JP2006523059A - 直流オフセット電圧補正部を有する受信機 - Google Patents

直流オフセット電圧補正部を有する受信機 Download PDF

Info

Publication number
JP2006523059A
JP2006523059A JP2006506442A JP2006506442A JP2006523059A JP 2006523059 A JP2006523059 A JP 2006523059A JP 2006506442 A JP2006506442 A JP 2006506442A JP 2006506442 A JP2006506442 A JP 2006506442A JP 2006523059 A JP2006523059 A JP 2006523059A
Authority
JP
Japan
Prior art keywords
demodulated signal
offset voltage
signal
subtracting
uncorrected
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.)
Withdrawn
Application number
JP2006506442A
Other languages
English (en)
Japanese (ja)
Other versions
JP2006523059A5 (enExample
Inventor
エイドリアン、ダブリュ.ペイン
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of JP2006523059A publication Critical patent/JP2006523059A/ja
Publication of JP2006523059A5 publication Critical patent/JP2006523059A5/ja
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/06Receivers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/06DC level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/061DC 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
    • H04L25/063Setting decision thresholds using feedback techniques only
    • H04L25/064Subtraction of the threshold from the signal, which is then compared to a supplementary fixed threshold
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/06Receivers
    • H04B1/16Circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Dc Digital Transmission (AREA)
  • Circuits Of Receivers In General (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
JP2006506442A 2003-04-09 2004-03-30 直流オフセット電圧補正部を有する受信機 Withdrawn JP2006523059A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0308168.4A GB0308168D0 (en) 2003-04-09 2003-04-09 Receiver having DC offset voltage correction
PCT/IB2004/001045 WO2004091160A1 (en) 2003-04-09 2004-03-30 Receiver having dc offset voltage correction

Publications (2)

Publication Number Publication Date
JP2006523059A true JP2006523059A (ja) 2006-10-05
JP2006523059A5 JP2006523059A5 (enExample) 2007-03-01

Family

ID=9956462

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2006506442A Withdrawn JP2006523059A (ja) 2003-04-09 2004-03-30 直流オフセット電圧補正部を有する受信機

Country Status (8)

Country Link
US (1) US20070177692A1 (enExample)
EP (1) EP1616421A1 (enExample)
JP (1) JP2006523059A (enExample)
KR (1) KR20060002953A (enExample)
CN (1) CN1768515A (enExample)
GB (1) GB0308168D0 (enExample)
TW (1) TW200501602A (enExample)
WO (1) WO2004091160A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013222402A (ja) * 2012-04-18 2013-10-28 Nippon Reliance Kk オフセット調整回路及びプログラム

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8195096B2 (en) 2006-07-13 2012-06-05 Mediatek Inc. Apparatus and method for enhancing DC offset correction speed of a radio device
TWI330026B (en) * 2007-04-02 2010-09-01 Realtek Semiconductor Corp Receiving system and related method for calibrating dc offset
CN101453229B (zh) * 2007-11-28 2013-07-03 瑞昱半导体股份有限公司 用以校正直流偏移的接收系统及其相关方法
JP6939660B2 (ja) * 2018-03-13 2021-09-22 トヨタ自動車株式会社 車両走行制御システム

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0503728B1 (en) * 1991-03-15 1997-08-27 Koninklijke Philips Electronics N.V. Data receiver comprising a control loop with reduced sampling frequency
GB2274759B (en) * 1993-02-02 1996-11-13 Nokia Mobile Phones Ltd Correction of D.C offset in received and demodulated radio signals
US5724653A (en) * 1994-12-20 1998-03-03 Lucent Technologies Inc. Radio receiver with DC offset correction circuit
EP0863606B1 (en) * 1997-03-05 2003-09-24 Nec Corporation Direct conversion receiver capable of cancelling DC offset voltages
TW405314B (en) * 1998-08-28 2000-09-11 Ind Tech Res Inst Device for eliminating DC offset utilizing noise regulation technique and its method
GB2349313A (en) * 1999-04-21 2000-10-25 Ericsson Telefon Ab L M Radio receiver
US6275087B1 (en) * 1999-11-16 2001-08-14 Lsi Logic Corporation Adaptive cancellation of time variant DC offset
GB0100202D0 (en) * 2001-01-04 2001-02-14 Koninkl Philips Electronics Nv Receiver having a variable threshold slicer stage and a method of updating the threshold levels of the slicer stage
DE10251288B4 (de) * 2002-11-04 2005-08-11 Advanced Micro Devices, Inc., Sunnyvale Equalizerschaltung mit Kerbkompensation für einen Direktmischempfänger

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013222402A (ja) * 2012-04-18 2013-10-28 Nippon Reliance Kk オフセット調整回路及びプログラム

Also Published As

Publication number Publication date
WO2004091160A1 (en) 2004-10-21
EP1616421A1 (en) 2006-01-18
CN1768515A (zh) 2006-05-03
KR20060002953A (ko) 2006-01-09
GB0308168D0 (en) 2003-05-14
US20070177692A1 (en) 2007-08-02
TW200501602A (en) 2005-01-01

Similar Documents

Publication Publication Date Title
US5809065A (en) Method and apparatus for improving the quality of AM compatible digital broadcast system signals in the presence of distortion
JP4499515B2 (ja) コチャンネル干渉を検出し、軽減させるデジタルビデオ放送受信機のチャンネル状態評価装置及びその方法
US6515713B1 (en) Method and apparatus which compensates for channel distortion
US4567599A (en) Automatic adaptive equalizer having improved reset function
US6201576B1 (en) Apparatus and method for detecting an NTSC signal in an HDTV transmission signal
JP3368879B2 (ja) マルチパスノイズ除去装置、オーディオ出力装置およびfm受信機
US7522896B2 (en) Filter control method, signal processing circuit and integrated circuit for wireless receiver
KR100234319B1 (ko) 동일채널 간섭 검출기와 그 구동방법
US6788923B2 (en) Receiver noise reduction with expanding gated pulses
EP0963086A3 (en) Error correcting apparatus for dealing with frequency selective noise
JP2006523059A (ja) 直流オフセット電圧補正部を有する受信機
JP4806170B2 (ja) コチャンネル干渉を検出し、選択的にフィルタリングする装置及び方法
JPH09219827A (ja) Ntscリジェクションフィルターの駆動選択を制御する装置及び方法
KR100820932B1 (ko) 다중 경로 전파에 의해 야기된 리플을 검출하고 및 수신안테나 및 튜너를 제어하기 위한 장치 및 방법
JP3613429B2 (ja) ディジタル変調方式の変調システムのディジタル信号適応判定エラー検出回路及び方法
JP3405507B2 (ja) 符号伝送における復調装置及びその方法
JP4180593B2 (ja) Vsb方式の受信機のための搬送波再生装置及びその再生方法
JP2006523059A5 (enExample)
JP4312126B2 (ja) 受信機用シンボル処理装置及び受信機用シンボル処理方法
KR100273762B1 (ko) 잔류측파대 변조방식을 채택하는 영상신호 수신기와그 수신기에서의 레벨모드 선택방법
JP4336884B2 (ja) 復調装置
JP4059861B2 (ja) デジタル放送受信装置
JP5877368B2 (ja) 復調器
JP2002111758A (ja) 波形整形回路及びその波形整形方法
JP5061958B2 (ja) 追尾受信装置

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20070112

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20070328

RD02 Notification of acceptance of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7422

Effective date: 20070518

A761 Written withdrawal of application

Free format text: JAPANESE INTERMEDIATE CODE: A761

Effective date: 20080410