12th Class Physics Communication System / संचार तंत्र

  • question_answer 6)
    A modulation signal is a square wave as shown in figure. The carrier wave is given by (i) Sketch the amplitude modulated waveform. (ii) What is the modulation index ?  

    Answer:

    (i) Here  unit and  unit so i.e. 3 and 1 And      i.e. i.e.         v = 4 unit Accordingly, the amplitude modulated waveform is shown below : (ii) Modulation index,


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