This circuit is from an article in Radio Electronics magazine from October 1958. The circuit is for testing electrolytics that operate at high voltages depending on the source.
This is the traditional configuration of a window comparator using operational amplifiers such as the...
The circuit presented, from the Analog Devices linear integrated circuits manual, has compensation for...
This circuit with SCR was found in an old documentation. The SCR can be the TIC106, and the...