Active Circuit Design of a Fractional Order Butterworth Filter

doi:10.3969/j.issn.0372-2112.2018.05.021

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Active Circuit Design of a Fractional Order Butterworth Filter

更新时间：2025-07-08

- Active Circuit Design of a Fractional Order Butterworth Filter
- Acta Electronica Sinica Vol. 46, Issue 5, Pages: 1160-1165(2018)
- 作者机构：
  
  南京航空航天大学电子信息工程学院,江苏,南京,210000
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0372-2112.2018.05.021
  CLC： TN713
- Published Online：25 May 2018，
  
  Published：2018
- 稿件说明：
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Active Circuit Design of a Fractional Order Butterworth Filter[J]. Acta Electronica Sinica, 2018, 46(5): 1160-1165.
DOI：

Active Circuit Design of a Fractional Order Butterworth Filter[J]. Acta Electronica Sinica, 2018, 46(5): 1160-1165. DOI： 10.3969/j.issn.0372-2112.2018.05.021.

摘要

本文将分数阶的低通滤波器的传递函数通式近似设计为Butterworth滤波器，在确定阶数与截止频率之后计算得到传递函数的系数.继而，本文通过该传递函数设计电路，进行仿真并电路实现.本文设计的电路在任意阶数下都只需要修改小部分元件便可得到预计截止频率，具有很强的灵活性，方便对比研究各阶分数滤波器.

Abstract

the transfer function of the fractional low-pass filter is approximated as a Butterworth filter.The coefficients of the transfer function are calculated after determining the order and the cutoff frequency.Then

the circuit design

simulation and circuit implementation are based on the transfer function.In this paper

the circuit in any order can be implemented by changing few parts of the circuit which has a strong flexibility.

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HE Xue

HU Zhi-zhong

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College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics

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