所以输出电压可以用来度量输入电流，总的灵敏度由反馈电阻器（RF）决定。

Thus, the output voltage is a measure of input current, and overall sensitivity is determined by the feedback resistor RF).

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输出缓冲器包括差动输入级、偏压电流源、反馈模块以及输出级。

The output buffer includes a differential input stage, a bias current source, a feedback module, and an output stage.

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本文介绍了电流反馈放大器（CFA）的基本原理，用四个CFA和几个电阻、电容设计了一种三输入单输出的新的通用滤波器。

The fundamental of current feedback amplifiers(CFA) has been introduced. A new universal filter with three inputs and single output using four CFAs and a few of resistors and capacitors is presented.

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