This circuit uses a contactor having been found in a 1987 publication. More modern equivalent devices may be used. The circuit has neon indicator lamps.
The duration of the output pulse in this circuit depends on C. This capacitor can have values in...
This circuit, found in a 1979 documentation, consists of a small inverter that applies a voltage to...
This circuit was developed to test suspect 4001 and 4011 integrated circuits. The circuit is from...