Found in a 90s 73 magazine, this circuit provides an output of 1.5 A with 24 V from a 12 V source. The integrated circuit of the time must be equipped with a heat sink.
Published in Popular Electronics with the curious name of Obnoxious Noisemaker, this 1968 circuit...
We found this circuit in the July 1992 issue of Radio Electronics magazine. An optical system...
This circuit was found in an English magazine from 1978, but it is still current, just change the...