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Wideband sub-wavelength antenna

  • US 5,828,340 A
  • Filed: 10/25/1996
  • Issued: 10/27/1998
  • Est. Priority Date: 10/25/1996
  • Status: Expired due to Fees
First Claim
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1. A wideband antenna comprising:

  • a planar conductive tab having a top edge, a tapered region and a bottom end wherein said top edge is wider than said bottom end and said tapered region lies between said top edge and said bottom end;

    a planar conductive ground plane that is parallel with said conductive tab and located below said bottom end of said conductive tab, said ground plane having an upper edge that is aligned with said bottom end of said conductive tab; and

    a transmission line connected to said bottom end of the planar conductive tab,wherein said top edge of said conductive tab is nominally 0.2 wavelengths wide and is located nominally 0.1 wavelengths from said upper edge of said ground plane, andwherein wavelength is a free space wavelength at a center frequency of operation.

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