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Design of a compact microstrip low-pass filter using defected ground structure

✍ Scribed by Feng Wei; Xiao Wei Shi; Bin Li; Qiu Lin Huang; Xin Huai Wang

Publisher
John Wiley and Sons
Year
2008
Tongue
English
Weight
499 KB
Volume
50
Category
Article
ISSN
0895-2477

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✦ Synopsis

Abstract

A novel compact microstrip low‐pass filter (LPF) is proposed in this article. The proposed LPF is composed of semicircle‐defected ground structures (S‐DGS) and semicircle stepped‐impedance shunt stubs (S‐SISS). An equivalent lumped L‐C circuit model is also presented. With the S‐DGS and S‐SISS, better band‐stop performance and much smaller size can be obtained. Finally, theoretical and simulated results are presented, which are in good agreement with the measured results. © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 3157–3160, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.23938

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