The selected circuit was found in GE's 1977 semiconductor manual. 3N84 is a controlled silicon switch and SCRs support equivalents. The transistor can be a BC558, depending on the supply voltage.
We find this circuit in an old American manual from the 80's. The circuit has a memory that keeps...
The circuit suggested by National Semiconductor in its 1994 Linear Applications Handbook,...
This simple circuit for switching RF signals was found in an RF Design from the 90s. The circuit...