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梳状SIR交叉耦合同轴腔滤波器的设计

Design of combline SIR cross-coupled coaxial-cavity filter
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摘要 四分之一波长SIR(Stepped Impedance Resonators)作为同轴腔滤波器的基本谐振单元,利用梯度法优化提取了交叉耦合滤波器的耦合矩阵,采用梳状线形式,设计了一种梳状SIR交叉耦合同轴腔滤波器。从滤波器的实测曲线可以看出,这种形式的滤波器很好的实现了宽阻带、小体积和高选择性的设计思想。 λg/4-type SIR is taken as basic resonator unit of coaxial filters. Coupling matrix of cross-coupled filter is extracted by the optimization method of analytic gradients. Adopted pectination form, a kind of combline cross-coupled coaxial-cavity filter with λg/4-type SIR is designed in this paper. The measured results show that fabricated four-cavities filter attains the demanding goals of small size, wide stopband and high selectivity.
作者 韩世虎 王锡良 樊勇
机构地区 电子科技大学电子工程学院电子系统工程研究所
出处 《电路与系统学报》 CSCD 北大核心 2007年第1期139-142,共4页 Journal of Circuits and Systems
基金 四川省青年科学基金资助项目(M16010201JS04001)
关键词 阶跃阻抗谐振器 交叉耦合 同轴腔滤波器 优化方法 Stepped Impedance Resonators cross-coupled coaxial filter optimization method
分类号 TN713 [电子电信—电路与系统]
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参考文献10

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二级参考文献12

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电路与系统学报
2007年 第1期

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