Patent · US Expired

Method and apparatus to emulate a filter using digital elements

US7436339B2 · kind B2 · utility

0Cited by
16References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 20, 2005
Grant dateOct 14, 2008
Priority date
Expiry dateJul 20, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03M1/66
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

A system, apparatus, method and article to emulate a filter using digital elements are described. The apparatus may include a digital-to-analog converter having an impulse response emulator, the impulse response emulator to receive multiple digital signals each having a predetermined waveform, and convert a sequence of bits from each digital signal to a predetermined analog waveform corresponding to the sequence of bits using a lookup table or digital filter. Other embodiments are described and claimed.

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