This circuit was found in an Electronics Now from the 90's. The integrated regulator circuit and the power transistor must be equipped with heat radiators.
July 2017 - Mouser Electronics already has Ricoh's new RP118x ultra-low current regulators in...
Originally this circuit was designed to operate with microcomputers from 1988, but it can be...
This non-E or NAND port can be easily implemented using an operational amplifier. Equivalent...