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In Phase Modulation the phase of carrier signal is varied.(a) True(b) FalseI got this question in examination.The above asked question is from Carrier Acquistion Techniques in DSB-SC topic in portion Double Sideband Suppressed Carrier Modulation of Analog Communications

Answer»

The correct option is (a) True

For explanation I would SAY: In phase modulation, the phase shift of carrier WAVE is varied with respect to the instantaneous amplitude of modulating signal. The general PM MODULATED expression is:

PM (t) = Ac sin (2πfct + βsin(2πfmt)), where SYMBOLS have their usual meaning.



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