DK0890221T3 - Konvertering af et PCM-signal tl et UPWM-signal - Google Patents

Konvertering af et PCM-signal tl et UPWM-signal

Info

Publication number
DK0890221T3
DK0890221T3 DK97917274T DK97917274T DK0890221T3 DK 0890221 T3 DK0890221 T3 DK 0890221T3 DK 97917274 T DK97917274 T DK 97917274T DK 97917274 T DK97917274 T DK 97917274T DK 0890221 T3 DK0890221 T3 DK 0890221T3
Authority
DK
Denmark
Prior art keywords
model
signal
linearity
pcm
upwm
Prior art date
Application number
DK97917274T
Other languages
English (en)
Inventor
Lars Risbo
Hans K Andersen
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 DK0890221T3 publication Critical patent/DK0890221T3/da

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Amplifiers (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Analogue/Digital Conversion (AREA)
  • Dc Digital Transmission (AREA)
  • Selective Calling Equipment (AREA)
DK97917274T 1996-03-28 1997-03-26 Konvertering af et PCM-signal tl et UPWM-signal DK0890221T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK35596 1996-03-28
PCT/DK1997/000133 WO1997037433A1 (en) 1996-03-28 1997-03-26 Conversion of a pcm signal into a upwm signal

Publications (1)

Publication Number Publication Date
DK0890221T3 true DK0890221T3 (da) 2007-10-08

Family

ID=8092592

Family Applications (1)

Application Number Title Priority Date Filing Date
DK97917274T DK0890221T3 (da) 1996-03-28 1997-03-26 Konvertering af et PCM-signal tl et UPWM-signal

Country Status (11)

Country Link
US (1) US6657566B1 (da)
EP (1) EP0890221B1 (da)
JP (1) JP4097700B2 (da)
CN (1) CN1237721C (da)
AT (1) ATE366483T1 (da)
AU (1) AU721526B2 (da)
CA (1) CA2249460C (da)
DE (1) DE69737882T2 (da)
DK (1) DK0890221T3 (da)
EA (1) EA002110B1 (da)
WO (1) WO1997037433A1 (da)

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KR100426422B1 (ko) 1997-04-02 2004-04-08 뱅 앤드 올루프센 파워하우스 에이/에스 펄스 변조 신호의 향상된 전력 증폭을 위한 펄스 기준형 제어 방법 및 시스템
US6215354B1 (en) * 1998-03-06 2001-04-10 Fujant, Inc. Closed loop calibration for an amplitude reconstruction amplifier
GR980100264A (el) * 1998-07-08 2000-03-31 Συστημα μετασχηματισμου και διορθωσης ψηφιακων ηχητικων σηματων
US6480129B1 (en) * 1999-02-23 2002-11-12 Cirrus Logic, Inc. Methods and apparatus for correction of higher order delta sigma converters
US6473457B1 (en) 1999-05-07 2002-10-29 Motorola, Inc. Method and apparatus for producing a pulse width modulated signal
US20020060605A1 (en) * 2000-09-22 2002-05-23 Kowkutla Venkateswar R. Amplifiers
DE10155426A1 (de) * 2001-11-12 2003-05-28 Infineon Technologies Ag Digital/Analog-Umsetzer-Schaltung mit einer Vorrichtung zur Kompensation von nichtlinearen Verzerrungen
DE10218513B4 (de) * 2002-04-25 2008-08-21 Qimonda Ag Schaltungsanordnung und Verfahren zur Übertragung digitaler Signale
SE0300780D0 (sv) 2003-03-24 2003-03-24 Bang & Olufsen Icepower As Digital pulse width controlled oscillation modulator
EP1498803A3 (de) * 2003-07-14 2007-04-04 Micronas GmbH Methode und Schaltung zur effektiven Konvertierung vom PCM- in PWM-Daten
DE10337782B4 (de) * 2003-07-14 2007-03-01 Micronas Gmbh Methode und Schaltung zur effektiven Konvertierung von PCM-in PWM-Daten
JP4561459B2 (ja) * 2004-04-30 2010-10-13 ヤマハ株式会社 Ｄ級増幅器
US7161515B2 (en) * 2004-11-04 2007-01-09 Tektronix, Inc. Calibration system and method for a linearity corrector using filter products
GB2425668B (en) * 2005-01-17 2009-02-25 Wolfson Microelectronics Plc Pulse width modulator quantisation circuit
FR2887091B1 (fr) * 2005-06-08 2007-08-31 Dolphin Integration Sa Convertisseur numerique-analogique
US7327296B1 (en) 2006-03-03 2008-02-05 Cirrus Logic, Inc. Signal processing system with modified delta sigma modulator quantizer output signals to spread harmonic frequencies of pulse width modulator output signals
US7209064B1 (en) 2006-03-03 2007-04-24 Cirrus Logic, Inc. Signal processing system with spreading of a spectrum of harmonic frequencies of a pulse width modulator output signal
US7598714B2 (en) * 2006-07-12 2009-10-06 Harman International Industries, Incorporated Amplifier employing interleaved signals for PWM ripple suppression
US7626519B2 (en) * 2007-05-30 2009-12-01 Texas Instruments Incorporated Pulse-width modulation of pulse-code modulated signals at selectable or dynamically varying sample rates
US8098948B1 (en) 2007-12-21 2012-01-17 Zoran Corporation Method, apparatus, and system for reducing blurring in an image
US7859331B2 (en) * 2008-05-21 2010-12-28 Silicon Laboratories Inc. Predictive feedback compensation for PWM switching amplifiers
CN102379088B (zh) * 2009-03-31 2015-04-29 艾格瑞系统有限责任公司 通过使用△-∑调制器直接合成rf信号的方法和装置
EP2290812B1 (en) * 2009-08-11 2015-06-10 Dialog Semiconductor GmbH Concept, method and apparatus of improved distortion switched-mode amplifier
IT1397119B1 (it) * 2009-12-24 2012-12-28 Elbi Int Spa Dispositivo misuratore di portata per fluidi, in particolare per liquidi.
US8620631B2 (en) 2011-04-11 2013-12-31 King Fahd University Of Petroleum And Minerals Method of identifying Hammerstein models with known nonlinearity structures using particle swarm optimization
DK2575252T3 (da) * 2011-09-29 2018-10-08 Daihen Corp Signalprocessor, filter, strømkredsløb til strømomformerkredsløb, forbindelsesvekselrettersystem og PWM-omformersystem
CN103036529B (zh) * 2011-09-29 2017-07-07 株式会社大亨 信号处理装置、滤波器、控制电路、逆变器和转换器系统
DE102012216677B3 (de) * 2012-09-18 2013-06-13 Siemens Aktiengesellschaft Identifikationsschaltung
US9225349B2 (en) 2013-08-20 2015-12-29 Skyworks Solutions, Inc. Dither-less multi-stage noise shaping fractional-N frequency synthesizer systems and methods
US9209791B2 (en) * 2013-09-06 2015-12-08 Texas Instruments Incorporated Circuits and methods for cancelling nonlinear distortions in pulse width modulated sequences
CN104601239B (zh) * 2015-01-12 2017-05-17 西南交通大学 一种基于强度噪声方差以及低通滤波器的光纤自适应非线性补偿方法
US9425817B1 (en) 2015-11-19 2016-08-23 Cirrus Logic International Semiconductor Ltd. High order correction for pulse width modulation (PWM) digital/analog converters with reduced computation
ITUB20160679A1 (it) * 2016-02-11 2017-08-11 Milano Politecnico Apparato modulatore in larghezza di segnali analogici con configurazione ad anello chiuso
CN110190850B (zh) * 2019-04-16 2021-04-20 西安电子科技大学 一种逐次逼近型模数转换器
US11451329B2 (en) * 2021-01-25 2022-09-20 Huawei Technologies Co., Ltd. Method and apparatus of low-complexity pattern dependent lookup table pre-compensation
TWI864732B (zh) * 2023-05-04 2024-12-01 晶豪科技股份有限公司 音訊處理裝置及音訊處理方法

