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Draw a block diagram of a detector for AM signal and show, using

necessary processes and the waveforms, how the original message 

signal is detected from the input AM wave.                             (3 marks)

Explanation:

    AM input wave              Rectified wave              output (without RF component) (1 mark)

[Note: Award these 3 marks irrespective of the way the student 

attempts the questions.]                                                                              (1+1 marks)

 

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