KR100890346B1 - 디지털 보정 기능을 갖는 스위칭 증폭기 및 그에 대한 방법 - Google Patents
디지털 보정 기능을 갖는 스위칭 증폭기 및 그에 대한 방법 Download PDFInfo
- Publication number
- KR100890346B1 KR100890346B1 KR1020037015684A KR20037015684A KR100890346B1 KR 100890346 B1 KR100890346 B1 KR 100890346B1 KR 1020037015684 A KR1020037015684 A KR 1020037015684A KR 20037015684 A KR20037015684 A KR 20037015684A KR 100890346 B1 KR100890346 B1 KR 100890346B1
- Authority
- KR
- South Korea
- Prior art keywords
- input
- signal
- output
- digital
- digital pulse
- 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
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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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/872,283 US6504427B2 (en) | 2001-05-31 | 2001-05-31 | Switching amplifier having digital correction and method therefor |
| US09/872,283 | 2001-05-31 | ||
| PCT/US2002/013214 WO2002099966A1 (en) | 2001-05-31 | 2002-04-24 | Switching amplifier having digital correction and method therefor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20040003038A KR20040003038A (ko) | 2004-01-07 |
| KR100890346B1 true KR100890346B1 (ko) | 2009-03-25 |
Family
ID=25359252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020037015684A Expired - Fee Related KR100890346B1 (ko) | 2001-05-31 | 2002-04-24 | 디지털 보정 기능을 갖는 스위칭 증폭기 및 그에 대한 방법 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US6504427B2 (https=) |
| JP (1) | JP2005515655A (https=) |
| KR (1) | KR100890346B1 (https=) |
| TW (1) | TWI256189B (https=) |
| WO (1) | WO2002099966A1 (https=) |
Families Citing this family (39)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030058973A1 (en) * | 2001-06-01 | 2003-03-27 | Tsecouras Michael J. | Adaptive pulse frame rate frequency control for digital amplifier systems |
| US7005917B2 (en) * | 2002-04-02 | 2006-02-28 | Jam Technologies, Inc. | Power supply rejection technique for switching amplifier |
| WO2004088843A2 (en) | 2003-03-28 | 2004-10-14 | Ess Technology, Inc. | System and method for compensating for error in a sigma delta circuit |
| TWI226148B (en) * | 2003-07-04 | 2005-01-01 | Delta Electronics Inc | Phase and pulse width modulation fan speed control circuit |
| US7058464B2 (en) * | 2003-07-17 | 2006-06-06 | Ess Technology, Inc. | Device and method for signal processing |
| US6922100B2 (en) * | 2003-07-29 | 2005-07-26 | Freescale Semiconductor, Inc. | Method and apparatus for switching amplification having variable sample point and variable order correction |
| US7551022B2 (en) * | 2003-10-10 | 2009-06-23 | Tc Electronic A/S | Power supply compensation |
| TWI322561B (en) * | 2003-11-19 | 2010-03-21 | Delta Electronics Inc | Motor control circuit |
| US7161819B2 (en) * | 2004-07-22 | 2007-01-09 | Valeo Electrical Systems, Inc. | Zero-crossing correction in sinusoidally commutated motors |
| US7276963B2 (en) * | 2004-10-28 | 2007-10-02 | Cameo Produktions-Und Vertriebs Gmbh Fuer Beschallungs Und Beleuchtungsanlagen | Switching power amplifier and method for amplifying a digital input signal |
| WO2006051478A1 (en) * | 2004-11-12 | 2006-05-18 | Koninklijke Philips Electronics N.V. | Arrangement for amplifying a pwm input signal |
| US7728659B2 (en) * | 2005-01-28 | 2010-06-01 | Nxp B.V. | Arrangement for amplifying a PWM input signal |
| JP4802765B2 (ja) * | 2005-03-18 | 2011-10-26 | ヤマハ株式会社 | D級増幅器 |
| JP4675138B2 (ja) * | 2005-04-14 | 2011-04-20 | シャープ株式会社 | スイッチング増幅器 |
| US7116257B1 (en) | 2005-09-26 | 2006-10-03 | Ess Technology, Inc. | Low noise digital to analog converter with audio applications |
| US7570693B2 (en) * | 2005-09-26 | 2009-08-04 | Ess Technology, Inc. | Low noise digital to pulse width modulated converter with audio applications |
| US7138935B1 (en) | 2005-09-26 | 2006-11-21 | Ess Technology, Inc. | Low noise digital to signal interval converter with audio applications |
| US7312654B2 (en) * | 2005-12-20 | 2007-12-25 | Freescale Semiconductor, Inc. | Quiet power up and power down of a digital audio amplifier |
| EP1804374A3 (en) * | 2005-12-27 | 2008-05-28 | Sharp Kabushiki Kaisha | Switching amplifier |
| KR100765792B1 (ko) * | 2006-07-28 | 2007-10-12 | 삼성전자주식회사 | 스위칭 파워 앰프에서 에러 보정 방법 및 장치 |
| US7839211B2 (en) * | 2006-12-21 | 2010-11-23 | Bang & Olufsen Icepower A/S | Error correction system for a class-D power stage |
| US7629840B2 (en) * | 2007-10-22 | 2009-12-08 | Freescale Semiconductor, Inc. | Digital pulse width modulated feedback system for a switching amplifier and method therefor |
