DE60228962D1 - Klasse-D-Verstärker mit digitaler Rückkopplung - Google Patents

Klasse-D-Verstärker mit digitaler Rückkopplung

Info

Publication number
DE60228962D1
DE60228962D1 DE60228962T DE60228962T DE60228962D1 DE 60228962 D1 DE60228962 D1 DE 60228962D1 DE 60228962 T DE60228962 T DE 60228962T DE 60228962 T DE60228962 T DE 60228962T DE 60228962 D1 DE60228962 D1 DE 60228962D1
Authority
DE
Germany
Prior art keywords
class
amplifier
pulse area
digital feedback
pulse
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
DE60228962T
Other languages
English (en)
Inventor
Lars Lennartson
Johan Nilson
Horst Knoedgen
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.)
Dialog Semiconductor GmbH
Original Assignee
Dialog Semiconductor GmbH
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 Dialog Semiconductor GmbH filed Critical Dialog Semiconductor GmbH
Application granted granted Critical
Publication of DE60228962D1 publication Critical patent/DE60228962D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • 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
    • H03F3/2175—Class D power amplifiers; Switching amplifiers using analogue-digital or digital-analogue conversion
    • 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
    • H03M3/322—Continuously compensating for, or preventing, undesired influence of physical parameters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/331—Sigma delta modulation being used in an amplifying circuit
    • 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
    • H03M3/458—Analogue/digital converters using delta-sigma modulation as an intermediate step
DE60228962T 2002-10-02 2002-10-02 Klasse-D-Verstärker mit digitaler Rückkopplung Expired - Fee Related DE60228962D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02368108A EP1406381B1 (de) 2002-10-02 2002-10-02 Klasse-D-Verstärker mit digitaler Rückkopplung

Publications (1)

Publication Number Publication Date
DE60228962D1 true DE60228962D1 (de) 2008-10-30

Family

ID=31985162

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60228962T Expired - Fee Related DE60228962D1 (de) 2002-10-02 2002-10-02 Klasse-D-Verstärker mit digitaler Rückkopplung

Country Status (7)

