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An S-band left-handed tunable phase shifter based on Barium-Strontium-Titanate (BST) thin film is developed. The application of left-handed transmission line considerably reduces the size of the phase shifter. The phase shift reaches about 124 degree while the permittivity of the BST film ranges from 225 to 450. The Figure of Merits (FoM) of the phase shifter reaches up to 42.48 °/dB as the insertion...
A novel compact left-handed transmission line (LH-TL) metamaterial without vias or virtual ground is proposed in this paper. Based on the theory of hollow waveguide left-handed metamaterial and photonic bandgap (PBG), improved double split ring resonators (SRR) with electric connections among periodic cells patterned on the microstrip line is investigated. Compared with conventional SRR bulk left-handed...
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