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electronics and communication engineering communication systems
1. An angle modulated signal is given by s(t) = cos 2p (2 x 106t + 30 sin 150t + 40 cos 150t). The maximum frequency and phase deviations of s(t) are
(A): 10.5 kHz, 100p rad
(B): 10.5 kHz, 140p rad
(C): 6 kHz and 80p rad
(D): 7.5 kHz, 100p rad
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By: guest on 01 Jun 2017 11.49 pm
s(t) = cos 2p (2 x 10+16t + 30 sin 150t + 40 cos 150t) Phase deviation = 100 p Frequency deviation = 7.5 kHz.
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