We found this multiple thermostat circuit in July 1980 Radio Electronics magazine. It uses opto-triacs for power control and operates on a 117 VAC mains.
This circuit was obtained in a 1986 documentation consisting of an active frequency divider for...
The circuit shown is from the Motorola Linear Databook of 1990. It is based on the Motorola T...
This 1 kHz oscillator was found in the February 1970 issue of Radio Electronics magazine. It uses...