This converter was found in the June 1991 issue of Radio Electronics magazine. The circuit uses common circuits at the time and its operating range can be changed.
This General Electric circuit triggers on after 60 seconds. The circuit is from 1967 but can be...
This circuit uses a GE optical coupler. Equivalents can be tried. The circuit is from the GE...
This circuit is from a 1968 Electronic Design. The characteristics of the output transformer are not...