Programmable loop bandwidth in phase locked loop (PLL) circuit

  • US 6,856,180 B1
  • Filed: 05/03/2002
  • Issued: 02/15/2005
  • Est. Priority Date: 05/06/2001
  • Status: Active Grant
First Claim
Patent Images

1. A phase locked loop circuit comprising:

  • a feedback loop; and

    a loop filter coupled to the feedback loop, wherein the loop filter is programmable in user mode to provide one of a plurality of bandwidths.

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