Branch tee dielectric waveguide line

  • US 6,380,825 B1
  • Filed: 02/03/2000
  • Issued: 04/30/2002
  • Est. Priority Date: 08/22/1997
  • Status: Expired due to Term
First Claim
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1. A branch structure of a dielectric waveguide line comprising:

  • a pair of conductor layers between which a dielectric substrate is sandwiched; and

    two rows of through conductor groups which are formed to electrically connect the conductor layers to each other at repetition intervals not more than one half of a signal wavelength of a high-frequency signal in a transmission direction of the high-frequency signal, and at a constant width d in a direction perpendicular to the transmission direction, first and second dielectric waveguide lines which transmit the high-frequency signal through a region surrounded by the conductor layers and the through conductor groups being disposed, a tip end of the first dielectric waveguide line being perpendicularly connected to an opening disposed in one side of the second dielectric waveguide line, wherein the through conductor groups in another side opposed to the opening of the second dielectric waveguide line are formed along two arcs which are respectively centered at through conductors at ends of the opening and which have a radius equal to the constant width d, to have a vertex at an intersection of the two arcs.

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