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Analysis and Design of Tapered Slot Antenna for Ultra-Wideband Applications

Yuan YAO, Wenhua CHEN( ), Bin HUANG, Zhenghe FENG, Zhijun ZHANG
Department of Electronic Engineering, Tsinghua University, Beijing 100084, China
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Abstract

The tapered slot antenna, such as Vivaldi, has been widely used due to its ultra-wideband, high gain, simple feed structure, and easy fabrication. However, there is no rigorous analytical theory for this type of antenna. This paper analyzed the metal parts of a tapered slot antenna in a conical coordinate system with the medium analyzed in rectangular coordinates. This mixed mode gave an approximate analytical form for the tapered slot antenna with the field distribution and radiation characteristics. A planar tapered slot antenna was proposed according to the results of the analysis methods. Measured and simulated results demonstrate the antenna performance. The antenna shows good impedance matching over a wide bandwidth of 9 GHz, from 2 GHz to 11 GHz, and good radiation patterns. It is suitable for ultra-wideband applications.

Keywords

planar antennatapered slot antennaultra-wideband (UWB)Vivaldi

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Tsinghua Science and Technology
Volume 14 Issue 1,
February 2009
Pages 1-6
DOI: 10.1016/S1007-0214(09)70001-X

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Cite this article:
YAO Y, CHEN W, HUANG B, et al. Analysis and Design of Tapered Slot Antenna for Ultra-Wideband Applications. Tsinghua Science and Technology, 2009, 14(1): 1-6. https://doi.org/10.1016/S1007-0214(09)70001-X

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Received: 26 March 2008
Revised: 27 September 2008
Published: 01 February 2009
© Tsinghua University Press 2009