GB2541861A - Digital to analogue conversion - Google Patents

Digital to analogue conversion Download PDF

Info

Publication number
GB2541861A
GB2541861A GB1509325.5A GB201509325A GB2541861A GB 2541861 A GB2541861 A GB 2541861A GB 201509325 A GB201509325 A GB 201509325A GB 2541861 A GB2541861 A GB 2541861A
Authority
GB
United Kingdom
Prior art keywords
dacs
analogue
digital signal
signal
dac
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.)
Withdrawn
Application number
GB1509325.5A
Other languages
English (en)
Other versions
GB201509325D0 (en
Inventor
Robert Stuart John
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.)
MQA Ltd
Original Assignee
MQA Ltd
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 MQA Ltd filed Critical MQA Ltd
Priority to GB1509325.5A priority Critical patent/GB2541861A/en
Publication of GB201509325D0 publication Critical patent/GB201509325D0/en
Priority to US15/577,637 priority patent/US10224950B2/en
Priority to JP2018513922A priority patent/JP2018516518A/ja
Priority to EP16726634.5A priority patent/EP3304745A1/en
Priority to GB1721657.3A priority patent/GB2562555A/en
Priority to PCT/GB2016/051534 priority patent/WO2016193677A1/en
Publication of GB2541861A publication Critical patent/GB2541861A/en
Withdrawn legal-status Critical Current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
    • H03M1/661—Improving the reconstruction of the analogue output signal beyond the resolution of the digital input signal, e.g. by interpolation, by curve-fitting, by smoothing
    • 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
    • H03M1/0602—Continuously compensating for, or preventing, undesired influence of physical parameters of deviations from the desired transfer characteristic
    • H03M1/0612—Continuously compensating for, or preventing, undesired influence of physical parameters of deviations from the desired transfer characteristic over the full range of the converter, e.g. for correcting differential non-linearity
    • 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
    • H03M1/0636—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 amplitude domain
    • H03M1/0639—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 amplitude domain using dither, e.g. using triangular or sawtooth waveforms
    • 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
    • H03M1/0636—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 amplitude domain
    • H03M1/0639—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 amplitude domain using dither, e.g. using triangular or sawtooth waveforms
    • H03M1/0641—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 amplitude domain using dither, e.g. using triangular or sawtooth waveforms the dither being a 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
    • H03M3/04—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
    • H03M1/0675—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 using redundancy
    • H03M1/0678—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 using redundancy using additional components or elements, e.g. dummy components
    • H03M1/068—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 using redundancy using additional components or elements, e.g. dummy components the original and additional components or elements being complementary to each other, e.g. CMOS

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Analogue/Digital Conversion (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
GB1509325.5A 2015-05-29 2015-05-29 Digital to analogue conversion Withdrawn GB2541861A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB1509325.5A GB2541861A (en) 2015-05-29 2015-05-29 Digital to analogue conversion
US15/577,637 US10224950B2 (en) 2015-05-29 2016-05-26 Digital to analogue conversion
JP2018513922A JP2018516518A (ja) 2015-05-29 2016-05-26 デジタル・アナログ変換
EP16726634.5A EP3304745A1 (en) 2015-05-29 2016-05-26 Digital to analogue conversion
GB1721657.3A GB2562555A (en) 2015-05-29 2016-05-26 Digital to analogue conversion
PCT/GB2016/051534 WO2016193677A1 (en) 2015-05-29 2016-05-26 Digital to analogue conversion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1509325.5A GB2541861A (en) 2015-05-29 2015-05-29 Digital to analogue conversion

Publications (2)

Publication Number Publication Date
GB201509325D0 GB201509325D0 (en) 2015-07-15
GB2541861A true GB2541861A (en) 2017-03-08

Family

ID=53677471

Family Applications (2)

Application Number Title Priority Date Filing Date
GB1509325.5A Withdrawn GB2541861A (en) 2015-05-29 2015-05-29 Digital to analogue conversion
GB1721657.3A Withdrawn GB2562555A (en) 2015-05-29 2016-05-26 Digital to analogue conversion

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB1721657.3A Withdrawn GB2562555A (en) 2015-05-29 2016-05-26 Digital to analogue conversion

Country Status (5)

Country Link
US (1) US10224950B2 (https=)
EP (1) EP3304745A1 (https=)
JP (1) JP2018516518A (https=)
GB (2) GB2541861A (https=)
WO (1) WO2016193677A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017124818A1 (de) * 2017-10-24 2019-04-25 Infineon Technologies Ag Verfahren und Vorrichtung zur Signalumformung

