A new analogue sampled-data active device, called as a switched-current operational amplifier (SIOA), is presented.
本文提出了一种新的有源器件&开关电流运算放大器（SIOA）。
Then, the paper analyzes common-mode voltage and output voltage range of operational amplifier influenced by temperature and process problems that may appear. At last, switched-capacitor circuit related with chaotic expression directly is analyzed, and the simulation result according to the worst-case chaotic expression is obtained.
分析了工艺中可能存在的问题和温度的影响与运放的共模电压和输出电压幅度，以及与混沌公式直接相关的开关电容等，根据最坏分析得到混沌公式，给出了仿真测试结果。
After the switched capacitor network is transformed from time-varying topology into time-invariant topology and z-domain models of equivalent resistance using switched capacitor is obtained, a 2nd-order switched capacitor ellipse filter can be realized by assembling z-domain model, capacitor and operational amplifier models.
将开关电容网络的时变拓扑，变换为时不变拓扑，建立开关电容模拟电阻的Z域模型，与电容、运算放大器模型结合，构成二阶开关电容椭圆滤波器。
Finally, the paper presents the optimization design of the switched capacitor circuit containing non-ideal operational amplifier, and a design program SCCNOA is made.
最后，对含非理想运放的SC网络进行了优化设计，并且编制了适合微机运行的SC网络CAD程序&SCCNOA。