Broadband quarter-wavelength patch antennas with a u-shaped slot

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review

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Original languageEnglish
Pages (from-to)328-330
Journal / PublicationMicrowave and Optical Technology Letters
Issue number5
Publication statusPublished - Mar 2001


A broadband quarter-wavelength patch antenna with a U-slot is presented. Using a foam layer of thickness approx. 0.07λ0 as a supported substrate, an impedance bandwidth of 27% (SWR ≤ 2) has been obtained. The far-field patterns are stable across the passband.