Found in a 90s Elektor, this mixer makes use of integrated circuits of the time. The supply must be symmetrical at 15 V.
This small experimental transmitter can send its signals to distances up to 100 meters. L is...
This high voltage circuit was found in a 2005 Linear Technology application manual. The circuit...
This circuit was found in a 1980s documentation. Similar configurations appear in the section, but from...