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What is the frequency of audio modulation?

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in Analog Communications by (122k points)
What is the frequency of audio modulation?

(a) 10 Hz

(b) 20 KHz

(c) 30 KHz

(d) 40 KHz

This question was addressed to me in exam.

Origin of the question is Representation of SSB-SC in Time & Frequency Domain topic in division SSB Modulation of Analog Communications

1 Answer

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Best answer
Right answer is (b) 20 KHz

Explanation: Audio spectrum ranges from 20Hz to 20KHz and the frequency band for audio modulation ranges from 88MHz  to 108 MHZ.

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