ATE230900T1 - Schaltung zur rausch- und fehlerkompensation der ausgangsstufe eines digitalen verstärkers - Google Patents

Schaltung zur rausch- und fehlerkompensation der ausgangsstufe eines digitalen verstärkers

Info

Publication number
ATE230900T1
ATE230900T1 AT00901496T AT00901496T ATE230900T1 AT E230900 T1 ATE230900 T1 AT E230900T1 AT 00901496 T AT00901496 T AT 00901496T AT 00901496 T AT00901496 T AT 00901496T AT E230900 T1 ATE230900 T1 AT E230900T1
Authority
AT
Austria
Prior art keywords
circuit
output stage
digital amplifier
noise
multiplying
Prior art date
Application number
AT00901496T
Other languages
English (en)
Inventor
Lars Risbo
Original Assignee
Texas Instr Denmark 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 Texas Instr Denmark As filed Critical Texas Instr Denmark As
Application granted granted Critical
Publication of ATE230900T1 publication Critical patent/ATE230900T1/de

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
    • H03F3/2175—Class D power amplifiers; Switching amplifiers using analogue-digital or digital-analogue conversion
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
AT00901496T 1999-02-05 2000-02-07 Schaltung zur rausch- und fehlerkompensation der ausgangsstufe eines digitalen verstärkers ATE230900T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DKPA199900159 1999-02-05
PCT/DK2000/000048 WO2000046919A2 (en) 1999-02-05 2000-02-07 A circuit for compensating noise and errors from an output stage of a digital amplifier

Publications (1)

Publication Number Publication Date
ATE230900T1 true ATE230900T1 (de) 2003-01-15

Family

ID=8090433

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00901496T ATE230900T1 (de) 1999-02-05 2000-02-07 Schaltung zur rausch- und fehlerkompensation der ausgangsstufe eines digitalen verstärkers

Country Status (8)

