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An electrically small passive UHF-RFID tag based on a square-shaped split ring resonator antenna is presented. An analytical formulation of the radiation properties and the chip impedance matching is provided. A tag prototype of size 31 mm × 31 mm (λ0/11 × λ0/11) is designed and fabricated. The simulated and measured results are in good agreement with the theoretical analysis and the measured read...
This paper is focused on the study of the tunability of planar composite right/left handed (CRLH) transmission lines based on the combination of open split ring resonators (OSRRs) and open complementary split ring resonators (OCSRRs), and its application to microwave devices. The tunability is achieved by means of Barium-Stronium-Titanate (BST) thick films, which change the electrical properties of...
This paper is focused on metamaterial transmission lines based on split rings. Specifically, the considered lines are those based on the hybrid approach, where complementary split ring resonators (CSRRs) are combined with series gaps and shunt inductive stubs, and those implemented by loading a host line with open split ring resonators (OSRRs) and open complementary split ring resonators (OCSRRs)...
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