The principle and related technique are also presented to Compensate the finite gain effects of op amp by diminishing negative feedback.

提出了降低负反馈以补偿这些影响的原理及实现方法。

The models of SC Conductance and impedance with finite gain op amp are established. From these models, an analysis of finite gain effect on biquadratic SCF is made.

本文提出了运放增益为有限值时的SC电导和SC阻抗模型，用它们分析了运放有限增益对双二阶开关电容滤波器(SCF)性能的影响。

The difference between the real circuit and the design model due to the capacity mismatching, finite gain of amplifier and other analog mismatch can be simulated by MATLAB.

同时针对主要来自模拟电路的诸如实际电容的不精确匹配、放大器的有限增益等因素，通过MATLAB模型来详细分析这些模拟电路误差会对于电路性能产生的影响。