This circuit was found in a General Electric documentation from 1965. The circuit is full wave for 600 W power with the indicated triac.
This circuit was found in a 90s Electronic Design. The circuit is for TTL technology and can...
The transistors used in this 1985 Radio Electronics circuit are for general use. The gain pot can...
The operational ones used in this circuit are not very common today, but the same circuit can be...