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Radio receiver

Ciro Santilli (@cirosantilli, 37) ... Information technology Telecommunication Telecommunication system Wireless Radio Radio transmitter and receiver
Updated 2025-07-16  0 By others on same topic  0 Discussions Create my own version
As well put by Wikipedia, a radio receiver has to perform three functions on the signal from the antenna:
  • filtering, so you can tune the station you care about. This filters based on the frequency of the carrier wave you want. I.e. you use a bandpass filter.
  • amplification: otherwise you won't be able to hear anything if the emitter is too far away
  • demodulation: this means decoding the signal based on whatever way it was encoded, notably e.g. AM/FM

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  • Crystal radio

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