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Title: An ultrawideband (UWB) slotline antenna under multiple-mode resonance
Authors: Huang, X. D.
Cheng, C. H.
Zhu, L.
Keywords: DRNTU::Engineering::Electrical and electronic engineering
Issue Date: 2011
Source: Huang, X. D., Cheng, C. H., Zhu, L. (2011). An ultrawideband (UWB) slotline antenna under multiple-mode resonance. IEEE Transactions on Antennas and Propagation, 60(1), 385-389.
Series/Report no.: IEEE transactions on antennas and propagation
Abstract: A novel ultrawideband (UWB) antenna based on a multiple-mode slotline radiator is proposed and developed. This slotline radiator/resonator is formed on the ground plane of a microstrip line and it is asymmetrically fed in right angle by a shorted strip conductor. As the feeding position and port impedance are properly selected, an operating band (VSWR <; 2.0) of 3.6 to 10.5 GHz with four reflection zeros is realized. A practical 50-Ω microstrip-fed slotline resonator antenna is then constructed with a tapered line transformer. After its radiation performance is optimally designed, a prototype UWB antenna is fabricated and measured. The measured impedance bandwidth has successfully achieved a fractional bandwidth of 97.9% (VSWR <; 2.3) as predicted in theory, over which the antenna peak gain varies from 0.5 to 4.5 dBi.
DOI: 10.1109/TAP.2011.2167899
Rights: © 2011 IEEE.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:EEE Journal Articles

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