Patent · US Expired

Digital phase comparator for use in a phase lock loop

US5124594A · kind A · utility

6Cited by
6References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 17, 1991
Grant dateJun 23, 1992
Priority date
Expiry dateJul 17, 2011

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03L7/193
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

A Digital Phase Comparator has a simplified logic circuit in which Nand Circuits provide UP and DOWN signals containing phase information about E and F signals.

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