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3089370B1 (fr) * 2018-11-29 2020-11-27 Teledyne E2V Semiconductors Sas Dispositif de génération de signaux analogiques
US11909411B2 (en) * 2021-09-23 2024-02-20 Viavi Solutions Inc. Reducing spurs in analog to digital and digital to analog conversions
US11921927B1 (en) * 2021-10-14 2024-03-05 Rockwell Collins, Inc. Dynamic and context aware cabin touch-screen control module

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4897654A (en) * 1987-10-30 1990-01-30 Ryoichi Mori Digital-analog converting method, and apparatus therefor
GB2250148A (en) * 1990-11-15 1992-05-27 Sony Corp Conversion between analog and digital signals
US20050225464A1 (en) * 2004-04-09 2005-10-13 Heng-Chih Lin Current switching arrangement for D.A.C. reconstruction filtering
US20130234873A1 (en) * 2012-03-07 2013-09-12 Telefonaktiebolaget Lm Ericsson (Publ) Low Complexity High-Speed Multi-DAC System

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0810827B2 (ja) * 1986-02-28 1996-01-31 ティアツク株式会社 ディジタル―アナログ変換装置
JPS63224521A (ja) * 1987-03-13 1988-09-19 Nippon Precision Saakitsutsu Kk Ｄ／ａ変換装置
JPH02134010A (ja) 1988-11-15 1990-05-23 Sony Corp 信号処理装置
JP2602331B2 (ja) * 1989-07-31 1997-04-23 株式会社ケンウッド Ｄ／ａ変換装置
JPH07177029A (ja) * 1992-02-13 1995-07-14 Meidensha Corp Ｄ−ａコンバータ回路
JP2550839B2 (ja) * 1992-09-14 1996-11-06 ティアック株式会社 ディジタル−アナログ変換装置
JP2004164845A (ja) * 1996-04-26 2004-06-10 Victor Co Of Japan Ltd 符号情報のコピー防止方法
JP4493145B2 (ja) * 2000-02-24 2010-06-30 ヴェリジー（シンガポール） プライベート リミテッド 任意波形発生器
US7812751B2 (en) * 2007-09-26 2010-10-12 Nokia Corporation Method and device for digital-to-analog conversion with filtering
US7868806B2 (en) * 2008-03-07 2011-01-11 Qualcomm Incorporated Apparatus and method for dynamic circuit element selection in an digital-to-analog converter
US7714759B1 (en) * 2008-10-20 2010-05-11 Telefonaktiebolaget Lm Ericsson (Publ) Low power linear interpolation digital-to-analog conversion
US8350741B2 (en) * 2011-01-31 2013-01-08 Agilent Technologies, Inc. Device and method for driving digital-to-analog converter
US9007250B1 (en) * 2013-10-22 2015-04-14 L-3 Communications Corp. Time-interleaved and sub-band reconstruction approaches to digital-to-analog conversion for high sample rate waveform generation

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4897654A (en) * 1987-10-30 1990-01-30 Ryoichi Mori Digital-analog converting method, and apparatus therefor
GB2250148A (en) * 1990-11-15 1992-05-27 Sony Corp Conversion between analog and digital signals
US20050225464A1 (en) * 2004-04-09 2005-10-13 Heng-Chih Lin Current switching arrangement for D.A.C. reconstruction filtering
US20130234873A1 (en) * 2012-03-07 2013-09-12 Telefonaktiebolaget Lm Ericsson (Publ) Low Complexity High-Speed Multi-DAC System

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017124818A1 (de) * 2017-10-24 2019-04-25 Infineon Technologies Ag Verfahren und Vorrichtung zur Signalumformung
DE102017124818B4 (de) 2017-10-24 2022-12-22 Infineon Technologies Ag Verfahren und Vorrichtung zur Signalumformung

Also Published As

Publication number Publication date
US10224950B2 (en) 2019-03-05
WO2016193677A1 (en) 2016-12-08
GB201509325D0 (en) 2015-07-15
EP3304745A1 (en) 2018-04-11
US20180167081A1 (en) 2018-06-14
JP2018516518A (ja) 2018-06-21
GB2562555A (en) 2018-11-21
GB201721657D0 (en) 2018-02-07

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WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)