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A novel microstrip low-pass filter design method using square-shaped defected ground structure

✍ Scribed by Petr Vágner; Miroslav Kasal

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

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✦ Synopsis

Abstract

This article deals with novel microstrip low‐pass filter (LPF) design method using defected ground structure (DGS). The DGS allows significant length reduction of inductive microstrip lines, thus overall filter dimensions are reduced. Chebyshev prototype filter design is described and conversion from lumped network structure to microstrip structure with DGS resonators is shown. For given passband ripple and cutoff frequency, a 7th order filter design is described. S‐parameters of proposed LPF are simulated and theoretical results are compared with measurement. © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 2458–2462, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.23692

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