We found this circuit in a 1996 publication. Equivalent components can be tried, especially in the case of the photodiode. The circuit is powered by a 12 V source.
We found this circuit in an old English documentation. Transistors support modern equivalents. The circuit...
This circuit is from 1995 documentation. In the original, the source is symmetrical at 12 V, but...
This static switch circuit or solid-state contactor was found in a Motorola documentation from...