Country Link
US (1) US6759899B2 (de)
EP (1) EP1406381B1 (de)
JP (1) JP2004274712A (de)
KR (1) KR20040030377A (de)
AT (1) ATE408929T1 (de)
DE (1) DE60228962D1 (de)
DK (1) DK1406381T3 (de)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050229003A1 (en) * 2004-04-09 2005-10-13 Miles Paschini System and method for distributing personal identification numbers over a computer network
US7676030B2 (en) * 2002-12-10 2010-03-09 Ewi Holdings, Inc. System and method for personal identification number distribution and delivery
US10205721B2 (en) * 2002-12-10 2019-02-12 Ewi Holdings, Inc. System and method for distributing personal identification numbers over a computer network
WO2004107280A2 (en) 2003-05-28 2004-12-09 Ewi Holdings, Inc. System and method for electronic prepaid account replenishment
US7023267B2 (en) * 2004-02-17 2006-04-04 Prophesi Technologies, Inc. Switching power amplifier using a frequency translating delta sigma modulator
US7280644B2 (en) * 2004-12-07 2007-10-09 Ewi Holdings, Inc. Transaction processing platform for faciliating electronic distribution of plural prepaid services
US11475436B2 (en) 2010-01-08 2022-10-18 Blackhawk Network, Inc. System and method for providing a security code
US11599873B2 (en) 2010-01-08 2023-03-07 Blackhawk Network, Inc. Systems and methods for proxy card and/or wallet redemption card transactions
US20060045244A1 (en) * 2004-08-24 2006-03-02 Darren New Method and apparatus for receipt printing and information display in a personal identification number delivery system
US7023269B2 (en) 2004-09-08 2006-04-04 Gpe International Limited Digital amplifier and methods for enhancing resolution and dynamic range of a digital amplifier
JP2006238293A (ja) * 2005-02-28 2006-09-07 Yamaha Corp 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
US7289050B1 (en) * 2005-06-27 2007-10-30 Qualcomm Incorporated Amplification method and apparatus
US7286009B2 (en) * 2005-12-30 2007-10-23 D2Audio Corporation Digital PWM amplifier with simulation-based feedback
US7576606B2 (en) 2007-07-25 2009-08-18 D2Audio Corporation Digital PWM amplifier having a low delay corrector
US7362254B2 (en) * 2006-01-31 2008-04-22 D2Audio Corporation Systems and methods for minimizing delay in a control path
KR100710509B1 (ko) * 2006-04-11 2007-04-25 남상욱 펄스면적변조를 이용한 고효율 선형 전력증폭기 시스템
US20080000431A1 (en) * 2006-06-29 2008-01-03 Stephen Longo Dog leash assembly
US10296895B2 (en) 2010-01-08 2019-05-21 Blackhawk Network, Inc. System for processing, activating and redeeming value added prepaid cards
WO2011085241A1 (en) 2010-01-08 2011-07-14 Blackhawk Network, Inc. A system for processing, activating and redeeming value added prepaid cards
US7605653B2 (en) * 2006-08-16 2009-10-20 Intrinsix Corporation Sigma-delta based class D audio power amplifier with high power efficiency
US7612608B2 (en) * 2006-08-16 2009-11-03 Intrinsix Corporation Sigma-delta based Class D audio or servo amplifier with load noise shaping
CN101136616B (zh) * 2006-08-30 2010-12-01 凌浩科技股份有限公司 西格玛-德尔塔型功率放大器及其调变方法
KR100796319B1 (ko) * 2006-10-02 2008-01-21 엘리트 세미컨덕터 메모리 테크놀로지 인코퍼레이티드 하프 스윙 펄스폭 변조를 이용한 ｄ급 오디오 증폭기
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
KR100855685B1 (ko) 2007-04-02 2008-09-03 주식회사 디엠비테크놀로지 다이렉트 디지털 ｄ급 증폭기를 이용한 오디오 시스템
US7728658B2 (en) 2007-07-25 2010-06-01 D2Audio Corporation Low-noise, low-distortion digital PWM amplifier
KR101008930B1 (ko) * 2008-10-09 2011-01-17 박혜은 밤 껍질 탈피 장치
KR20110036371A (ko) 2009-10-01 2011-04-07 삼성전자주식회사 오디오 증폭기
US10037526B2 (en) 2010-01-08 2018-07-31 Blackhawk Network, Inc. System for payment via electronic wallet
CN103299331A (zh) 2010-08-27 2013-09-11 黑鹰网络股份有限公司 具有储蓄特征的预付卡
US8553909B2 (en) 2011-04-29 2013-10-08 Smsc Holdings S.A.R.L. Low-power class D amplifier using multistate analog feedback loops
US11042870B2 (en) 2012-04-04 2021-06-22 Blackhawk Network, Inc. System and method for using intelligent codes to add a stored-value card to an electronic wallet
WO2014081822A2 (en) 2012-11-20 2014-05-30 Blackhawk Network, Inc. System and method for using intelligent codes in conjunction with stored-value cards
US10790790B2 (en) * 2017-01-17 2020-09-29 Kapik Inc. Amplifiers with delta-sigma modulators using pulse-density modulations and related processes

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5815102A (en) * 1996-06-12 1998-09-29 Audiologic, Incorporated Delta sigma pwm dac to reduce switching
US6084450A (en) * 1997-01-14 2000-07-04 The Regents Of The University Of California PWM controller with one cycle response
US5949282A (en) * 1998-02-25 1999-09-07 National Semiconductor Corporation Class D amplifier no low pass filter feedback with zero phase delay
US6587670B1 (en) * 1998-12-22 2003-07-01 Harris Corporation Dual mode class D amplifiers
US6373334B1 (en) * 2000-06-12 2002-04-16 Cirrus Logic, Inc. Real time correction of a digital PWM amplifier
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
US6381154B1 (en) * 2001-03-16 2002-04-30 Tranh To Nguyen PWM nonlinear controller with a single cycle response and a non resettable integrator

Also Published As

Publication number Publication date
JP2004274712A (ja) 2004-09-30
DK1406381T3 (da) 2009-02-09
US6759899B2 (en) 2004-07-06
KR20040030377A (ko) 2004-04-09
EP1406381B1 (de) 2008-09-17
US20040066228A1 (en) 2004-04-08
EP1406381A1 (de) 2004-04-07
ATE408929T1 (de) 2008-10-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee