GB202403547D0 - Finite impulse response input digital-to-analog converter - Google Patents

Finite impulse response input digital-to-analog converter

Info

Publication number
GB202403547D0
GB202403547D0 GBGB2403547.9A GB202403547A GB202403547D0 GB 202403547 D0 GB202403547 D0 GB 202403547D0 GB 202403547 A GB202403547 A GB 202403547A GB 202403547 D0 GB202403547 D0 GB 202403547D0
Authority
GB
United Kingdom
Prior art keywords
analog converter
impulse response
input digital
finite impulse
response input
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.)
Pending
Application number
GBGB2403547.9A
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 Semiconductor Ltd
Original Assignee
Cirrus Logic International Semiconductor 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 Cirrus Logic International Semiconductor Ltd filed Critical Cirrus Logic International Semiconductor Ltd
Priority claimed from US17/980,146 external-priority patent/US20230132510A1/en
Publication of GB202403547D0 publication Critical patent/GB202403547D0/en
Pending 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
    • H03M1/66—Digital/analogue converters
    • H03M1/74—Simultaneous conversion
    • H03M1/742—Simultaneous conversion using current sources as quantisation value generators
    • 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
    • H03M1/74—Simultaneous conversion
    • H03M1/80—Simultaneous conversion using weighted impedances
    • H03M1/808—Simultaneous conversion using weighted impedances using resistors
    • 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
    • H03M3/504—Details of the final digital/analogue conversion following the digital delta-sigma modulation the final digital/analogue converter being constituted by a finite impulse response [FIR] filter, i.e. FIRDAC

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Analogue/Digital Conversion (AREA)
GBGB2403547.9A 2021-11-03 2022-11-03 Finite impulse response input digital-to-analog converter Pending GB202403547D0 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US202163275161P 2021-11-03 2021-11-03
US202163277812P 2021-11-10 2021-11-10
US17/980,146 US20230132510A1 (en) 2021-11-03 2022-11-03 Finite impulse response input digital-to-analog converter
PCT/US2022/048846 WO2023081296A1 (en) 2021-11-03 2022-11-03 Finite impulse response input digital-to-analog converter

Publications (1)

Publication Number Publication Date
GB202403547D0 true GB202403547D0 (en) 2024-04-24

Family

ID=84536997

Family Applications (1)

Application Number Title Priority Date Filing Date
GBGB2403547.9A Pending GB202403547D0 (en) 2021-11-03 2022-11-03 Finite impulse response input digital-to-analog converter

Country Status (2)

Country Link
GB (1) GB202403547D0 (en)
WO (1) WO2023081296A1 (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8766840B2 (en) * 2012-08-29 2014-07-01 Taiwan Semiconductor Manufacturing Co., Ltd. System and method for a high resolution digital input class D amplifier with feedback

Also Published As

Publication number Publication date
WO2023081296A1 (en) 2023-05-11

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