This optical tachometer with LASCR was found in a 1965 General Electric documentation. The diode at the input is an unusual type today.
This circuit was found in an American documentation from the 90's. The circuit is intended for...
This circuit can reduce the voltage of a source by providing regulated adjustable output. The...
Found in a 90s Popular Electronics, it serves both TTL and CMOS logic. The injector can provide 10...