Found in a General Electric documentation from 1970, this circuit is intended to supply a power LED of the time or Solid State Lamp. No information was given about the core used in the transformer.
This frequency divider circuit that generates a ladder-shaped signal was found in the June 1968...
This circuit can function as a simple shield converter from BCD to analog outputs. The circuit...
This circuit is from an Italian publication from 1988 but can still be easily assembled....