A Novel Photonic Band-Gap Microstrip Structures for Low-Pass Filers of Wide Stop-Band

LIU Hai-wen; SUN Xiao-wei; CHENG Zhi-qun; LI Zheng-fan

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A Novel Photonic Band-Gap Microstrip Structures for Low-Pass Filers of Wide Stop-Band

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- A Novel Photonic Band-Gap Microstrip Structures for Low-Pass Filers of Wide Stop-Band
- Acta Electronica Sinica Vol. 32, Issue 5, Pages: 791-794(2004)
- 作者机构：
  
  1. 上海交通大学电子工程系,上海,200030
  2. 中国科学院上海微系统与信息技术研究所,上海,200050
  3. 上海交通大学电子工程系上海,200030
  4. 中国科学院上海微系统与信息技术研究所上海,200050
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN45TN713
- Published：2004
- 稿件说明：
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LIU Hai-wen, SUN Xiao-wei, CHENG Zhi-qun, et al. A Novel Photonic Band-Gap Microstrip Structures for Low-Pass Filers of Wide Stop-Band[J]. Acta Electronica Sinica, 2004, 32(5): 791-794.
DOI：

LIU Hai-wen, SUN Xiao-wei, CHENG Zhi-qun, et al. A Novel Photonic Band-Gap Microstrip Structures for Low-Pass Filers of Wide Stop-Band[J]. Acta Electronica Sinica, 2004, 32(5): 791-794. DOI：

摘要

本文首次提出综合PBG结构和微带线结构两因素

来设计滤波器的概念.与普通PBG结构滤波器不同的是

本文采用具有T形和十字形短截线的微带线代替直线微带线

在接地板上只需刻蚀一列PBG结构即可构成宽阻带低通滤波器.文中以T形短截线PBG结构的低通滤波器为例

运用时域有限差分法(FDTD)

分析了在不同短截线长度和PBG结构方孔边长的情况下

该滤波器的传输特性.文中还给出了该滤波器和Rumsey方法与Kim方法设计的级联、并联两种PBG结构低通滤波器的传输特性的模拟结果及其对比分析.最后

文中给出了模拟结果和测试结果

来验证所设计的低通滤波器的有效性.

Abstract

Two novel low-pass filters (LPFs) of wide stop-band synthesizing both the structure of photonic band-gap (PBG) and the structure of microstrip are proposed in this paper.Compared with the conventional PBG filters with the straight microstrip line

one of the proposed filters is implemented by a one-line PBG microstrip structure with T-junction opened stubs and its transmission characteristics are discussed.The other is implemented by a one-line PBG microstrip structure with cross-junction opened stubs.The transmission characteristics of the proposed filter and the filters designed by the Rumsey's method and Kim's method are presented and discussed.The new wide-band harmonic rejection LPFs are easy to design and fabricate.Finally

The simulated and experimental results verify the validity of the LPFs.

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