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Multiband waveguide reflector antenna feed

  • US 7,102,581 B1
  • Filed: 07/01/2004
  • Issued: 09/05/2006
  • Est. Priority Date: 07/01/2004
  • Status: Active Grant
First Claim
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1. A multiband waveguide reflector antenna feed comprising a plurality of circular waveguide feeds disposed in a concentric architecture said plurality of waveguide feeds comprising:

  • a band 1 waveguide feed disposed in a center of the multiband waveguide reflector antenna feed;

    a band 2 waveguide feed disposed in a concentric ring around the band 1 waveguide feed and operating as a coaxial waveguide with an outer surface of the band 1 waveguide feed as a band 2 inner conductor;

    a band 3 waveguide feed disposed in a concentric ring around the band 2 waveguide feed and operating as a coaxial waveguide with an outer surface of the band 2 waveguide feed as a band 3 inner conductor; and

    a band 4 waveguide feed disposed in a concentric around the band 3 waveguide feed and operating as a coaxial waveguide feed with an outer surface of the band 3 waveguide feed as a band 4 inner conductor.

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