Found in a 90s Electronic Design, this circuit is used with a 9 V adapter for powering small circuits. The maximum current is given by the 250-mW regulator.
Found in a 90s Popular Electronics, this circuit allows Interfacing electronic applications with the...
September 2016 - can already be found at Mouser Electronics new integrated circuit from Texas...
Found in a 1968 Ferranti documentation, this circuit can be implemented with modern equivalent...