WO2001011785A3 - Kaskadierter sigma-delta-modulator - Google Patents
Kaskadierter sigma-delta-modulator Download PDFInfo
- Publication number
- WO2001011785A3 WO2001011785A3 PCT/DE2000/002604 DE0002604W WO0111785A3 WO 2001011785 A3 WO2001011785 A3 WO 2001011785A3 DE 0002604 W DE0002604 W DE 0002604W WO 0111785 A3 WO0111785 A3 WO 0111785A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sigma
- delta modulator
- cascade
- delta
- routed
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/3002—Conversion to or from differential modulation
- H03M7/3004—Digital delta-sigma modulation
- H03M7/3015—Structural details of digital delta-sigma modulators
- H03M7/302—Structural details of digital delta-sigma modulators characterised by the number of quantisers and their type and resolution
- H03M7/3022—Structural details of digital 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
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/806,927 US6518904B1 (en) | 1999-08-06 | 2000-08-03 | Cascade sigma-delta modulator |
JP2001515542A JP2004500745A (ja) | 1999-08-06 | 2000-08-03 | カスケード・シグマデルタ変調器 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19937246.2 | 1999-08-06 | ||
DE19937246A DE19937246B4 (de) | 1999-08-06 | 1999-08-06 | Kaskadierter Sigma-Delta-Modulator |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2001011785A2 WO2001011785A2 (de) | 2001-02-15 |
WO2001011785A3 true WO2001011785A3 (de) | 2001-09-27 |
Family
ID=7917507
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2000/002604 WO2001011785A2 (de) | 1999-08-06 | 2000-08-03 | Kaskadierter sigma-delta-modulator |
Country Status (5)
Country | Link |
---|---|
US (1) | US6518904B1 (de) |
JP (1) | JP2004500745A (de) |
CN (1) | CN1135706C (de) |
DE (1) | DE19937246B4 (de) |
WO (1) | WO2001011785A2 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1335494A1 (de) | 2001-12-19 | 2003-08-13 | Siemens Aktiengesellschaft | Sigma-Delta-Wandler mit Rauschunterdrückung |
EP1333583A1 (de) | 2001-12-19 | 2003-08-06 | Siemens Aktiengesellschaft | Breitbandiger Sigma-Delta-Modulator |
DE10162565A1 (de) * | 2001-12-19 | 2003-07-17 | Siemens Ag | Breitbandiger Sigma-Delta-Modulator |
US6842128B2 (en) * | 2003-02-28 | 2005-01-11 | Texas Instruments Incorporated | Higher order sigma-delta analog-to-digital converter based on finite impulse response filter |
US7561635B2 (en) * | 2003-08-05 | 2009-07-14 | Stmicroelectronics Nv | Variable coder apparatus for resonant power conversion and method |
GB2440192B (en) * | 2006-07-17 | 2011-05-04 | Ubidyne Inc | Antenna array system |
US7460046B2 (en) * | 2006-12-22 | 2008-12-02 | Infineon Technologies Ag | Sigma-delta modulators |
CN102340314A (zh) * | 2010-07-28 | 2012-02-01 | 中兴通讯股份有限公司 | 一种∑-δ调制器 |
US20120128040A1 (en) | 2010-11-23 | 2012-05-24 | Peter Kenington | Module for an Active Antenna System |
US9231614B2 (en) * | 2014-04-07 | 2016-01-05 | Analog Devices, Inc. | Cancellation of feedback digital-to-analog converter errors in multi-stage delta-sigma analog-to-digital converters |
JP5997803B2 (ja) * | 2015-05-22 | 2016-09-28 | 株式会社日立製作所 | 無線送信機、無線受信機、無線通信システム、昇降機制御システムおよび変電設備制御システム |
US9385746B1 (en) * | 2015-07-28 | 2016-07-05 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Dynamic offset cancellation in sigma-delta converter |
US9742426B2 (en) * | 2015-12-15 | 2017-08-22 | Analog Devices, Inc. | Signal transfer function equalization in multi-stage delta-sigma analog-to-digital converters |
US9838031B2 (en) | 2015-12-16 | 2017-12-05 | Analog Devices Global | Dither injection for continuous-time MASH ADCS |
US9768793B2 (en) * | 2015-12-17 | 2017-09-19 | Analog Devices Global | Adaptive digital quantization noise cancellation filters for mash ADCs |
