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具有阻带抑制特性的微带带通滤波器设计 被引量：5

Design of microstrip bandpass filter with upper-skirt frequency suppression
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摘要 应用传输线理论分析了并联微带开路线产生传输零点的原理,设计了一个基于双模谐振器结构,中心频率为1.9 GHz、分数带宽为2%的改进型微带发夹式带通滤波器。仿真和实验结果较为一致,表明该类型的滤波器具有显著的上边阻带抑制特性,可以应用于高性能微波滤波器和双工器的设计中。 By the transmission line theory, the paper introduced a transmission zero using a parallel microstrip open-stub line. A proposed filter with 1.9 GHz center frequency, 2% fractional bandwidth was designed based on dual mode microstrip resonator. The simulation and measurement results of the proposed filter are in good agreement and show the excellent characteristics of up-skirt suppression. The proposed filter can be used for the design of high performance microstrip bandpass filter and diplexers.
作者 林娅 曹明武 蔡凯 黄贻培
机构地区 重庆通信学院军事信息工程系 重庆市科创职业学院
出处 《重庆邮电大学学报（自然科学版）》 北大核心 2011年第1期61-64,共4页 Journal of Chongqing University of Posts and Telecommunications(Natural Science Edition)
基金 重庆市自然科学基金(CSTC 2009BB2205)~~
关键词 阻带抑制 微带带通滤波器 微带开路线 stopband suppression microstrip bandpass filter mierostrip open-stub line
分类号 TN713 [电子电信—电路与系统]
  • 相关文献

参考文献9

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二级参考文献10

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共引文献4

同被引文献22

  • 1李鸣,李兴国.一种改进阻带性能的SIR滤波器[J].制导与引信,2005,26(2):57-59. 被引量：2
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  • 3WENG Minhang, LIAUH Chihngtsung, WU Hung- wei. An ultra-wideband bandpass filter with an embed- ded open-circuited stub structure to improve in-band performance[J]. IEEE Transactions on Microwave and Wireless Components Letters, 2009,19(3) : 146-148.
  • 4LI Qi, LIANG Changhong, WEN Haibin. Compact pla- nar ultra-wideband bandpass (UWB) filter with not- ched band [C] ff Singapore: Asia Pacific Microwave Conference, 2009 : 257-260.
  • 5H USE Chingwen, TSAI Yihsien, WU Changyu. Band- stop filter design using two-section structure and Z-do- main method [C] //Beijing: Asia-Pacific Internation Symposium on Electromagnetic Compatibility, 2010: 446-448.
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  • 7GONG Jianqiang, CHU Qingxin. Miniaturized mmros- trip bandpass flter using coupled SCRLH zeroth-order resonators[J]. IEEE Microwave and Optical Technol- ogy Letters, 2009, 51(12): 370-373.
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引证文献5

二级引证文献9

重庆邮电大学学报（自然科学版）
2011年 第1期

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