TW200729727A - Integrated DSP for a DC offset cancellation loop - Google Patents
Integrated DSP for a DC offset cancellation loopInfo
- Publication number
- TW200729727A TW200729727A TW095138377A TW95138377A TW200729727A TW 200729727 A TW200729727 A TW 200729727A TW 095138377 A TW095138377 A TW 095138377A TW 95138377 A TW95138377 A TW 95138377A TW 200729727 A TW200729727 A TW 200729727A
- Authority
- TW
- Taiwan
- Prior art keywords
- offset cancellation
- cancellation loop
- integrated dsp
- analog receiver
- digital signal
- Prior art date
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
- H03M1/12—Analogue/digital converters
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Analogue/Digital Conversion (AREA)
- Amplifiers (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/342,256 US7864088B2 (en) | 2006-01-27 | 2006-01-27 | Integrated DSP for a DC offset cancellation loop |
Publications (1)
Publication Number | Publication Date |
---|---|
TW200729727A true TW200729727A (en) | 2007-08-01 |
Family
ID=38327714
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW095138377A TW200729727A (en) | 2006-01-27 | 2006-10-18 | Integrated DSP for a DC offset cancellation loop |
Country Status (4)
Country | Link |
---|---|
US (1) | US7864088B2 (zh) |
CN (1) | CN101009493B (zh) |
TW (1) | TW200729727A (zh) |
WO (1) | WO2007089276A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI422168B (zh) * | 2010-10-31 | 2014-01-01 | Mediatek Inc | 訊號處理裝置與訊號處理方法 |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8355302B1 (en) * | 2006-05-11 | 2013-01-15 | Marvell International Ltd. | Offset loop for wobble |
GB2446844B (en) * | 2006-12-05 | 2011-05-25 | Wolfson Microelectronics Plc | Callibration circuit and asociated method |
CN101373980B (zh) * | 2007-08-24 | 2012-05-02 | 锐迪科创微电子(北京)有限公司 | 无线接收机及直流失调电压的消除方法 |
US7714757B2 (en) * | 2007-09-26 | 2010-05-11 | Medtronic, Inc. | Chopper-stabilized analog-to-digital converter |
US7623053B2 (en) * | 2007-09-26 | 2009-11-24 | Medtronic, Inc. | Implantable medical device with low power delta-sigma analog-to-digital converter |
WO2009095331A1 (en) * | 2008-01-29 | 2009-08-06 | Audioasics A/S | Signal conditioner with suppression of interfering signals |
KR20090122513A (ko) * | 2008-05-26 | 2009-12-01 | (주)에프씨아이 | 무선수신기용 저잡음 디씨 오프셋 제거회로 |
US8044836B2 (en) * | 2009-10-30 | 2011-10-25 | Stmicroelectronics Design & Application Gmbh | Continuous time sigma-delta A/D converter and electrical system comprising the A/D converter |
US8638883B2 (en) * | 2010-02-03 | 2014-01-28 | Marvell World Trade Ltd. | DC offset cancellation in direct conversion receivers |
CN102798488B (zh) * | 2012-08-20 | 2014-02-05 | 上海严熔仪器仪表设备有限公司 | 电磁式热能表 |
US8831142B2 (en) | 2012-12-18 | 2014-09-09 | Lsi Corporation | Adaptive cancellation of voltage offset in a communication system |
EP2944975B1 (de) | 2014-05-14 | 2018-04-04 | Elmos Semiconductor Aktiengesellschaft | Vorrichtung zur messung einer sich verändernden physikalischen grösse, wie z.b. druck |
US10782339B2 (en) | 2016-04-29 | 2020-09-22 | Teradyne, Inc. | Method and test system for providing accurate analog signals |
WO2018085664A1 (en) * | 2016-11-03 | 2018-05-11 | University Of Washington | Recording channels for biopotential signals |
US10485439B2 (en) | 2017-11-30 | 2019-11-26 | Biosense Webster (Isreal) Ltd. | Fast recovery of ECG signal method and apparatus |
CN109905085B (zh) * | 2017-12-11 | 2023-05-23 | 联发科技股份有限公司 | 直流移除电路 |
CN110879402B (zh) * | 2019-11-28 | 2021-11-09 | 中国科学院国家空间科学中心 | 一种gnss干涉测高中消除直流分量的系统及方法 |
US11165286B1 (en) * | 2020-06-12 | 2021-11-02 | Stmicroelectronics Asia Pacific Pte Ltd | Adaptive baseline correction for delta amplification |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5442172A (en) * | 1994-05-27 | 1995-08-15 | International Business Machines Corporation | Wavefront reconstruction optics for use in a disk drive position measurement system |
TW256914B (en) * | 1994-05-27 | 1995-09-11 | Ibm | Servo-writing system for use in a data recording disk drive |
US5699011A (en) * | 1996-08-02 | 1997-12-16 | Zenith Electronics Corporation | DC offset compensation method and apparatus |
US6114980A (en) * | 1999-04-13 | 2000-09-05 | Motorola, Inc. | Method and apparatus for settling a DC offset |
US6191648B1 (en) * | 1999-04-19 | 2001-02-20 | National Semiconductor Corporation | Switched-capacitor cosine filter circuit |
US6166668A (en) | 1999-06-01 | 2000-12-26 | Motorola, Inc. | Method and apparatus for providing DC offset correction and hold capability |
US6441767B1 (en) * | 2000-11-29 | 2002-08-27 | Raytheon Company | Method and system for adjusting a threshold control in an analog-to-digital converter |
US6891490B2 (en) * | 2002-06-05 | 2005-05-10 | Slicex, Inc. | Analog-to-digital converter with digital signal processing functionality to emulate many different sample frequencies, resolutions, and architectures |
US7715836B2 (en) * | 2002-09-03 | 2010-05-11 | Broadcom Corporation | Direct-conversion transceiver enabling digital calibration |
US7394869B2 (en) * | 2004-04-02 | 2008-07-01 | Broadcom Corporation | RF transmitter architecture for continuous switching between modulation modes |
US7053705B2 (en) * | 2003-12-22 | 2006-05-30 | Tymphany Corporation | Mixed-mode (current-voltage) audio amplifier |
-
2006
- 2006-01-27 US US11/342,256 patent/US7864088B2/en active Active
- 2006-04-17 CN CN2006100666446A patent/CN101009493B/zh active Active
- 2006-08-08 WO PCT/US2006/030983 patent/WO2007089276A1/en active Application Filing
- 2006-10-18 TW TW095138377A patent/TW200729727A/zh unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI422168B (zh) * | 2010-10-31 | 2014-01-01 | Mediatek Inc | 訊號處理裝置與訊號處理方法 |
Also Published As
Publication number | Publication date |
---|---|
US7864088B2 (en) | 2011-01-04 |
CN101009493A (zh) | 2007-08-01 |
US20070216562A1 (en) | 2007-09-20 |
WO2007089276A1 (en) | 2007-08-09 |
CN101009493B (zh) | 2011-07-27 |
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