Found in American documentation this circuit uses transistors of the time. The circuit can be made with current components. It works as a trigger working with 600 ohm signals.
This circuit was found in the 1991 Electronics Experimenter's Handbook. It activates a relay when...
Found in a 1967 Delco documentation, this circuit can deliver power from 40 to 50 W at 8-ohm load....
This article is from an old publication by A. Fanzeres. With the advent of the Nuclear Era for...