We found this circuit in a 1965 General Electric manual. The controlled load depends on the Triac and the 100 uF capacitor delay time.
This circuit can be used as a polarity indicator shield the direction of current circulation for...
We found this circuit in a 2002 documentation. The circuit is an emergency lighting system with an...
This circuit was found in Radio Electronics from the 90s. It converts capacitance into frequency...