This photoelectric circuit was found in a 70’s Ferranti's documentation. The circuit uses an operational one from that time. Modern equivalent components can be used in a new project.
The high sensitivity of this type of SCR recommended in our assemblies allows it to be triggered by low...
Found in a 90s documentation, this circuit triggers the SCR when there is an overvoltage in order...
This circuit was found in a 1989 documentation and was intended to be part of a presence...