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Sampling phase lock loop (PLL) with low power clock buffer

  • X. Gao (Inventor)
  • , A. Bahai (Inventor)
  • , M. Bohsali (Inventor)
  • , A. Djabbari (Inventor)
  • , Eric A.M. Klumperink (Inventor)
  • , Bram Nauta (Inventor)
  • , G. Socci (Inventor)

    Research output: Patent

    149 Downloads (Pure)

    Abstract

    A sampling phase locked loop (PLL) circuit includes a pull-up/down buffer configured to convert an oscillator reference clock into a square wave sampling control signal input to a sampling phase detector. The buffer circuit is configured to reduce power by controlling the switching of the pull-up and pull-down transistors (and thereby the transitions of the sampling control signal) so that the transistors are not on at the same time.
    Original languageUndefined
    Patent numberUS8427209B2
    Priority date20/12/10
    Publication statusPublished - 23 Apr 2013

    Keywords

    • METIS-297737
    • IR-86700
    • EWI-23523

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