Microstrip-fed circular slot antenna for circular polarization

A printed slot antenna with broadband circular polarization (CP) is presented. The proposed antenna is excited by an L‐shaped strip with a taper end, connected in series to a microstrip‐line‐fed located along the diagonal line of the circular‐slot. The measured results demonstrated a CP and impedanc...

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Bibliographic Details
Published in:Microwave and optical technology letters 2008-04, Vol.50 (4), p.1056-1058
Main Authors: Tseng, Lin-Yu, Han, Tuan-Yung
Format: Article
Language:English
Subjects:
broadband
circular polarization
circular-slot antenna
genetic local search algorithm
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Summary:A printed slot antenna with broadband circular polarization (CP) is presented. The proposed antenna is excited by an L‐shaped strip with a taper end, connected in series to a microstrip‐line‐fed located along the diagonal line of the circular‐slot. The measured results demonstrated a CP and impedance bandwidth of around 44% and 38%, respectively. It is noted that the CP bandwidth of 44% is much larger than those of antennas found in the literature. © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 1056–1058, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.23290
ISSN:0895-2477
1098-2760
DOI:10.1002/mop.23290