Simulation and Fabrication of Broadband Tunable Phase Shifter Based on Transmission Line Metamaterial
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Date
2019-09
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Mark
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Společnost pro radioelektronické inženýrství
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Abstract
This paper presents a kind of broadband, low-loss tunable phase shifter based on transmission line metamaterial. An inherent high-pass backward-wave response property of a left-handed metamaterial based on coplanar waveguide (CPW) transmission line was used to realize a microwave phase shifter. The commercial software Ansoft HFSS was used to design and analyze for the transmission line metamaterial phase shifter structure, and the resulting S-parameters were used to characterize its performance. A transmission line metamaterial phase shifter was fabricated on Copper-Clad Board. The designed four unit-cells phase shifter provides a 0-190o continuous phase shift at 7.2 GHz using varactors biased from 0 V to 6 V with relatively low insertion loss.
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Radioengineering. 2019 vol. 28, č. 3, s. 585-590. ISSN 1210-2512
https://www.radioeng.cz/fulltexts/2019/19_03_0585_0590.pdf
https://www.radioeng.cz/fulltexts/2019/19_03_0585_0590.pdf
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Peer-reviewed
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en