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Miniaturized substrate integrated waveguide filter with complementary spiral resonator

✍ Scribed by Liang Zhou; Shaobin Liu; Nan Gao; Yu Chen; Yinsheng Wei

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

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✦ Synopsis

Abstract

In this letter, the miniaturized substrate integrated waveguide (SIW) filter is proposed using a complementary spiral resonator (CSR). The CSR is based on the multiple turns SR (SRm), which was introduced in 2004 by some of the authors. CSR technique can be applied to the design of miniaturized filter by increasing electrical length. To demonstrate the idea, the miniaturized SIW filter is designed with CSR2 and CSR3, respectively. The measured central resonant frequencies are 3.25 and 2.23 GHz, which are lower than the SIW filter with complementary split‐ring resonator occurs at 5.17 GHz. Details of the experimental results compared with the simulated results are presented and discussed. © 2011 Wiley Periodicals, Inc. Microwave Opt Technol Lett 53:1308–1311, 2011; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.25992

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