Found in a 1965’s General Electric documentation, this circuit can be designed with modern equivalent transistors depending on the current of the controlled motor.
This circuit from the 70s uses components from that time. The converter and SAR are components that...
This circuit is from a current regulator up to 1 A, ie a constant current source. The LM320...
Found in an old Popular Electronics this circuit can also be adapted to be used as a shield. In...