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ADJUSTING TUNING SEGMENTS IN A DIGITALLY-CONTROLLED OSCILLATOR

  • US 20140347137A1
  • Filed: 05/23/2013
  • Published: 11/27/2014
  • Est. Priority Date: 05/23/2013
  • Status: Active Grant
First Claim
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1. A circuit comprising:

  • a digitally-controlled oscillator including;

    a coarse frequency-tuning array with a plurality of selectable coarse frequency-tuning segments, each of the coarse frequency-tuning segments having a coarse segment frequency step size; and

    a fine frequency-tuning array with a plurality of selectable fine frequency-tuning segments, the fine frequency-tuning array having a fine array frequency step size that is at least twice the coarse segment frequency step size; and

    the digitally-controlled oscillator configured to generate an output signal with a frequency based on the coarse frequency-tuning array and the fine frequency-tuning array.

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