NO954228D0 - Analog/digital-omformer med likeströmskorreksjon - Google Patents

Analog/digital-omformer med likeströmskorreksjon

Info

Publication number
NO954228D0
NO954228D0 NO954228A NO954228A NO954228D0 NO 954228 D0 NO954228 D0 NO 954228D0 NO 954228 A NO954228 A NO 954228A NO 954228 A NO954228 A NO 954228A NO 954228 D0 NO954228 D0 NO 954228D0
Authority
NO
Norway
Prior art keywords
analog
direct current
digital converter
current correction
correction
Prior art date
Application number
NO954228A
Other languages
English (en)
Other versions
NO954228L (no
Inventor
Andrew Mark Thurston
Timothy Robert Joyce
Original Assignee
Gen Electric Co Plc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gen Electric Co Plc filed Critical Gen Electric Co Plc
Publication of NO954228D0 publication Critical patent/NO954228D0/no
Publication of NO954228L publication Critical patent/NO954228L/no

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/061—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing hard decisions only; arrangements for tracking or suppressing unwanted low frequency components, e.g. removal of dc offset
    • H04L25/063—Setting decision thresholds using feedback techniques only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/30—Delta-sigma modulation
    • H03M3/322—Continuously compensating for, or preventing, undesired influence of physical parameters
    • H03M3/352—Continuously compensating for, or preventing, undesired influence of physical parameters of deviations from the desired transfer characteristic
    • H03M3/354—Continuously compensating for, or preventing, undesired influence of physical parameters of deviations from the desired transfer characteristic at one point, i.e. by adjusting a single reference value, e.g. bias or gain error
    • H03M3/356—Offset or drift compensation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/30—Delta-sigma modulation
    • H03M3/39—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators
    • H03M3/412—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution
    • H03M3/422—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only
    • H03M3/43—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only the quantiser being a single bit one
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/30—Delta-sigma modulation
    • H03M3/39—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators
    • H03M3/436—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type
    • H03M3/438—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type the modulator having a higher order loop filter in the feedforward path
    • H03M3/454—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type the modulator having a higher order loop filter in the feedforward path with distributed feedback, i.e. with feedback paths from the quantiser output to more than one filter stage

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Analogue/Digital Conversion (AREA)
NO954228A 1994-10-24 1995-10-23 Analog/digital-omformer med likeströmskorreksjon NO954228L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9421492A GB9421492D0 (en) 1994-10-24 1994-10-24 DC correction arrangement for a sigma-delta modulator

Publications (2)

Publication Number Publication Date
NO954228D0 true NO954228D0 (no) 1995-10-23
NO954228L NO954228L (no) 1996-04-25

Family

ID=10763365

Family Applications (1)

Application Number Title Priority Date Filing Date
NO954228A NO954228L (no) 1994-10-24 1995-10-23 Analog/digital-omformer med likeströmskorreksjon

Country Status (7)

Country Link
EP (1) EP0709970A3 (no)
AU (1) AU691661B2 (no)
GB (2) GB9421492D0 (no)
IL (1) IL115657A0 (no)
NO (1) NO954228L (no)
NZ (1) NZ280277A (no)
ZA (1) ZA958767B (no)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1178637A1 (en) 2000-08-04 2002-02-06 Motorola, Inc. Apparatus for reducing DC offset in a direct conversion receiver
DE102012208281A1 (de) * 2012-05-16 2013-11-21 Robert Bosch Gmbh Verfahren zur Entstörung eines Abtastprozesses sowie eine Vorrichtung zur Durchführung des Verfahrens

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4951052A (en) * 1989-07-10 1990-08-21 General Electric Company Correction of systematic error in an oversampled analog-to-digital converter
US4972189A (en) * 1989-10-23 1990-11-20 Grumman Aerospace Corporation Correction for DC offset in A/D converters
GB2239097B (en) * 1989-12-18 1993-08-11 Gen Electric Co Plc Electrical power measuring devices

Also Published As

Publication number Publication date
GB2294600A (en) 1996-05-01
ZA958767B (en) 1996-05-21
GB2294600B (en) 1998-01-14
IL115657A0 (en) 1996-01-19
GB9421492D0 (en) 1994-12-07
AU691661B2 (en) 1998-05-21
EP0709970A2 (en) 1996-05-01
AU3440395A (en) 1996-05-09
EP0709970A3 (en) 1998-04-29
NZ280277A (en) 1997-03-24
GB9521046D0 (en) 1995-12-13
NO954228L (no) 1996-04-25

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