ATE459137T1 - Digitaler signalwandler - Google Patents
Digitaler signalwandlerInfo
- Publication number
- ATE459137T1 ATE459137T1 AT07735276T AT07735276T ATE459137T1 AT E459137 T1 ATE459137 T1 AT E459137T1 AT 07735276 T AT07735276 T AT 07735276T AT 07735276 T AT07735276 T AT 07735276T AT E459137 T1 ATE459137 T1 AT E459137T1
- Authority
- AT
- Austria
- Prior art keywords
- signal
- digital
- pulse width
- mode
- converter
- Prior art date
Links
- 238000007493 shaping process Methods 0.000 abstract 2
- 230000007704 transition Effects 0.000 abstract 2
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M5/00—Conversion of the form of the representation of individual digits
- H03M5/02—Conversion to or from representation by pulses
- H03M5/04—Conversion to or from representation by pulses the pulses having two levels
- H03M5/06—Code representation, e.g. transition, for a given bit cell depending only on the information in that bit cell
- H03M5/08—Code representation by pulse width
-
- 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
- H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
- H03F1/305—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in case of switching on or off of a power supply
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/06—Continuously compensating for, or preventing, undesired influence of physical parameters
- H03M1/08—Continuously compensating for, or preventing, undesired influence of physical parameters of noise
- H03M1/0863—Continuously compensating for, or preventing, undesired influence of physical parameters of noise of switching transients, e.g. glitches
- H03M1/0881—Continuously compensating for, or preventing, undesired influence of physical parameters of noise of switching transients, e.g. glitches by forcing a gradual change from one output level to the next, e.g. soft-start
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/342—Pulse code modulation being used in an amplifying circuit
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/351—Pulse width modulation being used in an amplifying circuit
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/372—Noise reduction and elimination in amplifier
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/66—Digital/analogue converters
- H03M1/82—Digital/analogue converters with intermediate conversion to time interval
- H03M1/822—Digital/analogue converters with intermediate conversion to time interval using pulse width modulation
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Theoretical Computer Science (AREA)
- Amplifiers (AREA)
- Analogue/Digital Conversion (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Devices For Supply Of Signal Current (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06112124 | 2006-03-31 | ||
PCT/IB2007/051073 WO2007113736A1 (en) | 2006-03-31 | 2007-03-27 | Digital signal converter |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE459137T1 true ATE459137T1 (de) | 2010-03-15 |
Family
ID=38229758
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT07735276T ATE459137T1 (de) | 2006-03-31 | 2007-03-27 | Digitaler signalwandler |
Country Status (7)
Country | Link |
---|---|
US (1) | US7961020B2 (de) |
EP (1) | EP2005593B1 (de) |
JP (1) | JP4897873B2 (de) |
CN (1) | CN101416397B (de) |
AT (1) | ATE459137T1 (de) |
DE (1) | DE602007004966D1 (de) |
WO (1) | WO2007113736A1 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITMI20080930A1 (it) * | 2008-05-21 | 2009-11-22 | St Microelectronics Srl | Circuito di amplificazione per il pilotaggio di un diffusore |
CN102237863A (zh) * | 2010-04-21 | 2011-11-09 | 中兴电工机械股份有限公司 | 数位信号处理器 |
JP6098517B2 (ja) | 2011-09-26 | 2017-03-22 | 日本電気株式会社 | デジタルオーディオアンプ及び電源回路 |
US9118309B2 (en) * | 2012-10-18 | 2015-08-25 | Nanya Technology Corp. | Shifter can avoid utilizing partial pulse |
US9244516B2 (en) * | 2013-09-30 | 2016-01-26 | Sonos, Inc. | Media playback system using standby mode in a mesh network |
CN104753537B (zh) * | 2015-03-18 | 2018-03-09 | 北京航天自动控制研究所 | 一种用于惯性产品的数字与脉冲转换系统及方法 |
FR3072532A1 (fr) * | 2017-10-17 | 2019-04-19 | Dolphin Integration | Generateur de rampe et modulateur pour reduire les bruits de claquement |
US10965307B2 (en) | 2017-12-05 | 2021-03-30 | Sony Corporation | Signal processing apparatus, signal processing method, and program |
CN108768137B (zh) * | 2018-06-02 | 2020-04-07 | 青岛职业技术学院 | 一种数字信号转换器 |
CN108768309A (zh) * | 2018-06-11 | 2018-11-06 | 聚辰半导体(上海)有限公司 | 音频功率放大器及其瞬态噪声抑制方法 |
US10476444B1 (en) * | 2018-09-26 | 2019-11-12 | Cirrus Logic, Inc. | Cross-fading in dual-path pulse width modulation system |
CN110798359B (zh) * | 2019-11-06 | 2022-02-25 | 中国电子科技集团公司第三十研究所 | 一种自动切换高可靠的用户放号方法 |
JP2023085989A (ja) * | 2021-12-09 | 2023-06-21 | 富士通株式会社 | 量子化器、及び光送信機 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2578344B2 (ja) | 1987-12-08 | 1997-02-05 | 横河電機株式会社 | クロックジェネレータ |
JP3103908B2 (ja) | 1992-02-28 | 2000-10-30 | ソニー株式会社 | デジタル/アナログ変換回路 |
US5559467A (en) * | 1995-01-27 | 1996-09-24 | The Regents Of The University Of California | Digital, pulse width modulation audio power amplifier with noise and ripple shaping |
US6522278B1 (en) * | 1997-09-30 | 2003-02-18 | Cirrus Logic, Inc. | Digital-to-analog converter with power up/down transient suppression and automatic rate switching |
US6229390B1 (en) | 1999-03-09 | 2001-05-08 | Tripath Technology, Inc. | Methods and apparatus for noise shaping a mixed signal power output |
US6538590B1 (en) * | 2001-04-02 | 2003-03-25 | Cirrus Logic, Inc. | Transient noise reduction circuits, systems and methods in power digital-to-analog converters |
US7034609B2 (en) * | 2003-11-12 | 2006-04-25 | Texas Instruments Incorporated | Switching circuits |
CN100514842C (zh) * | 2004-04-21 | 2009-07-15 | 罗姆股份有限公司 | 信号输出电路、使用其的音频信号输出装置、电子设备 |
JP4563737B2 (ja) * | 2004-07-02 | 2010-10-13 | ルネサスエレクトロニクス株式会社 | パルス幅変調回路 |
-
2007
- 2007-03-27 JP JP2009502305A patent/JP4897873B2/ja not_active Expired - Fee Related
- 2007-03-27 EP EP07735276A patent/EP2005593B1/de active Active
- 2007-03-27 CN CN2007800119979A patent/CN101416397B/zh active Active
- 2007-03-27 AT AT07735276T patent/ATE459137T1/de not_active IP Right Cessation
- 2007-03-27 DE DE602007004966T patent/DE602007004966D1/de active Active
- 2007-03-27 US US12/293,816 patent/US7961020B2/en active Active
- 2007-03-27 WO PCT/IB2007/051073 patent/WO2007113736A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
JP2009531932A (ja) | 2009-09-03 |
JP4897873B2 (ja) | 2012-03-14 |
WO2007113736A1 (en) | 2007-10-11 |
US20100289546A1 (en) | 2010-11-18 |
CN101416397A (zh) | 2009-04-22 |
CN101416397B (zh) | 2012-03-28 |
EP2005593B1 (de) | 2010-02-24 |
DE602007004966D1 (de) | 2010-04-08 |
US7961020B2 (en) | 2011-06-14 |
EP2005593A1 (de) | 2008-12-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |