The integrated circuit used is uncommon today. We found this configuration in Motorola's 1990 Linear Databook. The triac can be any of the TIC series.
This circuit is from a Radio Electronics magazine from May 1989. The source must be symmetrical, and other...
This circuit has a very fast switching action from an input signal. It can be applied to almost any...
This relay shield was found in the October 1993 Electronics Now magazine. The circuit is powered by...