Frequency and phase adjustment device and related method thereof

Frequency and phase adjustment device and related method thereof

  • CN 102,045,065 A
  • Filed: 10/19/2009
  • Published: 05/04/2011
  • Est. Priority Date: 10/19/2009
  • Status: Active Application
First Claim
Patent Images

1. frequency plot adjusting device includes:

  • One first controller is used for producing one first controlling signal according to a target frequency and a present frequency;

    One second controller is coupled to this first controller, is used for producing one second controlling signal according to this first controlling signal, and this second controlling signal is corresponding between a first frequency difference, a given period and a second frequency difference;

    AndOne oscillating circuit is coupled to this second controller, be used for according between this first frequency difference, this given period and this second frequency difference adjust this present frequency that it produces;

    Wherein, between a first phase in, this present frequency setting is a first frequency;

    In between this given period after being right after between this first phase, this present frequency setting is a second frequency;

    In the second phase after being right after between this given period, this present frequency setting is one the 3rd frequency;

    This first frequency difference equals the frequency-splitting of this first frequency and this second frequency;

    And this second frequency difference equals the frequency-splitting of this second frequency and the 3rd frequency.

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