CN100492891C - 数字放大器 - Google Patents
数字放大器 Download PDFInfo
- Publication number
- CN100492891C CN100492891C CNB2004800090676A CN200480009067A CN100492891C CN 100492891 C CN100492891 C CN 100492891C CN B2004800090676 A CNB2004800090676 A CN B2004800090676A CN 200480009067 A CN200480009067 A CN 200480009067A CN 100492891 C CN100492891 C CN 100492891C
- Authority
- CN
- China
- Prior art keywords
- switch
- timing
- pulse
- signal
- error signal
- 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 - Fee Related
Links
Images
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
-
- 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
- H03F3/2173—Class D power amplifiers; Switching amplifiers of the bridge type
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/03—Indexing scheme relating to amplifiers the amplifier being designed for audio applications
Abstract
Description
Claims (13)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03100919 | 2003-04-07 | ||
EP03100919.4 | 2003-04-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1768474A CN1768474A (zh) | 2006-05-03 |
CN100492891C true CN100492891C (zh) | 2009-05-27 |
Family
ID=33155208
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004800090676A Expired - Fee Related CN100492891C (zh) | 2003-04-07 | 2004-03-25 | 数字放大器 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7518450B2 (zh) |
EP (1) | EP1614217A1 (zh) |
JP (1) | JP2006522529A (zh) |
KR (1) | KR20050120779A (zh) |
CN (1) | CN100492891C (zh) |
TW (1) | TW200503407A (zh) |
WO (1) | WO2004091096A1 (zh) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101142740B (zh) | 2005-01-28 | 2010-05-26 | Nxp股份有限公司 | 用于对pwm输入信号进行放大的设备 |
US20080064131A1 (en) * | 2006-09-12 | 2008-03-13 | Mutual-Tek Industries Co., Ltd. | Light emitting apparatus and method for the same |
JP4425262B2 (ja) * | 2006-12-07 | 2010-03-03 | 株式会社日立国際電気 | フィードフォワード増幅器 |
KR100878155B1 (ko) * | 2007-05-16 | 2009-01-12 | 삼성전자주식회사 | 오디오 시스템 및 이를 제어하는 방법 |
JP4466695B2 (ja) | 2007-08-08 | 2010-05-26 | ヤマハ株式会社 | D級増幅回路 |
US10024937B2 (en) | 2011-09-27 | 2018-07-17 | Koninklijke Philips N.V. | Gradient amplifier with compensation for dead time and forward voltage |
US8723584B2 (en) * | 2012-05-03 | 2014-05-13 | Conexant Systems, Inc. | Low power dual voltage mode receiver |
US9467097B2 (en) * | 2014-07-07 | 2016-10-11 | Texas Instruments Incorporation | Edge correction to mitigate total harmonic distortion in class D amplifier |
US10148235B2 (en) | 2015-06-09 | 2018-12-04 | Icepower A/S | Dead time compensation |
KR101938551B1 (ko) | 2017-06-14 | 2019-01-15 | 한국원자력연구원 | 방사선에 의한 신호 왜곡을 감지하는 장치 및 아날로그 디지털 컨버터 |
US11342892B2 (en) * | 2017-12-27 | 2022-05-24 | Sony Semiconductor Solutions Corporation | Amplifier and signal processing circuit |
US10630244B2 (en) | 2018-03-16 | 2020-04-21 | Shenzhen GOODIX Technology Co., Ltd. | Pulse width distortion cancellation of a switching mode amplifier for reduced second harmonic interference |
CN114726192B (zh) * | 2022-06-08 | 2022-09-30 | 北京奎芯集成电路设计有限公司 | 电位维持器和芯片组件 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5077540A (en) * | 1990-06-14 | 1991-12-31 | University Of Virginia Patents Foundation | Minimum pulse width switching power amplifier |
JP3185257B2 (ja) * | 1991-07-23 | 2001-07-09 | 株式会社明電舎 | 電力変換ユニットの並列運転装置 |
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 |
DE19741794A1 (de) | 1997-09-22 | 1999-03-25 | Becker Gmbh | Vorrichtung zur Fehlerkorrektur eines PWM-Signals |
US6127885A (en) * | 1998-08-31 | 2000-10-03 | Cello, Limited | Class D amplifiers including transition zone modulation |
IT1313380B1 (it) * | 1999-01-19 | 2002-07-23 | St Microelectronics Srl | Stadio di uscita di potenza a commutazione con minimizzazione della"zona morta" e possibilita' di parallelizzazione sincrona delle |
US6294954B1 (en) * | 1999-09-23 | 2001-09-25 | Audiologic, Incorporated | Adaptive dead time control for switching circuits |
ATE328391T1 (de) * | 2001-03-26 | 2006-06-15 | Harman Int Ind | Pulsbreitemodulationsverstärker mit digitalem signalprozessor |
KR100604815B1 (ko) * | 2003-05-02 | 2006-07-26 | 삼성전자주식회사 | 신호 발생장치 및 신호 발생방법 |
-
2004
- 2004-03-25 WO PCT/IB2004/001009 patent/WO2004091096A1/en active Application Filing
- 2004-03-25 EP EP04723277A patent/EP1614217A1/en not_active Withdrawn
- 2004-03-25 CN CNB2004800090676A patent/CN100492891C/zh not_active Expired - Fee Related
- 2004-03-25 KR KR1020057018998A patent/KR20050120779A/ko not_active Application Discontinuation
- 2004-03-25 JP JP2006506430A patent/JP2006522529A/ja not_active Withdrawn
- 2004-03-25 US US10/552,057 patent/US7518450B2/en not_active Expired - Lifetime
- 2004-04-02 TW TW093109265A patent/TW200503407A/zh unknown
Also Published As
Publication number | Publication date |
---|---|
WO2004091096A1 (en) | 2004-10-21 |
TW200503407A (en) | 2005-01-16 |
CN1768474A (zh) | 2006-05-03 |
KR20050120779A (ko) | 2005-12-23 |
JP2006522529A (ja) | 2006-09-28 |
US7518450B2 (en) | 2009-04-14 |
US20070273440A1 (en) | 2007-11-29 |
EP1614217A1 (en) | 2006-01-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: NXP CO., LTD. Free format text: FORMER OWNER: KONINKLIJKE PHILIPS ELECTRONICS N.V. Effective date: 20070810 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20070810 Address after: Holland Ian Deho Finn Applicant after: Koninkl Philips Electronics NV Address before: Holland Ian Deho Finn Applicant before: Koninklijke Philips Electronics N.V. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090527 Termination date: 20160325 |