Broadband CPW-fed wide slot antenna

A novel bow‐tie slot antenna fed by CPW is investigated. It is designed to work on a thick substrate (h=62 mil) with a high dielectric constant (εr=10.1). Two metal stubs are introduced at the center of the bow‐tie slot antenna to control the impedance matching and the cross‐polarization level. As a...

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Bibliographic Details
Published in:Microwave and optical technology letters 2000-05, Vol.25 (3), p.206-211
Main Authors: Miao, M., Ooi, B. L., Kooi, P. S.
Format: Article
Language:English
Subjects:
antenna feed
broadband antenna
slot antenna
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Summary:A novel bow‐tie slot antenna fed by CPW is investigated. It is designed to work on a thick substrate (h=62 mil) with a high dielectric constant (εr=10.1). Two metal stubs are introduced at the center of the bow‐tie slot antenna to control the impedance matching and the cross‐polarization level. As a result, no balun network is required. A parametric study based on a numerical spectral domain is performed. A bandwidth of more than 40% is achieved, and the experimental results are presented. © 2000 John Wiley & Sons, Inc. Microwave Opt Technol Lett 25: 206–211, 2000.
ISSN:0895-2477
1098-2760
DOI:10.1002/(SICI)1098-2760(20000505)25:3<206::AID-MOP14>3.0.CO;2-E