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DIRECTIONAL COUPLER AND RF CIRCUIT MODULE

  • US 20080070519A1
  • Filed: 07/26/2007
  • Published: 03/20/2008
  • Est. Priority Date: 09/20/2006
  • Status: Active Grant
First Claim
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1. A directional coupler comprising:

  • a main-line;

    a sub-line; and

    a ground plane,wherein the main-line and/or the sub-line form at least one winding of a loop, and the loop is disposed so that a main component of a vector vertically penetrating the loop is horizontal with respect to the ground plane.

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