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提出了一种新的开关电流高阶椭圆低通滤波器通用综合方法,该法遵循从RLC滤波器到有源RC滤波器,再到开关电容滤波器,最后到开关电流滤波器的顺序进行设计,方法简单易行。文中给出了5阶开关电流椭圆低通滤波器的设计实例,ASIZ仿真频率响应满足所需的频率技术要求。
A new general method of switching high order elliptic low pass filter is proposed. The method follows the order from RLC filter to active RC filter to switched capacitor filter and finally to switched current filter , The method is simple and easy. The design example of the 5th order switched-current elliptic low-pass filter is given in this paper. The ASIZ simulation frequency response meets the required frequency technical requirements.