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AU2002213845A1 - Apparatus for reducing dc offset in a receiver - Google Patents

Apparatus for reducing dc offset in a receiver

Info

Publication number
AU2002213845A1
AU2002213845A1 AU2002213845A AU1384502A AU2002213845A1 AU 2002213845 A1 AU2002213845 A1 AU 2002213845A1 AU 2002213845 A AU2002213845 A AU 2002213845A AU 1384502 A AU1384502 A AU 1384502A AU 2002213845 A1 AU2002213845 A1 AU 2002213845A1
Authority
AU
Australia
Prior art keywords
offset
receiver
reducing
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.)
Abandoned
Application number
AU2002213845A
Inventor
Francois Dorel
Nadim Khlat
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Motorola Inc filed Critical Motorola Inc
Publication of AU2002213845A1 publication Critical patent/AU2002213845A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/06—DC level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/061—DC level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing hard decisions only; arrangements for tracking or suppressing unwanted low frequency components, e.g. removal of DC offset
    • H04L25/063—Setting decision thresholds using feedback techniques only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
    • H03F1/303—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters using a switching device
    • H03F1/304—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters using a switching device and using digital means
    • 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
    • H03M3/458—Analogue/digital converters using delta-sigma modulation as an intermediate step
    • H03M3/494—Sampling or signal conditioning arrangements specially adapted for delta-sigma type analogue/digital conversion systems
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/375—Circuitry to compensate the offset being present in an amplifier
    • 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
    • H03M3/428—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 with lower resolution, e.g. single bit, feedback
    • 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
    • H03M3/456—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 first order loop filter in the feedforward path

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Superheterodyne Receivers (AREA)
  • Analogue/Digital Conversion (AREA)
AU2002213845A 2000-08-04 2001-07-16 Apparatus for reducing dc offset in a receiver Abandoned AU2002213845A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP00402234A EP1178637A1 (en) 2000-08-04 2000-08-04 Apparatus for reducing DC offset in a direct conversion receiver
EP00402234 2000-08-04
PCT/EP2001/008156 WO2002013473A1 (en) 2000-08-04 2001-07-16 Apparatus for reducing dc offset in a receiver

Publications (1)

Publication Number Publication Date
AU2002213845A1 true AU2002213845A1 (en) 2002-02-18

Family

ID=8173798

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002213845A Abandoned AU2002213845A1 (en) 2000-08-04 2001-07-16 Apparatus for reducing dc offset in a receiver

Country Status (8)

