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Comparator circuit, related method of comparing a vector to comparison boundaries and transmitter employing the same

  • US 20040233599A1
  • Filed: 05/21/2003
  • Published: 11/25/2004
  • Est. Priority Date: 05/21/2003
  • Status: Active Grant
First Claim
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1. A comparator circuit for use with in-phase and quadrature phase signals, comprising:

  • a non-tilted comparison circuit configured to compare a resultant vector of said in-phase and quadrature phase signals to vertical and horizontal comparison boundary member pairs; and

    a tilted comparison circuit, coupled to said non-tilted comparison circuit, configured to compare said resultant vector to comparison boundary member diagonals coupled to said vertical and horizontal comparison boundary member pairs.

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