Abstract

In this article, a microstrip bandpass filter with a very wide stopband is provided.Based on our previous published ultra-wide stopband bandpass filter, this proposed filter can extend the stopband range by adopting the patterned ground plane. The full-wave electromagnetic simulator IE3D is used, and the prototype of the bandpass filter is fabricated and measured. Comparisons of simulated results and experimental data are shown; moreover, good match validates the proposed filter. © 2010 Wiley Periodicals, Inc. Microwave Opt Technol Lett 52:2845–2847, 2010; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.25611

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