在卡恩斯电路中，晶体管、电容器和可变电阻器是三个基本元件。
A transistor, a capacitor, and a variable resistor were the three basic components of Kearns' circuit.
介绍了一种用于光电倍增管的可变延迟高压门控开关电路。
A high voltage gating switch of variable delay for photomultiplier tube has been fabricated.
根据夹断电压能确定可变电阻区与饱和区的分界点，使场效应管可靠地工作在饱和区的原理。
On the grounds of the pinch-off voltage, the cut-off point of variable resistance area and saturation area can be fixed, so the field effect tube can reliably work in the saturation area.
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