CN1223755A - 开关电流δ-σ调制器 - Google Patents
开关电流δ-σ调制器 Download PDFInfo
- Publication number
- CN1223755A CN1223755A CN97196001A CN97196001A CN1223755A CN 1223755 A CN1223755 A CN 1223755A CN 97196001 A CN97196001 A CN 97196001A CN 97196001 A CN97196001 A CN 97196001A CN 1223755 A CN1223755 A CN 1223755A
- Authority
- CN
- China
- Prior art keywords
- digital
- signal
- analog
- output signal
- modulator
- 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
Images
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M3/00—Conversion of analogue values to or from differential modulation
- H03M3/30—Delta-sigma modulation
- H03M3/32—Delta-sigma modulation with special provisions or arrangements for power saving, e.g. by allowing a sleep mode, using lower supply voltage for downstream stages, using multiple clock domains, by selectively turning on stages when needed
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M3/00—Conversion of analogue values to or from differential modulation
- H03M3/30—Delta-sigma modulation
- H03M3/39—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators
- H03M3/412—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution
- H03M3/414—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having multiple quantisers arranged in cascaded loops, each of the second and further loops processing the quantisation error of the loop preceding it, i.e. multiple stage noise shaping [MASH] type
- H03M3/418—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having multiple quantisers arranged in cascaded loops, each of the second and further loops processing the quantisation error of the loop preceding it, i.e. multiple stage noise shaping [MASH] type all these quantisers being single bit quantisers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M3/00—Conversion of analogue values to or from differential modulation
- H03M3/30—Delta-sigma modulation
- H03M3/39—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators
- H03M3/412—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution
- H03M3/422—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only
- H03M3/43—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only the quantiser being a single bit one
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M3/00—Conversion of analogue values to or from differential modulation
- H03M3/30—Delta-sigma modulation
- H03M3/39—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators
- H03M3/436—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type
- H03M3/438—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type the modulator having a higher order loop filter in the feedforward path
- H03M3/454—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type the modulator having a higher order loop filter in the feedforward path with distributed feedback, i.e. with feedback paths from the quantiser output to more than one filter stage
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
Description
Claims (18)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/646,970 US5818374A (en) | 1996-05-08 | 1996-05-08 | Switched current delta-sigma modulator |
US08/646,970 | 1996-05-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1223755A true CN1223755A (zh) | 1999-07-21 |
CN1146114C CN1146114C (zh) | 2004-04-14 |
Family
ID=24595184
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB971960011A Expired - Fee Related CN1146114C (zh) | 1996-05-08 | 1997-05-07 | 开关电流δ-σ调制器 |
Country Status (9)
Country | Link |
---|---|
US (1) | US5818374A (zh) |
EP (1) | EP0897619B1 (zh) |
JP (1) | JP2000509927A (zh) |
CN (1) | CN1146114C (zh) |
AU (1) | AU2984097A (zh) |
CA (1) | CA2253747C (zh) |
DE (1) | DE69729794T2 (zh) |
TW (1) | TW383519B (zh) |
WO (1) | WO1997042714A1 (zh) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100367674C (zh) * | 2003-07-11 | 2008-02-06 | 因芬尼昂技术股份公司 | ∑-△变换装置 |
CN100492914C (zh) * | 2005-03-03 | 2009-05-27 | 阿纳洛格装置公司 | 控制调制器中积分器级状态变量的装置和方法 |
CN101246507B (zh) * | 2007-12-29 | 2010-09-29 | 湖南大学 | 一种∑δ调制器开关电流集成电路的参数设计优化方法 |
CN101965686A (zh) * | 2008-02-26 | 2011-02-02 | 美国思睿逻辑有限公司 | 变压器隔离的模数转换器(adc)反馈装置和方法 |
CN102055703A (zh) * | 2009-11-09 | 2011-05-11 | 刘伯安 | 一种ofdm通讯系统的射频接收机的实现方法 |
