This analog meter circuit was found in the September 1989 issue of Radio Electronics magazine. The source must be dual, and the table gives the resistors for the various scales.
This circuit is connected to the inputs X and Y of an oscilloscope to display the characteristic curve of a...
This well-designed phase shift oscillator configuration was found in ancient European...
This zero-crossing circuit was found in the 1989 Radio Electronics Experimenter. The Triac must be...