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    Publication
    Wide-band Circular Slot Cut Patch Antenna with Broad Beam-width for X band applications
    (01-01-2022)
    Gupta, Ritam
    ;
    ;
    David Koilpillai, R.
    In this paper, a miniaturised wide-band circular slot cut patch antenna with broad beam width is proposed that can be used for X band applications i.e., radar, satellite and wireless computer networks. In this proposed antenna design, initially a circular patch is taken and then 2 circular slots are removed from the patch to get wide band and broad beam-width providing 1.67 GHz (17%) of bandwidth, beam-width (HPBW) 100° in E-plane (i.e., φ=0o) and 96° in H-plane (i.e., φ=90o) and more than 100° beam-width for higher frequency within the operating bandwidth. The proposed design provides 5.5 dBi-4.43 dBi of gain over the band. For miniaturising and furthermore improvement of bandwidth and beam-width capacitive via fence is introduced around the patch antenna providing 2.03 GHz (22%) of bandwidth and more than 125° of beam-width. Ansys HFSS is used for antenna simulation and a prototype has been fabricated.