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Two new ultra-wideband antennas with 3.4/5.5 GHz dual band-notched characteristics

✍ Scribed by Dan-Hong Bi; Zhi-Yuan Yu; Shao-Guo Mo; Xun-Cai Yin

Publisher
John Wiley and Sons
Year
2009
Tongue
English
Weight
318 KB
Volume
51
Category
Article
ISSN
0895-2477

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✦ Synopsis

Abstract

This letter presents two ultra‐wideband (UWB) antennas with 3.4/5.5 GHz dual‐notched bands. The U‐ and V‐slots are used to reject the frequency band (3.3–4.2 GHz) limited by C‐band satellite communication and Wimax systems. Another rejection band (5.15–5.825 GHz), limited by IEEE 802.11b or HIPERLAN/2 system, is obtained by using the U/V‐slot defected ground structure. Experimental results indicate that these antennas cover the entire UWB for voltage standing wave radio <2, except two notched bands. Moreover, these antennas have omnidirectional radiation patterns in the H‐plane and good gain flatness. © 2009 Wiley Periodicals, Inc. Microwave Opt Technol Lett 51: 2942–2945, 2009; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.24792

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