Found in an Electronic Design from the 90's, this circuit supplies voltages according to the indicated component values. The integrated circuit is from the time.
This project, found in a 1981 documentation, consists of an interesting adaptation of the test...
August 2016 - It can be obtained from Mouser Electronics the power factor controller NCP1602 from...
We found this circuit in the November 1992 Radio Electronics magazine. It works with both...