Ultra-wideband small square monopole antenna with variable frequency notch band characteristics using an interdigital slot

In this article, a novel printed monopole antenna for ultra‐wideband applications with variable frequency band‐notch characteristic is presented.The proposed antenna consists of a square radiating patch with a modified interdigital slot and a ground plane with a pair of inverted L‐shaped sleeves whi...

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Bibliographic Details
Published in:Microwave and optical technology letters 2012-01, Vol.54 (1), p.262-267
Main Authors: Zolfagharian, A. R., Azarmanesh, M. N., Ojaroudi, M.
Format: Article
Language:English
Subjects:
Antennas
Bandwidth
Cutting
frequency notch band characteristics
Ground plane
Microwaves
Monopole antennas
On-line systems
Patch antennas
printed monopole antenna
ultra wideband antenna
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Summary:In this article, a novel printed monopole antenna for ultra‐wideband applications with variable frequency band‐notch characteristic is presented.The proposed antenna consists of a square radiating patch with a modified interdigital slot and a ground plane with a pair of inverted L‐shaped sleeves which provides a wide usable fractional bandwidth of more than 130% (2.9–14.6 GHz). By cutting a modified interdigital slot with variable dimensions on the radiating patch frequency band‐stop performance is generated, and we can control its characteristics such as band‐notch frequency and its bandwidth. The designed antenna has a small size of 10 × 16 mm2 while showing the band rejection performance in the frequency band of 5.04–5.96 GHz. © 2011 Wiley Periodicals, Inc. Microwave Opt Technol Lett, 2012; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.26488
ISSN:0895-2477
1098-2760
1098-2760
DOI:10.1002/mop.26488