CN108063621A (zh) * | 2017-12-01 | 2018-05-22 | 宁波芯路通讯科技有限公司 | 可变架构的sigma-delta数据转换器 |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW418573B (en) * | 1997-01-06 | 2001-01-11 | Yamaha Corp | Delta-sigma A/D converter |
US6614285B2 (en) | 1998-04-03 | 2003-09-02 | Cirrus Logic, Inc. | Switched capacitor integrator having very low power and low distortion and noise |
US6369745B1 (en) * | 1998-04-03 | 2002-04-09 | Cirrus Logic, Inc. | Analog to digital switched capacitor converter using a delta sigma modulator having very low power, distortion and noise |
US6249236B1 (en) * | 1998-04-03 | 2001-06-19 | Cirrus Logic, Inc. | Low power seismic device interface and system for capturing seismic signals |
US6816100B1 (en) | 1999-03-12 | 2004-11-09 | The Regents Of The University Of California | Analog-to-digital converters with common-mode rejection dynamic element matching, including as used in delta-sigma modulators |
FI107664B (fi) | 1999-09-03 | 2001-09-14 | Nokia Mobile Phones Ltd | Delta-sigma-modulaattori, jossa on kaksivaiheinen kvantisointi, sekä menetelmä kaksivaiheisen kvantisoinnin käyttämiseksi delta-sigma-modulaatiossa |
US6369729B1 (en) * | 1999-10-08 | 2002-04-09 | Cirrus Logic, Inc. | Common mode shift in downstream integrators of high order delta sigma modulators |
US6414615B1 (en) * | 2000-03-22 | 2002-07-02 | Raytheon Company | Excess delay compensation in a delta sigma modulator analog-to-digital converter |
US6831577B1 (en) * | 2001-02-02 | 2004-12-14 | Sonion A/S | Sigma delta modulator having enlarged dynamic range due to stabilized signal swing |
US6400297B1 (en) * | 2001-04-26 | 2002-06-04 | Cirrus Logic, Inc. | Method and system for operating two or more integrators with different power supplies for an analog-to-digital delta-sigma modulator |
JP3647806B2 (ja) * | 2001-12-26 | 2005-05-18 | 松下電器産業株式会社 | A/d変換器、a/d変換方法および信号処理装置 |
US6697000B2 (en) * | 2002-03-08 | 2004-02-24 | Zarlink Semiconductor (U.S.) Inc. | Delta-sigma modulator with feed-forward path |
DE10342056B4 (de) * | 2003-09-11 | 2005-11-10 | Infineon Technologies Ag | Additionsschaltung für Sigma-Delta-Modulatorschaltungen |
GB2446966B (en) | 2006-04-12 | 2010-07-07 | Wolfson Microelectronics Plc | Digital circuit arrangements for ambient noise-reduction |
KR100791634B1 (ko) | 2006-09-29 | 2008-01-04 | 고려대학교 산학협력단 | 낮은 전력소모를 갖는 델타 시그마 모듈레이터 및 이를포함하는 심박 조율 장치 |
US7420493B2 (en) * | 2007-01-10 | 2008-09-02 | Texas Instruments Incorporated | Extended range delta-sigma modulator and delta-sigma power converter |
US7656687B2 (en) | 2007-12-11 | 2010-02-02 | Cirrus Logic, Inc. | Modulated transformer-coupled gate control signaling method and apparatus |
US8014176B2 (en) | 2008-07-25 | 2011-09-06 | Cirrus Logic, Inc. | Resonant switching power converter with burst mode transition shaping |
US7936291B2 (en) | 2008-10-10 | 2011-05-03 | Robert Bosch Gmbh | System and method for removing nonlinearities and cancelling offset errors in comparator based/zero crossing based switched capacitor circuits |
JP2010263483A (ja) * | 2009-05-08 | 2010-11-18 | Sony Corp | Δς変調器 |
KR102384362B1 (ko) | 2015-07-17 | 2022-04-07 | 삼성전자주식회사 | 노이즈를 성형하기 위한 델타 시그마 변조기 그리고 이를 포함하는 오디오 코덱 |
JP6616485B2 (ja) * | 2017-12-26 | 2019-12-04 | 旭化成エレクトロニクス株式会社 | デルタシグマ変調器およびデルタシグマ変換器 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2659745B2 (ja) * | 1987-03-26 | 1997-09-30 | キヤノン株式会社 | ▲iii▼−v族化合物結晶物品およびその形成方法 |
FI80548C (fi) * | 1988-11-09 | 1990-06-11 | Nokia Oy Ab | Foerfarande foer kaskadkoppling av tvao eller flera sigma-deltamodulatorer samt ett sigma-delta-modulatorsystem. |
JPH03212923A (ja) * | 1990-01-18 | 1991-09-18 | Fujitsu Ltd | 薄膜多層基板の形成方法 |
US5065157A (en) * | 1990-04-06 | 1991-11-12 | General Electric Company | High order sigma delta oversampled analog-to-digital converter integrated circuit network with minimal power dissipation and chip area requirements |
US5187482A (en) * | 1992-03-02 | 1993-02-16 | General Electric Company | Delta sigma analog-to-digital converter with increased dynamic range |
JPH05304475A (ja) * | 1992-04-10 | 1993-11-16 | Nec Corp | ノイズシェイパ |
US5414424A (en) * | 1993-08-26 | 1995-05-09 | Advanced Micro Devices, Inc. | Fourth-order cascaded sigma-delta modulator |
-
1996
- 1996-05-08 US US08/646,970 patent/US5818374A/en not_active Expired - Lifetime
