DE69434634T2 - Datenwandler mit Skalierung der Verstärkung zusammen mit einem Zittersignal - Google Patents

Datenwandler mit Skalierung der Verstärkung zusammen mit einem Zittersignal Download PDF

Info

Publication number
DE69434634T2
DE69434634T2 DE69434634T DE69434634T DE69434634T2 DE 69434634 T2 DE69434634 T2 DE 69434634T2 DE 69434634 T DE69434634 T DE 69434634T DE 69434634 T DE69434634 T DE 69434634T DE 69434634 T2 DE69434634 T2 DE 69434634T2
Authority
DE
Germany
Prior art keywords
input
adders
signal
output
multiplexer
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
DE69434634T
Other languages
German (de)
English (en)
Other versions
DE69434634D1 (de
Inventor
Steven Robert Emmaus Norsworthy
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.)
AT&T Inc
Original Assignee
AT&T 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 AT&T Inc filed Critical AT&T Inc
Application granted granted Critical
Publication of DE69434634D1 publication Critical patent/DE69434634D1/de
Publication of DE69434634T2 publication Critical patent/DE69434634T2/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
    • H03M1/66—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
    • H03M3/458—Analogue/digital converters using delta-sigma modulation as an intermediate step
    • H03M3/478—Means for controlling the correspondence between the range of the input signal and the range of signals the converter can handle; Means for out-of-range indication
    • H03M3/488—Means for controlling the correspondence between the range of the input signal and the range of signals the converter can handle; Means for out-of-range indication using automatic control
    • 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
    • H03M3/51—Automatic control for modifying converter range
    • 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
    • H03M3/43—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
    • H03M3/458—Analogue/digital converters using delta-sigma modulation as an intermediate step
    • H03M3/478—Means for controlling the correspondence between the range of the input signal and the range of signals the converter can handle; Means for out-of-range indication
    • H03M3/48—Means for controlling the correspondence between the range of the input signal and the range of signals the converter can handle; Means for out-of-range indication characterised by the type of range control, e.g. limiting
    • H03M3/486—Means for controlling the correspondence between the range of the input signal and the range of signals the converter can handle; Means for out-of-range indication characterised by the type of range control, e.g. limiting by adapting the input gain

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Analogue/Digital Conversion (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
DE69434634T 1993-12-16 1994-12-05 Datenwandler mit Skalierung der Verstärkung zusammen mit einem Zittersignal Expired - Lifetime DE69434634T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/168,900 US5483238A (en) 1993-12-16 1993-12-16 Data converter with gain scaling including dither
US168900 1993-12-16

Publications (2)

Publication Number Publication Date
DE69434634D1 DE69434634D1 (de) 2006-04-27
DE69434634T2 true DE69434634T2 (de) 2006-12-14

Family

ID=22613418

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69434634T Expired - Lifetime DE69434634T2 (de) 1993-12-16 1994-12-05 Datenwandler mit Skalierung der Verstärkung zusammen mit einem Zittersignal
DE69434276T Expired - Lifetime DE69434276T2 (de) 1993-12-16 1994-12-05 Datenwandler mit Skalierung der Verstärkung zusammen mit einem Zittersignal

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69434276T Expired - Lifetime DE69434276T2 (de) 1993-12-16 1994-12-05 Datenwandler mit Skalierung der Verstärkung zusammen mit einem Zittersignal

Country Status (6)

