DE60309025D1 - Offsetkalibrationssystem - Google Patents
OffsetkalibrationssystemInfo
- Publication number
- DE60309025D1 DE60309025D1 DE60309025T DE60309025T DE60309025D1 DE 60309025 D1 DE60309025 D1 DE 60309025D1 DE 60309025 T DE60309025 T DE 60309025T DE 60309025 T DE60309025 T DE 60309025T DE 60309025 D1 DE60309025 D1 DE 60309025D1
- Authority
- DE
- Germany
- Prior art keywords
- digital
- analog
- converter
- full
- significant bit
- 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 - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/10—Calibration or testing
- H03M1/1009—Calibration
- H03M1/1014—Calibration at one point of the transfer characteristic, i.e. by adjusting a single reference value, e.g. bias or gain error
- H03M1/1019—Calibration at one point of the transfer characteristic, i.e. by adjusting a single reference value, e.g. bias or gain error by storing a corrected or correction value in a digital look-up table
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/02—Reversible analogue/digital converters
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Analogue/Digital Conversion (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Steroid Compounds (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US156365 | 2002-05-28 | ||
US10/156,365 US6624772B1 (en) | 2002-05-28 | 2002-05-28 | Offset calibration system |
PCT/US2003/011853 WO2003103150A1 (en) | 2002-05-28 | 2003-04-17 | Offset calibration system |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60309025D1 true DE60309025D1 (de) | 2006-11-23 |
DE60309025T2 DE60309025T2 (de) | 2007-05-24 |
Family
ID=28041200
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60309025T Expired - Lifetime DE60309025T2 (de) | 2002-05-28 | 2003-04-17 | Offsetkalibrationssystem |
Country Status (6)
Country | Link |
---|---|
US (1) | US6624772B1 (de) |
EP (1) | EP1510007B1 (de) |
CN (1) | CN100426675C (de) |
AT (1) | ATE342610T1 (de) |
DE (1) | DE60309025T2 (de) |
WO (1) | WO2003103150A1 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10211075A1 (de) * | 2002-03-13 | 2003-10-16 | Siemens Ag | Geregelte Ansteuerschaltung für einen analog angesteuerten Leistungshalbleiter |
SE521575C2 (sv) * | 2002-03-25 | 2003-11-11 | Ericsson Telefon Ab L M | Kalibrering av A/D omvandlare |
US6919833B2 (en) * | 2003-09-04 | 2005-07-19 | Regan N. Mills | Parallel converter topology for reducing non-linearity errors |
US7151475B2 (en) * | 2004-08-31 | 2006-12-19 | Micron Technology, Inc. | Minimized differential SAR-type column-wide ADC for CMOS image sensors |
US7221298B1 (en) * | 2005-12-08 | 2007-05-22 | Teradyne, Inc. | Calibration circuitry |
US7443323B2 (en) * | 2007-01-10 | 2008-10-28 | Freescale Semiconductor, Inc. | Calibrating a digital-to-analog converter |
CN101295984B (zh) * | 2007-04-27 | 2010-09-01 | 扬智科技股份有限公司 | 用来补偿模拟/数字转换器偏移量的偏移补偿电路 |
JP2010093683A (ja) * | 2008-10-10 | 2010-04-22 | Nec Electronics Corp | デジタルアナログ変換回路とその出力データの補正方法 |
US8068045B2 (en) * | 2010-03-01 | 2011-11-29 | Analog Devices, Inc. | Calibration methods and structures for pipelined converter systems |
CN101951262B (zh) * | 2010-09-03 | 2013-09-18 | 英特格灵芯片(天津)有限公司 | Dac校准电路及校准方法 |
CN102025374B (zh) * | 2010-12-24 | 2013-10-16 | 北京东方计量测试研究所 | 数模转换器的差分非线性误差实时校正的自动校准电路 |
US8723707B2 (en) | 2011-11-14 | 2014-05-13 | Analog Devices, Inc. | Correlation-based background calibration for reducing inter-stage gain error and non-linearity in pipelined analog-to-digital converters |
US9083377B2 (en) * | 2012-05-30 | 2015-07-14 | Intel Corporation | Analog-to-digital converter |
US9007242B2 (en) * | 2013-06-27 | 2015-04-14 | Realtek Semiconductor Corp. | Self-calibrated delta-sigma modulator and method thereof |
TWI640778B (zh) * | 2018-03-02 | 2018-11-11 | National Applied Research Laboratories | 訊號誤差校正方法 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5953727B2 (ja) * | 1977-04-06 | 1984-12-26 | 株式会社日立製作所 | 補正回路付da変換器 |
