A full-scale analysis of input impedance of the operational amplifier under the state of differential input is given here.

本文对运算放大器在差动输入状态下的输入阻抗问题做了全面的分析。

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Analyzes the characteristics of vortex signal, designs a differential charge amplifier with gain adaptive function, and analyzes its operational principle.

分析了涡街流量信号的特点，设计了增益自适应差动电荷放大器并介绍了它的工作原理。

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There may be saturation in the differential circuit built with the operational amplifier (op amp), which causes that the relationship between input and output is not differential expression.

用运算放大器构造的微分电路可能存在饱和现象，导致输出与输入电压之间不满足微分关系，使微分电路失去应有性能。

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