A new LC series element for compact bandpass filter design

Jesus Martel, Ricardo Marqués, Francisco Falcone, Juan D. Baena, Francisco Medina, Ferran Martín, Mario Sorolla

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    Resum

    A new LC series element based on a modified version of the split rings resonator introduced in [1] is proposed. Owing to its small electrical size, the new open split ring resonator (OSRR) is a very attractive element for compact bandpass filter design. As an example, we have designed and fabricated a filter to produce a bandpass around the resonance frequency of the employed OSRRs. The filter bandwidth is controlled by the length of the transmission lines connecting the OSRRs. Sharp and deep out-of-band rejection is achieved by cascading several OSRRs. Circuit theory and electromagnetic based simulations reasonably agree with experiments.
    Idioma originalEnglish
    Pàgines (de-a)210-212
    RevistaIEEE Microwave and Wireless Components Letters
    Volum14
    DOIs
    Estat de la publicacióPublicada - 1 de maig 2004

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