CN1742429A - 数字脉冲宽度调制装置及方法 - Google Patents
数字脉冲宽度调制装置及方法 Download PDFInfo
- Publication number
- CN1742429A CN1742429A CN 200480002847 CN200480002847A CN1742429A CN 1742429 A CN1742429 A CN 1742429A CN 200480002847 CN200480002847 CN 200480002847 CN 200480002847 A CN200480002847 A CN 200480002847A CN 1742429 A CN1742429 A CN 1742429A
- Authority
- CN
- China
- Prior art keywords
- signal
- filter
- digital
- pwm
- loop
- 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 15
- 238000013139 quantization Methods 0.000 claims abstract description 46
- 238000001914 filtration Methods 0.000 claims abstract description 23
- 230000009466 transformation Effects 0.000 claims description 16
- 238000003384 imaging method Methods 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 12
- 230000003321 amplification Effects 0.000 claims description 6
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 6
- 238000011002 quantification Methods 0.000 claims description 5
- 230000017531 blood circulation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 230000002123 temporal effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000005236 sound signal Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
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- 238000011161 development Methods 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
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- 238000001228 spectrum Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/331—Sigma delta modulation being used in an amplifying circuit
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Analogue/Digital Conversion (AREA)
Abstract
Description
Claims (15)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10303919.8 | 2003-01-31 | ||
DE10303919 | 2003-01-31 | ||
DE10327620.3 | 2003-06-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1742429A true CN1742429A (zh) | 2006-03-01 |
CN100502234C CN100502234C (zh) | 2009-06-17 |
Family
ID=32730654
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004800028478A Expired - Fee Related CN100502234C (zh) | 2003-01-31 | 2004-01-29 | 数字脉冲宽度调制装置及方法 |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN100502234C (zh) |
DE (1) | DE10327620B4 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102694553A (zh) * | 2011-03-23 | 2012-09-26 | 英飞凌科技股份有限公司 | 数据转换器电路和方法 |
CN110945783A (zh) * | 2017-08-04 | 2020-03-31 | 三菱电机株式会社 | 失真减轻量化器电路、减轻失真噪声的方法和数字发送机 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006006083B4 (de) | 2006-02-09 | 2014-09-04 | Infineon Technologies Ag | Vorrichtung und Verfahren zur Pulsweitenmodulation |
US9431973B2 (en) * | 2014-09-08 | 2016-08-30 | Qualcomm Technologies International, Ltd. | Pulse-width modulation generator |
US9748835B2 (en) | 2014-11-17 | 2017-08-29 | Infineon Technologies Austria Ag | Digital power factor correction |
DE102017117364B4 (de) * | 2017-08-01 | 2024-01-25 | Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr | Verfahren und Vorrichtung zum Betrieb eines mechatronischen Systems mit einem Konverter |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5829646B2 (ja) * | 1974-11-02 | 1983-06-24 | ソニー株式会社 | パルス幅変調増幅器 |
DE19619208A1 (de) * | 1996-05-11 | 1997-11-13 | Klugbauer Heilmeier Josef | Digitaler Verstärker |
DE10027164A1 (de) * | 2000-05-31 | 2001-12-06 | Ravi Sinha | Schaltungsanordnung und Verfahren zur Wandlung digitaler elektrischer Signale in kontinuierliche akustische Signale |
US6373334B1 (en) * | 2000-06-12 | 2002-04-16 | Cirrus Logic, Inc. | Real time correction of a digital PWM amplifier |
GB0110340D0 (en) * | 2001-04-27 | 2001-06-20 | Watts Robert D | A signal processing circuit |
US7200187B2 (en) * | 2001-07-26 | 2007-04-03 | O'brien Thomas J | Modulator for digital amplifier |
-
2003
- 2003-06-18 DE DE10327620.3A patent/DE10327620B4/de not_active Expired - Fee Related
-
2004
- 2004-01-29 CN CNB2004800028478A patent/CN100502234C/zh not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102694553A (zh) * | 2011-03-23 | 2012-09-26 | 英飞凌科技股份有限公司 | 数据转换器电路和方法 |
CN102694553B (zh) * | 2011-03-23 | 2015-10-28 | 英飞凌科技股份有限公司 | 数据转换器电路和方法 |
CN110945783A (zh) * | 2017-08-04 | 2020-03-31 | 三菱电机株式会社 | 失真减轻量化器电路、减轻失真噪声的方法和数字发送机 |
CN110945783B (zh) * | 2017-08-04 | 2023-08-11 | 三菱电机株式会社 | 失真减轻量化器电路、减轻失真噪声的方法和数字发送机 |
Also Published As
Publication number | Publication date |
---|---|
DE10327620B4 (de) | 2014-09-11 |
CN100502234C (zh) | 2009-06-17 |
DE10327620A1 (de) | 2004-08-19 |
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Legal Events
Date | Code | Title | Description |
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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: LANTIQ DEUTSCHLAND GMBH Free format text: FORMER OWNER: INFINEON TECHNOLOGIES WIRELESS SOLUTIONS AB Effective date: 20110415 Owner name: INFINEON TECHNOLOGIES WIRELESS SOLUTIONS AB Free format text: FORMER OWNER: INFINEON TECHNOLOGIES AG Effective date: 20110415 |
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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. |
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CP03 | Change of name, title or address |
Address after: German Neubiberg Patentee after: Infineon Technologies AG Address before: Munich, Germany Patentee before: INFINEON TECHNOLOGIES AG |
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TR01 | Transfer of patent right |
Effective date of registration: 20110415 Address after: German Neubiberg Patentee after: Lantiq Deutschland GmbH Address before: German Neubiberg Patentee before: Infineon Technologies Wireless Solutions Ltd. Effective date of registration: 20110415 Address after: German Neubiberg Patentee after: Infineon Technologies Wireless Solutions Ltd. Address before: German Neubiberg Patentee before: Infineon Technologies AG |
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TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20180509 Address after: German Neubiberg Patentee after: LANTIQ BETEILIGUNGS GmbH & Co.KG Address before: German Neubiberg Patentee before: Lantiq Deutschland GmbH |
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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: 20090617 |