This circuit is from Delco Radio found in a 1968’s documentation. The transistors are of the time and are not given information about the driver transformer. Note the high supply voltage.
This circuit was found in old FET documentation, but it applies to any modern common JFET. The...
The different aspect of this source is the use of a 12 V lamp as a current regulator together with a...
This circuit makes simultaneous control of two up to 150 W incandescent lamps. The circuit is half wave...