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Printed monopole antenna with tunable band-notched characteristic for use in mobile and ultra-wide band applications
Elfergani, Issa T. Hussaini, Abubakar S. See, Chan H. McEwan, Neil J. Zhu, Shaozhen (Sharon) Rodriguez, Jonathan Clarke, Roger W.
Elfergani, Issa T.
Hussaini, Abubakar S.
See, Chan H.
McEwan, Neil J.
Zhu, Shaozhen (Sharon)
Rodriguez, Jonathan
Clarke, Roger W.
Publication Date
2015-06
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© 2014 Wiley Periodicals, Inc. This is the peer-reviewed version of the article, which has been published in final form at https://doi.org/10.1002/mmce.20874. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving.
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Abstract
A tunable band-notch printed monopole antenna is presented, exhibiting a wide impedance bandwidth from 1.5 to 5.5 GHz with good impedance matching (VSWR ≤ 2) and a tunable rejected frequency band from 2.38 to 3.87 GHz. The band-notching is achieved by adding an inner chorded crescent element within a driven element of a similar shape. By varying the value of the varactor which is placed between the inner and outer arcs, the desired variable rejected can be obtained. Simulated and measured results show wide impedance bandwidth with a tunable band notch, stable radiation patterns, and consistent nearly constant gain. The antenna is suitable for mobile and portable applications.
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Accepted manuscript
Citation
Elfergani ITE, Hussaini AS, See CH et al (2015) Printed monopole antenna with tunable band-notched
characteristic for use in mobile and ultra-wide band applications. International Journal of RF and
Microwave Computer-Aided Engineering. 25(5): 403-412.
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Article