Design of General Chebyshev Filter for Optimizing the Band-Edge Sensitivity

Yongzhong Zhu, K. Guan
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引用次数: 1

Abstract

A new technique is presented for maximizing the band-edge selectivity of general Chebyshev filters with minimum filter order. Based on maximizing the band-edge selectivity, the frequencies of extreme values of magnitude characteristic in the stopband are calculated in the closed form. The transmission zeros are obtained by solving a set of non-linear equations. Synthesis and design examples are given to verify the presented procedure.
优化带边灵敏度的通用切比雪夫滤波器设计
提出了一种以最小滤波器阶数最大化普通切比雪夫滤波器带边选择性的新方法。在最大化带边选择性的基础上,以封闭形式计算阻带内幅度特性极值的频率。通过求解一组非线性方程得到传输零点。给出了综合和设计实例来验证所提出的方法。
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