This 10 A solid state relay was found in a 1980s documentation. It can work as a shield and implemented with modern equivalent transistors.
This circuit was found in the RCA Power Transistor manual from the 70's. The circuit uses power...
This circuit was found in a 1994 publication. It can receive signals from the 3 to 20 MHz band,...
This circuit was found in a European technical documentation from 1991. It is a circuit that must...