#demodulator  rectifier that extracts modulation from a radio carrier wave
  supertype:  #rectifier  electrical device that transforms alternating into direct current
  part of:  #radio_receiver__radioreceiver__receiving_set__receivingset__radio_set__radioset__radio__tuner__wireless  an electronic receiver that detects and demodulates and amplifies transmitted signals
     part of:  #radio__wireless  a communication system based on broadcasting electromagnetic waves
     part of:  #radio-phonograph__radiophonograph__radio-gramophone__radiogramophone  electronic equipment consisting of a combination of a radio receiver and a record player
        part of:  #audio_system__audiosystem__sound_system__soundsystem  a system of electronic equipment for recording or reproducing sound

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