Abstract
A planar slot antenna operating at 2.75–9.75 GHz is studied for ultra-wideband (UWB) applications, where three controllable notched bands centered at 4, 5.9 and 8.45 GHz are further introduced to avoid some potential interferences. The elliptical slots and coplanar waveguide feeding lines are incorporated to achieve desired UWB operation. By introducing a V-shaped and two U-shaped slots on the CPW signal line, three notched bands are implemented, and each notch band can be adjusted independently. Measurements on the developed demonstrator match with the numerical simulations.
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Acknowledgements
This work was supported in part by the Natural Science Foundation of China (NSFC 61601063), in part by the Department of Science and Technology of Sichuan Province of China (2018JY0323, 2018GZ0072), and in part by the Open Fund of Sichuan Provincial Key Laboratory of Pattern Recognition and Intelligent Information Processing of Chengdu University (MSSB-2019-9).
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Gao, S.S., Li, JL. & Qiao, H.M. Compact Band Notched Slot Antenna for Ultra-Wideband (UWB) Applications Based on Strong Couplings Slots. J. Electr. Eng. Technol. 14, 2091–2095 (2019). https://doi.org/10.1007/s42835-019-00245-3
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DOI: https://doi.org/10.1007/s42835-019-00245-3