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This paper reports a novel compact tunable composite right/left-handed transmission line (CRLH-TL) with multi-state phase tunability using integrated MEMS switches. It is possible to select multiple states with different positive/negative phase responses. The phase states can be determined by controlling the admittance of capacitors and impedance of inductors through MEMS switch operations. At 9.5...
In this paper, a novel broadband zeroth-order resonant (ZOR) antenna is proposed. The proposed ZOR antenna is based on a CRLH coplanar-waveguide (CPW) transmission line (TL). For a compact size, two unit cells of the CRLH TL are chosen and each unit cell determines the resonant frequency. The unit cell is composed of the metallic patch and the meander line. This antenna shows the measured 10 dB return...
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