Multi-band functional tunable LH impedance transformer

M. A. Abdalla, Z. Hu

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    This paper presents, for the first time, the analysis and design performance of tunable left handed coplanar waveguide transformer designed on a ferrite substrate. The proposed transformer is studied analytically and verified numerically. Results show that the proposed transformer has tunable dual band of operation with frequency tuning range from 2.35 GHz to 3.85 GHz with return loss from 10 dB to 25 dB. Such tunability can be achieved by changing the DC magnetic bias. The advantages of the proposed transformer are its tuning capability, its multi functionality operation, and its compact size. © 2009 VSP.
    Original languageEnglish
    Pages (from-to)39-47
    Number of pages8
    JournalJournal of Electromagnetic Waves and Applications
    Issue number1
    Publication statusPublished - 1 Feb 2009


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