Question
In phase modulation, frequency deviation is-
The correct answer is
Directly proportional to the amplitude of the modulating signal
It is directly proportional to the amplitude of the modulating signal A_m. Directly proportional to the amplitude of the modulating signal This is correct. The formula \Delta f_{max} = k_p A_m f_m shows that the frequency deviation is directly proportional to the amplitude of the modulating signal A_m, assuming k_p and f_m are constant.
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Important Questions from Phase Modulation
Which of the following phase modulation applications is INCORRECT?
If the modulating signal is a constant DC voltage, the output of a Phase Modulator will be:
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