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Which modulation technique uses minimum bandwidth?

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Which modulation technique uses minimum bandwidth?

(a) DSB-SC

(b) SSB-SC

(c) FM

(d) VSB

I have been asked this question during an internship interview.

My question comes from Methods of Reducing Distortion topic in division Amplitude Modulation of Analog Communications

1 Answer

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Best answer
The correct answer is (b) SSB-SC

To explain I would say: SSB-SC modulation technique uses minimum bandwidth as it suppresses the carrier and transmits either of the two side-bands while DSB-SC suppresses the carrier and transmits both the side-bands.

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