CN1717863A - 用于校正放大设备中的信号失真的方法和设备 - Google Patents
用于校正放大设备中的信号失真的方法和设备 Download PDFInfo
- Publication number
- CN1717863A CN1717863A CNA2003801041422A CN200380104142A CN1717863A CN 1717863 A CN1717863 A CN 1717863A CN A2003801041422 A CNA2003801041422 A CN A2003801041422A CN 200380104142 A CN200380104142 A CN 200380104142A CN 1717863 A CN1717863 A CN 1717863A
- Authority
- CN
- China
- Prior art keywords
- pwm
- digital
- signal
- variable frequency
- system clock
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000001914 filtration Methods 0.000 claims description 11
- 238000012937 correction Methods 0.000 claims description 6
- 238000013461 design Methods 0.000 claims description 6
- 230000001915 proofreading effect Effects 0.000 claims description 6
- 230000001960 triggered effect Effects 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 238000011002 quantification Methods 0.000 claims description 3
- 238000012546 transfer Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 244000144992 flock Species 0.000 description 1
- 238000012886 linear function Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000002277 temperature effect Effects 0.000 description 1
- 238000003079 width control Methods 0.000 description 1
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
-
- 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
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
- H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
- H03F1/3247—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using feedback acting on predistortion circuits
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Amplifiers (AREA)
Abstract
Description
Claims (16)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10255352.1 | 2002-11-27 | ||
DE10255352A DE10255352B3 (de) | 2002-11-27 | 2002-11-27 | Verfahren und Vorrichtung zur Korrektur von Signalverzerrungen in einer Verstärkereinrichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1717863A true CN1717863A (zh) | 2006-01-04 |
CN100555845C CN100555845C (zh) | 2009-10-28 |
Family
ID=30128889
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2003801041422A Expired - Lifetime CN100555845C (zh) | 2002-11-27 | 2003-10-28 | 用于校正放大设备中的信号失真的方法和设备 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7355472B2 (zh) |
CN (1) | CN100555845C (zh) |
AU (1) | AU2003283311A1 (zh) |
DE (1) | DE10255352B3 (zh) |
WO (1) | WO2004049560A1 (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101517891B (zh) * | 2006-09-28 | 2011-11-16 | 帕斯卡尔有限公司 | 受控功率转换器 |
US8170217B2 (en) | 2007-09-17 | 2012-05-01 | Princeton Technology Corporation | Audio signal processing apparatus |
CN101771386B (zh) * | 2008-12-30 | 2012-09-19 | 龙鼎微电子(上海)有限公司 | 具有抗饱和失真电路的d类音频功率放大器 |
CN101399559B (zh) * | 2007-09-28 | 2013-01-02 | 普诚科技股份有限公司 | 声音信号处理装置 |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10255352B3 (de) | 2002-11-27 | 2004-02-12 | Infineon Technologies Ag | Verfahren und Vorrichtung zur Korrektur von Signalverzerrungen in einer Verstärkereinrichtung |
JP2004336765A (ja) * | 2003-05-02 | 2004-11-25 | Samsung Electronics Co Ltd | ポップノイズ減少のための音声信号発生装置及び音声信号発生方法 |
DE10332008B4 (de) * | 2003-07-14 | 2006-08-10 | Infineon Technologies Ag | Elektrische Schaltung sowie Verfahren zum Testen von elektronischen Bauteilen |
US7541864B2 (en) * | 2004-06-04 | 2009-06-02 | Silicon Power Devices Aps | Power amplifier and pulse-width modulated amplifier |
EP1624569B8 (en) * | 2004-08-06 | 2012-06-06 | Advantest (Singapore) Pte. Ltd. | Precision pulse placement |
KR100638472B1 (ko) * | 2004-11-08 | 2006-10-26 | 삼성전자주식회사 | 디지털 오디오 증폭기, 그것을 포함하는 오디오 시스템,및 오디오 신호 증폭방법 |
JP2008529390A (ja) * | 2005-01-28 | 2008-07-31 | エヌエックスピー ビー ヴィ | Pwm入力信号を増幅するための装置 |
JP4704887B2 (ja) * | 2005-10-28 | 2011-06-22 | Okiセミコンダクタ株式会社 | 増幅回路 |
US7629840B2 (en) * | 2007-10-22 | 2009-12-08 | Freescale Semiconductor, Inc. | Digital pulse width modulated feedback system for a switching amplifier and method therefor |
US7859331B2 (en) * | 2008-05-21 | 2010-12-28 | Silicon Laboratories Inc. | Predictive feedback compensation for PWM switching amplifiers |
US7825726B2 (en) * | 2008-10-30 | 2010-11-02 | Freescale Semiconductor, Inc. | Digital pulse width modulation for half bridge amplifiers |
US8207773B2 (en) * | 2009-01-15 | 2012-06-26 | Linear Technology Corporation | Pulse-width modulation (PWM) with independently adjustable duty cycle and frequency using two adjustable delays |
DE102018116924A1 (de) | 2018-07-12 | 2020-01-16 | USound GmbH | Vorrichtung zur Audiosignalverarbeitung für einen piezoelektrischen Lautsprecher |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9623175D0 (en) * | 1996-11-06 | 1997-01-08 | Harman Int Ind | Improvements in or relating to amplifiers |
ATE279811T1 (de) | 1997-04-02 | 2004-10-15 | Olufsen Powerhouse A S Bang | Pulzreferiertes steuerverfahren für verbesserte leistungsverstärkung eines pulsmodulierten signals |
