frequency modulator
... phase modulator 相位调制器；调相器 frequency modulator 调频器；频率灯器 amplitude modulator 调幅器 ...
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基于T型滤波器的调光方法，能在很窄的工作频率范围内实现深度调光，同时具有灯电流波峰因数低的优点。
Based on T type filter, the new ballast can achieve a wide dimming range with a very narrow frequency variation range, and it can operate with low lamp current crest factor.
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