CN100527636C - 宽带的西格玛-得尔塔调制器 - Google Patents
宽带的西格玛-得尔塔调制器 Download PDFInfo
- Publication number
- CN100527636C CN100527636C CNB028254007A CN02825400A CN100527636C CN 100527636 C CN100527636 C CN 100527636C CN B028254007 A CNB028254007 A CN B028254007A CN 02825400 A CN02825400 A CN 02825400A CN 100527636 C CN100527636 C CN 100527636C
- Authority
- CN
- China
- Prior art keywords
- sigma
- signal
- erta
- modulator
- input signal
- 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.)
- Expired - Fee Related
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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
- H03M7/3006—Compensating for, or preventing of, undesired influence of physical parameters
- H03M7/3011—Compensating for, or preventing of, undesired influence of physical parameters of non-linear distortion, e.g. by temporarily adapting the operation upon detection of instability conditions
-
- 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
-
- 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
- H03M7/3031—Structural details of digital delta-sigma modulators characterised by the order of the loop filter, e.g. having a first order loop filter in the feedforward path
- H03M7/3042—Structural details of digital delta-sigma modulators characterised by the order of the loop filter, e.g. having a first order loop filter in the feedforward path the modulator being of the error feedback type, i.e. having loop filter stages in the feedback path only
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
Description
Claims (11)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01130334A EP1333583A1 (de) | 2001-12-19 | 2001-12-19 | Breitbandiger Sigma-Delta-Modulator |
EP01130334.4 | 2001-12-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1605159A CN1605159A (zh) | 2005-04-06 |
CN100527636C true CN100527636C (zh) | 2009-08-12 |
Family
ID=8179610
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB028254007A Expired - Fee Related CN100527636C (zh) | 2001-12-19 | 2002-12-19 | 宽带的西格玛-得尔塔调制器 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7030797B2 (zh) |
EP (2) | EP1333583A1 (zh) |
CN (1) | CN100527636C (zh) |
AU (1) | AU2002358773A1 (zh) |
DE (1) | DE50205069D1 (zh) |
WO (1) | WO2003052941A2 (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7061989B2 (en) * | 2004-05-28 | 2006-06-13 | Texas Instruments Incorporated | Fully digital transmitter including a digital band-pass sigma-delta modulator |
US7548178B2 (en) * | 2006-03-10 | 2009-06-16 | Nvidia Corporation | Method and apparatus for ADC size and performance optimization |
US9300261B2 (en) * | 2006-03-10 | 2016-03-29 | Nvidia Corporation | Method and apparatus for efficient load biasing |
US7782237B2 (en) * | 2008-06-13 | 2010-08-24 | The Board Of Trustees Of The Leland Stanford Junior University | Semiconductor sensor circuit arrangement |
US7880654B2 (en) * | 2009-02-27 | 2011-02-01 | Freescale Semiconductor, Inc. | Continuous-time sigma-delta modulator with multiple feedback paths having independent delays |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4692715A (en) * | 1986-03-03 | 1987-09-08 | Spence Lewis C | Constant frequency signal generator circuit and method |
US5055843A (en) * | 1990-01-31 | 1991-10-08 | Analog Devices, Inc. | Sigma delta modulator with distributed prefiltering and feedback |
US6225928B1 (en) * | 1999-03-10 | 2001-05-01 | Cirrus Logic Inc. | Complex bandpass modulator and method for analog-to-digital converters |
DE19937246B4 (de) | 1999-08-06 | 2005-12-22 | Siemens Ag | Kaskadierter Sigma-Delta-Modulator |
JP2002025202A (ja) * | 2000-07-06 | 2002-01-25 | Matsushita Electric Ind Co Ltd | クロック抽出回路 |
US6587061B2 (en) * | 2001-07-03 | 2003-07-01 | Linear Technology Corporation | Analog computation circuits using synchronous demodulation and power meters and energy meters using the same |
-
2001
- 2001-12-19 EP EP01130334A patent/EP1333583A1/de not_active Withdrawn
-
2002
- 2002-12-19 DE DE50205069T patent/DE50205069D1/de not_active Expired - Fee Related
- 2002-12-19 EP EP02793092A patent/EP1456955B1/de not_active Expired - Fee Related
- 2002-12-19 CN CNB028254007A patent/CN100527636C/zh not_active Expired - Fee Related
- 2002-12-19 AU AU2002358773A patent/AU2002358773A1/en not_active Abandoned
- 2002-12-19 WO PCT/EP2002/014596 patent/WO2003052941A2/de not_active Application Discontinuation
- 2002-12-19 US US10/499,521 patent/US7030797B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US7030797B2 (en) | 2006-04-18 |
DE50205069D1 (de) | 2005-12-29 |
CN1605159A (zh) | 2005-04-06 |
EP1333583A1 (de) | 2003-08-06 |
EP1456955B1 (de) | 2005-11-23 |
AU2002358773A1 (en) | 2003-06-30 |
WO2003052941A2 (de) | 2003-06-26 |
EP1456955A2 (de) | 2004-09-15 |
WO2003052941A3 (de) | 2003-12-31 |
AU2002358773A8 (en) | 2003-06-30 |
US20050088326A1 (en) | 2005-04-28 |
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C06 | Publication | ||
PB01 | Publication | ||
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SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: NOKIA SIEMENS COMMUNICATION CO., LTD. Free format text: FORMER OWNER: SIEMENS AG Effective date: 20080404 |
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C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20080404 Address after: Munich, Germany Applicant after: Nokia Siemens Networks GmbH Address before: Munich, Germany Applicant before: Siemens AG |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: NOKIA COMMUNICATION GMBH + CO. KG Free format text: FORMER NAME: NOKIA SIEMENS NETWORKS GMBH |
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CP01 | Change in the name or title of a patent holder |
Address after: Munich, Germany Patentee after: NOKIA SIEMENS NETWORKS GMBH & CO. KG Address before: Munich, Germany Patentee before: Nokia Siemens Networks 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: 20090812 Termination date: 20171219 |