This transmitter is basic but allows transmission of audio to an AM radio. It consists of an RF oscillator operating in the AM broadcast band, together with a modulator stage, which mixes the incoming ...

The chances are that many of you will have made an FM “bug” style transmitter, a simple one-transistor oscillator usually driven by a small electret microphone. It’s also relatively straightforward to ...

The basic functions of radio broadcasting can be divided into two areas: creation and distribution. The creation process covers the production and on-air elements up to the final audio output. The ...

AM radios are relatively simple devices, and building one is a good way to start exploring the world of radio communications. [GreatScott] does exactly this in the video after the break, building both ...

AM revitalization continues to move along, and thus 2018 will see many stations adding FM translators. Let’s review the latest FCC window, recent regulatory changes and some basic rules that remain ...