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A novel via-free composite right- and left-handed transmission line using defected ground structure

✍ Scribed by Jae-Hyun Park; Young-Ho Ryu; Jae-Gon Lee; Jeong-Hae Lee

Publisher
John Wiley and Sons
Year
2007
Tongue
English
Weight
297 KB
Volume
49
Category
Article
ISSN
0895-2477

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✦ Synopsis

Abstract

In this letter, a novel via‐free composite right‐ and left‐handed transmission line (CRLH TL) is proposed using defected ground structure (DGS). The required shunt inductance and series capacitance for left‐handed transmission line are provided by the mender‐line of DGS and inter‐digital gap in signal line, respectively. The dispersion relations are analyzed using the derived equivalent circuit and Bloch‐Floquet theory. The measured results of dispersion curves of CRLH TLs have good agreements with those of simulation and theory. A proposed via‐free CRLH TL has broad LH bandwidth of 88.7% below 1 GHz. © 2007 Wiley Periodicals, Inc. Microwave Opt Technol Lett 49: 1989–1993, 2007; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.22624

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