WO2001097384A2 - Real time correction of a digital pwm amplifier - Google Patents
Real time correction of a digital pwm amplifier Download PDFInfo
- Publication number
- WO2001097384A2 WO2001097384A2 PCT/US2001/016688 US0116688W WO0197384A2 WO 2001097384 A2 WO2001097384 A2 WO 2001097384A2 US 0116688 W US0116688 W US 0116688W WO 0197384 A2 WO0197384 A2 WO 0197384A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- feedback
- digital
- signal
- output
- generating
- Prior art date
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
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/1235—Non-linear conversion not otherwise provided for in subgroups of H03M1/12
-
- 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
- H03M3/358—Continuously compensating for, or preventing, undesired influence of physical parameters of non-linear distortion, e.g. instability
-
- 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
- H03M3/38—Calibration
- H03M3/386—Calibration over the full range of the converter, e.g. for correcting differential non-linearity
- H03M3/388—Calibration over the full range of the converter, e.g. for correcting differential non-linearity by storing corrected or correction values in one or more digital look-up tables
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/453—Controlling being realised by adding a replica circuit or by using one among multiple identical circuits as a replica 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
- H03M3/50—Digital/analogue converters using delta-sigma modulation as an intermediate step
- H03M3/502—Details of the final digital/analogue conversion following the digital delta-sigma modulation
- H03M3/506—Details of the final digital/analogue conversion following the digital delta-sigma modulation the final digital/analogue converter being constituted by a pulse width modulator
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT01939336T ATE292335T1 (en) | 2000-06-12 | 2001-05-23 | REAL-TIME CORRECTION OF A DIGITAL PULSE WIDTH MODULATOR AMPLIFIER |
KR1020027017193A KR100761678B1 (en) | 2000-06-12 | 2001-05-23 | Real time correction of a digital PWM amplifier |
AU2001264865A AU2001264865A1 (en) | 2000-06-12 | 2001-05-23 | Real time correction of a digital pwm amplifier |
DE60109823T DE60109823D1 (en) | 2000-06-12 | 2001-05-23 | REAL-TIME CORRECTION OF A DIGITAL PULSE WIDTH MODULE AMPLIFIER |
EP01939336A EP1374411B1 (en) | 2000-06-12 | 2001-05-23 | Real time correction of a digital pwm amplifier |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/592,145 | 2000-06-12 | ||
US09/592,145 US6373334B1 (en) | 2000-06-12 | 2000-06-12 | Real time correction of a digital PWM amplifier |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2001097384A2 true WO2001097384A2 (en) | 2001-12-20 |
WO2001097384A3 WO2001097384A3 (en) | 2003-10-23 |
Family
ID=24369489
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2001/016688 WO2001097384A2 (en) | 2000-06-12 | 2001-05-23 | Real time correction of a digital pwm amplifier |
Country Status (7)
Country | Link |
---|---|
US (1) | US6373334B1 (en) |
EP (1) | EP1374411B1 (en) |
KR (1) | KR100761678B1 (en) |
AT (1) | ATE292335T1 (en) |
AU (1) | AU2001264865A1 (en) |
DE (1) | DE60109823D1 (en) |
WO (1) | WO2001097384A2 (en) |
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CN1333604C (en) * | 2003-04-17 | 2007-08-22 | 华为技术有限公司 | Pulse width modulating method and device |
US7289050B1 (en) | 2005-06-27 | 2007-10-30 | Qualcomm Incorporated | Amplification method and apparatus |
EP1972055A2 (en) * | 2005-12-30 | 2008-09-24 | D2Audio Corporation | Digital pwm amplifier with simulation-based feedback |
WO2008137662A1 (en) * | 2007-05-02 | 2008-11-13 | Cirrus Logic, Inc. | Signal processing system using delta-sigma modulation having an internal stabilizer path with direct output-to-integrator connection |
US7667408B2 (en) | 2007-03-12 | 2010-02-23 | Cirrus Logic, Inc. | Lighting system with lighting dimmer output mapping |
US7728658B2 (en) | 2007-07-25 | 2010-06-01 | D2Audio Corporation | Low-noise, low-distortion digital PWM amplifier |
US7812666B2 (en) | 2005-12-30 | 2010-10-12 | D2Audio Corporation | Low delay corrector |
