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.
Found in Popular Electronics this circuit will trigger a buzzer if the ignition key is removed...
The circuit shown with the LM3914 was found in the March 1992 issue of Radio Electronics magazine. The...
The integrated circuit used in this configuration of the 1990 Motorola Linear Databook is not...