DK0707383T3 - Koblingsindretning til analog-digital-omskiftning af signaler - Google Patents

Koblingsindretning til analog-digital-omskiftning af signaler

Info

Publication number
DK0707383T3
DK0707383T3 DK95250144T DK95250144T DK0707383T3 DK 0707383 T3 DK0707383 T3 DK 0707383T3 DK 95250144 T DK95250144 T DK 95250144T DK 95250144 T DK95250144 T DK 95250144T DK 0707383 T3 DK0707383 T3 DK 0707383T3
Authority
DK
Denmark
Prior art keywords
switching
analog
signals
digital
switching device
Prior art date
Application number
DK95250144T
Other languages
English (en)
Inventor
Helmut Dr Jahne
Klaus Cain
Matthias Knoth
Olaf Altenberg
Detlef Kutschabsky
Thomas Reussner
Original Assignee
Stage Tec Entwicklungsgesellsc
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
Priority claimed from DE4420713A external-priority patent/DE4420713C2/de
Priority claimed from DE19502047A external-priority patent/DE19502047C2/de
Application filed by Stage Tec Entwicklungsgesellsc filed Critical Stage Tec Entwicklungsgesellsc
Application granted granted Critical
Publication of DK0707383T3 publication Critical patent/DK0707383T3/da

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/10—Calibration or testing
    • H03M1/1009—Calibration
    • H03M1/1028—Calibration at two points of the transfer characteristic, i.e. by adjusting two reference values, e.g. offset and gain error
    • 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
    • H03M1/18—Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging
    • H03M1/188—Multi-path, i.e. having a separate analogue/digital converter for each possible range

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Analogue/Digital Conversion (AREA)
  • Amplifiers (AREA)
DK95250144T 1994-06-14 1995-06-14 Koblingsindretning til analog-digital-omskiftning af signaler DK0707383T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4420713A DE4420713C2 (de) 1994-06-14 1994-06-14 Vorrichtung zur Umwandlung analoger Audiosignale in einen digitalen Datenstrom
DE19502047A DE19502047C2 (de) 1995-01-12 1995-01-12 Verfahren zur Analog-Digital-Wandlung von Signalen

Publications (1)

Publication Number Publication Date
DK0707383T3 true DK0707383T3 (da) 2002-08-19

Family

ID=25937408

Family Applications (1)

Application Number Title Priority Date Filing Date
DK95250144T DK0707383T3 (da) 1994-06-14 1995-06-14 Koblingsindretning til analog-digital-omskiftning af signaler

Country Status (3)

Country Link
US (1) US5600317A (da)
EP (1) EP0707383B1 (da)
DK (1) DK0707383T3 (da)