US8362838B2 (en) | 2007-01-19 | 2013-01-29 | Cirrus Logic, Inc. | Multi-stage amplifier with multiple sets of fixed and variable voltage rails |
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EP2728746A1 (en) * | 2012-11-05 | 2014-05-07 | Alcatel Lucent | Signal modulation for radiofrequency communications |
WO2015165538A1 (en) * | 2014-04-30 | 2015-11-05 | Alcatel Lucent | Signal modulation by pulse train segments for radiofrequency communications |
WO2015169328A1 (en) | 2014-05-05 | 2015-11-12 | Alcatel Lucent | Signal modulation for radiofrequency communications |
TWI551050B (en) * | 2014-05-06 | 2016-09-21 | 阿爾卡特朗訊公司 | Signal modulation by pulse train segments for radiofrequency communications |
WO2016198302A1 (en) * | 2015-06-09 | 2016-12-15 | Icepower A/S | Dead time compensation |
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2000
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-
2001
- 2001-05-23 AU AU2001264865A patent/AU2001264865A1/en not_active Abandoned
- 2001-05-23 WO PCT/US2001/016688 patent/WO2001097384A2/en active IP Right Grant
- 2001-05-23 KR KR1020027017193A patent/KR100761678B1/en not_active IP Right Cessation
- 2001-05-23 DE DE60109823T patent/DE60109823D1/en not_active Expired - Lifetime
- 2001-05-23 EP EP01939336A patent/EP1374411B1/en not_active Expired - Lifetime
- 2001-05-23 AT AT01939336T patent/ATE292335T1/en not_active IP Right Cessation
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CN1333604C (en) * | 2003-04-17 | 2007-08-22 | 华为技术有限公司 | Pulse width modulating method and device |
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JP2009522881A (en) * | 2005-12-30 | 2009-06-11 | ディー2オーディオ コーポレイション | Digital PWM amplifier with simulation-based feedback |
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WO2007079362A1 (en) * | 2005-12-30 | 2007-07-12 | Cirrus Logic, Inc. | Signal processing system with analog-to-digital converter using delta-sigma modulation having an internal stabilizer loop |
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US7696913B2 (en) | 2007-05-02 | 2010-04-13 | Cirrus Logic, Inc. | Signal processing system using delta-sigma modulation having an internal stabilizer path with direct output-to-integrator connection |
WO2008137662A1 (en) * | 2007-05-02 | 2008-11-13 | Cirrus Logic, Inc. | Signal processing system using delta-sigma modulation having an internal stabilizer path with direct output-to-integrator connection |
US7728658B2 (en) | 2007-07-25 | 2010-06-01 | D2Audio Corporation | Low-noise, low-distortion digital PWM amplifier |
EP2728745A1 (en) * | 2012-11-05 | 2014-05-07 | Alcatel Lucent | Signal modulation by pulse train segments for radiofrequency communications |
EP2728746A1 (en) * | 2012-11-05 | 2014-05-07 | Alcatel Lucent | Signal modulation for radiofrequency communications |
WO2015165538A1 (en) * | 2014-04-30 | 2015-11-05 | Alcatel Lucent | Signal modulation by pulse train segments for radiofrequency communications |
WO2015169328A1 (en) | 2014-05-05 | 2015-11-12 | Alcatel Lucent | Signal modulation for radiofrequency communications |
KR20170002556A (en) * | 2014-05-05 | 2017-01-06 | 알까뗄 루슨트 | Signal modulation for radiofrequency communications |
JP2017521886A (en) * | 2014-05-05 | 2017-08-03 | アルカテル−ルーセント | Signal modulation for radio frequency communications |
US10038455B2 (en) | 2014-05-05 | 2018-07-31 | Alcatel Lucent | Signal modulation for radiofrequency communications |
TWI551050B (en) * | 2014-05-06 | 2016-09-21 | 阿爾卡特朗訊公司 | Signal modulation by pulse train segments for radiofrequency communications |
WO2016198302A1 (en) * | 2015-06-09 | 2016-12-15 | Icepower A/S | Dead time compensation |
US10148235B2 (en) | 2015-06-09 | 2018-12-04 | Icepower A/S | Dead time compensation |
Also Published As
Publication number | Publication date |
---|---|
US6373334B1 (en) | 2002-04-16 |
KR100761678B1 (en) | 2007-10-02 |
EP1374411A2 (en) | 2004-01-02 |
DE60109823D1 (en) | 2005-05-04 |
EP1374411B1 (en) | 2005-03-30 |
ATE292335T1 (en) | 2005-04-15 |
WO2001097384A3 (en) | 2003-10-23 |
AU2001264865A1 (en) | 2001-12-24 |
KR20030024693A (en) | 2003-03-26 |
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