Patent · US Expired

Analog/digital converter and program therefor

US7292166B2 · kind B2 · utility

1Cited by
18References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 26, 2005
Grant dateNov 6, 2007
Priority date
Expiry dateNov 5, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03M1/1215
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

There is provided an analog-to-digital conversion apparatus that corrects digital data output from a plurality of analog-to-digital conversion units. The analog-to-digital conversion apparatus includes an interleaving unit operable to align the digital data respectively output from the plurality of analog-to-digital conversion units and to generate a data sequence; and a correction arithmetic unit operable to correct a data value error caused by a phase error of the sampling timing of the plurality of analog-to-digital conversion units based on a frequency characteristic of each of the analog-to-digital conversion units, in which the correction arithmetic unit includes: a data partitioning unit that generates a plurality of partition data by partitioning the data sequence; a data inserting unit that inserts data with data value zero at the head or end of each of the partition data by a predetermined insertion data number to sequentially output these data; an arithmetic unit that sequentially outputs data after correction made by sequentially performing correction arithmetic with respect to the partition data sequentially output from the data inserting unit; and a data connecting un…

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