DE602004030210D1 - Gleichspannungsoffsetkompensation - Google Patents

Gleichspannungsoffsetkompensation

Info

Publication number
DE602004030210D1
DE602004030210D1 DE602004030210T DE602004030210T DE602004030210D1 DE 602004030210 D1 DE602004030210 D1 DE 602004030210D1 DE 602004030210 T DE602004030210 T DE 602004030210T DE 602004030210 T DE602004030210 T DE 602004030210T DE 602004030210 D1 DE602004030210 D1 DE 602004030210D1
Authority
DE
Germany
Prior art keywords
offset compensation
compensation
offset
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
Application number
DE602004030210T
Other languages
English (en)
Inventor
Michael Lewis
Mikael Rudberg
Elmar Wagner
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.)
Infineon Technologies AG
Original Assignee
Infineon Technologies AG
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 Infineon Technologies AG filed Critical Infineon Technologies AG
Publication of DE602004030210D1 publication Critical patent/DE602004030210D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04B1/16—Circuits
    • H04B1/30—Circuits for homodyne or synchrodyne receivers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/007—Demodulation of angle-, frequency- or phase- modulated oscillations by converting the oscillations into two quadrature related signals
    • H03D3/008—Compensating DC offsets
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Circuits Of Receivers In General (AREA)
DE602004030210T 2004-03-18 2004-03-18 Gleichspannungsoffsetkompensation Expired - Lifetime DE602004030210D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04006574A EP1578023B1 (de) 2004-03-18 2004-03-18 Gleichspannungsoffsetkompensation

Publications (1)

Publication Number Publication Date
DE602004030210D1 true DE602004030210D1 (de) 2011-01-05

Family

ID=34833645

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004030210T Expired - Lifetime DE602004030210D1 (de) 2004-03-18 2004-03-18 Gleichspannungsoffsetkompensation

Country Status (5)

Country Link
US (1) US7643575B2 (de)
EP (1) EP1578023B1 (de)
JP (1) JP4382125B2 (de)
DE (1) DE602004030210D1 (de)
WO (1) WO2005091514A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9264009B2 (en) 2013-03-15 2016-02-16 Avago Technologies General Ip (Singapore) Pte. Ltd. AC coupling circuit with hybrid switches and constant load
US10198682B2 (en) 2016-09-13 2019-02-05 Toshiba Memory Corporation Receiving system and memory card

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4625320A (en) * 1985-04-30 1986-11-25 Motorola, Inc. Automatic bias circuit
US4821292A (en) * 1987-06-03 1989-04-11 General Electric Company Adaptive limiter/detector which changes time constant upon detection of dotting pattern
US5212826A (en) * 1990-12-20 1993-05-18 Motorola, Inc. Apparatus and method of dc offset correction for a receiver
US5603112A (en) * 1991-04-26 1997-02-11 Motorola, Inc. Received signal strength indicator utilizing approximation factors and the I and Q signal components
US6032282A (en) * 1994-09-19 2000-02-29 Advantest Corp. Timing edge forming circuit for IC test system
US5646569A (en) * 1995-08-30 1997-07-08 Hewlett-Packard Company Method and apparatus for AC coupling
US6442380B1 (en) * 1999-12-22 2002-08-27 U.S. Philips Corporation Automatic gain control in a zero intermediate frequency radio device
US7088765B1 (en) * 2000-03-15 2006-08-08 Ndsu Research Foundation Vector calibration system
EP1154604A1 (de) * 2000-05-08 2001-11-14 Infineon Technologies AG Einrichtung und Kompensationsverfahren für Gleichspannungsoffsets
US6654593B1 (en) * 2000-10-30 2003-11-25 Research In Motion Limited Combined discrete automatic gain control (AGC) and DC estimation
JP3805258B2 (ja) * 2002-01-29 2006-08-02 松下電器産業株式会社 ダイレクトコンバージョン受信機
DE10214063B4 (de) * 2002-03-28 2007-05-03 Advanced Micro Devices, Inc., Sunnyvale Synchronisationsdatendetektionseinheit und -verfahren
DE10219362B4 (de) * 2002-04-30 2009-12-31 Advanced Micro Devices, Inc., Sunnyvale Automatische Verstärkungssteuerung für einen Direktumsetzer und Verfahren zum Steuern der Verstärkung eines Basisbandsignals in einem derartigen Empfänger
US7158542B1 (en) * 2002-05-03 2007-01-02 Atheros Communications, Inc. Dynamic preamble detection
US20040125869A1 (en) * 2002-12-31 2004-07-01 May Michael R. Method and apparatus for non-intrusive transceiver property adjustment
US6784727B1 (en) * 2003-05-21 2004-08-31 Hyperband Communication, Inc. Fast-settling DC offset removal circuits with continuous cutoff frequency switching
US7236544B2 (en) * 2003-09-24 2007-06-26 Texas Instruments Incorporated Enhanced preamble to enable low power detection

Also Published As

Publication number Publication date
EP1578023A1 (de) 2005-09-21
US20070071144A1 (en) 2007-03-29
WO2005091514A1 (en) 2005-09-29
JP4382125B2 (ja) 2009-12-09
EP1578023B1 (de) 2010-11-24
US7643575B2 (en) 2010-01-05
JP2007529929A (ja) 2007-10-25

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