Answers

2016-02-22T17:08:08+05:30
Side bands are produced during the process of modulation. During modulation, the audio frequency modulating signal wave is superimposed on a high frequency wave called carrier wave. Any form of modulation produces frequencies that are the sum and difference of the carrier and modulating frequencies. These frequencies are called as side bands. Lower side band frequency = fc - fm Upper side band frequency = fc + fm where fc→Carrier wave frequency fm→Modulating signal frequency
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