DE69901704D1 - Kompensationsverfahren von nichtlinearitäten in einem verstärker, verstärker sowie verwendung des verfahrens und des verstärkers - Google Patents
Kompensationsverfahren von nichtlinearitäten in einem verstärker, verstärker sowie verwendung des verfahrens und des verstärkersInfo
- Publication number
- DE69901704D1 DE69901704D1 DE69901704T DE69901704T DE69901704D1 DE 69901704 D1 DE69901704 D1 DE 69901704D1 DE 69901704 T DE69901704 T DE 69901704T DE 69901704 T DE69901704 T DE 69901704T DE 69901704 D1 DE69901704 D1 DE 69901704D1
- Authority
- DE
- Germany
- Prior art keywords
- signal
- pulse
- width modulated
- amplifier
- great
- 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
- 230000005236 sound signal Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K7/00—Modulating pulses with a continuously-variable modulating signal
- H03K7/08—Duration or width modulation ; Duty cycle modulation
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK199800283A DK28398A (da) | 1998-03-03 | 1998-03-03 | Fremgangsmåde ved kompensering af ulineariteter i en forstærker, en forstærker, samt anvendelser af fremgangsmåden og forst |
PCT/DK1999/000102 WO1999045641A1 (en) | 1998-03-03 | 1999-03-03 | A method in the compensation of unlinearities in an amplifier, an amplifier, and uses of the method and the amplifier |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69901704D1 true DE69901704D1 (de) | 2002-07-11 |
DE69901704T2 DE69901704T2 (de) | 2003-02-06 |
Family
ID=8091826
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69901704T Expired - Lifetime DE69901704T2 (de) | 1998-03-03 | 1999-03-03 | Kompensationsverfahren von nichtlinearitäten in einem verstärker, verstärker sowie verwendung des verfahrens und des verstärkers |
Country Status (10)
Country | Link |
---|---|
US (1) | US8098091B1 (de) |
EP (1) | EP1075732B1 (de) |
JP (1) | JP2002506308A (de) |
KR (1) | KR100650792B1 (de) |
CN (1) | CN1117428C (de) |
AT (1) | ATE218766T1 (de) |
AU (1) | AU2611499A (de) |
DE (1) | DE69901704T2 (de) |
DK (1) | DK28398A (de) |
WO (1) | WO1999045641A1 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE60001148T2 (de) | 1999-02-05 | 2003-10-23 | Texas Instruments Denmark A/S, Aalborg | Schaltung zur rausch- und fehlerkompensation der ausgangsstufe eines digitalen verstärkers |
US6504427B2 (en) | 2001-05-31 | 2003-01-07 | Motorola, Inc. | Switching amplifier having digital correction and method therefor |
JP3941443B2 (ja) * | 2001-09-27 | 2007-07-04 | ヤマハ株式会社 | 自走式pwm増幅器 |
DE10255352B3 (de) | 2002-11-27 | 2004-02-12 | Infineon Technologies Ag | Verfahren und Vorrichtung zur Korrektur von Signalverzerrungen in einer Verstärkereinrichtung |
DE10393487B3 (de) * | 2002-11-27 | 2007-05-16 | Infineon Technologies Ag | Verfahren und Vorrichtung zur Korrektur von Signalverzerrungen in einer Verstärkereinrichtung |
CN100417017C (zh) * | 2005-02-17 | 2008-09-03 | 普诚科技股份有限公司 | D类音频放大器的异步式桥接负载 |
JP4688225B2 (ja) * | 2005-07-21 | 2011-05-25 | パイオニア株式会社 | 電力増幅装置 |
KR100765792B1 (ko) * | 2006-07-28 | 2007-10-12 | 삼성전자주식회사 | 스위칭 파워 앰프에서 에러 보정 방법 및 장치 |
US7800437B2 (en) * | 2008-05-21 | 2010-09-21 | Silicon Laboratories Inc. | Closed loop timing feedback for PWM switching amplifiers using predictive feedback compensation |
