This circuit only works with incandescent lamps and the frequency is adjusted in the pot, depending also on the capacitor. The triac must be equipped with a heat sink. The circuit is from an 80s manual.
This power supply provides a12 V stabilized output. The transistor must be provided with a good...
This circuit, which can be used as a shield, was found in American documentation from the 1970s....
Found in American documentation from the 90s, this circuit shows how to derive a signal in the...