Patent · US Expired

Apparatus for controlling the impedance of high speed signals on a printed circuit board

US5764489A · kind A · utility

63Cited by
4References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 18, 1996
Grant dateJun 9, 1998
Priority date
Expiry dateJul 18, 2016

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH05K2201/10689
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

The present invention relates to the placement of signal traces on a two-sided printed circuit board such that impedance of the traces is controlled and so that the number of power and ground pins required on an integrated circuit are minimized.

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