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What is the frequency of audio modulation?(a) 10 Hz(b) 20 KHz(c) 30 KHz(d) 40 KHzThis 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

Answer»

Right answer is (b) 20 KHz

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



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