This is the circuit of an automotive voltage regulator from the 1970s. The circuit is entirely electromechanical based on the closing of a relay contacts according to the voltage.
We found this circuit in a Japanese publication from the 60s. The transistors are made of...
Launched in 2017 the Microchip CL88020 is an LED driver optimized for 120 VAC input applications with an...
This circuit is from old documentation, using a component that cannot be found easily today. The...