This circuit is from a 1965 Motorola manual. It can be implemented with a common 2N2646 and a 106 Series SCR without problems. The pulse transformer has a 1: 1 turn ratio.
Other series amplifiers such as the MC3301, MC3401 and LM2900 can be used on this circuit. We...
This isolated non-synchronized triac and optocoupler circuit was found in the August 1992 issue of...
Found in documentation from the 1980s, this circuit can be used with other operational ones. The...