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。
2
Some new voltage-mode second-order filters based on current feedbackamplifier are proposed. The major merits of these circuits are multiple filtering function and adjustable parameter.
构造了一些新的基于电流反馈放大器的电压模式双二阶滤波器，多滤波功能和参数可调是这些电路的主要优点。
3
At the power output, OCL complementally and symmetrical power amplifier is adapted. The output sine voltage becomes smooth and stable by adding voltage-negative-feedback to power amplifier.