This battery-powered micropower supply was shown in Radio Electronics magazine in 1991. The maximum current is 170 mA. and the integrated circuit is the MAX655 from Maxim.
Found in documentation from the 70s, this circuit uses an operational one from that time. It goes for...
Suggested by General Electric in a 1970 documentation, this circuit makes use of some components of...
This simple circuit was found in an old documentation. The transistor can be changed according to the...