DE69426266D1 - Datengesteuerter verschlüssler für da-wandler mit multibit-rauschsignalformung - Google Patents

Datengesteuerter verschlüssler für da-wandler mit multibit-rauschsignalformung

Info

Publication number
DE69426266D1
DE69426266D1 DE69426266T DE69426266T DE69426266D1 DE 69426266 D1 DE69426266 D1 DE 69426266D1 DE 69426266 T DE69426266 T DE 69426266T DE 69426266 T DE69426266 T DE 69426266T DE 69426266 D1 DE69426266 D1 DE 69426266D1
Authority
DE
Germany
Prior art keywords
converters
data
controlled encoder
multibit
noise signaling
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
DE69426266T
Other languages
English (en)
Other versions
DE69426266T2 (de
Inventor
W Adams
W Kwan
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.)
Analog Devices Inc
Original Assignee
Analog Devices Inc
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 Analog Devices Inc filed Critical Analog Devices Inc
Application granted granted Critical
Publication of DE69426266D1 publication Critical patent/DE69426266D1/de
Publication of DE69426266T2 publication Critical patent/DE69426266T2/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
    • 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
    • H03M1/0665—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 using data dependent selection of the elements, e.g. data weighted averaging
    • H03M1/0668—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 using data dependent selection of the elements, e.g. data weighted averaging the selection being based on the output of noise shaping circuits for each element
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/66—Digital/analogue converters
    • 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
    • H03M3/50—Digital/analogue converters using delta-sigma modulation as an intermediate step
    • H03M3/502—Details of the final digital/analogue conversion following the digital delta-sigma modulation
DE69426266T 1993-08-05 1994-08-05 Datengesteuerter verschlüssler für da-wandler mit multibit-rauschsignalformung Expired - Lifetime DE69426266T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/102,574 US5404142A (en) 1993-08-05 1993-08-05 Data-directed scrambler for multi-bit noise shaping D/A converters
PCT/US1994/008836 WO1995005034A1 (en) 1993-08-05 1994-08-05 Data-directed scrambler for multi-bit noise-shaping d/a converters

Publications (2)

Publication Number Publication Date
DE69426266D1 true DE69426266D1 (de) 2000-12-14
DE69426266T2 DE69426266T2 (de) 2001-05-31

Family

ID=22290538

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69426266T Expired - Lifetime DE69426266T2 (de) 1993-08-05 1994-08-05 Datengesteuerter verschlüssler für da-wandler mit multibit-rauschsignalformung

Country Status (5)

Country Link
US (1) US5404142A (de)
EP (1) EP0712549B1 (de)
JP (1) JPH09501287A (de)
DE (1) DE69426266T2 (de)
WO (1) WO1995005034A1 (de)

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Also Published As

Publication number Publication date
EP0712549A1 (de) 1996-05-22
DE69426266T2 (de) 2001-05-31
EP0712549B1 (de) 2000-11-08
US5404142A (en) 1995-04-04
JPH09501287A (ja) 1997-02-04
EP0712549A4 (de) 1998-04-15
WO1995005034A1 (en) 1995-02-16

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