This power supply was featured in the December 1973 issue of Radio Electronics magazine. This type of circuit was used at the time to power tube televisions.
This circuit allows 220 / 240V shavers to be used in the 110V network. The diodes can be general...
This circuit was obtained from the Audio Handbook of the National Semiconductor of 1977. We can...
This circuit is from Signetics' 80s documentation. The circuit generates 100 kHz signals according...