Indicated on an 80's Radio Electronics, this circuit provides at its output a voltage that is the peak value of the input voltage. The supply voltage must be higher than the expected peak.
This PWM control circuit was found in an old documentation, but appears elsewhere on this site...
a We find this circuit which has a traditional configuration in a 1988 publication. The circuit is...
Indicated for applications with a PC, this circuit was obtained in an English publication in 1992....