This transformerless circuit was obtained in a 1965 publication by Ferranti. The components are from that time, with emphasis on the type of engine used.
This circuit was found in the February 1994 issue of Electronics Now magazine. The circuit uses 6...
This circuit was found in a 1980s General Electric documentation. The circuit uses an operational of...
This circuit was found in documentation from the 1980s. The integrated circuit is from the time...