DE69827039D1 - Pulzreferiertes steuerverfahren für verbesserte leistungsverstärkung eines pulsmodulierten signals - Google Patents

Pulzreferiertes steuerverfahren für verbesserte leistungsverstärkung eines pulsmodulierten signals

Info

Publication number
DE69827039D1
DE69827039D1 DE1998627039 DE69827039T DE69827039D1 DE 69827039 D1 DE69827039 D1 DE 69827039D1 DE 1998627039 DE1998627039 DE 1998627039 DE 69827039 T DE69827039 T DE 69827039T DE 69827039 D1 DE69827039 D1 DE 69827039D1
Authority
DE
Germany
Prior art keywords
pulse
error
correction unit
power conversion
block
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 - Lifetime
Application number
DE1998627039
Other languages
English (en)
Other versions
DE69827039T2 (de
Inventor
Olufsen Bang
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.)
ICEPower AS
Original Assignee
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 ICEPower AS filed Critical ICEPower AS
Publication of DE69827039D1 publication Critical patent/DE69827039D1/de
Application granted granted Critical
Publication of DE69827039T2 publication Critical patent/DE69827039T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/217—Class D power amplifiers; Switching amplifiers
DE69827039T 1997-04-02 1998-04-01 Pulsreferenziertes Steuerverfahren zur verbesserten Leistungsverstärkung eines pulsmodulierten Signals Expired - Lifetime DE69827039T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DK37597 1997-04-02
DK37597 1997-04-02
PCT/DK1998/000133 WO1998044626A2 (en) 1997-04-02 1998-04-01 Pulse referenced control method for enhanced power amplification of a pulse modulated signal

Publications (2)

Publication Number Publication Date
DE69827039D1 true DE69827039D1 (de) 2004-11-18
DE69827039T2 DE69827039T2 (de) 2006-02-09

Family

ID=8092799

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69827039T Expired - Lifetime DE69827039T2 (de) 1997-04-02 1998-04-01 Pulsreferenziertes Steuerverfahren zur verbesserten Leistungsverstärkung eines pulsmodulierten Signals

Country Status (10)

Country Link
US (1) US6768779B1 (de)
EP (1) EP1042865B8 (de)
JP (1) JP3346581B2 (de)
KR (1) KR100426422B1 (de)
CN (1) CN1123116C (de)
AT (1) ATE279811T1 (de)
AU (1) AU730339B2 (de)
CA (1) CA2285355C (de)
DE (1) DE69827039T2 (de)
WO (1) WO1998044626A2 (de)

