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 is from an English publication of 1982. The bipolar transistor can be a BC548 and the...
We found this circuit in an American publication from the 70s. The circuit has only the integrated...
This circuit is from Texas Instruments' own datasheet for this low voltage operational amplifier. The...