This circuit is from a 1967 US publication. The configuration can serve as a basis for designs with modern components.
August 2017 - The new DPS1133 power switches from Diodes Incorporated for currents up to 3.3 A...
This circuit was found in a British documentation from 1969. It can be implemented with modern...
November 2016 - Texas Instruments' new TLV8802 nano-power operational amplifiers for wireless...