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应用交指电容加载环谐振器的微带带阻滤波器 被引量：4

Compact microstrip band-stop filter using interdigital capacitance loading loop resonator
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摘要 提出了一种交指电容加载环谐振器(IDCLLR),与同尺寸的开环谐振器(SRR)相比,具有更多的设计参数、更低的谐振频率和更大的动态范围,因而使得设计更加灵活、也更适于器件小型化。随后提出两种基于IDCLLR的亚波长微带带阻滤波器结构:第一种是由一对IDCLLR磁耦合到50欧姆微带传输线构成的滤波器,获得0.39%(-10 dB)的窄的阻带;第二种是由一个IDCLLR磁耦合到U形微带传输线中构成的滤波器,由于增强耦合而获得2.4%的较宽且深的阻带。文中给出了它们的全波仿真和测试结果。 In this paper, the interdigital capacitance loading loop resonator （IDCLLR） is proposed to design microstrip band-stop filter. Compared to split-ring resonator （SRR）, IDCLLR of the same size possesses lower resonant frequency, more parameters for design and larger dynamic ranges. So IDCLLR makes it more flexible for designing filter and benefit of structural minimization. Two kinds of band-reject filters based on IDCLLR are presented. The first one is obtained by magnetic coupling a pair of IDCLLRs to a 50Ω microstrip line and a 0.39 % （--10 dB） narrow band rejection is achieved; the second one is obtained by embedding one IDCLLR into a meandered microstrip line. Due to enhanced coupling between ID- CLLR and microstrip, a 2.4% （--10 dB） broad and deep band rejection is achieved. Full-wave simulated and measured results are presented.
作者 彭毅 章文勋
机构地区 东南大学毫米波国家重点实验室
出处 《电波科学学报》 EI CSCD 北大核心 2009年第5期909-913,共5页 Chinese Journal of Radio Science
基金 电磁场和微波技术创新群体专项基金(6204029002)
关键词 人工电磁材料 交指电容加载环谐振器 微带带阻滤波器 metamaterials interdigital capacitively-loaded loop resonator band-reject filter
分类号 TN713 [电子电信—电路与系统]
  • 相关文献

参考文献14

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二级参考文献20

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共引文献4

同被引文献24

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引证文献4

二级引证文献12

电波科学学报
2009年 第5期

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