Circuit with multiphase oscillator

Circuit with multiphase oscillator

  • CN 101,741,353 B
  • Filed: 11/06/2009
  • Issued: 06/24/2015
  • Est. Priority Date: 11/07/2008
  • Status: Active Grant
First Claim
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1. a circuit, comprising:

  • Multiphase oscillator, is configured to produce multiple output signal, and described output signal has same frequency and different skew,Be coupled to the value of feedback generator of described multiphase oscillator, be configured to produce value of feedback according at least two of described multiple output signal, the quantity of this value of feedback instruction quantity of the rising edge of at least two of described multiple output signal, the quantity of trailing edge or rising and falling edgesReference value generator, is configured to produce reference value according to reference clock and predetermined value,Combiner, is configured to combine described reference value and described value of feedback and exports combined value, andLoop filter, is configured to produce according to described combined value the control signal controlling described multiphase oscillator.

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