Families Citing this family (90)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6362683B1 (en) * 1999-07-29 2002-03-26 Tripath Technology, Inc. Break-before-make distortion compensation for a digital amplifier
FI107659B (fi) 1999-11-26 2001-09-14 Nokia Mobile Phones Ltd Signaalin laadun parantaminen
US6995482B2 (en) 2000-01-05 2006-02-07 Freescale Semiconductor, Inc. Switching circuit and method therefor
US6441685B1 (en) 2000-03-17 2002-08-27 Jl Audio, Inc. Amplifier circuit and method for providing negative feedback thereto
AT410152B (de) 2000-06-07 2003-02-25 Bier Guenther Ing Verfahren und vorrichtung zur erzeugung einer einem eingangs-datenstrom folgenden wechselspannung
DE60035108T2 (de) 2000-08-29 2008-02-07 Stmicroelectronics S.R.L., Agrate Brianza Leistungsverstärkervorrichtung
SE0003342D0 (sv) * 2000-09-19 2000-09-19 Bang & Olufsen Powerhouse As Controlled self-oscillation modulator and power conversion system using such a modulator
US6362702B1 (en) 2000-09-29 2002-03-26 Bang & Olufsen Powerhouse A/S Controlled self-oscillation modulator and power conversion system using such a modulator
US6466087B2 (en) 2000-12-28 2002-10-15 Nokia Mobile Phones, Ltd. Method and apparatus providing digital error correction for a class D power stage
US7058463B1 (en) 2000-12-29 2006-06-06 Nokia Corporation Method and apparatus for implementing a class D driver and speaker system
US6462685B1 (en) 2001-04-05 2002-10-08 Nokia Corporation Dither signal insertion inversely proportional to signal level in delta-sigma modulators
US6504427B2 (en) * 2001-05-31 2003-01-07 Motorola, Inc. Switching amplifier having digital correction and method therefor
US6404280B1 (en) 2001-06-01 2002-06-11 Constel Signal Processing Co., Ltd. Method and system for low-distortion power amplification
US6473019B1 (en) 2001-06-21 2002-10-29 Nokia Corporation Low capacitance, low kickback noise input stage of a multi-level quantizer with dithering and multi-threshold generation for a multi-bit sigma-delta modulator
US6426714B1 (en) 2001-06-26 2002-07-30 Nokia Corporation Multi-level quantizer with current mode DEM switch matrices and separate DEM decision logic for a multibit sigma delta modulator
US6535155B2 (en) 2001-06-27 2003-03-18 Nokia Corporation Method and apparatus for suppressing tones induced by cyclic dynamic element matching (DEM) algorithms
US6577258B2 (en) 2001-10-01 2003-06-10 Nokia Corporation Adaptive sigma-delta data converter for mobile terminals
KR100434236B1 (ko) * 2001-10-11 2004-06-04 페어차일드코리아반도체 주식회사 모터 제어 구동 회로
CN1195353C (zh) * 2001-12-03 2005-03-30 方虎堂 脉冲面积调制数字功率处理方法及装置
US7142597B2 (en) * 2002-09-26 2006-11-28 Freescale Semiconductor, Inc. Full bridge integral noise shaping for quantization of pulse width modulation signals
CN1277351C (zh) 2002-10-03 2006-09-27 三菱电机株式会社 D类放大器
JP3776392B2 (ja) * 2002-10-03 2006-05-17 三菱電機株式会社 Ｄ級増幅器
DE10393487B3 (de) * 2002-11-27 2007-05-16 Infineon Technologies Ag Verfahren und Vorrichtung zur Korrektur von Signalverzerrungen in einer Verstärkereinrichtung
DE10255352B3 (de) * 2002-11-27 2004-02-12 Infineon Technologies Ag Verfahren und Vorrichtung zur Korrektur von Signalverzerrungen in einer Verstärkereinrichtung
EP1429454A1 (de) 2002-12-11 2004-06-16 Dialog Semiconductor GmbH Klasse-D Verstärker mit Schwerpunktausgleichseinrichtung
SE0300780D0 (sv) * 2003-03-24 2003-03-24 Bang & Olufsen Icepower As Digital pulse width controlled oscillation modulator
CN100492891C (zh) * 2003-04-07 2009-05-27 Nxp股份有限公司 数字放大器
US6768437B1 (en) 2003-06-24 2004-07-27 Nokia Corporation Switched voltage-mode dither signal generation for a sigma-delta modulator
US6922100B2 (en) * 2003-07-29 2005-07-26 Freescale Semiconductor, Inc. Method and apparatus for switching amplification having variable sample point and variable order correction
JP4561459B2 (ja) * 2004-04-30 2010-10-13 ヤマハ株式会社 Ｄ級増幅器
ATE435521T1 (de) 2004-10-28 2009-07-15 Camco Prod & Vertriebs Gmbh Geschalteter leistungsverstärker und verfahren zur verstärkung eines digitalen signals
GB2419757B (en) * 2004-11-01 2008-11-26 Zetex Plc A digital amplifier
JP2008520150A (ja) * 2004-11-12 2008-06-12 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ Ｐｗｍ入力信号を増幅する装置
TWI282211B (en) * 2005-01-17 2007-06-01 Realtek Semiconductor Corp Power amplifier and method for correcting error of output signals thereof
ATE419672T1 (de) * 2005-01-28 2009-01-15 Nxp Bv Anordnung zur verstärkung eines pwm- eingangssignals
JP4802765B2 (ja) * 2005-03-18 2011-10-26 ヤマハ株式会社 Ｄ級増幅器
KR101001115B1 (ko) * 2005-06-27 2010-12-14 퀄컴 인코포레이티드 각종 증폭 관련 동작을 수행하기 위해 증폭기를 구현 및이용하는 방법 및 장치
JP4688175B2 (ja) * 2005-07-21 2011-05-25 パイオニア株式会社 Ｄ級電力増幅装置
WO2007011012A1 (ja) * 2005-07-21 2007-01-25 Pioneer Corporation 電力増幅装置
JP4664364B2 (ja) * 2005-07-29 2011-04-06 富士通株式会社 遅延調整装置
GB2429351B (en) * 2005-08-17 2009-07-08 Wolfson Microelectronics Plc Feedback controller for PWM amplifier
US7167118B1 (en) * 2005-12-08 2007-01-23 Cirrus Logic, Inc. Centered-pulse consecutive edge modulation (CEM) method and apparatus
TWI336166B (en) * 2006-02-20 2011-01-11 Realtek Semiconductor Corp Digital amplifier and thereof method
US7180439B1 (en) * 2006-03-16 2007-02-20 Analog Devices, Inc. Multi-path digital power supply controller
KR100861797B1 (ko) * 2006-04-12 2008-10-08 재단법인서울대학교산학협력재단 펄스 변조를 이용한 고효율 선형 전력 증폭기 시스템에서 고조파 성분을 제거하는 장치
