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Circuit for programmable stepless clock shifting

  • US 20040164779A1
  • Filed: 11/25/2003
  • Published: 08/26/2004
  • Est. Priority Date: 02/21/2003
  • Status: Active Grant
First Claim
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1. Circuit for programmable stepless clock shifting comprising:

  • a splitter, receiving a clock reference and generating two 90′

    -shifted clock phases;

    an interpolator receiving said two 90′

    -shifted clock phases and two coefficients, and supplying a programmable phase clock, which has a phase shift with respect to said clock reference that depends only on said two coefficients.

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