This circuit was found in a Mallory documentation from 1968. The integrated circuit is of the time, unusual in our day. Input sensitivity is 20 mV for 2 W output.
This circuit triggers a relay when it gets dark, thus enabling the lighting of fluorescent lamps, which...
This circuit was obtained from a Radio Electronics issue from January 1989. The indicator is a...
The previous circuit (CB5050E) triggers when the temperature exceeds the limit set on the...