This circuit was obtained in old documentation, but it is valid for modern triacs that must be equipped with heat sink. The trigger element is an ordinary neon lamp.
The figure shows how to couple two TTL circuits using an optical coupler to obtain isolation. The...
We found this circuit in an English publication from 1963. The circuit uses germanium transistors of the...
This two-port configuration of the 4001 was found in the April 1988 issue of Radio Electronics magazine....