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The band-notch function for a compact coplanar waveguide-fed super-wideband printed monopole

✍ Scribed by Xiao-Rong Yan; Shun-Shi Zhong; Guo-Yu Wang

Publisher: John Wiley and Sons
Year: 2007
Tongue: English
Weight: 205 KB
Volume: 49
Category: Article
ISSN: 0895-2477
DOI: 10.1002/mop.22864

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✦ Synopsis

Abstract

A compact rectangular monopole antenna fed by a tapered coplanar waveguide (CPW) with a band‐notch function is proposed for super‐wideband (SWB) applications. A U‐shaped slot is cut in the radiation patch to obtain the band‐notch function and its parameters are studied in detail. It is shown that the band‐notched function can be realized by controlling the location of the U‐shaped slot and the notched band can be changed by adjusting the length and the width of the slot. Experimental results demonstrate that the proposed antenna has a stop‐band of 5.07–5.85 GHz and a super‐wideband from 0.595 to 8.95 GHz (15:1) for VSWR ≤2. © 2007 Wiley Periodicals, Inc. Microwave Opt Technol Lett 49: 2769–2771, 2007; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.22864

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## Abstract A compact coplanar waveguide fed monopole ultra‐wideband antenna having a frequency‐notch function is proposed. The notched frequency band can be achieved by including the two L‐shape striplines in the bottom of the substrate. The designed antenna has a notch band of 5.10–6.25 GHz while