This switched power supply was found in a 70s documentation. The basic components are from that time. The circuit operates at 200 kHz and has a ripple below 200 mV.
This circuit was found in the February 1990 issue of Radio Electronics magazine. The circuit uses...
In the figure we have a practical circuit for a 50 kHz bandwidth amplifier using a photo diode as...
This buffered version of the previous circuit appeared in an article in the September 1989 Radio...