-
1997
- 1997-05-07 CA CA002253747A patent/CA2253747C/en not_active Expired - Fee Related
- 1997-05-07 WO PCT/SE1997/000765 patent/WO1997042714A1/en not_active Application Discontinuation
- 1997-05-07 AU AU29840/97A patent/AU2984097A/en not_active Abandoned
- 1997-05-07 JP JP9539853A patent/JP2000509927A/ja not_active Abandoned
- 1997-05-07 DE DE69729794T patent/DE69729794T2/de not_active Expired - Fee Related
- 1997-05-07 EP EP97924416A patent/EP0897619B1/en not_active Expired - Lifetime
- 1997-05-07 CN CNB971960011A patent/CN1146114C/zh not_active Expired - Fee Related
- 1997-05-08 TW TW086106103A patent/TW383519B/zh not_active IP Right Cessation
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100367674C (zh) * | 2003-07-11 | 2008-02-06 | 因芬尼昂技术股份公司 | ∑-△变换装置 |
CN100492914C (zh) * | 2005-03-03 | 2009-05-27 | 阿纳洛格装置公司 | 控制调制器中积分器级状态变量的装置和方法 |
CN101246507B (zh) * | 2007-12-29 | 2010-09-29 | 湖南大学 | 一种∑δ调制器开关电流集成电路的参数设计优化方法 |
CN101965686A (zh) * | 2008-02-26 | 2011-02-02 | 美国思睿逻辑有限公司 | 变压器隔离的模数转换器(adc)反馈装置和方法 |
CN101965686B (zh) * | 2008-02-26 | 2013-07-31 | 美国思睿逻辑有限公司 | 变压器隔离的模数转换器(adc)反馈装置和方法 |
CN102055703A (zh) * | 2009-11-09 | 2011-05-11 | 刘伯安 | 一种ofdm通讯系统的射频接收机的实现方法 |
CN108063621A (zh) * | 2017-12-01 | 2018-05-22 | 宁波芯路通讯科技有限公司 | 可变架构的sigma-delta数据转换器 |
CN108063621B (zh) * | 2017-12-01 | 2021-05-25 | 宁波芯路通讯科技有限公司 | 可变架构的sigma-delta数据转换器 |
Also Published As
Publication number | Publication date |
---|---|
WO1997042714A1 (en) | 1997-11-13 |
DE69729794D1 (de) | 2004-08-12 |
DE69729794T2 (de) | 2005-07-14 |
TW383519B (en) | 2000-03-01 |
JP2000509927A (ja) | 2000-08-02 |
EP0897619B1 (en) | 2004-07-07 |
CA2253747A1 (en) | 1997-11-13 |
CN1146114C (zh) | 2004-04-14 |
US5818374A (en) | 1998-10-06 |
CA2253747C (en) | 2005-09-13 |
EP0897619A1 (en) | 1999-02-24 |
AU2984097A (en) | 1997-11-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1146114C (zh) | 开关电流δ-σ调制器 | |
US5550544A (en) | Signal converter, noise shaper, AD converter and DA converter | |
US6326912B1 (en) | Analog-to-digital conversion using a multi-bit analog delta-sigma modulator combined with a one-bit digital delta-sigma modulator | |
CN1582534B (zh) | 可变全刻度的多比特σ-δ模数变换器 | |
US6724332B1 (en) | Noise shaping circuits and methods with feedback steering overload compensation and systems using the same | |
CN105356884B (zh) | 基于Sigma-Delta模数转换器的传感器读出电路 | |
US6313775B1 (en) | Delta-sigma modulator with two-step quantization, and method for using two-step quantization in delta-sigma modulation | |
US20020093441A1 (en) | Sigma-delta analog-to-digital converter array | |
US20090309774A1 (en) | Delta-sigma modulator | |
US20050052300A1 (en) | Single loop feed-forward modulator with summing flash quantizer and multi-bit feedback | |
JP2008092606A (ja) | アナログ−デジタル変調器 | |
CN101715628A (zh) | 低功率数模转换器 | |
CN1203484A (zh) | 具有较高线性的数-模转换器件 | |
US6741197B1 (en) | Digital-to-analog converter (DAC) output stage | |
US6697000B2 (en) | Delta-sigma modulator with feed-forward path | |
KR100676334B1 (ko) | 스위치된전류델타시그마변조기 | |
EP1678832B1 (en) | Delta sigma modulator with integral decimation | |
CN1112777C (zh) | 信号处理方法和装置 | |
Williams | An audio DAC with 90 dB linearity using MOS to metal-metal charge transfer | |
CN114900189B (zh) | 低噪声泄露的mashδς调制器 | |
EP1681769B1 (en) | Integrated circuit containing a delta-sigma modulator with two-step quantization | |
Chiang et al. | A novel wideband low-distortion cascaded sigma-delta ADC | |
CN118100945A (zh) | 一种带斩波的Sigma-Delta调制器电路 | |
CN104883189A (zh) | 包含级间路径的级联结构Sigma-Delta调制器 | |
Chang et al. | A 11.75-bit Hybrid Sturdy MASH-21 Δ-Σ Modulator for Audio Applications |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
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: INFINEON TECHNOLOGIES AG Free format text: FORMER OWNER: ELLISON TELEPHONE CO., LTD. Effective date: 20040827 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20040827 Address after: Munich, Germany Patentee after: Infennian Technologies AG Address before: Stockholm Patentee before: Ericsson Telephone AB |
|
REG | Reference to a national code |
Ref country code: HK Ref legal event code: WD Ref document number: 1021272 Country of ref document: HK |
|
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |