DE60239867D1 - Mehrpegelquantisierer mit strommodus-dem-schaltmaten mehrbit-sigma-delta-modulator - Google Patents

Mehrpegelquantisierer mit strommodus-dem-schaltmaten mehrbit-sigma-delta-modulator

Info

Publication number
DE60239867D1
DE60239867D1 DE60239867T DE60239867T DE60239867D1 DE 60239867 D1 DE60239867 D1 DE 60239867D1 DE 60239867 T DE60239867 T DE 60239867T DE 60239867 T DE60239867 T DE 60239867T DE 60239867 D1 DE60239867 D1 DE 60239867D1
Authority
DE
Germany
Prior art keywords
delta modulator
sigma delta
bit sigma
level quantizer
electricity modification
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE60239867T
Other languages
English (en)
Inventor
Antti Ruha
Tarmo Ruotsalainen
Jussi-Pekka Tervaluoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Oyj
Original Assignee
Nokia Oyj
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 Nokia Oyj filed Critical Nokia Oyj
Application granted granted Critical
Publication of DE60239867D1 publication Critical patent/DE60239867D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/04—Differential modulation with several bits, e.g. differential pulse code modulation [DPCM]
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/06—Continuously compensating for, or preventing, undesired influence of physical parameters
    • H03M1/0617—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence
    • H03M1/0634—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence by averaging out the errors, e.g. using sliding scale
    • H03M1/0656—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence by averaging out the errors, e.g. using sliding scale in the time domain, e.g. using intended jitter as a dither signal
    • H03M1/066—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence by averaging out the errors, e.g. using sliding scale in the time domain, e.g. using intended jitter as a dither signal by continuously permuting the elements used, i.e. dynamic element matching
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/06—Continuously compensating for, or preventing, undesired influence of physical parameters
    • H03M1/0617—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/34—Analogue value compared with reference values
    • H03M1/36—Analogue value compared with reference values simultaneously only, i.e. parallel type
    • H03M1/361—Analogue value compared with reference values simultaneously only, i.e. parallel type having a separate comparator and reference value for each quantisation level, i.e. full flash converter type
    • 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
    • H03M3/324—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by means or methods for compensating or preventing more than one type of error at a time, e.g. by synchronisation or using a ratiometric arrangement
    • H03M3/326—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by means or methods for compensating or preventing more than one type of error at a time, e.g. by synchronisation or using a ratiometric arrangement by averaging out the errors
    • H03M3/328—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by means or methods for compensating or preventing more than one type of error at a time, e.g. by synchronisation or using a ratiometric arrangement by averaging out the errors using dither
    • H03M3/3287—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by means or methods for compensating or preventing more than one type of error at a time, e.g. by synchronisation or using a ratiometric arrangement by averaging out the errors using dither the dither being at least partially dependent on the input signal
    • 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
    • H03M3/324—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by means or methods for compensating or preventing more than one type of error at a time, e.g. by synchronisation or using a ratiometric arrangement
    • H03M3/326—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by means or methods for compensating or preventing more than one type of error at a time, e.g. by synchronisation or using a ratiometric arrangement by averaging out the errors
    • H03M3/328—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by means or methods for compensating or preventing more than one type of error at a time, e.g. by synchronisation or using a ratiometric arrangement by averaging out the errors using dither
    • H03M3/33—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by means or methods for compensating or preventing more than one type of error at a time, e.g. by synchronisation or using a ratiometric arrangement by averaging out the errors using dither the dither being a random signal
    • H03M3/332—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by means or methods for compensating or preventing more than one type of error at a time, e.g. by synchronisation or using a ratiometric arrangement by averaging out the errors using dither the dither being a random signal in particular a pseudo-random signal
    • 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
    • H03M3/424—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 multiple 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
    • H03M3/458—Analogue/digital converters using delta-sigma modulation as an intermediate step
    • H03M3/464—Details of the digital/analogue conversion in the feedback path
DE60239867T 2001-06-26 2002-06-12 Mehrpegelquantisierer mit strommodus-dem-schaltmaten mehrbit-sigma-delta-modulator Expired - Lifetime DE60239867D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/892,145 US6426714B1 (en) 2001-06-26 2001-06-26 Multi-level quantizer with current mode DEM switch matrices and separate DEM decision logic for a multibit sigma delta modulator
PCT/IB2002/002226 WO2003001674A2 (en) 2001-06-26 2002-06-12 Multi-level quantizer delta sigma modulator with current mode dem and dem decision logic

Publications (1)

Publication Number Publication Date
DE60239867D1 true DE60239867D1 (de) 2011-06-09

Family

ID=25399447

Family Applications (2)

Application Number Title Priority Date Filing Date
DE60232111T Expired - Lifetime DE60232111D1 (de) 2001-06-26 2002-06-12 Mehrpegelquantisierer mit Current-Mode-DEM-Schaltmatrizen und separater DEM-Entscheidungslogik für einen Multibit-Sigma-Delta-Modulator
DE60239867T Expired - Lifetime DE60239867D1 (de) 2001-06-26 2002-06-12 Mehrpegelquantisierer mit strommodus-dem-schaltmaten mehrbit-sigma-delta-modulator

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE60232111T Expired - Lifetime DE60232111D1 (de) 2001-06-26 2002-06-12 Mehrpegelquantisierer mit Current-Mode-DEM-Schaltmatrizen und separater DEM-Entscheidungslogik für einen Multibit-Sigma-Delta-Modulator

Country Status (7)

Country Link
US (1) US6426714B1 (de)
EP (2) EP1400017B1 (de)
KR (2) KR100958117B1 (de)
CN (1) CN1327618C (de)
AU (1) AU2002309160A1 (de)
DE (2) DE60232111D1 (de)
WO (1) WO2003001674A2 (de)

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US6980139B2 (en) * 2002-08-29 2005-12-27 Infineon Technologies Ag Sigma-delta-modulator
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US8242941B2 (en) * 2007-11-20 2012-08-14 The Tc Group A/S Pulse modulation A/D-converter with feedback
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US7961125B2 (en) * 2008-10-23 2011-06-14 Microchip Technology Incorporated Method and apparatus for dithering in multi-bit sigma-delta digital-to-analog converters
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TW201041319A (en) * 2009-05-04 2010-11-16 Sunplus Mmedia Inc Digital/analog conversion system for dynamic element matching and sigma-delta modulator using the same
KR101008045B1 (ko) * 2009-12-28 2011-01-13 유인규 가구 도어용 힌지장치
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CN106899304B (zh) * 2017-01-19 2020-02-18 电子科技大学 一种基于数据权重平均化方法的多比特sigma-delta调制器及调制方法
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Also Published As

Publication number Publication date
WO2003001674A2 (en) 2003-01-03
EP1400017A4 (de) 2005-03-09
KR20080109887A (ko) 2008-12-17
WO2003001674A3 (en) 2003-04-10
EP1400017A2 (de) 2004-03-24
AU2002309160A1 (en) 2003-01-08
EP1819044A1 (de) 2007-08-15
KR100958117B1 (ko) 2010-05-18
KR20040011555A (ko) 2004-02-05
KR100923481B1 (ko) 2009-11-02
CN1327618C (zh) 2007-07-18
EP1400017B1 (de) 2011-04-27
DE60232111D1 (de) 2009-06-04
US6426714B1 (en) 2002-07-30
EP1819044B1 (de) 2009-04-22
CN1520639A (zh) 2004-08-11

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