This 8-bit converter was found in an American 1980s documentation. Motorola components are uncommon today. The circuit serves as a reference.
This circuit converts signals from the longwave band of 350 kHz to 500 kHz to 4.35 to 5MHz. The...
This circuit allows you to read temperatures with a common digital voltmeter. We found it in the...
This simple circuit for an audio link uses a lamp, which has a very poor frequency response, but...