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采用阶梯阻抗谐振器的新型小型化双频带带通滤波器 被引量：4

New Compact Dual Band Bandpass Filter Using Stepped Impedance Resonators
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摘要 设计一种新颖的双频带带通滤波器,应用于2.4/5.2 GHz无线局域网WLAN系统.该滤波器采用2个阶梯阻抗谐振器,通过合理的配置耦合方式,具有非常紧凑的电路结构.实际测量结果显示,该滤波器具有很小的插入损耗,在2个通带内,2.4和5.2 GHz处的插损分别为0.3和0.7 dB,并且该滤波器具有很宽的通带响应,2个通带的分数带宽分别为30%和17%.测量结果和仿真结果非常吻合. A new dualband bandpass filter for 2.4/5.2 GHz WLAN systems using two stepped impedance resonators is presented. With a properly coupled structure, this filter appears very compact and easy to fabricate. Measured results show that this filter has very low insertion loss of 0.3 dB at 2.4 GHz and 0.7 dB at 5.2 GHz, and broad fractional bandwidths in both passbands, that is, 30% and 17%, respectively. Measured results are in good agreement with simulation.
作者 徐贺明 肖中银 胡红虹
机构地区 上海大学通信与信息工程学院
出处 《上海大学学报（自然科学版）》 CAS CSCD 北大核心 2008年第6期557-559,共3页 Journal of Shanghai University:Natural Science Edition
基金 东南大学毫米波国家重点实验室基金资助项目(K200602) 上海市重点学科建设资助项目(T0102) 上海市科委重大科技攻关项目(05dz15004)
关键词 双频带 带通滤波器 阶梯阻抗谐振器 小型化 dual band bandpass filter （BPF） stepped impedance resonator （SIR） compact
分类号 TN713.5 [电子电信—电路与系统]
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参考文献9

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同被引文献25

  • 1刘若冰,孙厚军,白剑,金来福.X波段微带高低阻抗线低通滤波器设计[J].微波学报,2012,28(S2):281-284. 被引量：2
  • 2吴须大.波导双通带滤波器[J].空间电子技术,2004,1(4):9-12. 被引量：3
  • 3王正伟,羊恺.椭圆函数宽阻带带状线低通滤波器[J].实验科学与技术,2006,4(6):15-17. 被引量：2
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  • 6Sun S,Zhu L.Compact dual-band microstrip bandpass filter without external feeds[J].IEEE Microwave and Wireless Components letters,2005,15(10):644-646.
  • 7TANG Wanchun, JIANG Baozheng. CAD formula of asym- metric stripline via synthetic asymptote [J]. Microwave and Optical Technology Letters, 2005,47 : 143-145.
  • 8GUPTA K C,DARG R,CHADHA R. Computer-aided design of microwave circuits [M]. London: Artech House Inc., 1981.
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  • 10TANG Wanchun, YU Zhengyong, CHEN Xuemei. Synthetic asymptote formulas of asymmetric edge-coupled striplines [J]. Microwave and Optical Technology Letters, 2008,50 (3) : 706-708.

引证文献4

二级引证文献8

上海大学学报（自然科学版）
2008年 第6期

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