Progress In Electromagnetics Research C
ISSN: 1937-8718
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By D. Geng, D. Yang, H. Xiao, Y. Chen, and J. Pan

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A novel Vivaldi antenna utilizing a tapered slot edge with a stepped structure (TSESS) to achieve miniaturization is presented in this paper. Compared with a conventional Vivaldi antenna of the same size, the proposed TSESS significantly extends the low-end bandwidth limitation and also improves the low-end antenna gain and radiation characteristics. The proposed antenna is fabricated and tested for validating the reliability of the design. The measured results show reasonable agreement with simulated ones. Moreover, a good time-domain response is indicated from the measured group delay, showing that the antenna meets the requirements of a UWB system.

D. Geng, D. Yang, H. Xiao, Y. Chen, and J. Pan, "A Novel Miniaturized Vivaldi Antenna for Ultra-Wideband Applications," Progress In Electromagnetics Research C, Vol. 77, 123-131, 2017.

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