The difference between phase and frequency modulation lies in

theory, but practically they are same

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poorer audio response of phase modulation

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poorer audio response of frequency modulation

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definitions of modulation and their modulation index

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Solution

The correct option is B theory, but practically they are same
Frequency modulation (FM) and Phase modulation(PM) have much in common and they are usually concluded as angle modulation, i.e., it is impossible to tell them apart without knowledge about the modulation function

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Similar questions

When both the amplitude and the frequency of a sinusoidal message signal are doubled, the modulation index will be doubled in 1. Amplitude modulation 2. Frequency modulation 3. Phase Modulation Select the correct answer using the codes given below:

λ / 4

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