Electrical and Information Engineering College;
Changsha University of Science & Technology;
Changsha 410077;
China;
College of Engineering;
Hunan Normal University;
Changsha 410081;
China;
多环反馈; 电流模式滤波器; Butterworth滤波器; 高阶; 设计; RC元件; 高通滤波器; FTFN;