This circuit was obtained from an American documentation of 1967. The circuit provides a 30 mA output current for driving standard Nixie indicator tubes at the time.
Found in an American publication in 1967, this circuit makes use of an integrated circuit of the time,...
This circuit is from a Radio Electronics from September 1969. The integrated circuit used is one...
This 5 V regulator has a low voltage drop and can supply currents up to 5 A. The circuit is from...