Country Link
US (1) US6518838B1 (de)
EP (1) EP1153476B1 (de)
JP (1) JP2002536903A (de)
AT (1) ATE230900T1 (de)
AU (1) AU2279600A (de)
DE (1) DE60001148T2 (de)
DK (1) DK1153476T3 (de)
WO (1) WO2000046919A2 (de)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7173550B1 (en) * 2001-07-13 2007-02-06 Cirrus Logic, Inc. Circuits, systems and methods for volume control in low noise 1-bit digital audio systems
US6917241B2 (en) * 2002-05-13 2005-07-12 Matsushita Electric Industrial Co., Ltd. Amplifier circuit, transmission device, amplification method, and transmission method
US6765436B1 (en) * 2002-09-04 2004-07-20 Cirrus Logic, Inc. Power supply based audio compression for digital audio amplifier
JP2006507743A (ja) * 2002-11-22 2006-03-02 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 パルス幅変調型ノイズシェーパ
DE10255352B3 (de) * 2002-11-27 2004-02-12 Infineon Technologies Ag Verfahren und Vorrichtung zur Korrektur von Signalverzerrungen in einer Verstärkereinrichtung
DE10393487B3 (de) * 2002-11-27 2007-05-16 Infineon Technologies Ag Verfahren und Vorrichtung zur Korrektur von Signalverzerrungen in einer Verstärkereinrichtung
DE10337782B4 (de) * 2003-07-14 2007-03-01 Micronas Gmbh Methode und Schaltung zur effektiven Konvertierung von PCM-in PWM-Daten
JP4148077B2 (ja) 2003-09-10 2008-09-10 沖電気工業株式会社 Ｄ級信号増幅回路
AU2003304647A1 (en) * 2003-10-10 2005-04-27 Tc Electronic A/S Power supply compensation
JP4561459B2 (ja) * 2004-04-30 2010-10-13 ヤマハ株式会社 Ｄ級増幅器
FR2879754A1 (fr) * 2004-12-20 2006-06-23 St Microelectronics Sa Transpondeur electromagnetique depourvu d'alimentation autonome
JP4802765B2 (ja) * 2005-03-18 2011-10-26 ヤマハ株式会社 Ｄ級増幅器
US20060217086A1 (en) * 2005-03-25 2006-09-28 Pulsewave Rf, Inc. Radio frequency power amplifier and method using a plurality of feedback systems
US7352237B2 (en) * 2005-03-25 2008-04-01 Pulsewave Rf, Inc. Radio frequency power amplifier and corresponding method
US7683707B2 (en) * 2005-09-01 2010-03-23 Danmarks Tekniske Universitet Self-oscillating modulator
US7298204B2 (en) * 2005-11-30 2007-11-20 Pulsus Technologies Method and apparatus for outputting audio signal
WO2007072945A1 (ja) 2005-12-22 2007-06-28 Seiko Epson Corporation インクジェットプリンタのヘッド駆動装置及び駆動制御方法、並びにインクジェットプリンタ
CN101898451B (zh) 2006-01-17 2012-09-26 精工爱普生株式会社 驱动电路及液滴喷出装置
US8240798B2 (en) 2006-01-20 2012-08-14 Seiko Epson Corporation Head drive apparatus of inkjet printer and inkjet printer
US7436255B2 (en) * 2006-02-07 2008-10-14 D2Audio Corporation Power supply feed forward analog input filter component mismatch correction
US7822800B2 (en) * 2006-05-19 2010-10-26 Camco Produktions-Und Vertriebs Gmbh Fur Beschallungs-Und Beleuchtungsanlagen Apparatus and method for performing a calculation operation
WO2007149346A2 (en) * 2006-06-16 2007-12-27 Pulsewave Rf, Inc. Radio frequency power amplifier and method using a controlled supply
JP5141117B2 (ja) 2006-07-24 2013-02-13 セイコーエプソン株式会社 液体噴射装置および印刷装置
JP4946685B2 (ja) 2006-07-24 2012-06-06 セイコーエプソン株式会社 液体噴射装置および印刷装置
US7492219B1 (en) 2006-08-10 2009-02-17 Marvell International Ltd. Power efficient amplifier
US7724161B1 (en) 2006-12-12 2010-05-25 Marvell International Ltd. Truncation for three-level digital amplifier
US7731317B2 (en) 2007-01-12 2010-06-08 Seiko Epson Corporation Liquid jetting device
JP4513832B2 (ja) * 2007-07-13 2010-07-28 ヤマハ株式会社 Ｄ級増幅回路
JP5256768B2 (ja) 2008-02-21 2013-08-07 セイコーエプソン株式会社 液体噴射装置
JP2012015650A (ja) * 2010-06-29 2012-01-19 Renesas Electronics Corp Ｄ級増幅器
US9048791B2 (en) * 2012-04-13 2015-06-02 Taiwan Semiconductor Manufacturing Co., Ltd. Multi-stage amplifier with pulse width modulation (PWM) noise shaping
US9379777B2 (en) * 2012-05-07 2016-06-28 Nokia Technologies Oy Near field communication circuitry used for hearing aid compatibility
GB2502122B (en) * 2012-05-17 2014-04-23 Red Lion 49 Ltd Amplifier
US9225253B2 (en) * 2012-10-23 2015-12-29 Microchip Technology Inc. High voltage switching linear amplifier and method therefor
US9918172B1 (en) 2016-08-19 2018-03-13 Semiconductor Components Industries, Llc Active output driver supply compensation for noise reduction
US10164576B2 (en) * 2017-04-28 2018-12-25 Cirrus Logic, Inc. Amplifier offset cancellation using amplifier supply voltage
US10938353B2 (en) 2019-03-26 2021-03-02 Analog Devices International Unlimited Company Coulomb counter with offset calibration
US11563442B2 (en) * 2020-08-07 2023-01-24 Analog Devices International Unlimited Company Calibration of continuous-time residue generation systems for analog-to-digital converters
CN113300680B (zh) * 2021-04-09 2023-09-15 汇顶科技私人有限公司 脉冲宽度调变放大器、相关芯片及信号宽度调变的方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4495470A (en) * 1983-02-07 1985-01-22 Tektronix, Inc. Offset balancing method and apparatus for a DC amplifier
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
DE3605561A1 (de) 1986-02-21 1987-08-27 Thomson Brandt Gmbh Verfahren zur kompensation der offset-spannung eines regelverstaerkers und schaltungsanordnung zur durchfuehrung des verfahrens
JP3166321B2 (ja) 1992-07-01 2001-05-14 日本電気株式会社 変調信号送信システム
JP2883260B2 (ja) * 1993-04-20 1999-04-19 三菱電機株式会社 歪補償回路
US5559467A (en) 1995-01-27 1996-09-24 The Regents Of The University Of California Digital, pulse width modulation audio power amplifier with noise and ripple shaping
DK28398A (da) 1998-03-03 1999-09-04 Toccata Technology Aps Fremgangsmåde ved kompensering af ulineariteter i en forstærker, en forstærker, samt anvendelser af fremgangsmåden og forst
US6054896A (en) * 1998-12-17 2000-04-25 Datum Telegraphic Inc. Controller and associated methods for a linc linear power amplifier
US6414614B1 (en) * 1999-02-23 2002-07-02 Cirrus Logic, Inc. Power output stage compensation for digital output amplifiers
US6373334B1 (en) * 2000-06-12 2002-04-16 Cirrus Logic, Inc. Real time correction of a digital PWM amplifier

