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Journal of Electromagnetic Waves and Applications Volume 22, 2008 - Issue 8-9
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Methods in Electromagnetics

Arbitrary Dual-band Coupler using Accurate Model of Composite Right/Left Handed Transmission Line

J. He Institute of Applied Physics, University of Electronic Science and Technology of China, 610054, Chengdu, China
,
B.-Z. Wang Institute of Applied Physics, University of Electronic Science and Technology of China, 610054, Chengdu, China
&
K.-H. Zhang Institute of Applied Physics, University of Electronic Science and Technology of China, 610054, Chengdu, China
Pages 1267-1272 | Published online: 03 Apr 2012
 
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Abstract

An accurate model of composite right/left handed transmission line (CRLH-TL) is used to design an arbitrary dual-band branch-line coupler (BLC). A pure left handed (LH) cell is not possible due to unavoidable parasitic series inductance and shunt capacitance effects, which are taken into consideration in the accurate model. With respect to a dual-band BLC designed with a conventional model, the coupler designed with the accurate model uses less chip components and achieves perfect performance, which is demonstrated by simulation and measurement results.

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Related Research Data

Bandpass Filter with Wide Stopband Using Composite Right/Left Handed Transmission Line
Source: Springer Science and Business Media LLC

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