Miniaturization of narrow-band power dividers by using CPW metamaterial transmission lines

Francisco Aznar, Jordi Bonache, Alexandra Valcarcel, Ferran Martín

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Resum

In this article, it is demonstrated that the size of planar microwave circuits and components can be reduced by using coplanar waveguide (CPW) metamaterial transmission lines. The small size and the possibility to control the electrical characteristics (phase and characteristic impedance) of these lines, make them suitable for compact planar device design. To illustrate the possibilities of the approach, different power dividers, consisting on split-ring resonators (SRRs) and spiral resonators (SRs) loaded CPWs, have been designed, fabricated (in a conventional low loss microwave substrate) and measured. Sixty percentage size reduction, as compared to conventional devices, has been achieved. This size reduction can be enhanced by using smaller resonators based on different topologies. © 2009 Wiley Periodicals, Inc.
Idioma originalEnglish
Pàgines (de-a)926-929
RevistaMicrowave and Optical Technology Letters
Volum51
DOIs
Estat de la publicacióPublicada - 1 d’abr. 2009

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