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 for ceramic cartridges was found in the March 1993 issue of Electronics Now magazine. Q1...
This circuit is an alternative to the previous circuit. We found it in the same article in the...
Found in a 1967 General Electric SCR manual, this circuit uses a neon lamp to produce opposing SCR...