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Electronics Communication/Signal Processing/Signal Modulation & Demodulation

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Signal Modulation & Demodulation

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Signal modulation is the process of mixing signal wave of low frequency with a carrier wave of high frequency to produce a broadcast wave for transmission over a long distance from a transmitter to a receiver.

Signal Modulation

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Signal modulation takes place at the transmitter

  1. AM Modulation
  2. FM Modulation
  3. PM Modulation

Signal Demodulation

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Signal modulation takes place at the receiver. The process involves tuning, rectifying and converting the modulation wave into a signal wave

  1. AM Demodulation
  2. FM Demodulation
  3. PM Demodulation
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