We found this circuit in an old General Electric documentation. In fact, PUTs are not common components today. The circuit is valid as a reference.
This circuit for the 3.5 MHz band (80 meters) was found in an old radio amateur documentation. The circuit...
June 2017 - New high power TVS for high-power retention applications with bi-directional features...
This circuit uses a phototransistor as sensor. The changes in the resistance of the transistor,...