US7598714B2 (en) * 2006-07-12 2009-10-06 Harman International Industries, Incorporated Amplifier employing interleaved signals for PWM ripple suppression
KR100765792B1 (ko) * 2006-07-28 2007-10-12 삼성전자주식회사 스위칭 파워 앰프에서 에러 보정 방법 및 장치
DE102006055577B4 (de) * 2006-11-21 2014-03-20 Ihp Gmbh - Innovations For High Performance Microelectronics / Leibniz-Institut Für Innovative Mikroelektronik Sigma-Delta-Modulator mit Rückkopplung für Leistungsverstärker
JP5253413B2 (ja) * 2006-12-21 2013-07-31 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 Ｄ級電力段のためのエラー修正システム
EP2229726B1 (de) * 2007-12-07 2014-02-26 Nxp B.V. Sender mit einem impulsbreiten-impulspositions-modulator und verfahren dafür
US7777562B2 (en) * 2007-12-20 2010-08-17 Asahi Kasei Emd Corporation Distortion suppression circuit for digital class-D audio amplifier
US20090261902A1 (en) * 2008-04-17 2009-10-22 Freescale Semiconductor, Inc. Asynchronous Error Correction Circuit for Switching Amplifier
US7859331B2 (en) * 2008-05-21 2010-12-28 Silicon Laboratories Inc. Predictive feedback compensation for PWM switching amplifiers
US8995691B2 (en) 2008-07-14 2015-03-31 Audera Acoustics Inc. Audio amplifier
KR20100008749A (ko) 2008-07-16 2010-01-26 삼성전자주식회사 스위칭 파워 증폭 장치 및 그 제어 방법
DE102008054772B3 (de) 2008-12-16 2010-04-29 Ihp Gmbh - Innovations For High Performance Microelectronics / Leibniz-Institut Für Innovative Mikroelektronik Mixed-Signal Sendeschaltung für geschaltete Leistungsverstärker
JP5167196B2 (ja) * 2009-05-14 2013-03-21 シャープ株式会社 信号補正装置、音声処理装置及びパルス増幅方法
US8040181B2 (en) * 2009-06-30 2011-10-18 Maxim Integrated Products, Inc. Time delay compensation and pulse width correction
US8896376B2 (en) 2010-03-31 2014-11-25 Panasonic Corporation Digital amplifier
JP5903638B2 (ja) 2010-06-25 2016-04-13 パナソニックＩｐマネジメント株式会社 増幅装置
CN102045281B (zh) * 2010-09-23 2013-07-24 瑞声声学科技(深圳)有限公司 信号的调制方法
EP2618483A1 (de) * 2012-01-19 2013-07-24 Nxp B.V. System und Verfahren zum Betreiben eines geschalteten Modusverstärkers
JP6249204B2 (ja) * 2013-04-22 2017-12-20 国立大学法人 名古屋工業大学 パルス幅変調信号生成器およびフルデジタルアンプおよびデジタル−アナログ変換器
DE102015200442A1 (de) * 2015-01-14 2016-07-14 Robert Bosch Gmbh Einschaltverzögerung für eigensichere Batteriezellen
US10732714B2 (en) 2017-05-08 2020-08-04 Cirrus Logic, Inc. Integrated haptic system
US11259121B2 (en) 2017-07-21 2022-02-22 Cirrus Logic, Inc. Surface speaker
JP6817567B2 (ja) 2017-07-21 2021-01-20 パナソニックＩｐマネジメント株式会社 デジタルアンプ
WO2019131162A1 (ja) * 2017-12-27 2019-07-04 ソニーセミコンダクタソリューションズ株式会社 増幅器および信号処理回路
EP3743679B1 (de) 2018-01-23 2023-06-28 AMO Development, LLC Verfahren und systeme der optischen kohärenztomographie mit referenzsignal zur korrektur der nichtlinearität des abtastlasers
US10832537B2 (en) 2018-04-04 2020-11-10 Cirrus Logic, Inc. Methods and apparatus for outputting a haptic signal to a haptic transducer
US11269415B2 (en) 2018-08-14 2022-03-08 Cirrus Logic, Inc. Haptic output systems
GB201817495D0 (en) 2018-10-26 2018-12-12 Cirrus Logic Int Semiconductor Ltd A force sensing system and method
US10828672B2 (en) 2019-03-29 2020-11-10 Cirrus Logic, Inc. Driver circuitry
US11644370B2 (en) 2019-03-29 2023-05-09 Cirrus Logic, Inc. Force sensing with an electromagnetic load
US10992297B2 (en) 2019-03-29 2021-04-27 Cirrus Logic, Inc. Device comprising force sensors
US11283337B2 (en) 2019-03-29 2022-03-22 Cirrus Logic, Inc. Methods and systems for improving transducer dynamics
US10955955B2 (en) 2019-03-29 2021-03-23 Cirrus Logic, Inc. Controller for use in a device comprising force sensors
US10726683B1 (en) 2019-03-29 2020-07-28 Cirrus Logic, Inc. Identifying mechanical impedance of an electromagnetic load using a two-tone stimulus
US11509292B2 (en) 2019-03-29 2022-11-22 Cirrus Logic, Inc. Identifying mechanical impedance of an electromagnetic load using least-mean-squares filter
US10976825B2 (en) 2019-06-07 2021-04-13 Cirrus Logic, Inc. Methods and apparatuses for controlling operation of a vibrational output system and/or operation of an input sensor system
WO2020254788A1 (en) 2019-06-21 2020-12-24 Cirrus Logic International Semiconductor Limited A method and apparatus for configuring a plurality of virtual buttons on a device
US11408787B2 (en) 2019-10-15 2022-08-09 Cirrus Logic, Inc. Control methods for a force sensor system
US11380175B2 (en) 2019-10-24 2022-07-05 Cirrus Logic, Inc. Reproducibility of haptic waveform
US11545951B2 (en) * 2019-12-06 2023-01-03 Cirrus Logic, Inc. Methods and systems for detecting and managing amplifier instability
US11662821B2 (en) 2020-04-16 2023-05-30 Cirrus Logic, Inc. In-situ monitoring, calibration, and testing of a haptic actuator
US11933822B2 (en) 2021-06-16 2024-03-19 Cirrus Logic Inc. Methods and systems for in-system estimation of actuator parameters
US11765499B2 (en) 2021-06-22 2023-09-19 Cirrus Logic Inc. Methods and systems for managing mixed mode electromechanical actuator drive
US11908310B2 (en) 2021-06-22 2024-02-20 Cirrus Logic Inc. Methods and systems for detecting and managing unexpected spectral content in an amplifier system
CN113364323B (zh) * 2021-06-29 2022-06-07 中车青岛四方车辆研究所有限公司 一种基于脉冲密度的辅助变流器控制系统及其方法
US11552649B1 (en) 2021-12-03 2023-01-10 Cirrus Logic, Inc. Analog-to-digital converter-embedded fixed-phase variable gain amplifier stages for dual monitoring paths

