Found in a 1965 General Electric circuit manual, this circuit uses SCRs from that time. Modern equivalents according to the power can be used.
This circuit was found in a 90s Electronics Now. The circuit can use a TIC106 for the SCR....
This circuit for a decorative robot was found in the April 1988 Radio Electronics magazine. The...
This circuit was found in a 1964 documentation. It shows how to achieve automatic gain control for...