Found in the April 1995 issue of Electronics Now magazine, this circuit provides an output voltage that is three times the supply voltage. The current is very low.
This circuit causes an LED to flash if the monitored voltage exceeds the value set in the pot. The...
Found in an Electronics World of 1966 this circuit can be made with current power transistors. It causes...
Found in a 1970 documentation, this SCR bistable can be implemented with modern equivalent SCRs. Observe...