Clock generation circuit and clock generation method

Clock generation circuit and clock generation method

  • CN 102,255,614 A
  • Filed: 05/20/2010
  • Published: 11/23/2011
  • Est. Priority Date: 05/20/2010
  • Status: Active Application
First Claim
Patent Images

1. clock generating circuit includes:

  • One phase detectors are used for detecting the phase difference between one first clock pulse and one second clock pulse, to produce a testing result;

    One first filter is used for this testing result is carried out filtering operation;

    One charge pump is used for producing a control signal according to filtered this testing result;

    One second filter is used for this control signal is carried out filtering operation;

    AndOne may command oscillator is used for producing an output clock pulse according to filtered this control signal, and wherein this output clock pulse is used for producing this second clock pulse.

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