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Lamp ballast circuit characterized by a single resonant frequency substantially greater than the fundamental frequency of the inverter output signal
Lamp ballast circuit characterized by a single resonant frequency substantially greater than the fundamental frequency of the inverter output signal
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机译：灯镇流器电路，其特征在于单个谐振频率实质上大于逆变器输出信号的基频
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摘要
A lamp driving circuit having a series inductor and capacitor (L-C) in which the lamp load is connected in parallel with the capacitor. During pre-ignition of the lamp load, the driving signal supplied by a half- bridge oscillator includes a fundamental frequency and a third harmonic of the fundamental frequency. The resonant frequency of the series connected L-C circuit is at least {square root}5 times greater than the fundamental frequency but less than the third harmonic of the driving signal.
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