Found in 90's Electronic Engineering this circuit can be used to measure phase angles between two signals from 0 to 180 degrees. The components used admit modern equivalents.
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...