This circuit, very critical due to the frequency at which it operates, was found in an American documentation that uses a resonant cavity in a beer can. The transistor can be of any type for RF.
This circuit was found in a book on transistors from 1954. It works by the beat that is detected by...
This stage for general purpose transistors was taken from an old technical manual. The circuit can...
This circuit provides reverse power polarity protection using a power MOSFET and a diode. The...