This circuit was found in a 1967 General Electric manual. It is intended for the control of high voltage Nixie pipes used at the time. SCRs may be equivalent.
This circuit, which appears from other sources in this section, allows you to control a load...
This circuit is suggested by National Semiconductor and has an excellent gain, for a photodiode as a...
This simple expandable circuit was obtained from a Popular Electronics from the 80's. The supply...