Country Link
US (1) US5483238A (Direct)
EP (2) EP0660527B1 (Direct)
JP (1) JP3137858B2 (Direct)
KR (1) KR100408963B1 (Direct)
DE (2) DE69434634T2 (Direct)
TW (1) TW289884B (Direct)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19630605A1 (de) * 1996-07-29 1998-02-05 Tech Gmbh Antriebstechnik Und Multiplikationsschaltung für Leistungs-Meßgerät
US5835038A (en) * 1997-05-08 1998-11-10 Burr-Brown Corporation DC dither circuitry and method for delta-sigma modulator
US6005500A (en) * 1997-06-06 1999-12-21 Rosemount, Inc. Transmitter with improved analog to digital converter
US5905453A (en) * 1997-08-04 1999-05-18 Motorola, Inc. Dithered sigma delta modulator having programmable full scale range adjustment
US5889482A (en) * 1997-10-06 1999-03-30 Motorola Inc. Analog-to-digital converter using dither and method for converting analog signals to digital signals
DE19800775C2 (de) * 1998-01-12 2001-01-25 Rohde & Schwarz Verfahren und Anordnung zum Reduzieren der Linearitätsfehlereinflüsse bei Hochfrequenzschaltungen, inbesondere AD-Wandler
DE19804425A1 (de) * 1998-02-05 1999-08-12 Cit Alcatel Breitbandinformationssystem für Verteildienste und interaktive Dienste
US6115731A (en) * 1998-04-07 2000-09-05 Lucent Technologies Inc. Scalable overflow clamp and method for a digital gain scaler/summer
FR2783374B1 (fr) * 1998-09-11 2000-12-08 Thomson Csf Procede et dispositif de generation d'un signal aleatoire et systemes de conversion numerique-analogique utilisant un tel signal aleatoire
US7081908B2 (en) * 2001-02-22 2006-07-25 Mitsubishi Heavy Industries, Ltd. Apparatus and method for testing electrode structure for thin display device using FET function
AU2002244265A1 (en) * 2001-07-13 2003-01-29 Cirrus Logic, Inc. Circuits, systems and methods for volume control in 1-bit digital audio systems
US7924937B2 (en) 2002-03-04 2011-04-12 Stmicroelectronics N.V. Resonant power converter for radio frequency transmission and method
KR100686421B1 (ko) 2002-03-04 2007-02-23 에스티마이크로일렉트로닉스 엔.브이. 공진전원변환 및 방법을 위한 코더장치
IT1393809B1 (it) * 2008-10-22 2012-05-11 St Wireless Sa Unità aritmetico-logica per processore di segnali digitali
KR102722998B1 (ko) * 2020-03-30 2024-10-29 삼성전자주식회사 음성 인식을 위한 디지털 마이크로폰 인터페이스 회로 및 이를 포함하는 전자 장치

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5518114A (en) * 1978-07-26 1980-02-08 Hitachi Ltd Analog-digital converter
JPS5952576B2 (ja) * 1979-07-13 1984-12-20 株式会社東芝 Ａ／ｄ変換器の安定化回路
US4366469A (en) * 1980-09-22 1982-12-28 Ilc Data Device Corporation Companding analog to digital converter
US4851841A (en) * 1987-10-02 1989-07-25 Crystal Semiconductor Corporation Gain scaling of oversampled analog-to-digital converters
US5051981A (en) * 1988-01-21 1991-09-24 Codex Corporation Digital filtering
JPH0229030A (ja) * 1988-04-20 1990-01-31 Nec Corp 信号処理回路
JPH0230A (ja) * 1988-12-16 1990-01-05 Minolta Camera Co Ltd データ送信機能を有する交換レンズ
EP0444234B1 (de) * 1990-03-02 1995-06-07 Siemens-Elema AB Verfahren und Einrichtung zur Analog-Digital-Wandlung
US5187481A (en) * 1990-10-05 1993-02-16 Hewlett-Packard Company Combined and simplified multiplexing and dithered analog to digital converter
US5134399A (en) * 1990-10-05 1992-07-28 Hewlett-Packard Company Subranging analog-to-digital converter with dither
US5144308A (en) * 1991-05-21 1992-09-01 At&T Bell Laboratories Idle channel tone and periodic noise suppression for sigma-delta modulators using high-level dither
US5250948A (en) * 1991-12-19 1993-10-05 Eastman Kodak Company High level resolution enhancement for dual-range A/D conversion
CA2126525C (en) * 1993-06-28 2004-05-04 Olivier Nys Signal processing circuit including a variable gain input stage

