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High order bandpass filter using the first negative resonant mode of composite right/left-handed transmission line

✍ Scribed by Joo-Young Lee; Dong-Jin Kim; Jeong-Hae Lee

Publisher: John Wiley and Sons
Year: 2009
Tongue: English
Weight: 658 KB
Volume: 51
Category: Article
ISSN: 0895-2477
DOI: 10.1002/mop.24273

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✦ Synopsis

Abstract

In this article, a high order composite right/left‐handed (CRLH) bandpass filter using the first negative resonant mode is presented. The proposed filter employs mushroom structure as CRLH transmission line. To design a high order CRLH filter, the design equations are derived by adopting the design equations of the conventional right‐handed (RH) bandpass filter because the resonant property of the first negative mode is similar to that of the first positive mode. The size of a CRLH filter is reduced by 41% when compared with that of conventional RH filter. The measured results are in good agreement with that of full wave simulation. © 2009 Wiley Periodicals, Inc. Microwave Opt Technol Lett 51: 1182–1185, 2009; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.24273

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