The author presents the design of a battery-supplied fluorescent lamp for automotive, emergency, or portable light sources. Each fluorescent tube has its own driver circuit that exhibits high efficiency (over 80%), simple design, and low cost. The driver circuit operates at a high frequency (50 kHz) and has an electronic ballast control, symmetrical tube driving, and semiresonance ignition. These operating conditions are optimal, and they provide a long tube life and high illumination.>
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Dragan Vasiljević (1989) studied this question.