Found in an old English publication this circuit uses a dual gate MOSFET. Coils not specified.
This circuit was found in 1966 General Electric documentation. The circuit uses components from the era...
This windshield wiper interval was found in an old documentation. The SCR can be the C106 and the...
This circuit is from 2002 documentation, requiring a symmetrical source of 6 to 12 V. The signal...