这种宽输入共模电压范围是用标准低压运算放大器电源实现的。

This wide input common-mode range is obtained with standard low voltage op amp supplies.

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再者，所用的放大器也要考虑在加到输入端的整个共模电压(范围内)输入偏置电流转换保持平滑。

Again, consider using AMPLIFIERs that exhibit a smooth input bias current transition throughout the applied input common-mode voltage.

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电路模拟证明这种简单结构具有很高的共模电压输入范围和很低的谐波失真。

This simple structure is proved through the SPICE simulation to have the very high common mode input voltage excursion and low harmonious distortion.

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