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JP3479433B2 (ja) * 1997-07-02 2003-12-15 理想科学工業株式会社 重ね送り検出装置
US6195031B1 (en) * 1998-12-28 2001-02-27 Siemens Aktiengesellschaft Analog-to-digital converter with level converter and level recognition unit and correction memory
SE521566C2 (sv) 1999-10-15 2003-11-11 Ericsson Telefon Ab L M Förfarande och anordning för att ta emot analoga signaler som varierar inom ett stort signalområde i ett radiokommunikationssystem
US6414619B1 (en) 1999-10-22 2002-07-02 Eric J. Swanson Autoranging analog to digital conversion circuitry
US6310518B1 (en) 1999-10-22 2001-10-30 Eric J. Swanson Programmable gain preamplifier
US6369740B1 (en) 1999-10-22 2002-04-09 Eric J. Swanson Programmable gain preamplifier coupled to an analog to digital converter
US6590517B1 (en) 1999-10-22 2003-07-08 Eric J. Swanson Analog to digital conversion circuitry including backup conversion circuitry
US9467777B2 (en) 2013-03-15 2016-10-11 Cirrus Logic, Inc. Interface for a digital microphone array
US9831843B1 (en) 2013-09-05 2017-11-28 Cirrus Logic, Inc. Opportunistic playback state changes for audio devices
US9391576B1 (en) 2013-09-05 2016-07-12 Cirrus Logic, Inc. Enhancement of dynamic range of audio signal path
US9525940B1 (en) * 2014-03-05 2016-12-20 Cirrus Logic, Inc. Multi-path analog front end and analog-to-digital converter for a signal processing system
US9774342B1 (en) 2014-03-05 2017-09-26 Cirrus Logic, Inc. Multi-path analog front end and analog-to-digital converter for a signal processing system
US9306588B2 (en) 2014-04-14 2016-04-05 Cirrus Logic, Inc. Switchable secondary playback path
US10785568B2 (en) 2014-06-26 2020-09-22 Cirrus Logic, Inc. Reducing audio artifacts in a system for enhancing dynamic range of audio signal path
US9337795B2 (en) 2014-09-09 2016-05-10 Cirrus Logic, Inc. Systems and methods for gain calibration of an audio signal path
US9596537B2 (en) 2014-09-11 2017-03-14 Cirrus Logic, Inc. Systems and methods for reduction of audio artifacts in an audio system with dynamic range enhancement
US9503027B2 (en) 2014-10-27 2016-11-22 Cirrus Logic, Inc. Systems and methods for dynamic range enhancement using an open-loop modulator in parallel with a closed-loop modulator
CA2973142C (en) 2015-02-16 2018-02-06 Sound Devices, LLC High dynamic range analog-to-digital conversion with selective regression based data repair
US9584911B2 (en) 2015-03-27 2017-02-28 Cirrus Logic, Inc. Multichip dynamic range enhancement (DRE) audio processing methods and apparatuses
US9959856B2 (en) 2015-06-15 2018-05-01 Cirrus Logic, Inc. Systems and methods for reducing artifacts and improving performance of a multi-path analog-to-digital converter
US9955254B2 (en) 2015-11-25 2018-04-24 Cirrus Logic, Inc. Systems and methods for preventing distortion due to supply-based modulation index changes in an audio playback system
US9543975B1 (en) 2015-12-29 2017-01-10 Cirrus Logic, Inc. Multi-path analog front end and analog-to-digital converter for a signal processing system with low-pass filter between paths
US9880802B2 (en) 2016-01-21 2018-01-30 Cirrus Logic, Inc. Systems and methods for reducing audio artifacts from switching between paths of a multi-path signal processing system
US9998826B2 (en) 2016-06-28 2018-06-12 Cirrus Logic, Inc. Optimization of performance and power in audio system
US10545561B2 (en) 2016-08-10 2020-01-28 Cirrus Logic, Inc. Multi-path digitation based on input signal fidelity and output requirements
US10263630B2 (en) 2016-08-11 2019-04-16 Cirrus Logic, Inc. Multi-path analog front end with adaptive path
US9813814B1 (en) 2016-08-23 2017-11-07 Cirrus Logic, Inc. Enhancing dynamic range based on spectral content of signal
US9780800B1 (en) 2016-09-19 2017-10-03 Cirrus Logic, Inc. Matching paths in a multiple path analog-to-digital converter
US9762255B1 (en) 2016-09-19 2017-09-12 Cirrus Logic, Inc. Reconfiguring paths in a multiple path analog-to-digital converter
US9929703B1 (en) 2016-09-27 2018-03-27 Cirrus Logic, Inc. Amplifier with configurable final output stage
US9967665B2 (en) 2016-10-05 2018-05-08 Cirrus Logic, Inc. Adaptation of dynamic range enhancement based on noise floor of signal
US10321230B2 (en) 2017-04-07 2019-06-11 Cirrus Logic, Inc. Switching in an audio system with multiple playback paths
US10008992B1 (en) 2017-04-14 2018-06-26 Cirrus Logic, Inc. Switching in amplifier with configurable final output stage
US9917557B1 (en) 2017-04-17 2018-03-13 Cirrus Logic, Inc. Calibration for amplifier with configurable final output stage
WO2019036579A1 (en) 2017-08-18 2019-02-21 Cirrus Logic International Semiconductor, Ltd. MULTI-PATH ANALOG SYSTEM WITH PASS-UP MULTIMODE FILTER
JP2023524215A (ja) 2020-04-28 2023-06-09 レイク ショア クライオトロニクス インコーポレイテッド ハイブリッドデジタルおよびアナログ信号発生システムおよび方法

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US4129864A (en) * 1976-03-03 1978-12-12 The United States Of America As Represented By The Secretary Of Commerce High speed, wide dynamic range analog-to-digital conversion
WO1987006080A2 (en) * 1986-03-24 1987-10-08 Eastman Kodak Company Analog/digital converter apparatus for quantizing transmittance voltage signals
DE3611922A1 (de) * 1986-04-09 1987-10-22 Pierburg Gmbh & Co Kg Verfahren und einrichtung zum verbessern der aufloesung beim digitalisieren eines analogsignals
US4943807A (en) * 1988-04-13 1990-07-24 Crystal Semiconductor Digitally calibrated delta-sigma analog-to-digital converter
DE3820144A1 (de) * 1988-06-14 1989-12-21 Ant Nachrichtentech Hochaufloesender a/d- bzw. d/a-umsetzer
FR2649212B1 (fr) * 1989-06-28 1991-10-18 Inst Francais Du Petrole Methode et dispositif d'acquisition permettant une numerisation precise de signaux analogiques
JPH065819B2 (ja) * 1989-06-29 1994-01-19 ヤマハ株式会社 Ａ／ｄ変換装置
JP2924373B2 (ja) * 1990-11-02 1999-07-26 日本電気株式会社 Ａ／ｄ変換回路
US5250948A (en) * 1991-12-19 1993-10-05 Eastman Kodak Company High level resolution enhancement for dual-range A/D conversion
US5231398A (en) * 1992-04-24 1993-07-27 Panasonic Technologies, Inc. Method and apparatus for self-tracking multiple analog to digital conversion

Also Published As

Publication number Publication date
US5600317A (en) 1997-02-04
EP0707383A1 (de) 1996-04-17
EP0707383B1 (de) 2002-05-02

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