GB2436180B - Digital-to-analogue converter - Google Patents

Digital-to-analogue converter

Info

Publication number
GB2436180B
GB2436180B GB0701858A GB0701858A GB2436180B GB 2436180 B GB2436180 B GB 2436180B GB 0701858 A GB0701858 A GB 0701858A GB 0701858 A GB0701858 A GB 0701858A GB 2436180 B GB2436180 B GB 2436180B
Authority
GB
United Kingdom
Prior art keywords
digital
analogue converter
analogue
converter
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.)
Active
Application number
GB0701858A
Other versions
GB2436180A (en
GB0701858D0 (en
GB2436180A9 (en
Inventor
Anthony James Magrath
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.)
Cirrus Logic International UK Ltd
Original Assignee
Wolfson Microelectronics PLC
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 Wolfson Microelectronics PLC filed Critical Wolfson Microelectronics PLC
Priority to GB0701858A priority Critical patent/GB2436180B/en
Publication of GB0701858D0 publication Critical patent/GB0701858D0/en
Priority to US11/822,565 priority patent/US7508331B2/en
Publication of GB2436180A publication Critical patent/GB2436180A/en
Publication of GB2436180A9 publication Critical patent/GB2436180A9/en
Application granted granted Critical
Publication of GB2436180B publication Critical patent/GB2436180B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133603—Direct backlight with LEDs
    • 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
    • H03M1/72—Sequential conversion in series-connected stages
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133605—Direct backlight including specially adapted reflectors
    • 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]

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
GB0701858A 2007-01-31 2007-01-31 Digital-to-analogue converter Active GB2436180B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0701858A GB2436180B (en) 2007-01-31 2007-01-31 Digital-to-analogue converter
US11/822,565 US7508331B2 (en) 2007-01-31 2007-07-06 Digital-to-analog converter with dynamic element matching to minimize mismatch error

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0701858A GB2436180B (en) 2007-01-31 2007-01-31 Digital-to-analogue converter

Publications (4)

Publication Number Publication Date
GB0701858D0 GB0701858D0 (en) 2007-03-14
GB2436180A GB2436180A (en) 2007-09-19
GB2436180A9 GB2436180A9 (en) 2007-10-16
GB2436180B true GB2436180B (en) 2008-07-09

Family

ID=37891053

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0701858A Active GB2436180B (en) 2007-01-31 2007-01-31 Digital-to-analogue converter

Country Status (1)

Country Link
GB (1) GB2436180B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6583742B1 (en) * 1998-02-26 2003-06-24 Wolfson Microelectronics Limited Digital to analogue converter with dynamic element matching
US20040032355A1 (en) * 2002-08-15 2004-02-19 Cirrus Logic, Inc. Method and system of integrating a mismatch noise shaper into the main loop of a delta-sigma modulator

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6583742B1 (en) * 1998-02-26 2003-06-24 Wolfson Microelectronics Limited Digital to analogue converter with dynamic element matching
US20040032355A1 (en) * 2002-08-15 2004-02-19 Cirrus Logic, Inc. Method and system of integrating a mismatch noise shaper into the main loop of a delta-sigma modulator

Also Published As

Publication number Publication date
GB2436180A (en) 2007-09-19
GB0701858D0 (en) 2007-03-14
GB2436180A9 (en) 2007-10-16

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20150820 AND 20150826