Patent · US Expired

Variable lock window for a phase locked loop

US6614317B2 · kind B2 · utility

6Cited by
2References
32Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 24, 2001
Grant dateSep 2, 2003
Priority date
Expiry dateMay 24, 2021

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S331/02
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

A lock detector system which operates adaptively based on a frequency of operation. Different lock windows are defined for different frequencies of operation and are automatically formed based on the controlled signal that is used to drive the voltage controlled oscillator of the phase locked loop.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.