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A NOVEL MINIATURIZED VIVALDI ANTENNA FOR ULTRA-WIDEBAND APPLICATIONS

By D. Geng, D. Yang, H. Xiao, Y. Chen, and J. Pan

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Abstract:
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.

Citation:
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.
doi:10.2528/PIERC17071605
http://www.jpier.org/pierc/pier.php?paper=17071605

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