DE69737882D1 - Umwandlung eines pcm-signals in ein gleichmässig pulsbreitenmoduliertes signal - Google Patents
Umwandlung eines pcm-signals in ein gleichmässig pulsbreitenmoduliertes signalInfo
- Publication number
- DE69737882D1 DE69737882D1 DE69737882T DE69737882T DE69737882D1 DE 69737882 D1 DE69737882 D1 DE 69737882D1 DE 69737882 T DE69737882 T DE 69737882T DE 69737882 T DE69737882 T DE 69737882T DE 69737882 D1 DE69737882 D1 DE 69737882D1
- Authority
- DE
- Germany
- Prior art keywords
- signal
- conversion
- model
- pcm
- pulse width
- 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
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
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK35596 | 1996-03-28 | ||
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 (2)
Publication Number | Publication Date |
---|---|
DE69737882D1 true DE69737882D1 (de) | 2007-08-16 |
DE69737882T2 DE69737882T2 (de) | 2008-03-13 |
Family
ID=8092592
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69737882T Expired - Lifetime DE69737882T2 (de) | 1996-03-28 | 1997-03-26 | Umwandlung eines pcm-signals in ein gleichmässig pulsbreitenmoduliertes signal |
Country Status (12)
Country | Link |
---|---|
US (1) | US6657566B1 (de) |
EP (1) | EP0890221B1 (de) |
JP (1) | JP4097700B2 (de) |
CN (1) | CN1237721C (de) |
AT (1) | ATE366483T1 (de) |
AU (1) | AU721526B2 (de) |
CA (1) | CA2249460C (de) |
DE (1) | DE69737882T2 (de) |
DK (1) | DK0890221T3 (de) |
EA (1) | EA002110B1 (de) |
HK (1) | HK1020639A1 (de) |
WO (1) | WO1997037433A1 (de) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6768779B1 (en) | 1997-04-02 | 2004-07-27 | Bang & Olufsen Powerhouse A/S | Pulse referenced control method for enhanced power amplification of a pulse modulated |
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 | |
EP1157471B1 (de) * | 1999-02-23 | 2003-12-10 | AudioLogic, Incorporated | Verfahren und gerät zur korrektur von delta-sigma-wandlern hoher ordnung |
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 |
GB2449591B (en) * | 2005-01-17 | 2009-03-18 | 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 |
US8160309B1 (en) | 2007-12-21 | 2012-04-17 | Csr Technology Inc. | Method, apparatus, and system for object recognition and classification |
US7859331B2 (en) * | 2008-05-21 | 2010-12-28 | Silicon Laboratories Inc. | Predictive feedback compensation for PWM switching amplifiers |
US8633842B2 (en) * | 2009-03-31 | 2014-01-21 | Agere Systems Llc | Methods and apparatus for direct synthesis of RF signals using delta-sigma modulator |
EP2290812B1 (de) * | 2009-08-11 | 2015-06-10 | Dialog Semiconductor GmbH | Konzept, Verfahren und Vorrichtung für verbesserten Verzerrungsschaltverstärker |
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 (en) * | 2011-09-29 | 2018-10-08 | Daihen Corp | Signal processor, filter, power converter for power converter circuit, connection inverter system and PWM inverter system |
CN107171582B (zh) * | 2011-09-29 | 2019-03-29 | 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 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
-
1997
- 1997-03-26 AT AT97917274T patent/ATE366483T1/de not_active IP Right Cessation
- 1997-03-26 JP JP53484097A patent/JP4097700B2/ja not_active Expired - Fee Related
- 1997-03-26 CA CA002249460A patent/CA2249460C/en not_active Expired - Fee Related
- 1997-03-26 US US09/155,225 patent/US6657566B1/en not_active Expired - Lifetime
- 1997-03-26 WO PCT/DK1997/000133 patent/WO1997037433A1/en active IP Right Grant
- 1997-03-26 AU AU25672/97A patent/AU721526B2/en not_active Ceased
- 1997-03-26 EA EA199800870A patent/EA002110B1/ru not_active IP Right Cessation
- 1997-03-26 DE DE69737882T patent/DE69737882T2/de not_active Expired - Lifetime
- 1997-03-26 DK DK97917274T patent/DK0890221T3/da active
- 1997-03-26 CN CNB971934274A patent/CN1237721C/zh not_active Expired - Fee Related
- 1997-03-26 EP EP97917274A patent/EP0890221B1/de not_active Expired - Lifetime
-
1999
- 1999-10-21 HK HK99104680A patent/HK1020639A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
AU721526B2 (en) | 2000-07-06 |
ATE366483T1 (de) | 2007-07-15 |
EP0890221B1 (de) | 2007-07-04 |
EA199800870A1 (ru) | 1999-06-24 |
WO1997037433A1 (en) | 1997-10-09 |
US6657566B1 (en) | 2003-12-02 |
CA2249460C (en) | 2006-11-28 |
AU2567297A (en) | 1997-10-22 |
DK0890221T3 (da) | 2007-10-08 |
EA002110B1 (ru) | 2001-12-24 |
DE69737882T2 (de) | 2008-03-13 |
CA2249460A1 (en) | 1997-10-09 |
HK1020639A1 (en) | 2000-05-12 |
CN1214814A (zh) | 1999-04-21 |
CN1237721C (zh) | 2006-01-18 |
JP4097700B2 (ja) | 2008-06-11 |
EP0890221A1 (de) | 1999-01-13 |
JP2000507759A (ja) | 2000-06-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |