Patent · US Expired

Analog to digital converters

US4736188A · kind A · utility

3Cited by
3References
4Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 24, 1986
Grant dateApr 5, 1988
Priority date
Expiry dateNov 24, 2006

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03M3/428
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

A high resolution analog to digital converter comprising a low resolution analog to digital converter and an interpolating digital to analog converter, the interpolating digital to analog converter having a second order digital controller and a one bit quantiser arranged in a feedback loop. The low resolution analog to digital converter is coupled to a multi-stage decimation filter having an algorithm of any stage thereof determined in dependence upon the algorithm of the immediately preceding stage.

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