US9503120B1 (en) | 2016-02-29 | 2016-11-22 | Analog Devices Global | Signal dependent subtractive dithering |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5648779A (en) * | 1994-12-09 | 1997-07-15 | Advanced Micro Devices, Inc. | Sigma-delta modulator having reduced delay from input to output |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100219021B1 (ko) * | 1990-04-06 | 1999-09-01 | 제이 엘. 차스킨, 버나드 스나이더, 아더엠. 킹 | 성분 감도가 낮은 오버샘플된 3차 시그마 델타 아날로그-디지탈 변환기 네트워크 |
NL9001441A (nl) * | 1990-06-22 | 1992-01-16 | Philips Nv | Sigma-delta modulator. |
US5225787A (en) * | 1991-05-10 | 1993-07-06 | U.S. Philips Corporation | Sampling frequency converter including a sigma-delta modulator |
US5144308A (en) * | 1991-05-21 | 1992-09-01 | At&T Bell Laboratories | Idle channel tone and periodic noise suppression for sigma-delta modulators using high-level dither |
US5392040A (en) * | 1992-02-24 | 1995-02-21 | Sanyo Electric Co., Ltd. | Bit compression circuit used for a delta sigma type digital-to-analog converter |
DE4208232A1 (de) * | 1992-03-14 | 1993-09-16 | Siegbert Prof Dr Ing Hentschke | Kompensierender digital-analog-wandler mit aufloesungserhoehender rauschfilterung |
JPH05284033A (ja) * | 1992-03-31 | 1993-10-29 | Yokogawa Electric Corp | Σδ変調器 |
US5274375A (en) * | 1992-04-17 | 1993-12-28 | Crystal Semiconductor Corporation | Delta-sigma modulator for an analog-to-digital converter with low thermal noise performance |
US5414424A (en) * | 1993-08-26 | 1995-05-09 | Advanced Micro Devices, Inc. | Fourth-order cascaded sigma-delta modulator |
JP3367800B2 (ja) * | 1994-09-30 | 2003-01-20 | 株式会社東芝 | 選択装置およびこれを用いたa/d変換器並びにd/a変換器 |
US5760722A (en) * | 1995-01-31 | 1998-06-02 | The United States Of America As Represented By The Secretary Of The Navy | Distributed quantization noise transmission zeros in cascaded sigma-delta modulators |
KR100189525B1 (ko) * | 1995-08-08 | 1999-06-01 | 윤종용 | 시그마 델타 변조방식의 디지탈/아나로그 변환장치 |
DE19722434C1 (de) * | 1997-05-28 | 1998-10-01 | Siemens Ag | Vorrichtung zur Digital-Analog-Wandlung mit hoher Linearität |
JP4209035B2 (ja) * | 1999-05-28 | 2009-01-14 | 株式会社ルネサステクノロジ | Δςモジュレータ、daコンバータ、および、adコンバータ |
-
1999
- 1999-08-06 DE DE19937246A patent/DE19937246B4/de not_active Expired - Fee Related
-
2000
- 2000-08-03 US US09/806,927 patent/US6518904B1/en not_active Expired - Lifetime
- 2000-08-03 JP JP2001515542A patent/JP2004500745A/ja active Pending
- 2000-08-03 CN CNB008021155A patent/CN1135706C/zh not_active Expired - Fee Related
- 2000-08-03 WO PCT/DE2000/002604 patent/WO2001011785A2/de active Application Filing
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5648779A (en) * | 1994-12-09 | 1997-07-15 | Advanced Micro Devices, Inc. | Sigma-delta modulator having reduced delay from input to output |
Non-Patent Citations (2)
Title |
---|
DUNN C ET AL: "EFFICIENT LINEARISATION OF SIGMA-DELTA MODULATORS USING SINGLE-BIT DITHER", ELECTRONICS LETTERS,GB,IEE STEVENAGE, vol. 31, no. 12, 8 June 1995 (1995-06-08), pages 941 - 942, XP000528826, ISSN: 0013-5194 * |
FISCHER G ET AL: "ALTERNATIVE TOPOLOGIES FOR SIGMA-DELTA MODULATORS - A COMPARATIVE STUDY", IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II: ANALOG AND DIGITAL SIGNAL PROCESSING,US,IEEE INC. NEW YORK, vol. 44, no. 10, 1 October 1997 (1997-10-01), pages 789 - 797, XP000738779, ISSN: 1057-7130 * |
Also Published As
Publication number | Publication date |
---|---|
JP2004500745A (ja) | 2004-01-08 |
DE19937246B4 (de) | 2005-12-22 |
WO2001011785A2 (de) | 2001-02-15 |
CN1135706C (zh) | 2004-01-21 |
DE19937246A1 (de) | 2001-03-22 |
US6518904B1 (en) | 2003-02-11 |
CN1338152A (zh) | 2002-02-27 |
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