Physics, asked by anant6837, 11 months ago

Define phase modulation and explain working principle of transistor direct modulator

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Answered by subho5543
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It encodes a message signal as variations in the instantaneousphase of a carrier wave. Phase modulation is one of the two principal forms of anglemodulation, together with frequency modulation. The phaseof a carrier signal is modulated to follow the changing signal level (amplitude) of the message signal.

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