High power factor at ac input can be achieved by controlling the switch of capacitor charge circuit.
通过对电容器充电回路开关管进行控制，实现交流输入端的高功率因数。
It is a switch capacitor circuit which consists of the preamplifier and dynamic latch.
比较器是前置放大器与动态锁存器组成的开关电容电路。
A capacitive proximity switch works with a high frequency oscillating circuit that creates an electromagnetic field on the active sensor surface by means of a capacitor.
阿电容式接近开关工程高的振荡电路，产生的积极传感器表面磁场的电磁通过一个电容手段的频率。
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