| US7777562B2 (en) * | 2007-12-20 | 2010-08-17 | Asahi Kasei Emd Corporation | Distortion suppression circuit for digital class-D audio amplifier |
| US20090261902A1 (en) * | 2008-04-17 | 2009-10-22 | Freescale Semiconductor, Inc. | Asynchronous Error Correction Circuit for Switching Amplifier |
| US7821439B2 (en) * | 2008-04-22 | 2010-10-26 | International Truck Intellectual Property Company, Llc | Programmable CAN bus to analogue signal converter |
| DE112009001227T5 (de) * | 2008-05-21 | 2011-04-07 | Silicon Laboratories, Inc., Austin | Prädiktive Rückkopplungskompensation für PWM-Schaltverstärker |
| KR20100008749A (ko) | 2008-07-16 | 2010-01-26 | 삼성전자주식회사 | 스위칭 파워 증폭 장치 및 그 제어 방법 |
| ATE532269T1 (de) * | 2008-12-24 | 2011-11-15 | St Microelectronics Srl | Regelvorrichtung für lastspeisungsgerät |
| GB2504361B (en) * | 2012-07-27 | 2020-04-01 | Nidec Control Techniques Ltd | Control system and method |
| KR20140097874A (ko) * | 2013-01-30 | 2014-08-07 | 삼성전자주식회사 | 오디오장치 및 그 제어방법 |
| KR102480913B1 (ko) | 2016-07-11 | 2022-12-26 | 삼성전자주식회사 | 데이터를 전송하기 위한 방법 및 그 전자 장치 |
| KR20190106273A (ko) | 2018-03-06 | 2019-09-18 | 바리아크주식회사 | 화재 이전에 전류 차단을 위한 센서(sense)기능을 갖는 전열선 |
| CN109314491B (zh) * | 2018-03-16 | 2022-08-16 | 深圳市汇顶科技股份有限公司 | 功率放大器及平衡数字输出信号的上升和下降时间的方法 |
| WO2019237115A1 (en) * | 2018-06-08 | 2019-12-12 | Cohen Seth D | Clockless time-to-digital converter |
| US11381224B2 (en) | 2018-06-08 | 2022-07-05 | Southern Research Institute | Clockless programmable pulse width generation using an inverse chaotic map |
| US11265178B1 (en) | 2018-06-08 | 2022-03-01 | Southern Research Institute | Physically unclonable functions using pulse width chaotic maps |
| US11164551B2 (en) * | 2019-02-28 | 2021-11-02 | Clifford W. Chase | Amplifier matching in a digital amplifier modeling system |
| US11733364B2 (en) | 2020-05-21 | 2023-08-22 | Kratos Sre, Inc. | Target ranging with subsampled noise correlation |
| CN114691437B (zh) * | 2022-04-07 | 2025-02-18 | 珠海市运泰利自动化设备有限公司 | 一种测试校正装置及方法 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998044626A2 (en) * | 1997-04-02 | 1998-10-08 | Karsten Nielsen | Pulse referenced control method for enhanced power amplification of a pulse modulated signal |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5818804B2 (ja) * | 1974-12-18 | 1983-04-14 | ソニー株式会社 | パルス幅変調増巾回路 |
| US5077539A (en) | 1990-12-26 | 1991-12-31 | Apogee Technology, Inc. | Switching 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 |
| US6150969A (en) | 1996-06-12 | 2000-11-21 | Audiologic, Incorporated | Correction of nonlinear output distortion in a Delta Sigma DAC |
| US5777512A (en) * | 1996-06-20 | 1998-07-07 | Tripath Technology, Inc. | Method and apparatus for oversampled, noise-shaping, mixed-signal processing |
| US5974089A (en) * | 1997-07-22 | 1999-10-26 | Tripath Technology, Inc. | Method and apparatus for performance improvement by qualifying pulses in an oversampled noise-shaping signal processor |
| 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 |
| CA2347991A1 (en) | 1998-11-30 | 2000-06-08 | Bang & Olufsen Powerhouse A/S | A pulse width modulation power converter |
| US6351184B1 (en) | 1999-07-29 | 2002-02-26 | Tripath Technology, Inc. | Dynamic switching frequency control for a digital switching amplifier |
| US6362683B1 (en) * | 1999-07-29 | 2002-03-26 | Tripath Technology, Inc. | Break-before-make distortion compensation for a digital amplifier |
| US6294954B1 (en) * | 1999-09-23 | 2001-09-25 | Audiologic, Incorporated | Adaptive dead time control for switching circuits |
-
2001
- 2001-05-31 US US09/872,283 patent/US6504427B2/en not_active Expired - Lifetime
-
2002
- 2002-04-24 KR KR1020037015684A patent/KR100890346B1/ko not_active Expired - Fee Related
- 2002-04-24 WO PCT/US2002/013214 patent/WO2002099966A1/en not_active Ceased
- 2002-04-24 JP JP2003502952A patent/JP2005515655A/ja active Pending
- 2002-05-07 TW TW091109481A patent/TWI256189B/zh not_active IP Right Cessation
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998044626A2 (en) * | 1997-04-02 | 1998-10-08 | Karsten Nielsen | Pulse referenced control method for enhanced power amplification of a pulse modulated signal |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2002099966A1 (en) | 2002-12-12 |
| TWI256189B (en) | 2006-06-01 |
| JP2005515655A (ja) | 2005-05-26 |
| US20020180518A1 (en) | 2002-12-05 |
| US6504427B2 (en) | 2003-01-07 |
| KR20040003038A (ko) | 2004-01-07 |
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