Abstract
In this article, a novel hexagon substrate integrated waveguide (SIW) dual-band filter is presented.First, the formula for calculating the resonant frequency of the dominant mode in triangle SIW cavity is given, then the triangle SIW cavity is used to construct a novel hexagon filter, which reduces the size effectively. According to the extracted-pole technique using a parallel resonant circuit at the input and output resonator, a dual-band filter with two passbands at 9.6–9.85 and 10.15–10.4 GHz has been designed and fabricated. © 2011 Wiley Periodicals, Inc. Microwave Opt Technol Lett 53:562–565, 2011; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.25799
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