This circuit was found in an old GE manual. It uses a thermocouple as a sensor. The SCR must be in accordance with the power of the controlled load.
The circuit shown in figure 8 is an application suggestion for ISL8107, a new integrated circuit from...
This blocking oscillator that appears elsewhere on this site from other sources, was found in a...
This is a diagram of a 1958 commercial receiver. The circuit was found in documentation at the...