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新型多阶跃枝节加载双频带通滤波器 被引量：4

Dual-Band Bandpass Filter Using Stub-Loaded Multiple Stepped-Impedance Resonators
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摘要 提出一种新型的、各中心频率可调的多阶跃枝节加载双频滤波器,该微带双频滤波器采用多阶跃阻抗结构,通过增加更多的自由度来调节中心频率.由于谐振器为对称结构,所以采用传统的奇-偶模分析方法.通过调整阶跃阻抗的阻抗比和电长度,可以很容易获得一个可独立调节各个中心频率的双频滤波器.该滤波器工作在2.44 GHz(WLAN)和3.50 GHz(WiMAX)这两个频段,3 dB相对带宽分别为6%和2.6%,测试结果和仿真结果基本吻合. A novel dual-band filter using stub-loaded multiple stepped-impedance resonators is proposed. This filter can control each center frequency independently. In order to get more degrees of freedom, the microstrip filter uses a multiple stepped-impedance structure. Due to symmetry of the structure, the traditional even-odd mode analysis can be used. A dual-band filter can easily be obtained by adjusting the impedance ratio and electrical length. The dual-band filter with 3 dB relative bandwidths of 6% and 2.6% can be applied to 2.44 GHz （WLAN） and 3.50 GHz （WiMAX）, respectively. Simulation results agree well with measurements.
作者 黄春艳 肖中银 寇鑫 储君君 李好
机构地区 上海大学特种光纤与光接入网省部共建重点实验室
出处 《上海大学学报（自然科学版）》 CAS CSCD 北大核心 2012年第5期459-463,共5页 Journal of Shanghai University:Natural Science Edition
基金 国家自然科学基金资助项目(61077068) 上海市自然科学基金资助项目(10ZR1411900) 上海市重点学科建设资助项目(S30108) 上海市科委重点实验室资助项目(08DZ2231100)
关键词 双频 带通滤波器 阶跃枝节加载 奇-偶模 dual-band bandpass filter （BPF） stepped stub-loaded even-odd mode
分类号 TN713 [电子电信—电路与系统]
  • 相关文献

参考文献11

  • 1ZHANG X Y, CHEN J X, SHI J, et al. High-selectivity dual-band bandpass filter using asymmetric stepped- impedance resonators [ J ]. Electron Lett, 2009, 45 ( 1 ) : 63-64.
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二级参考文献8

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共引文献1

同被引文献25

  • 1曾力,肖鹏程,熊友符,郭晓金,黄俊.支节线加载DGS谐振环微带双频滤波器设计[J].微波学报,2012,28(S1):162-165. 被引量：2
  • 2ZHANG XY,CHEN J X,XUE Q,et al.Dual-band bandpass filters using stub-loaded resonators[J].IEEE Microwave Wireless Components Letters,2007,17(8):583-585.
  • 3MONDAL P,MANDAL M K.Design of dual-band bandpass filters using stub-loaded open-loop resonators[J].IEEE Transactions on Microwave Theory and Techniques,2008,56(1):150-155.
  • 4ZHANG X Y,CHEN J X,SHI J,et al.High-selectivity dual-band bandpass filter using asymmetric stepped-impedance resonators[J].Electronic Letters,2009,49(1):63-64.
  • 5MOUSSA R,PALUKURU V K,SOWPATI A K,et al.Tri-bandpass filter based on two steppedimpedance resonator[J].Microwave and Optical Technology Letters,2012,54(7):1765-1768.
  • 6GUAN X H,MA Z W,CAI P.A novel triple-band microstrip bandpass filter for wireless communication[J].Microwave and Optical Technology Letters,2009,51(6):1568-1569.
  • 7DI H,WU B,LAI X,et al.Synthesis of cross-coupled triple-passband filters based on frequency transformation[J].IEEE Microwave Wireless Components Letters,2010,20(8):432-434.
  • 8LEE C H,HSU C I G,CHEN Y C.Compact tri-band BPF design using spur-line-loaded tri-section SIRS[J].Microwave and Optical Technology Letters,2009,51(4):989-991.
  • 9LI Z P,SU T,ZHAO C S.A novel compact triple-passband filter design based on stepped impedance stub-loaded resonators[J].Microwave and Optical Technology Letters,2012,54(9):2106-2108.
  • 10CHEN F C,CHU Q X,TU Z H.Tri-band bandpass filter using stub loaded resonators[J].Electronic Letters,2008,44(12):747-748.

引证文献4

二级引证文献8

上海大学学报（自然科学版）
2012年 第5期

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