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Compact dual-mode bandpass filter using meander defected ground waveguide loop resonator

✍ Scribed by Haiwen Liu; Wenyuan Xu; Li Shen; Yang Jiang; Liyun Shi; Jing Wan; Jongsik Lim; Dal Ahn

Publisher
John Wiley and Sons
Year
2011
Tongue
English
Weight
598 KB
Volume
53
Category
Article
ISSN
0895-2477

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✦ Synopsis

Abstract

To miniature the size of dual‐mode defected ground structure (DGS) resonator, novel meander defected ground waveguide resonator filter geometry is proposed in this letter. Its equivalent circuit structure and the coupling scheme are analyzed by even–odd mode theory. Defected corner‐cut perturbation is introduced to adjust the strength and nature of the coupling between the degenerate modes of this dual‐mode resonator. This filter with elliptic characteristics is designed, fabricated and measured. A good agreement between simulation and measurement verifies the validity of this design methodology. © 2011 Wiley Periodicals, Inc. Microwave Opt Technol Lett 53:2802–2805, 2011; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.26425

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