We obtained this circuit in a Maxim documentation from the 90s. The circuit is based on the MAX627. This circuit provides an output voltage of 12 V from an input of 4.5 to 12 V.
This power supply was found in the September 1989 issue of Radio Electronics magazine. The 2N3055...
This circuit is from a cookbook to timers. The circuit is triggered by an external signal and,...
This circuit is from a 1967 publication and applies to incandescent lamps up to 600 W. Triacs must be...