Also Published As

Publication number Publication date
DE69434276T2 (de) 2006-03-30
EP0895359A3 (en) 1999-03-03
EP0895359A2 (en) 1999-02-03
US5483238A (en) 1996-01-09
JPH07202697A (ja) 1995-08-04
EP0660527A1 (en) 1995-06-28
EP0660527B1 (en) 2006-02-22
EP0895359B1 (en) 2005-02-16
TW289884B (Direct) 1996-11-01
KR950022070A (ko) 1995-07-26
DE69434634D1 (de) 2006-04-27
KR100408963B1 (ko) 2004-02-19
DE69434276D1 (de) 2005-03-24
JP3137858B2 (ja) 2001-02-26

Similar Documents

Publication Publication Date Title
DE3120914C2 (Direct)
DE4237082C2 (de) Digital/Analog-Konverter mit integriertem Kalibriersystem und Kalibrierverfahren
DE3044208C2 (de) Interpolator zur Erhöhung der Wortgeschwindigkeit eines digitalen Signals
DE60320279T2 (de) Verfahren und system zum integrieren eines fehlanpassungsrauschformers in die hauptschleife eines delta-sigma-modulators
DE69734468T2 (de) Delta-sigma pwm dac für verringertes schalten
DE69919185T2 (de) Korrektur nichtlinearer ausgangsverzerrung in einen delta-sigma d/a-wandler
DE112013000926B4 (de) Sigma-Delta-Modulator mit Dithersignal
DE4237875C2 (de) Delta-Sigma-Konverter n-ter Ordnung und Verfahren zur Delta-Sigma-Konvertierung
EP1224739B1 (de) Sigma-delta-modulator
DE69434276T2 (de) Datenwandler mit Skalierung der Verstärkung zusammen mit einem Zittersignal
DE60123535T2 (de) Mehrstufenwandler mit Anwendung eines digitalen Zittersignals
DE60030950T2 (de) Digital-analog-wandler
DE19780640B3 (de) Niederleistungs-Delta-Sigma-Wandler
DE10153309A1 (de) Digital-Analog-Umsetzer-Vorrichtung mit hoher Auflösung
DE69314939T2 (de) Verfahren zur kaskadierung von sigma-delta modulatoren und ein sigma-delta modulatorsystem
DE69307376T2 (de) Stabilisierte Rauschformerschaltung kleiner Grösse mit unterdrücktem hochfrequentem Quantisierungsrauschen ohne verschlechtertes Signal/Rauschverhältnis
DE19937246A1 (de) Kaskadierter Sigma-Delta-Modulator
EP0666650A2 (de) Verfahren zur schnellen Decodierung der Ausgangssignale von Sigma Delta Modulatoren
DE3044582C2 (de) Digitaler Verstärker, insbesondere zur Verwendung in einer digitalen Fernsprech-Teilnehmerschaltung
DE68927066T2 (de) Analog-Digitalwandlerschaltung mit hoher Auflösung und niedriger Leistungsaufnahme
DE69728499T2 (de) Signalprozessoren für 1-Bit-Signale mit Sigma-Delta-Modulatoren n-ter Ordnung
DE68926613T2 (de) Gerät zur Signalwandlung, für Fernmeldevermittlungsanwendungen das die Quantisierungsfehler reduziert
DE69303183T2 (de) Dezimationsfilter mit zwei in Reihe geschalteten Filtern
DE10238028B4 (de) Verfahren und Vorrichtung zur Analog-Digital-Wandlung
DE60205297T2 (de) Verfahren und Vorrichtung zur Erzeugung eines Zufallssignals mit kontrolliertem Histogramm und Spektrum

Legal Events

Date Code Title Description
8364 No opposition during term of opposition