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Compact tunable periodically LC loaded phase shifter using left-handed transmission line

✍ Scribed by Su Sheng; Peng Wang; C. K. Ong

Publisher: John Wiley and Sons
Year: 2009
Tongue: English
Weight: 227 KB
Volume: 51
Category: Article
ISSN: 0895-2477
DOI: 10.1002/mop.24544

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✦ Synopsis

Abstract

In this article, a compact tunable periodically LC loaded phase shifter using left‐handed transmission line is presented. The unique nature of left‐handed transmission line metamaterials enables reduced size, compared to conventional loaded line phase shifters realized as right‐handed transmission lines. The phase shifter based on four unit cells provides 0°–280° continuous phase shift at 7.2 GHz from 0 to 6 V. Measured figure of merit is 78°/dB using the highest insertion loss. © 2009 Wiley Periodicals, Inc. Microwave Opt Technol Lett 51: 2127–2129, 2009; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.24544

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## Abstract LC‐loaded transmission lines and composite right/left‐handed (CRLH) LC circuits have been applied to generate equivalent left‐handed materials (LHM). In this paper, we propose a general representation of LHM using the mixture of CRLH circuits and transmission lines, along with the corre