ATE422730T1 - Digitaler impulsbreitengesteuerter oszillationsmodulator - Google Patents

Digitaler impulsbreitengesteuerter oszillationsmodulator

Info

Publication number
ATE422730T1
ATE422730T1 AT04722600T AT04722600T ATE422730T1 AT E422730 T1 ATE422730 T1 AT E422730T1 AT 04722600 T AT04722600 T AT 04722600T AT 04722600 T AT04722600 T AT 04722600T AT E422730 T1 ATE422730 T1 AT E422730T1
Authority
AT
Austria
Prior art keywords
pulse width
modulator
pwm signal
digital pulse
controlled oscillation
Prior art date
Application number
AT04722600T
Other languages
English (en)
Inventor
Ole Nielsen
Original Assignee
Bang & Olufsen Icepower As
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 Bang & Olufsen Icepower As filed Critical Bang & Olufsen Icepower As
Application granted granted Critical
Publication of ATE422730T1 publication Critical patent/ATE422730T1/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M5/00—Conversion of the form of the representation of individual digits
    • H03M5/02—Conversion to or from representation by pulses
    • H03M5/04—Conversion to or from representation by pulses the pulses having two levels
    • H03M5/06—Code representation, e.g. transition, for a given bit cell depending only on the information in that bit cell
    • H03M5/08—Code representation by pulse width
    • 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
    • H03M3/506—Details of the final digital/analogue conversion following the digital delta-sigma modulation the final digital/analogue converter being constituted by a pulse width modulator
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3002—Conversion to or from differential modulation
    • H03M7/3004—Digital delta-sigma modulation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3002—Conversion to or from differential modulation
    • H03M7/3004—Digital delta-sigma modulation
    • H03M7/3015—Structural details of digital delta-sigma modulators
    • H03M7/302—Structural details of digital delta-sigma modulators characterised by the number of quantisers and their type and resolution
    • H03M7/3024—Structural details of digital delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only
    • H03M7/3028—Structural details of digital 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
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3002—Conversion to or from differential modulation
    • H03M7/3004—Digital delta-sigma modulation
    • H03M7/3015—Structural details of digital delta-sigma modulators
    • H03M7/3031—Structural details of digital delta-sigma modulators characterised by the order of the loop filter, e.g. having a first order loop filter in the feedforward path
    • H03M7/3033—Structural details of digital delta-sigma modulators characterised by the order of the loop filter, e.g. having a first order loop filter in the feedforward path the modulator having a higher order loop filter in the feedforward path, e.g. with distributed feedforward inputs
    • H03M7/304—Structural details of digital delta-sigma modulators characterised by the order of the loop filter, e.g. having a first order loop filter in the feedforward path the modulator having a higher order loop filter in the feedforward path, e.g. with distributed feedforward inputs with distributed feedback, i.e. with feedback paths from the quantiser output to more than one filter stage

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Amplifiers (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Dc-Dc Converters (AREA)
  • Analogue/Digital Conversion (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Medicines Containing Plant Substances (AREA)
AT04722600T 2003-03-24 2004-03-23 Digitaler impulsbreitengesteuerter oszillationsmodulator ATE422730T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0300780A SE0300780D0 (sv) 2003-03-24 2003-03-24 Digital pulse width controlled oscillation modulator

Publications (1)

Publication Number Publication Date
ATE422730T1 true ATE422730T1 (de) 2009-02-15

Family

ID=20290741

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04722600T ATE422730T1 (de) 2003-03-24 2004-03-23 Digitaler impulsbreitengesteuerter oszillationsmodulator

Country Status (12)

Country Link
US (1) US7479840B2 (de)
EP (1) EP1606885B1 (de)
JP (1) JP4477623B2 (de)
KR (1) KR101076636B1 (de)
CN (1) CN1765055B (de)
AT (1) ATE422730T1 (de)
AU (1) AU2004223010B2 (de)
CA (1) CA2519884A1 (de)
DE (1) DE602004019401D1 (de)
ES (1) ES2319423T3 (de)
SE (1) SE0300780D0 (de)
WO (1) WO2004086629A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007098766A1 (en) * 2006-03-01 2007-09-07 Danmarks Teknishe Universitet Digital self-oscillating modulator
US7868803B2 (en) * 2006-10-13 2011-01-11 Panasonic Corporation Semiconductor device having ΔΣ modulator, and semiconductor system
US7714675B2 (en) * 2006-12-05 2010-05-11 Broadcom Corporation All digital Class-D modulator and its saturation protection techniques
KR100963847B1 (ko) * 2008-02-12 2010-06-16 주식회사 씨자인 교차 입력신호 변조기
TW201015863A (en) * 2008-10-07 2010-04-16 Unisonic Technologies Co Ltd PWM control circuit using city power-line electricity frequency modulation to reduce electromagnetic interference and method thereof
JP5413216B2 (ja) * 2010-01-25 2014-02-12 富士通株式会社 遅延時間差測定回路
US8081041B2 (en) * 2010-02-19 2011-12-20 Exar Corporation Glue-logic based method and system for minimizing losses in oversampled digitally controlled DC-DC converters
CN110850923B (zh) * 2014-05-22 2022-05-13 德克萨斯仪器股份有限公司 具有双计数器数字积分器的直流到直流转换器控制器装置
EP3416285B1 (de) * 2017-06-16 2021-06-02 ICEpower a/s Selbstschwingendes verstärkersystem

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05304475A (ja) * 1992-04-10 1993-11-16 Nec Corp ノイズシェイパ
JP4097700B2 (ja) 1996-03-28 2008-06-11 テキサス インストルメンツ デンマーク エイ／エス Ｐｃｍ信号のｕｐｗｍ信号への変換方法
US5777512A (en) * 1996-06-20 1998-07-07 Tripath Technology, Inc. Method and apparatus for oversampled, noise-shaping, mixed-signal processing
US5886586A (en) * 1996-09-06 1999-03-23 The Regents Of The University Of California General constant frequency pulse-width modulators
CA2285355C (en) * 1997-04-02 2004-06-08 Karsten Nielsen Pulse referenced control method for enhanced power amplification of a pulse modulated signal
US6390579B1 (en) * 1999-04-15 2002-05-21 Hewlett-Packard Company Pulse width modulator using delay-line technology with automatic calibration of delays to desired operating frequency
SE0003342D0 (sv) * 2000-09-19 2000-09-19 Bang & Olufsen Powerhouse As Controlled self-oscillation modulator and power conversion system using such a modulator
GB0110340D0 (en) * 2001-04-27 2001-06-20 Watts Robert D A signal processing circuit

Also Published As

Publication number Publication date
CN1765055B (zh) 2012-01-11
JP2006521736A (ja) 2006-09-21
EP1606885B1 (de) 2009-02-11
AU2004223010B2 (en) 2006-12-07
AU2004223010A1 (en) 2004-10-07
US7479840B2 (en) 2009-01-20
JP4477623B2 (ja) 2010-06-09
CN1765055A (zh) 2006-04-26
DE602004019401D1 (de) 2009-03-26
KR20060005346A (ko) 2006-01-17
EP1606885A1 (de) 2005-12-21
ES2319423T3 (es) 2009-05-07
CA2519884A1 (en) 2004-10-07
US20060232351A1 (en) 2006-10-19
WO2004086629A1 (en) 2004-10-07
SE0300780D0 (sv) 2003-03-24
KR101076636B1 (ko) 2011-10-26

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