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Title: A low profile, wideband cavity-backed bowtie antenna
Authors: Zhou, S.-G. 
Huang, G.-L.
Chio, T.-H.
Keywords: bowtie antennas
cavity-backed antennas
low profile antenna
wideband antenna
Issue Date: Jun-2013
Citation: Zhou, S.-G., Huang, G.-L., Chio, T.-H. (2013-06). A low profile, wideband cavity-backed bowtie antenna. Microwave and Optical Technology Letters 55 (6) : 1422-1426. ScholarBank@NUS Repository.
Abstract: In this article, a cavity-backed bowtie antenna (CBBA) is proposed and investigated.Compared with the conventional CBBA, parasitic stubs are added to the open-end of the Bowtie. The parasitic stubs provide capacitive loading and allows the design to exhibit a low profile over a relatively wide bandwidth. Parametric studies are performed to optimize the antenna performance. For verification, a prototype was fabricated and measured. Experimental results show the VSWR of less than 2.0:1 from 1.97 to 8.5 GHz. However, the radiation pattern degrades beyond 7.5 GHz. This limits the operating bandwidth to about 117%. The height of the prototype is 15 mm which is only 0.1 λmax (λmax is the wavelength at the lowest operating frequency) © 2013 Wiley Periodicals, Inc. Microwave Opt Technol Lett 55:1422-1426, 2013; View this article online at DOI 10.1002/mop.27573 Copyright © 2013 Wiley Periodicals, Inc.
Source Title: Microwave and Optical Technology Letters
ISSN: 08952477
DOI: 10.1002/mop.27573
Appears in Collections:Staff Publications

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