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JPH02214224A (ja) * 1989-02-14 1990-08-27 Sony Corp ディジタル・アナログ変換器
DE3916482A1 (de) * 1989-05-20 1990-11-22 Thomson Brandt Gmbh Verfahren zur umwandlung von aus datenworten gebildeten digitalen signalen sowie digital/analog-wandler
JPH07109991B2 (ja) * 1989-06-05 1995-11-22 日本ビクター株式会社 ノイズシェーピング型再量子化回路
US5247600A (en) * 1990-01-03 1993-09-21 Williams Charles M Fiber optic data/graphic display screen
GB9027503D0 (en) 1990-12-19 1991-02-06 Sandler Mark B Improvements in or relating to digital to analogue conversion
GB9103777D0 (en) 1991-02-22 1991-04-10 B & W Loudspeakers Analogue and digital convertors
GB9318238D0 (en) * 1993-09-02 1993-10-20 B & W Loudspeakers Digital converter
WO1998019391A2 (en) 1996-10-31 1998-05-07 Bang & Olufsen A/S Pulse modulation power amplifier with enhanced cascade control method
US6014055A (en) * 1998-02-06 2000-01-11 Intersil Corporation Class D amplifier with reduced clock requirement and related methods

Also Published As

Publication number Publication date
CA2249460C (en) 2006-11-28
CA2249460A1 (en) 1997-10-09
DE69737882T2 (de) 2008-03-13
EA002110B1 (ru) 2001-12-24
AU2567297A (en) 1997-10-22
ATE366483T1 (de) 2007-07-15
EP0890221A1 (en) 1999-01-13
AU721526B2 (en) 2000-07-06
HK1020639A1 (en) 2000-05-12
CN1214814A (zh) 1999-04-21
EP0890221B1 (en) 2007-07-04
DE69737882D1 (de) 2007-08-16
JP4097700B2 (ja) 2008-06-11
WO1997037433A1 (en) 1997-10-09
EA199800870A1 (ru) 1999-06-24
CN1237721C (zh) 2006-01-18
US6657566B1 (en) 2003-12-02
JP2000507759A (ja) 2000-06-20

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