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Gas discharge lamps ballast circuit - is for two lamps in series and has two RC voltage doublers and voltage regulating transistor
Gas discharge lamps ballast circuit - is for two lamps in series and has two RC voltage doublers and voltage regulating transistor
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机译:气体放电灯镇流器电路-用于两个串联的灯,并具有两个RC倍压器和调压晶体管
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摘要
The ballast circuit, for supplying two series gas discharge lamps from the AC mains, consists of an ignition circuit and a ballast to stabilise the lamp voltage. The ignition circuit (X1-X4, C1-C4) consists of two opposing voltage doublers connected between the supply and the lamps. Each voltage doubler contains two ac-side capacitors and two diodes. The capacitors are large enough to produce the voltage needed to ionise the lamp gases. The ballast consists of a voltage regulator containing an electronic switch regulated by a control circuit.
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