This circuit is from a Fairchild digital clock module shown in the March 1977 issue of Radio Electronics magazine. The circuit required a few external elements, including a common transformer.
This power supply was originally designed to power the amplifier shown in CB16743E, but it can be...
Found in a 1965 Electronic Design, this high voltage circuit uses period transistors. Its purpose...
This circuit was obtained in a documentation for radio amateurs from 1975. With it we can use a...