Patent · US Expired

Phase-locked loop calibration system

US7609118B1 · kind B1 · utility

0Cited by
105References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 29, 2004
Grant dateOct 27, 2009
Priority date
Expiry dateDec 29, 2024

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03L7/093
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

Phase locked loop calibration system. Apparatus is provided for calibration of a phase-locked loop. The apparatus includes logic to calibrate an integration filter of the phase-locked loop, and logic to calibrate a charge pump current of the phase-locked loop, wherein the integration filter and charge pump current are calibrated to achieve a desired phase-locked loop performance level.

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