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  • Which among the following waveform represents pulse Amplitude modulated wave for the given sinusodial signal ?  <img alt="" src="https://cdn.entrance360.com/media/uploads/2018/06/28/

Which among the following waveform represents pulse Amplitude modulated wave for the given sinusodial signal ? 

Option: 1


Option: 2


Option: 3


Option: 4

none 


Answers (1)

best_answer

As we have learned

Pulse amplitude modulation (PAM) -

The amplitude of the pulse varies in accordance with the modulating signal.

 

 In pulse amplitude modulation signal is sampled at regular intervals and each sample is made proportional to the amplitude of the signal 

Only (1) shows the amplitude of pulse in  proportion to the value of analog signal at that instant Hence (1)

 

Posted by

himanshu.meshram

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