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Presents a study which discussed improved scenario for electronic ballast derived with synchronous switch technique. Merits of electronic ballast; Results; Conclusion.

Presents information on a study which introduced an electric dimming ballast with a lead-lag tank operation (LLTO) having the properties of high efficiency and low stress. Analysis of the proposed circuit operation scheme; Outline of the design procedure; Presentation of a design example of electronic dimming ballast with the LLTO scheme for a two-fluorescent-lamp lighting system.

Analysis the design and practical consideration of a single-stage electronic ballast with dimming feature and unity power. Details on the use of a pulse-width modulation (PWM); Reference made to the hardware measurements conducted on the ballast which showed that desired performance can be achieved feasibly; Methodology used in the analysis; Implications of the findings.