Periodic-loaded sinusoidal patterned electromagnetic bandgap coplanar waveguides

Ferrari Martín, Francisco Falcone, Jordi Bonache, Txema Lopetegi, Miguel A.G. Laso, M. Coderch, Mario Sorolla

    Research output: Contribution to journalArticleResearchpeer-review

    5 Citations (Scopus)


    In this paper, coplanar waveguides (CPWs) periodically loaded with shunt-connected capacitances and periodically perturbed by varying the slot width are studied. Both square- and sinusoidal-shaped structures are considered. It is demonstrated that by a proper choice of the perturbation period, the spurious passbands-inherent with the presence of reactive elements-can be completely rejected, even in the case of singly tuned (sinusoidal) structures. Rejection levels near and above 30 dB (depending on the spurious band), inferred from electromagnetic based simulations, are experimentally verified. © 2003 Wiley Periodicals, Inc.
    Original languageEnglish
    Pages (from-to)181-184
    JournalMicrowave and Optical Technology Letters
    Publication statusPublished - 5 Feb 2003


    • Coplanar waveguide technology
    • Electromagnetic bandgaps (EBGs)
    • Microwave filters


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