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We implemented double-negative metamaterials using cross-polarized split-ring resonators in a microstripline. The split-ring resonators comprised quad ring structures and were connected with the microstripline in series. Four different structures, with the shorted rings in varying locations, were fabricated to demonstrate reconfigurable band-pass characteristics. The effective permittivities and permeabilities were extracted using the Ziolkowski method. Excellent agreement between the developed circuit model and the measurement was observed up to 10 GHz. Key Words : Band Pass Filter, Split Ring Resonator, Reconfigurable Filter, Microwave Transmission Line.   2013    . * Corresponding Author : Changwon Jung(Seoul National Univ. of Science and Technology)Tel: +82-10-9969-4078 email: changwoj@snut.ac.krReceived April 3, 2013 Revised (1st May 6, 2013, 2nd May 23, 2013) Accepted July 11, 2013 1.  Victor Veselago 1968           ,        [1].     Thin wire ,  1996 Pendry Plasmon     thin wire    [2]. 1999 SRR(Split Ring Resonator)       ,    [3].  ,     SRR    Defected Ground Structure (DGS)        (Singnal Line)  , 2005 Baena J.D  SRR  Cross Polarization   E-field (excited)  [4,5].   Cross-Polarized SRR  Frequency Reconfigurable Double-Negative Metameterial    .   4 SRR .   SRR(Split Ring Resonators)    , SRR     (artificial switch)   ON/OdFF       .        .

Design of Reconfigurable Resonator with Cross Polarized SRR