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4140980A (en) 1978-02-24 1979-02-20 Rockwell International Corporation Compensation circuit for trailing edge distortion of pulse-width modulated signal
JPS6139708A (ja) 1984-07-31 1986-02-25 Akai Electric Co Ltd パルス幅変調アンプにおける電源電圧変動補正方法
US4724396A (en) 1984-08-21 1988-02-09 Peavey Electronics Corporation Digital audio amplifier
GB9027503D0 (en) 1990-12-19 1991-02-06 Sandler Mark B Improvements in or relating to digital to analogue conversion
US5077539A (en) * 1990-12-26 1991-12-31 Apogee Technology, Inc. Switching amplifier
US5389829A (en) * 1991-09-27 1995-02-14 Exar Corporation Output limiter for class-D BICMOS hearing aid output amplifier
ATE154180T1 (de) * 1992-03-31 1997-06-15 Siemens Audiologische Technik Schaltungsanordnung mit einem schaltverstärker
US5352986A (en) 1993-01-22 1994-10-04 Digital Fidelity, Inc. Closed loop power controller
GB9318238D0 (en) * 1993-09-02 1993-10-20 B & W Loudspeakers Digital converter
US5451893A (en) 1994-05-13 1995-09-19 Samsung Semiconductor, Inc. Programmable duty cycle converter
US5594324A (en) 1995-03-31 1997-01-14 Space Systems/Loral, Inc. Stabilized power converter having quantized duty cycle
US5617058A (en) * 1995-11-13 1997-04-01 Apogee Technology, Inc. Digital signal processing for linearization of small input signals to a tri-state power switch
ATE366483T1 (de) 1996-03-28 2007-07-15 Texas Instr Denmark As Umwandlung eines pcm-signals in ein gleichmässig pulsbreitenmoduliertes signal
US5963106A (en) * 1998-03-16 1999-10-05 Sonic Innovations, Inc. Double-sided pulse width modulator
US6466087B2 (en) * 2000-12-28 2002-10-15 Nokia Mobile Phones, Ltd. Method and apparatus providing digital error correction for a class D power stage

