CN103875184A - 具有减少的量化级的多级σ-δ模数转换器 - Google Patents
具有减少的量化级的多级σ-δ模数转换器 Download PDFInfo
- Publication number
- CN103875184A CN103875184A CN201280050525.5A CN201280050525A CN103875184A CN 103875184 A CN103875184 A CN 103875184A CN 201280050525 A CN201280050525 A CN 201280050525A CN 103875184 A CN103875184 A CN 103875184A
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- CN
- China
- Prior art keywords
- analog signal
- transducer
- directapath
- computing block
- quantizer
- 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.)
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- 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
-
- 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
-
- 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
- H03M3/424—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 multiple 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
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
Description
Claims (15)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP11185107.7 | 2011-10-13 | ||
EP11185107.7A EP2582050B1 (en) | 2011-10-13 | 2011-10-13 | Multi-level sigma-delta ADC with reduced quantization levels |
US201161549462P | 2011-10-20 | 2011-10-20 | |
US61/549,462 | 2011-10-20 | ||
PCT/EP2012/069818 WO2013053659A1 (en) | 2011-10-13 | 2012-10-08 | Multi-level sigma-delta adc with reduced quantization levels. |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103875184A true CN103875184A (zh) | 2014-06-18 |
CN103875184B CN103875184B (zh) | 2017-03-22 |
Family
ID=44785620
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201280050525.5A Active CN103875184B (zh) | 2011-10-13 | 2012-10-08 | 具有减少的量化级的多级σ‑δ模数转换器 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8890735B2 (zh) |
EP (1) | EP2582050B1 (zh) |
CN (1) | CN103875184B (zh) |
WO (1) | WO2013053659A1 (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9112522B2 (en) * | 2013-07-02 | 2015-08-18 | Enphase Energy, Inc. | Delta conversion analog to digital converter providing direct and quadrature output |
US9634687B2 (en) * | 2015-06-10 | 2017-04-25 | Mediatek Inc. | VCO-based continuous-time sigma delta modulator equipped with truncation circuit and phase-domain excess loop delay compensation |
US10075181B2 (en) | 2015-06-10 | 2018-09-11 | Mediatek Inc. | ΔΣ modulator with excess loop delay compensation |
EP4040682A1 (en) * | 2021-02-05 | 2022-08-10 | Imec VZW | An analog-to-digital converter circuitry, an integrated circuit device, a photoplethysmogram detector, a wearable device and a method for analog-to-digital conversion |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5627536A (en) | 1994-12-27 | 1997-05-06 | Advanced Micro Devices, Inc. | Multiplexed delta-sigma modulator |
US6304608B1 (en) * | 1998-11-04 | 2001-10-16 | Tai-Haur Kuo | Multibit sigma-delta converters employing dynamic element matching with reduced baseband tones |
TW513861B (en) * | 2001-12-27 | 2002-12-11 | Ind Tech Res Inst | Improved third order sigma-delta modulator |
JP4270998B2 (ja) * | 2003-10-08 | 2009-06-03 | Necエレクトロニクス株式会社 | アナログ信号出力回路及び該アナログ信号出力回路を用いたマルチレベルδς変調器 |
US6891488B1 (en) * | 2003-10-30 | 2005-05-10 | Intel Corporation | Sigma-delta conversion with analog, nonvolatile trimmed quantized feedback |
US7548178B2 (en) * | 2006-03-10 | 2009-06-16 | Nvidia Corporation | Method and apparatus for ADC size and performance optimization |
US7538705B2 (en) * | 2006-07-25 | 2009-05-26 | Microchip Technology Incorporated | Offset cancellation and reduced source induced 1/f noise of voltage reference by using bit stream from over-sampling analog-to-digital converter |
US7423567B2 (en) | 2006-09-12 | 2008-09-09 | Cirrus Logic, Inc. | Analog-to-digital converter (ADC) having a reduced number of quantizer output levels |
US7786912B2 (en) * | 2006-12-01 | 2010-08-31 | Intersil Americas Inc. | Sigma delta converter system and method |
ATE534193T1 (de) * | 2008-07-01 | 2011-12-15 | Ericsson Telefon Ab L M | Delta-sigma analog-zu-digital-wandler, funkempfänger, kommunikationsvorrichtung, verfahren und computerprogramm |
TWI369861B (en) * | 2008-12-30 | 2012-08-01 | Nat Univ Chung Cheng | An automatic adaptive method and structure for improving dynamic range of sigma-delta modulators |
CN101640539B (zh) * | 2009-06-19 | 2013-04-10 | 浙江大学 | Sigma-Delta模数转换器 |
US7948414B2 (en) | 2009-08-09 | 2011-05-24 | Mediatek, Inc. | Delta-sigma analog-to-digital conversion apparatus and method thereof |
US8736473B2 (en) | 2010-08-16 | 2014-05-27 | Nxp, B.V. | Low power high dynamic range sigma-delta modulator |
-
2011
- 2011-10-13 EP EP11185107.7A patent/EP2582050B1/en not_active Not-in-force
-
2012
- 2012-10-08 WO PCT/EP2012/069818 patent/WO2013053659A1/en active Application Filing
- 2012-10-08 CN CN201280050525.5A patent/CN103875184B/zh active Active
- 2012-10-08 US US14/351,059 patent/US8890735B2/en active Active
Non-Patent Citations (1)
Title |
---|
EDOARDO BONIZZONI 等: ""Third-Order ΣΔ Modulator with 61-db SNR and 6-MHZ Bandwidth Consuming 6 mW"", 《ESSCIRC 2008,34TH EUROPEAN SOLID-STATE CIRCUITS CONFERENCE》 * |
Also Published As
Publication number | Publication date |
---|---|
US8890735B2 (en) | 2014-11-18 |
EP2582050A1 (en) | 2013-04-17 |
CN103875184B (zh) | 2017-03-22 |
EP2582050B1 (en) | 2017-08-09 |
WO2013053659A1 (en) | 2013-04-18 |
US20140247169A1 (en) | 2014-09-04 |
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TR01 | Transfer of patent right |
Effective date of registration: 20190617 Address after: Stockholm Patentee after: Telefonaktiebolaget LM Ericsson (publ) Address before: Dublin, Ireland Patentee before: OCT Circuit Technology International Co.,Ltd. Effective date of registration: 20190617 Address after: Dublin, Ireland Patentee after: OCT Circuit Technology International Co.,Ltd. Address before: Planet, Geneva, Switzerland Patentee before: Italian-French Ericsson Limited (in liquidation) Effective date of registration: 20190617 Address after: Planet, Geneva, Switzerland Patentee after: Italian-French Ericsson Limited (in liquidation) Address before: Swiss Prang Eli Ute Jean Deferre at No. 39 Patentee before: St-Ericsson S.A. |
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Effective date of registration: 20190716 Address after: No. 18, Wu Sha seashore road, Changan Town, Dongguan, Guangdong Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Stockholm Patentee before: Telefonaktiebolaget LM Ericsson (publ) |