A deep negative feedback operation amplifier used in band gap reference is a common source and gate folded cascade operation amplifier with a lower offset voltage and a higher gain.

该带隙电压基准源电路中的深度负反馈运算放大器为低失调、高增益的折叠型共源共栅运算放大器。

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The stability of feedback of amplifier circuit is often analyzed with bode in Simulation Electron and Technology in the advanced institutes.

目前高等院校在模拟电子技术课程中对于负反馈放大电路稳定性进行分析时，一般采用波特图的分析方法。

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Combined with wide band current feedback amplifier, FET input circuit and programmable circuit, variable gain amplification circuit with high speed and high input impedance is designed.

并以宽带电流反馈运算放大器为核心，辅以FET输入电路及程控电路构建了高速高输入阻抗可变增益放大电路。

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