Also Published As

Publication number Publication date
DE60001148T2 (de) 2003-10-23
WO2000046919A3 (en) 2001-02-08
AU2279600A (en) 2000-08-25
DK1153476T3 (da) 2003-05-05
JP2002536903A (ja) 2002-10-29
US6518838B1 (en) 2003-02-11
DE60001148D1 (de) 2003-02-13
EP1153476B1 (de) 2003-01-08
WO2000046919A2 (en) 2000-08-10
EP1153476A1 (de) 2001-11-14

Similar Documents

Publication Publication Date Title
DE60001148D1 (de) Schaltung zur rausch- und fehlerkompensation der ausgangsstufe eines digitalen verstärkers
CN100586026C (zh) △-∑调制装置和信号放大设备
CN105519133B (zh) 用于mems电容式换能器的信号处理
US7538607B2 (en) Class D amplifier
JP4816508B2 (ja) Δς型ａｄ変換器およびｄ級アンプ並びにｄｃ−ｄｃ変換器
WO1998040693A3 (en) Time interval measurement system incorporating a linear ramp generation circuit
US20080278230A1 (en) Systems and Methods for Correcting Errors Resulting from Component Mismatch in a Feedback Path
ATE362218T1 (de) Schaltungen und verfahren zum kompensieren von schaltverstärkern
WO2000069065A3 (en) Amplifier with wideband digital predistortion
DE602005015176D1 (de) Geschalteter Leistungsverstärker und Verfahren zur Verstärkung eines digitalen Signals
KR20090035574A (ko) 확장 범위 ｒｍｓ-ｄｃ 변환기
US7629840B2 (en) Digital pulse width modulated feedback system for a switching amplifier and method therefor
EP1441447A4 (de) D/a-umsetzer und ausgangsverstärkungsschaltung
DE60204960D1 (de) Schaltung zur signalverarbeitung
US7436255B2 (en) Power supply feed forward analog input filter component mismatch correction
US6603293B2 (en) Power supply rejection ratio optimization during test
JPH02250564A (ja) クランプ装置と自動利得制御装置
JPH07162312A (ja) ノイズシェイパ
CN100502234C (zh) 数字脉冲宽度调制装置及方法
US6121829A (en) Frequency demodulator
KR102374791B1 (ko) 증폭기 공급 전압을 사용한 증폭기 오프셋 상쇄
WO2004062096A3 (de) Subtrahiererschaltung und leistungsdetektoranordnung mit der subtrahiererschaltung
SG102023A1 (en) Xdsl feedback class c-ab driver
JP3833941B2 (ja) スイッチング信号発生器、並びに、これを備えたスイッチング電源及びデジタルアンプ
JP2001211036A (ja) ディジタルスイッチングアンプ

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties