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Communication Systems

Q1:

In phase modulation, the phase deviation is

A proportional to the amplitude of the signal and varies with frequency

B remains constant while amplitude and frequency of signal varies

C proportional to the amplitude of the signal and independent of the frequency

D none of the above

ANS:C - proportional to the amplitude of the signal and independent of the frequency

A is the correct answer.

Deviation proportional to amplitude and modulating frequency.



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