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What is Double Sideband Large Carrier AM about?

Amplitude modulation is discussed where a separate carrier term is transmitted with a DSB-SC AM signal to facilitate simple demodulation in receivers. An envelope detector can then demodulate the AM signal if the carrier is much larger than the bandwidth of the message signal and the modulated signal is always positive. The output of the envelope detector has ripples which are smoothed by a low pass filter.

Author

Afzal

Language

EN