This 80's National Semiconductor circuit uses an era integrated circuit and symmetrical 5V power supply. Modern equivalent operational can be used.
In this application, from English documentation, we have the way to activate an AC load up to 10 W...
This circuit was found in a General Electric documentation from 1965. The purpose of this circuit is...
This 13.8 V transistorized power supply with a current capacity of 20 A has a protection system...