The complete CFL (Figure 1) includes the Edison screwbase and plastic housing, the electronic ballast, and the fluorescent lamp formed into a compact spiral shape. The electronic ballast circuit block ...

The inverter circuit shown is designed to drive a 7-W, four-pin compact fluorescent lamp (CFL) from a 12-V dc power supply. The main features of this inverter circuit include direct-drive ...

The circuit for [rimstar]’s battery powered ... What’s really interesting about this build is it provides a use for blown compact fluorescent bulbs. The normal failure mode of these light ...