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Monolithic microwave integrated circuits (MMICs) having conductor-backed coplanar waveguides and method of designing such MMICs

  • US 8,867,226 B2
  • Filed: 06/27/2011
  • Issued: 10/21/2014
  • Est. Priority Date: 06/27/2011
  • Status: Active Grant
First Claim
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1. A monolithic microwave integrated circuit, comprising:

  • a substrate;

    a plurality of electrical elements disposed on a top surface of the substrate;

    wherein each one of the elements having a coplanar waveguide section, each coplanar waveguide section having a strip conductor disposed between a pair of ground plane conductors, each one of the pair of ground plane conductors having two portions, a first portion being wider than a second portion, the second portion providing a ground plane conductor port for the corresponding one of the plurality of elements, the plurality of coplanar waveguide transmission line sections being disposed on the top surface of the substrate wherein the ground plane conductor port of one of the elements is directly connected to the ground plane conductor port of a connected one of the plurality of elements.

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