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Methods and apparatus for coincident phase center broadband radiator

  • US 8,325,099 B2
  • Filed: 12/22/2009
  • Issued: 12/04/2012
  • Est. Priority Date: 12/22/2009
  • Status: Active Grant
First Claim
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1. A radiator, comprising for each of two polarizations in a unit cell:

  • first and second fins to provide an air transition for a signal, the radiator including a throat region between the first and second fins;

    a signal path transitioning to a slotline feed;

    a slotline split forming a part of the slotline feed to provide signal power division and 180 degree phase shift for rejoinder in the throat of the radiator to launch the signal into free space.

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