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.
In the figure we have the circuit of an amplifier for alternating signals with 10 times gain,...
In the figure we have a simple and efficient way to obtain rectangular signals from an astounding 555...
This circuit uses separate sources for the power supply and the operational stage. The output...