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A broad-band U-slot rectangular patch antenna on a microwave substrate

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4 Author(s)
Kin-Fai Tong ; Dept. of Electron. Eng., City Univ. of Hong Kong, Kowloon, China ; Luk, Kwai-Man ; Kai-Fong Lee ; Lee, Richard Q.

A broad-band U-slot rectangular patch antenna printed on a microwave substrate is investigated. The dielectric constant of the substrate is 2.33. The antenna is fed by a coaxial probe. The characteristics of the U-slot patch antenna are analyzed by the finite-difference time-domain (FDTD) method. Experimental results for the input impedance and radiation patterns are obtained and compared with numerical results. The maximum impedance bandwidth achieved is 27%, centered around 3.1 GHz, with good pattern characteristics

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Antennas and Propagation, IEEE Transactions on  (Volume:48 ,  Issue: 6 )