JP4477623B2 - デジタルパルス幅制御式振動モジュレータ - Google Patents

デジタルパルス幅制御式振動モジュレータ Download PDF

Info

Publication number
JP4477623B2
JP4477623B2 JP2006506372A JP2006506372A JP4477623B2 JP 4477623 B2 JP4477623 B2 JP 4477623B2 JP 2006506372 A JP2006506372 A JP 2006506372A JP 2006506372 A JP2006506372 A JP 2006506372A JP 4477623 B2 JP4477623 B2 JP 4477623B2
Authority
JP
Japan
Prior art keywords
modulator
integrator
gain
output
comparator
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.)
Expired - Fee Related
Application number
JP2006506372A
Other languages
English (en)
Japanese (ja)
Other versions
JP2006521736A (ja
JP2006521736A5 (enExample
Inventor
オレ ニース ニールセン
Original Assignee
バング アンド オルフセン アイスパワー アクティーゼルスカブ
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 バング アンド オルフセン アイスパワー アクティーゼルスカブ filed Critical バング アンド オルフセン アイスパワー アクティーゼルスカブ
Publication of JP2006521736A publication Critical patent/JP2006521736A/ja
Publication of JP2006521736A5 publication Critical patent/JP2006521736A5/ja
Application granted granted Critical
Publication of JP4477623B2 publication Critical patent/JP4477623B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

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)
JP2006506372A 2003-03-24 2004-03-23 デジタルパルス幅制御式振動モジュレータ Expired - Fee Related JP4477623B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0300780A SE0300780D0 (sv) 2003-03-24 2003-03-24 Digital pulse width controlled oscillation modulator
PCT/IB2004/000852 WO2004086629A1 (en) 2003-03-24 2004-03-23 Digital pulse width controlled oscillation modulator

Publications (3)

Publication Number Publication Date
JP2006521736A JP2006521736A (ja) 2006-09-21
JP2006521736A5 JP2006521736A5 (enExample) 2009-12-17
JP4477623B2 true JP4477623B2 (ja) 2010-06-09

Family

ID=20290741

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2006506372A Expired - Fee Related JP4477623B2 (ja) 2003-03-24 2004-03-23 デジタルパルス幅制御式振動モジュレータ

Country Status (12)

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

Families Citing this family (10)

* 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 (en) * 2017-06-16 2021-06-02 ICEpower a/s Self-oscillating amplifier system
KR102905493B1 (ko) * 2019-12-26 2025-12-29 시냅틱스 인코포레이티드 저 지연, 저 전력 및 고 선형성 클래스-d 변조 루프

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
ATE366483T1 (de) 1996-03-28 2007-07-15 Texas Instr Denmark As Umwandlung eines pcm-signals in ein gleichmässig pulsbreitenmoduliertes signal
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
EP1042865B8 (en) * 1997-04-02 2005-01-19 Bang & Olufsen Icepower A/S 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
KR20060005346A (ko) 2006-01-17
EP1606885A1 (en) 2005-12-21
CA2519884A1 (en) 2004-10-07
EP1606885B1 (en) 2009-02-11
WO2004086629A1 (en) 2004-10-07
US20060232351A1 (en) 2006-10-19
US7479840B2 (en) 2009-01-20
AU2004223010A1 (en) 2004-10-07
AU2004223010B2 (en) 2006-12-07
ATE422730T1 (de) 2009-02-15
JP2006521736A (ja) 2006-09-21
KR101076636B1 (ko) 2011-10-26
ES2319423T3 (es) 2009-05-07
CN1765055B (zh) 2012-01-11
DE602004019401D1 (de) 2009-03-26
CN1765055A (zh) 2006-04-26
SE0300780D0 (sv) 2003-03-24

Similar Documents

Publication Publication Date Title
US7276963B2 (en) Switching power amplifier and method for amplifying a digital input signal
US7058464B2 (en) Device and method for signal processing
US7612608B2 (en) Sigma-delta based Class D audio or servo amplifier with load noise shaping
US7605653B2 (en) Sigma-delta based class D audio power amplifier with high power efficiency
US20080297382A1 (en) Pulse-width modulation of pulse-code modulated signals at selectable or dynamically varying sample rates
JP2011528526A (ja) スイッチングパワー増幅装置及びその制御方法
US8299866B2 (en) Method and device including signal processing for pulse width modulation
JP2006521736A (ja) デジタルパルス幅制御式振動モジュレータ
CN102694553B (zh) 数据转换器电路和方法
JP4444037B2 (ja) デジタルパルス幅変調信号発生器
JP4660778B2 (ja) Ｐｗｍ信号生成器、ｐｗｍ信号生成装置およびデジタルアンプ
CN109756193B (zh) 使用扩谱调制进行pwm波调制的d类数字音频功放系统
JP4564912B2 (ja) 信号再生装置
US11088662B2 (en) Digital amplifier and output device
JP2019024153A (ja) デジタルアンプ
TWI806701B (zh) 放大器系統
CN102823128A (zh) 数字放大器
JP4568671B2 (ja) 信号再生装置
CN117459004A (zh) 放大器系统
JP2011029787A (ja) 信号処理装置
JP2012204923A (ja) デジタルアンプ
JP2008520150A (ja) Ｐｗｍ入力信号を増幅する装置
TW200803156A (en) Sigma-delta power amplifier and its modulation method
JP2006222660A (ja) Ａ／ｄ変換器、ｄ／ａ変換器及び伝送装置

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20070322

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20090721

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20091009

A524 Written submission of copy of amendment under article 19 pct

Free format text: JAPANESE INTERMEDIATE CODE: A524

Effective date: 20091009

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20100301

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20100311

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130319

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130319

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20140319

Year of fee payment: 4

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees