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Signal to noise ratio of a frequency modulated system is better than amplitude modulated system.

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Signal to noise ratio of a frequency modulated system is better than amplitude modulated system.

(a) True

(b) False

I had been asked this question during an online exam.

The query is from Switching Circuit topic in division Side Band Techniques of Analog Communications

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Right answer is (a) True

The best explanation: Signal to noise ratio is the ratio of signal power to the noise power. It is often described in decibels. Signal to noise ratio is the ratio of signal power to the noise power. It is the measure of signal present with respect to the surrounding noise. It is directly proportional to the modulation index and thus it increases with modulation index. It is better for frequency modulated systems.

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