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The term heterodyning refers to

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The term heterodyning refers to

(a) Frequency conversion

(b) Frequency mixing

(c) Frequency conversion & mixing

(d) None of the mentioned

The question was posed to me by my school principal while I was bunking the class.

Question is taken from Signals and Noises topic in division Baseband Demodulation and Detection of Digital Communications

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Correct answer is (c) Frequency conversion & mixing

Explanation: The method heterodyning means frequency conversion and mixing and this results in a spectral shift.

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