AM radios are ... commercial AM/FM receiver. The next attempt was with a XR2206 function generator kit, which worked quite well when combined with a simple microphone amplifier circuit.

AM radios are ... commercial AM/FM receiver. The next attempt was with a XR2206 function generator kit, which worked quite well when combined with a simple microphone amplifier circuit.

An audio amplifier and switching device for a stereo system. The receiver contains inputs for all the audio sources and outputs to one or more sets of speakers. It may also include an AM/FM tuner.