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  • Question

  • Consider the amplitude modulated (AM) signal Ac cos ?ct + 2 cos ?mt cos ?ct For demodulating the signal using envelope detector, the minimum value of Ac should be


  • Options
  • A. 2
  • B. 1
  • C. 0.5
  • D. 0

  • Correct Answer
  • 2 

    Explanation
    AC cos ?ct + 2 cos ?mt cos ?ct

    AC cos?ctConsider the amplitude modulated (AM) signal Ac cos ?ct + 2 cos ?mt cos ?ct For demodulating the sig

    for envelope detection ? < 1 ? Consider the amplitude modulated (AM) signal Ac cos ?ct + 2 cos ?mt cos ?ct For demodulating the sig < 1 ? Ac should be at least-2.

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