
1050 70 65.5 74.5 _______
Results table 5-37 AM measurement versus modulation rate
Modulation
rate
Depth (%) Lower
limit (%) †
Upper
limit (%) †
Result
50 Hz 70 63 77 _______
10 kHz 70 63 77 _______