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Super heterodyne receivers needs an extra circuitry for frequency conversion.

(a) True

(b) False

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The question is from Pre Emphasis and De Emphasis topic in section Receivers & Transducers of Analog Communications

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Best answer
The correct answer is (a) True

Best explanation: Super heterodyne receiver mixes the incoming signal frequency with the locally generated signal frequency, using a mixer, in order to convert the incoming RF signal to a low frequency signal which can be processed easily. It has better sensitivity and selectivity but it needs an extra circuitry for frequency conversion.

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