frequency discriminating optical chopper 鉴频光学调制器 ; 鉴频光学限制器
High-frequency chopper circuit 高频斩波电路
high frequency chopper 高频斩波器
double frequency chopper 双频斩光器
shared frequency modulation chopper 同频调制斩波
SEC high-frequency chopper cascade grovering SEC高频斩波串级调速
The amplifier input is a voltage proportional to the photocurrent signal produced by a photodiode, which is irradiated by a modulated light beam at the same chopper frequency.
放大器输入为电压信号，与光敏二极管产生的光电流信号成比例。调制光柱以断路器同样的频率照射光敏二极管。
Meanwhile, the driver had the functions of constant current chopper, index movements frequency and sine wave equal-breadth even subdivision.
驱动器具有恒流斩波、指数升降频和正弦波等幅均匀细分的功能。
With the shift-phase modulated multiple chopper circuit, the equivalent switch frequency can be improved, so it can be used in large power occasion.
采用移相调制的多重斩波电路，可以提高等效开关频率，因此可应用在中大功率场合。
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