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A phase modulated signal can be obtained from frequency modulator by passing the modulating signal through a
  • a)
    Differentiator
  • b)
    Integrator
  • c)
    High pass filter
  • d)
    None of these
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
A phase modulated signal can be obtained from frequency modulator by p...
The output of FM modulator is of form

After passing the modulating signal through the differentiator we give  as the input to the frequency modulator, i.e.

The expression of the output signal will be:

The differentiation of the integral will simply give the original signal.
We get a phase modulated signal which is of the form:
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Community Answer
A phase modulated signal can be obtained from frequency modulator by p...
The output of FM modulator is of form

After passing the modulating signal through the differentiator we give  as the input to the frequency modulator, i.e.

The expression of the output signal will be:

The differentiation of the integral will simply give the original signal.
We get a phase modulated signal which is of the form:
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A phase modulated signal can be obtained from frequency modulator by passing the modulating signal through aa)Differentiatorb)Integratorc)High pass filterd)None of theseCorrect answer is option 'A'. Can you explain this answer?
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