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Vestigial side band signals are detected by ________

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Vestigial side band signals are detected by ________

(a) PLL detector

(b) Ratio detector

(c) Square law demodulator

(d) Synchronous Detection

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Question is taken from Need of Transducers topic in section Receivers & Transducers of Analog Communications

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Correct answer is (d) Synchronous Detection

The best I can explain: Vestigial side band signals are detected by Synchronous detection or coherent detection technique. The distortion in a VSB signal may be reduced by reducing the modulation index and increasing the width of VSB.

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