Triac driver (CB22446E)

The presented circuit uses an optocoupler to trigger a triac. We found it in a Popular Electronics from 1992.

SCR Motor Control (CB19377E)
The diagram, obtained in an old European documentation, shows the ways to trigger and to shut down...
Three Phase AC Motor Control (CB12953E)
In the figure we have a three-phase AC motor control for voltages up to 600 V or 1200 V depending on...
Digitally Controlled Audio Switch (CB15550E)
This shield circuit can serve as a basis for a digital mixer or simply for a switch without noise...