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Question
In amplitude modulation, carrier wave frequencies are _______ than that compared to those in frequency modulation.
In amplitude modulation, carrier wave frequencies are _______ than that compared to those in frequency modulation.
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Solution
The correct option is A lower
In FM modulation, information (signal) is contained in the side bands, so that signals on the adjacent bands don't interfere, for that carrier waves of higher frequency are used as compared to AM modulation.In AM the carrier frequency range is 535−1605kHz,In FM the carrier frequency range is 88−108MHz.
In FM modulation, information (signal) is contained in the side bands, so that signals on the adjacent bands don't interfere, for that carrier waves of higher frequency are used as compared to AM modulation.
In AM the carrier frequency range is 535−1605kHz,
In FM the carrier frequency range is 88−108MHz.
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