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Adaptively calibrating analog-to-digital conversion with correction table indexing
KTH, School of Electrical Engineering (EES), Signal Processing. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0002-2718-0262
2000 (English)Patent (Other (popular science, discussion, etc.))
Abstract [en]

Methods, systems, and arrangements enable true wide-band calibration of analog-to-digital conversion (ADC) using correction table indexing (350, 660). The frequency of an analog input signal that corresponds to a digital output sample is accounted for, at least partially, when accessing a correction table (350, 660) during the creation and use thereof. For example, in addition to at least a portion of a current sample, at least portion(s) of previous and/or subsequent samples may be used to build (805) (e.g., by bit concatenation) an index for addressing a correction table memory. In effect, compensation may be achieved for ADC errors that are frequency dependent. This correction table (350; 660) indexing may advantageously be employed along with a scheme that estimates (1020A) one or more parameters of the analog input signal in the digital domain on a sample-by-sample basis in order to reconstruct the analog input signal in the digital domain.

Place, publisher, year, edition, pages
EP: EP-A- 0 550 187; US-A- 6 127 955 , 2000. Vol. 01270957.2, no EP 1342323 B1
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-83548OAI: oai:DiVA.org:kth-83548DiVA: diva2:498832
Patent
US 6690311-B2 (2004-02-10)
Note

EP 1342323-B1 (2006-03-22)

Available from: 2012-02-12 Created: 2012-02-12 Last updated: 2013-08-07Bibliographically approved

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http://worldwide.espacenet.com/publicationDetails/biblio?DB=EPODOC&II=0&ND=3&at=7&locale=se_SE&FT=D&CC=EP&NR=1342323A2&KC=A2Electronic full text

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Händel, PeterSKOGLUND, Mikael

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf