This circuit was found in a General Electric documentation from 1965. The circuit is full wave for 600 W power with the indicated triac.
We found this circuit in a 1967 RCA SCR manual. The circuit uses components from the era. The...
A simple bistable configuration can be obtained based on just one amplifier, as shown in the...
This series sensor circuit is from 1995 Popular Electronics. The circuit can use any SCR and the...