This circuit is from a 1967 General Electric SCR manual. The capacitors are polyester and the inductor must have current according to the controlled load.
This circuit appeared in the June 1990 issue of Radio Electronics magazine. Integrated circuits must...
Lockout shooting, due to the incidence of light, can be achieved with the circuit in the figure. In...
This circuit can function either as a crystal or galena receiver with a pre-amplifier using a FET...