CN101741325B (zh) * | 2008-11-24 | 2012-04-11 | 无锡华润矽科微电子有限公司 | 带载波可调模块的d类音频功放及其载波调制方法 |
IT1397119B1 (it) * | 2009-12-24 | 2012-12-28 | Elbi Int Spa | Dispositivo misuratore di portata per fluidi, in particolare per liquidi. |
KR101871360B1 (ko) * | 2011-03-09 | 2018-06-26 | 삼성전자주식회사 | 오디오 신호 출력 방법 및 그에 따른 오디오 신호 출력 장치 |
CN104201996B (zh) * | 2014-08-29 | 2017-07-07 | 青岛海信电器股份有限公司 | 一种用于d类功率放大器的反馈电路及电子设备 |
DE102015110274A1 (de) | 2015-06-25 | 2016-12-29 | Intel IP Corporation | Eine vorrichtung und ein verfahren zum verstärken eines eingangssignals |
CN113001003B (zh) * | 2021-04-16 | 2022-06-14 | 东莞声索电子有限公司 | 一种超声波电源非线性输出功率装置 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4061930A (en) | 1976-06-11 | 1977-12-06 | Rohr Industries, Incorporated | Base drive inhibit circuit |
JPS60190010A (ja) | 1984-03-12 | 1985-09-27 | Sony Corp | パルス幅変調信号による制御回路 |
JPH04281606A (ja) | 1991-03-11 | 1992-10-07 | Matsushita Electric Ind Co Ltd | パルス幅変調増幅器 |
US5410592A (en) | 1993-06-04 | 1995-04-25 | Harris Corporation | Class `D` audio speaker amplifier circuit with state variable feedback control |
DE69526732T2 (de) | 1995-07-13 | 2002-10-24 | Stmicroelectronics S.R.L., Agrate Brianza | Klasse-D Verstärker mit einem Ausgang und zwei Betriebsspannungen |
US5815581A (en) | 1995-10-19 | 1998-09-29 | Mitel Semiconductor, Inc. | Class D hearing aid amplifier with feedback |
WO2008037261A1 (en) * | 2006-09-28 | 2008-04-03 | Pascal A/S | Controlled power converter |
ES2367201T3 (es) * | 2006-12-21 | 2011-10-31 | BANG & OLUFSEN ICEPOWER A/S | Sistema de corrección de errores para una etapa de potencia de clase d. |
US7629840B2 (en) * | 2007-10-22 | 2009-12-08 | Freescale Semiconductor, Inc. | Digital pulse width modulated feedback system for a switching amplifier and method therefor |
US7733171B2 (en) * | 2007-12-31 | 2010-06-08 | Synopsys, Inc. | Class D amplifier having PWM circuit with look-up table |
-
1998
- 1998-03-03 DK DK199800283A patent/DK28398A/da not_active Application Discontinuation
-
1999
- 1999-03-03 AU AU26114/99A patent/AU2611499A/en not_active Abandoned
- 1999-03-03 AT AT99906084T patent/ATE218766T1/de not_active IP Right Cessation
- 1999-03-03 WO PCT/DK1999/000102 patent/WO1999045641A1/en active IP Right Grant
- 1999-03-03 JP JP2000535088A patent/JP2002506308A/ja active Pending
- 1999-03-03 DE DE69901704T patent/DE69901704T2/de not_active Expired - Lifetime
- 1999-03-03 CN CN99803617A patent/CN1117428C/zh not_active Expired - Fee Related
- 1999-03-03 KR KR1020007009671A patent/KR100650792B1/ko not_active IP Right Cessation
- 1999-03-03 US US09/623,554 patent/US8098091B1/en not_active Expired - Fee Related
- 1999-03-03 EP EP99906084A patent/EP1075732B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69901704T2 (de) | 2003-02-06 |
DK28398A (da) | 1999-09-04 |
KR100650792B1 (ko) | 2006-11-28 |
ATE218766T1 (de) | 2002-06-15 |
EP1075732A1 (de) | 2001-02-14 |
CN1117428C (zh) | 2003-08-06 |
EP1075732B1 (de) | 2002-06-05 |
CN1292168A (zh) | 2001-04-18 |
JP2002506308A (ja) | 2002-02-26 |
AU2611499A (en) | 1999-09-20 |
WO1999045641A1 (en) | 1999-09-10 |
KR20010041503A (ko) | 2001-05-25 |
US8098091B1 (en) | 2012-01-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |