Suggested to power the previous circuit, this power supply was found in the December 1990 issue of Radio Electronics magazine. Integrated circuits must be equipped with heat sinks.
This circuit was obtained in a 1973s documentation. The transistors may be BC558 for the PNP and...
The sensors in this circuit that triggers when the temperature goes out of a certain range are...
Other operational amplifiers series, such as MC34072, MC34074, MC35071, MC35072, MC35074 d MC33071...