This circuit is from an article that teaches how to assemble it in the magazine Electronics Now from July 1993. It uses a liquid crystal display module from the time with 3 and a half digits.
This transmitter for the 80-meter range of radio amateurs was found in a 1995 documentation. The...
This circuit was found in a General Electric manual from 1970. Its purpose is to provide a preheat...
This circuit keeps the neon lamp on for a moment when it receives a pulse. The turn on time...