US4509037A (en) * | 1981-06-12 | 1985-04-02 | Gould Inc. | Enhanced delta modulation encoder |
US4943807A (en) | 1988-04-13 | 1990-07-24 | Crystal Semiconductor | Digitally calibrated delta-sigma analog-to-digital converter |
US5153593A (en) * | 1990-04-26 | 1992-10-06 | Hughes Aircraft Company | Multi-stage sigma-delta analog-to-digital converter |
US5248970A (en) | 1991-11-08 | 1993-09-28 | Crystal Semiconductor Corp. | Offset calibration of a dac using a calibrated adc |
US5583501A (en) * | 1994-08-24 | 1996-12-10 | Crystal Semiconductor Corporation | Digital-to-analog converter with digital linearity correction |
US5592508A (en) * | 1994-09-22 | 1997-01-07 | Cooper; J. Carl | Analog signal coding and transmission apparatus and method capable of operation with multiple types of analog and digital signals |
US5796361A (en) * | 1996-09-25 | 1998-08-18 | Exar Corporation | CCD signal digitizing integrated circuit |
US5793319A (en) * | 1996-11-29 | 1998-08-11 | Ricoh Company, Ltd. | Analog to digital linearizing apparatus, system and method |
US5982313A (en) * | 1997-06-06 | 1999-11-09 | Analog Devices, Inc. | High speed sigma-delta analog-to-digital converter system |
US5905453A (en) * | 1997-08-04 | 1999-05-18 | Motorola, Inc. | Dithered sigma delta modulator having programmable full scale range adjustment |
US5977894A (en) * | 1997-12-31 | 1999-11-02 | Maxim Integrated Products, Inc. | Digital calibration for analog-to-digital converters with implicit gain proration |
US6459426B1 (en) * | 1998-08-17 | 2002-10-01 | Genesis Microchip (Delaware) Inc. | Monolithic integrated circuit implemented in a digital display unit for generating digital data elements from an analog display signal received at high frequencies |
US6351228B1 (en) * | 1999-02-03 | 2002-02-26 | Hitachi Electronics Engineering Co., Ltd. | Digital calibration method and apparatus for A/D or D/A converters |
US6281818B1 (en) * | 1999-05-14 | 2001-08-28 | Diamond Systems Corporation | Automatic auto-calibration system |
US6229466B1 (en) * | 1999-08-23 | 2001-05-08 | Level One Communications, Inc. | Digital calibration method and apparatus for multi-bit delta-sigma D/A converter |
US6424276B1 (en) * | 1999-09-09 | 2002-07-23 | Cirrus Logic, Inc. | Successive approximation algorithm-based architectures and systems |
US6417794B1 (en) * | 1999-09-09 | 2002-07-09 | Cirrus Logic, Inc. | System and apparatus for digitally calibrating capacitors in an analog-to-digital converter using successive approximation |
US6323800B1 (en) * | 2000-02-17 | 2001-11-27 | Advanced Micro Devices, Inc. | Pipeline analog to digital (a/d) converter with lengthened hold operation of a first stage |
-
2002
- 2002-05-28 US US10/156,365 patent/US6624772B1/en not_active Expired - Lifetime
-
2003
- 2003-04-17 WO PCT/US2003/011853 patent/WO2003103150A1/en active IP Right Grant
- 2003-04-17 AT AT03731031T patent/ATE342610T1/de not_active IP Right Cessation
- 2003-04-17 DE DE60309025T patent/DE60309025T2/de not_active Expired - Lifetime
- 2003-04-17 CN CNB03814719XA patent/CN100426675C/zh not_active Expired - Lifetime
- 2003-04-17 EP EP03731031A patent/EP1510007B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1510007A4 (de) | 2005-07-27 |
DE60309025T2 (de) | 2007-05-24 |
ATE342610T1 (de) | 2006-11-15 |
WO2003103150A1 (en) | 2003-12-11 |
CN100426675C (zh) | 2008-10-15 |
US6624772B1 (en) | 2003-09-23 |
CN1663127A (zh) | 2005-08-31 |
EP1510007A1 (de) | 2005-03-02 |
EP1510007B1 (de) | 2006-10-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8381 | Inventor (new situation) |
Inventor name: GEALOW, JEFFREY, C., ANDOVER, MA 01810-6408, US Inventor name: BARBER, THOMAS, J., MEDFORD, MA 02155, US Inventor name: FERGUSON, PAUL, F., NORTH ANDOVER, MA 01845, US Inventor name: HAURIE, XAVIER, S., ARLINGTON, MA 02474, US |
|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: MEDIATEK INC., HSINCHU, TW |