The proposed filter is based on the current sensing and compensation circuit and it utilizes a fast amplifier for the current compensation.
该有源滤波器基于电流检测、电流补偿的原理，以高速运放为核心。
This feature allows fast checking and adjustment of the amplifier zero.
这种功能能够快速地检查和调节放大器的零点。
The latter one was chosen to realize the main amplifier in our design since it has the features of simple topology, few external components and fast responsibility.
由于限幅放大器具有设计简单、功耗低、芯片面积小和外接元件少的优点，本文选择限幅放大器的形式来实现光接收机的主放大器。
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