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 triac control shield uses an opto-diac to control a triac. The circuit is optimized for the...
This 2005 circuit was found in an English publication and can be implemented with virtually any...
We found this circuit in December 1986, Radio Electronics magazine. It uses 3 inverters and has...