Country Link
US (1) US7212587B2 (en)
EP (1) EP1178637A1 (en)
JP (1) JP4782972B2 (en)
KR (1) KR100826464B1 (en)
CN (1) CN1210923C (en)
AU (1) AU2002213845A1 (en)
TW (1) TW515157B (en)
WO (1) WO2002013473A1 (en)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7068987B2 (en) * 2000-10-02 2006-06-27 Conexant, Inc. Packet acquisition and channel tracking for a wireless communication device configured in a zero intermediate frequency architecture
CN1639990B (en) * 2002-02-21 2010-09-15 联发科技股份有限公司 Direct conversion multimode receiver
GB0204108D0 (en) 2002-02-21 2002-04-10 Analog Devices Inc 3G radio
RU2005101209A (en) * 2002-06-20 2005-08-27 Квэлкомм Инкорпорейтед (US) DC OFFSETS IN COMMUNICATION SYSTEMS
US8559559B2 (en) * 2002-06-20 2013-10-15 Qualcomm, Incorporated Method and apparatus for compensating DC offsets in communication systems
US7715836B2 (en) * 2002-09-03 2010-05-11 Broadcom Corporation Direct-conversion transceiver enabling digital calibration
US9065537B2 (en) * 2002-09-03 2015-06-23 Broadcom Corporation Method and system for calibrating a multi-mode, multi-standard transmitter and receiver
US7277688B2 (en) * 2003-06-17 2007-10-02 Broadcom Corporation DC offset correction for very low intermediate frequency receiver
EP1580947B1 (en) * 2004-03-25 2008-11-05 International Business Machines Corporation Receiver and method having full signal path differential offset cancellation capabilities
US7231193B2 (en) * 2004-04-13 2007-06-12 Skyworks Solutions, Inc. Direct current offset correction systems and methods
US20060120493A1 (en) * 2004-12-06 2006-06-08 Yunteng Huang Maintaining a selected slice level
JP4758781B2 (en) * 2006-01-31 2011-08-31 富士通株式会社 DC offset correction apparatus and method
US7912437B2 (en) * 2007-01-09 2011-03-22 Freescale Semiconductor, Inc. Radio frequency receiver having dynamic bandwidth control and method of operation
GB2459865B (en) 2008-05-07 2011-03-16 Wolfson Microelectronics Plc Amplifier Circuit
US9219458B2 (en) * 2008-06-12 2015-12-22 Qualcomm Incorporated Methods and systems of AGC and DC calibration for OFDM/OFDMA systems
JP5031705B2 (en) * 2008-09-19 2012-09-26 シャープ株式会社 DC offset removal circuit and receiver
US20100254491A1 (en) * 2009-04-01 2010-10-07 General Electric Company Dc offset compensating system and method
JP2011087034A (en) * 2009-10-14 2011-04-28 Renesas Electronics Corp Receiving circuit, and semiconductor device
JP2012120083A (en) * 2010-12-03 2012-06-21 Panasonic Corp Radio communication system equipped with dc off-set correction function
CN103117766B (en) * 2011-11-16 2015-03-25 联发科技股份有限公司 Electronic device and transmitter DC offset calibration method
KR20140011135A (en) 2012-07-17 2014-01-28 한국전자통신연구원 Apparatus and method for calibrating offset voltage and continuous time delta sigma modulator including the same
KR102012686B1 (en) 2012-12-13 2019-08-21 삼성전자주식회사 Apparatus and method for detecting bit sequence robustly of a change of dc offset in a ook receiver
US9531571B2 (en) * 2013-12-31 2016-12-27 Hrl Laboratories, Llc Agile radio architecture
US10877532B2 (en) * 2014-04-02 2020-12-29 Tesla, Inc. Functional redundancy of communications and data transmission in energy storage system
US9531428B2 (en) * 2015-03-03 2016-12-27 Mediatek Inc. Wireless communication calibration system and associated method
WO2019006204A1 (en) 2017-06-30 2019-01-03 Tesla, Inc. Multi-channel and bi-directional battery management system
CN108923785B (en) * 2018-07-06 2022-03-01 中国电子科技集团公司第十四研究所 Method for improving signal-to-noise ratio of multi-channel synthesized signal after DDC
WO2020038565A1 (en) * 2018-08-21 2020-02-27 Commsolid Gmbh Interface between radio receiver and baseband receiver and a method for converting rf-signals to bb-signals
IT202000007021A1 (en) 2020-04-02 2021-10-02 St Microelectronics Srl Corresponding converter circuit, device and offset compensation procedure
CN113300729B (en) * 2021-05-14 2023-03-28 成都振芯科技股份有限公司 Zero intermediate frequency receiver and correction method thereof

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5241702A (en) * 1990-09-06 1993-08-31 Telefonaktiebolaget L M Ericsson D.c. offset compensation in a radio receiver
GB9421492D0 (en) * 1994-10-24 1994-12-07 Gen Electric Co Plc DC correction arrangement for a sigma-delta modulator
JP3132459B2 (en) * 1997-03-05 2001-02-05 日本電気株式会社 Direct conversion receiver
GB2328353B (en) * 1997-08-16 2002-10-02 Nec Technologies GSM mobile receiver
US6327313B1 (en) * 1999-12-29 2001-12-04 Motorola, Inc. Method and apparatus for DC offset correction
US6654594B1 (en) * 2000-05-30 2003-11-25 Motorola, Inc. Digitized automatic gain control system and methods for a controlled gain receiver
US6606359B1 (en) 2000-07-26 2003-08-12 Motorola, Inc Area-optimum rapid acquisition cellular multi-protocol digital DC offset correction scheme

Also Published As

Publication number Publication date
CN1446421A (en) 2003-10-01
KR100826464B1 (en) 2008-05-02
US20040071238A1 (en) 2004-04-15
JP2004506384A (en) 2004-02-26
KR20030020436A (en) 2003-03-08
CN1210923C (en) 2005-07-13
JP4782972B2 (en) 2011-09-28
EP1178637A1 (en) 2002-02-06
US7212587B2 (en) 2007-05-01
WO2002013473A1 (en) 2002-02-14
TW515157B (en) 2002-12-21

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