Found in General Electric's 1969 documentation, this circuit uses two Foto Darlingtons to control the SCRs driving phases. SCRs can be equivalent current types.
This circuit works directly connected to the network and special care must be taken with its...
This simple circuit for switching RF signals was found in an RF Design from the 90s. The circuit...
This circuit produces a low frequency magnetic field used in old inductive remote controls with a...