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- Title
Simulation and Fabrication of Broadband Tunable Phase Shifter Based on Transmission Line Metamaterial.
- Authors
Su SHENG; Hanxiao CHEN; Jian WEN; Hongri LIU
- Abstract
This paper presents a kind of broadband, lowloss 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 0-190° continuous phase shift at 7.2 GHz using varactors biased from 0 V to 6 V with relatively low insertion loss.
- Subjects
PHASE shifters; ELECTRIC lines; INSERTION loss (Telecommunication); METAMATERIAL antennas; VARACTORS
- Publication
Radioengineering, 2019, Vol 28, Issue 3, p585
- ISSN
1210-2512
- Publication type
Article
- DOI
10.13164/re.2019.0585