We found this circuit in an EDN from the 90s. The circuit is a voltage quadruplicator using operating equipment of the time. The output current is low.
We found this circuit in an Electronics Now magazine from June 1995. The transformer has a primary...
Found in a 90s Popular Electronics, this circuit keeps an LED on when a phone is in use. Can be...
This circuit was found in a 1968s American. Transistors are of general purpose and the input is a...