US6278301B1 (en) | 1997-11-19 | 2001-08-21 | Texas Instruments Incorporated | Circuit and method for modulating the base frequency of a waveform generator |
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 |
DK1153476T3 (da) | 1999-02-05 | 2003-05-05 | Texas Instr Denmark As | Kredsløb til udkompensering af støj og fejl fra en digital forstærkers udgangstrin |
DE10255352B3 (de) | 2002-11-27 | 2004-02-12 | Infineon Technologies Ag | Verfahren und Vorrichtung zur Korrektur von Signalverzerrungen in einer Verstärkereinrichtung |
-
2002
- 2002-11-27 DE DE10255352A patent/DE10255352B3/de not_active Expired - Fee Related
-
2003
- 2003-10-28 CN CNB2003801041422A patent/CN100555845C/zh not_active Expired - Lifetime
- 2003-10-28 WO PCT/EP2003/011954 patent/WO2004049560A1/de not_active Application Discontinuation
- 2003-10-28 US US10/536,653 patent/US7355472B2/en not_active Expired - Lifetime
- 2003-10-28 AU AU2003283311A patent/AU2003283311A1/en not_active Abandoned
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101517891B (zh) * | 2006-09-28 | 2011-11-16 | 帕斯卡尔有限公司 | 受控功率转换器 |
US8170217B2 (en) | 2007-09-17 | 2012-05-01 | Princeton Technology Corporation | Audio signal processing apparatus |
CN101399559B (zh) * | 2007-09-28 | 2013-01-02 | 普诚科技股份有限公司 | 声音信号处理装置 |
CN101771386B (zh) * | 2008-12-30 | 2012-09-19 | 龙鼎微电子(上海)有限公司 | 具有抗饱和失真电路的d类音频功率放大器 |
Also Published As
Publication number | Publication date |
---|---|
WO2004049560A1 (de) | 2004-06-10 |
AU2003283311A1 (en) | 2004-06-18 |
US20070008031A1 (en) | 2007-01-11 |
CN100555845C (zh) | 2009-10-28 |
DE10255352B3 (de) | 2004-02-12 |
US7355472B2 (en) | 2008-04-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1717863A (zh) | 用于校正放大设备中的信号失真的方法和设备 | |
KR100890346B1 (ko) | 디지털 보정 기능을 갖는 스위칭 증폭기 및 그에 대한 방법 | |
US7058464B2 (en) | Device and method for signal processing | |
US6628221B2 (en) | Signal amplifying method, signal amplifier and devices related therewith | |
US6107876A (en) | Digital input switching audio power amplifier | |
US10826478B2 (en) | Pulse-width modulation | |
US20060091945A1 (en) | Switching power amplifier and method for amplifying a digital input signal | |
US20040028242A1 (en) | Audio reproducing apparatus and method | |
JP2008219324A (ja) | Δς型ad変換器およびd級アンプ並びにdc−dc変換器 | |
US7362254B2 (en) | Systems and methods for minimizing delay in a control path | |
JP5861076B2 (ja) | 増幅装置 | |
JP2005223717A (ja) | オーディオアンプ | |
US20080024210A1 (en) | Method and apparatus to correct an error in a switching power amplifier | |
JP2006211647A (ja) | パルス幅変調増幅器 | |
US11342892B2 (en) | Amplifier and signal processing circuit | |
US20120223747A1 (en) | Method and Apparatus for Producing Triangular Waveform with Low Audio Band Content | |
EP1418667A1 (en) | Multi-level class-D amplifier by means of 3 physical levels | |
US6771121B2 (en) | Linearization of a PDM Class-D amplifier | |
US7315209B2 (en) | Power amplifier apparatus and DC component removing method | |
JP4954442B2 (ja) | D級増幅器の重心補償 | |
JP6840673B2 (ja) | 増幅器、オーディオ信号出力方法、および電子機器 | |
US20060197590A1 (en) | Power amplifier and method for error correcting of output signals thereof | |
JP2011082930A (ja) | D級アンプ、および、d級増幅方法 | |
JP2007074442A (ja) | スイッチング増幅器およびオーディオ機器 | |
JP2008529390A (ja) | Pwm入力信号を増幅するための装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: INTEL MOBILE COMMUNICATIONS TECHNOLOGY LTD. Free format text: FORMER OWNER: INFINEON TECHNOLOGIES AG Effective date: 20121017 Owner name: INTEL MOBILE COMMUNICATIONS TECHNOLOGY LLC Free format text: FORMER OWNER: INTEL MOBILE COMMUNICATIONS TECHNOLOGY LTD. Effective date: 20121017 |
|
C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee |
Owner name: INFINEON TECHNOLOGIES AG Free format text: FORMER NAME: INFINRONG SCIENCE AND TECHNOLOGY CO., LTD. |
|
CP03 | Change of name, title or address |
Address after: Neubiberg, Germany Patentee after: Infineon Technologies AG Address before: Munich, Germany Patentee before: INFINEON TECHNOLOGIES AG |
|
TR01 | Transfer of patent right |
Effective date of registration: 20121017 Address after: Neubiberg, Germany Patentee after: Intel Mobile Communications GmbH Address before: Neubiberg, Germany Patentee before: Infineon Technologies AG Effective date of registration: 20121017 Address after: Neubiberg, Germany Patentee after: Intel Mobile Communications GmbH Address before: Neubiberg, Germany Patentee before: Intel Mobile Communications GmbH |
|
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: Neubiberg, Germany Patentee after: Intel Mobile Communications GmbH Address before: Neubiberg, Germany Patentee before: Intel Mobile Communications GmbH |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20200713 Address after: California, USA Patentee after: Apple Inc. Address before: California, USA Patentee before: INTEL Corp. Effective date of registration: 20200713 Address after: California, USA Patentee after: INTEL Corp. Address before: Neubiberg, Germany Patentee before: Intel Mobile Communications GmbH |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20091028 |