Also Published As

Publication number Publication date
CA2285355C (en) 2004-06-08
CA2285355A1 (en) 1998-10-08
WO1998044626A3 (en) 1999-01-28
AU6495098A (en) 1998-10-22
KR100426422B1 (ko) 2004-04-08
ATE279811T1 (de) 2004-10-15
CN1251697A (zh) 2000-04-26
KR20010005877A (ko) 2001-01-15
EP1042865A2 (de) 2000-10-11
EP1042865B1 (de) 2004-10-13
CN1123116C (zh) 2003-10-01
AU730339B2 (en) 2001-03-01
WO1998044626A2 (en) 1998-10-08
EP1042865B8 (de) 2005-01-19
JP3346581B2 (ja) 2002-11-18
JP2001517393A (ja) 2001-10-02
US6768779B1 (en) 2004-07-27
DE69827039T2 (de) 2006-02-09

Similar Documents

Publication Publication Date Title
DE69827039D1 (de) Pulzreferiertes steuerverfahren für verbesserte leistungsverstärkung eines pulsmodulierten signals
EP2041867B1 (de) Verstärker mit verschachtelten signalen für pwm-welligkeitsunterdrückung
EP0833443B1 (de) Schaltverstärker mit Zwei-Komparator-Modulation und Gegenkopplung
ATE380409T1 (de) Digitaler klasse-d-audioverstärker
KR20010071031A (ko) 증폭기에서 부호변환점 왜곡 및 잡음 감쇠방법, 이 방법과증폭기의 증폭기 및 이용
AU6340000A (en) Method and apparatus for linearizing an amplifier
EP1441447B1 (de) D/a-umsetzer und ausgangsverstärkungsschaltung
AU5181800A (en) Boost bridge amplifier
US7724082B2 (en) Method and apparatus for pulse width modulation in a switching amplifier
DE60002757D1 (de) Leistungsverstärker
CA2009775A1 (en) Audio amplifier with phase modulated pulse width modulation
TW344913B (en) Class D amplifier
US7795969B2 (en) Digital amplifier
GB2324888B (en) Adaptive controller for actuator systems
JPS6155283B2 (de)
JPH02234503A (ja) 電力増幅器
MXPA99009025A (en) Pulse referenced control method for enhanced power amplification of a pulse modulated signal
JPH09223935A (ja) 搬送波ｐｄｍ形振幅変調装置
GR980100264A (el) Συστημα μετασχηματισμου και διορθωσης ψηφιακων ηχητικων σηματων
KR970055651A (ko) 피드포워드 방식의 선형화회로
CS215458B1 (cs) Zapojení opakovače digitálního signál
CS216480B1 (cs) Zapojení opakovače digitálního signálu

Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: BANG & OLUFSEN ICEPOWER A/S, LYNGBY, DK

8364 No opposition during term of opposition