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CPW-based composite right/left-handed transmission line and UWB-filter application

✍ Scribed by Chuan-Yun Liu; Qing-Xin Chu

Publisher
John Wiley and Sons
Year
2010
Tongue
English
Weight
298 KB
Volume
52
Category
Article
ISSN
0895-2477

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✦ Synopsis

Abstract

A coplanar‐waveguide‐based (CPW‐based) composite right/left‐handed (CRLH) transmission line (TL) is proposed. By introducing parallel‐plate capacitors to enlarge the distributed series capacitance, it can be exploited in diverse miniaturized components. In addition, planar structure is easier to implement. Using such a structure, an ultra‐wideband (UWB) filter is proposed. Two transmission zeros are located close to the passband edges, which makes a good selectivity and stopband rejection of the filter. The fractional 3‐dB bandwidth is larger than 71%. Agreements between simulated and measured responses of the filter are demonstrated. © 2010 Wiley Periodicals, Inc. Microwave Opt Technol Lett 52: 1024–1027, 2010; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.25143

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