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Tuesday, 12 November 2013


The function of AM detector circuit is

CaptureA) To rectify the input signal

B) To discard the Carrier

C) To provide the audio signal

D) All the above

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  1. option d....for example: envelope detector....it first extracts the envelope of the received signal(equivalent to rectification and discarding carrier)....after the envelope is extracted,it is passed through a low pass filter to remove dc component and to smooth the signal(equivalent to providing audio signal)...

  2. B
    you can see the circuit of AM envelope detector