Amplitude Modulation (AM) modulates a signal by varying the amplitude of the carrier. The ease with which it can be demodulated made AM radio broadcasting popular before FM demodulation was cost effective.
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long wave radio receiver circuit
I wish to build a radio which can receive on 60khz am. What is the simplest circuit that will achieve this. Assuming a ferrite rod in a inductor/capacitor configuration, how would I tune this setup?
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RC AM senders/recievers: Changing the crystals, and using Servo PPM as a 1/0 switch
I am trying to use a 27mhz RC car controller to send to an RC Car AM reciever and use that output (short 1-1.5ms pulse of a few mA) to trigger a 5V relay, with the signal stabilised via a ...
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Building radios using RLC Meter
I'm interested in building AM and FM radios from discrete components. Has anyone ever used an RLC meter to precisely create the inductors and other elements used in these radios? I know cheaper RLC ...
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Making a suitable antenna for a crystal radio
I'm trying to build a simple AM crystal radio, however, I'm not getting any voltage registered when using it. This is the kind that's only powered by the radio waves. The site I was using to design it ...