The Triac trigger integrated circuit is not very common nowadays. The circuit was found in the Radio Electronics Experimenter magazine from 1989. The triac should be in accordance with the heater.
This circuit has a power stage with transistors that allows to obtain a current greater than that...
This circuit converts signals from the shortwave band to the 118 to 130 MHz VHF band used in...
We found this circuit in an old publication dealing with operational amplifiers. The circuit uses...