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探讨利用集成运放制作同时实现电流型高通和带通功能的滤波电路,就运放的非理想特性对滤波器参数的影响进行了分析。理论和实验结果表明:本文介绍的滤波器性能良好。
The paper discusses the filter circuit which uses the integrated operational amplifier to realize the current-mode high-pass and band-pass functions. The influence of the non-ideal characteristics of the operational amplifier on the filter parameters is analyzed. Theoretical and experimental results show that the filter presented in this paper has good performance.