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In a frequency modulated signal, the power _________ as the modulation index increases.

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In a frequency modulated signal, the power _________ as the modulation index increases.

(a) remains constant

(b) increase

(c) decrease

(d) becomes 0

The question was posed to me in a national level competition.

The doubt is from Superhetrodyne Receiver topic in division Receivers & Transducers of Analog Communications

1 Answer

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Best answer
Correct choice is (a) remains constant

Best explanation: In a frequency modulated system, if we increase the modulation index the power remains constant as the power depends only on the amplitude of the message signal.

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