The regenerative radio is long-ago superseded in commercial receivers, but it remains a common project for electronics or radio enthusiasts seeking to make a simple receiver. It’s most often seen for ...

The circuit has been designed to function as amplifier-detector to produce high quality of audio output through the external earphone. The circuit has been designed to function as amplifier-detector ...

Designers often choose a super-regenerative receiver—despite its frequency instability and poor selectivity—for battery-powered, short-range, wireless applications in which power consumption is a ...

The rare 1923 National Browning Drake "Regenaformer" table top radio is rich in the history of the early art, a story of collaboration, litigation, competition and excitement. This particular radio is ...

Crystal radios used to be the “gateway drug” into hobby electronics. Trouble was, there’s only so much one can hope to accomplish with a wire-wrapped oatmeal carton, a safety-pin, and a razor blade.