We found this circuit in the March 1991 issue of Radio Electronics magazine. The integrated circuit and the power transistor must be equipped with heat sinks.
This circuit was found in a 1980s documentation. The low voltage circuit uses a PUT. Transistors can...
June 2017 - Mouser Electronics has a broad line of Cree products for use in horticulture, such as...
The TDA2040 is not a common IC these days, but if you find one you can build this high quality...