KR100419598B1 - 적응 등화 회로 - Google Patents

적응 등화 회로 Download PDF

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Publication number
KR100419598B1
KR100419598B1 KR10-2001-0015591A KR20010015591A KR100419598B1 KR 100419598 B1 KR100419598 B1 KR 100419598B1 KR 20010015591 A KR20010015591 A KR 20010015591A KR 100419598 B1 KR100419598 B1 KR 100419598B1
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KR
South Korea
Prior art keywords
adaptive equalization
circuit
equalization circuit
output
adaptive
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 - Fee Related
Application number
KR10-2001-0015591A
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English (en)
Korean (ko)
Other versions
KR20010106167A (ko
Inventor
니시무라고우이찌로
히로세고우이찌
Original Assignee
가부시키가이샤 히타치세이사쿠쇼
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.)
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Publication date
Application filed by 가부시키가이샤 히타치세이사쿠쇼 filed Critical 가부시키가이샤 히타치세이사쿠쇼
Publication of KR20010106167A publication Critical patent/KR20010106167A/ko
Application granted granted Critical
Publication of KR100419598B1 publication Critical patent/KR100419598B1/ko
Assigned to 히다찌 컨슈머 일렉트로닉스 가부시끼가이샤 reassignment 히다찌 컨슈머 일렉트로닉스 가부시끼가이샤 권리의 전부이전등록 Assignors: 가부시키가이샤 히타치세이사쿠쇼
Anticipated expiration legal-status Critical
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Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H21/00—Adaptive networks
    • H03H21/0012—Digital adaptive filters
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
    • H04L25/03019—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception
    • H04L25/03038—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a non-recursive structure
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/03433—Arrangements for removing intersymbol interference characterised by equaliser structure
    • H04L2025/03439—Fixed structures
    • H04L2025/03445—Time domain
    • H04L2025/03471—Tapped delay lines
    • H04L2025/03477—Tapped delay lines not time-recursive
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/03592—Adaptation methods
    • H04L2025/03598—Algorithms
    • H04L2025/03611—Iterative algorithms
    • H04L2025/03617—Time recursive algorithms

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Filters That Use Time-Delay Elements (AREA)
KR10-2001-0015591A 2000-05-11 2001-03-26 적응 등화 회로 Expired - Fee Related KR100419598B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000143398A JP3928332B2 (ja) 2000-05-11 2000-05-11 適応等化回路
JP2000-143398 2000-05-11

Publications (2)

Publication Number Publication Date
KR20010106167A KR20010106167A (ko) 2001-11-29
KR100419598B1 true KR100419598B1 (ko) 2004-02-19

Family

ID=18650228

Family Applications (1)

Application Number Title Priority Date Filing Date
KR10-2001-0015591A Expired - Fee Related KR100419598B1 (ko) 2000-05-11 2001-03-26 적응 등화 회로

Country Status (5)

Country Link
US (1) US6904086B2 (https=)
JP (1) JP3928332B2 (https=)
KR (1) KR100419598B1 (https=)
CN (1) CN1232047C (https=)
TW (1) TW498637B (https=)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1341331A4 (en) * 2000-12-04 2006-08-30 Fujitsu Ltd TIME EQUALIZATION METHOD AND DEVICE
US7194026B2 (en) * 2001-04-26 2007-03-20 Thomson Licensing Blind equalization method for a high definition television signal
KR100925672B1 (ko) * 2001-11-21 2009-11-10 코닌클리케 필립스 일렉트로닉스 엔.브이. 데이터 전송속도에 비동기적인 샘플링속도에서 동작하는적응형 등화기
US7230984B2 (en) * 2002-03-18 2007-06-12 Cornell Research Foundation, Inc. Methods and system for equalizing data in multicarrier receiver systems
US7305028B2 (en) * 2002-03-18 2007-12-04 Cornell Research Foundation, Inc. Methods and system for equalizing data
US6968170B2 (en) 2002-07-16 2005-11-22 Narad Networks, Inc. Adaptive correction of a received signal frequency response tilt
RU2237964C2 (ru) * 2002-11-29 2004-10-10 Аванесян Гарри Романович Психоакустический процессор (адаптивный эквалайзер)
RU2239278C1 (ru) * 2003-04-15 2004-10-27 Аванесян Гарри Романович Психоакустический процессор (адаптивный эквалайзер)
RU2241305C1 (ru) * 2003-04-15 2004-11-27 Аванесян Гарри Романович Психоакустический процессор (адаптивный эквалайзер без обратных связей)
JP4263553B2 (ja) * 2003-08-19 2009-05-13 パイオニア株式会社 マルチパスひずみ除去フィルタ
US7313181B2 (en) 2003-09-10 2007-12-25 Intel Corporation Calibration of scale factor in adaptive equalizers
JP2005135563A (ja) * 2003-10-31 2005-05-26 Sanyo Electric Co Ltd 適応等化器
RU2279759C2 (ru) * 2004-07-07 2006-07-10 Гарри Романович Аванесян Психоакустический процессор
RU2279758C2 (ru) * 2004-07-07 2006-07-10 Гарри Романович Аванесян Адаптивный эквалайзер (варианты)
KR100640591B1 (ko) * 2004-10-23 2006-11-01 삼성전자주식회사 감소된 면적을 가지는 부분 탭 적응 등화기
KR100801669B1 (ko) * 2006-08-30 2008-02-11 연세대학교 산학협력단 적응형 주파수 영역 등화기 및 주파수 영역 등화 방법
US7916779B1 (en) 2007-09-20 2011-03-29 Integrated Device Technology, Inc. Adaptive decision feedback equalizer for high data rate serial link receiver
JP2012079385A (ja) * 2010-10-04 2012-04-19 Sony Corp データ検出装置、再生装置、データ検出方法
US8625226B2 (en) * 2011-11-23 2014-01-07 International Business Machines Corporation Fixing tap coefficients in a programmable finite-impulse-response equalizer
KR101418046B1 (ko) 2012-12-18 2014-07-10 연세대학교 산학협력단 듀티 사이클 보정 장치 및 방법, 그리고 그를 이용하는 수신기
US10313165B2 (en) * 2017-03-08 2019-06-04 Credo Technology Group Limited Finite impulse response analog receive filter with amplifier-based delay chain

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04271508A (ja) * 1991-02-27 1992-09-28 Nec Corp 自動等化器
JPH0637594A (ja) * 1992-07-15 1994-02-10 Nec Corp 適応フィルタ制御回路
JPH0676477A (ja) * 1992-08-26 1994-03-18 Hitachi Ltd 適応等化回路を有するデータ再生装置
US5467370A (en) * 1994-03-24 1995-11-14 Silicon Systems, Inc. Method and apparatus for an adaptive three tap transversal equalizer for partial-response signaling
JPH1091964A (ja) * 1996-09-13 1998-04-10 Pioneer Electron Corp 記録情報再生装置の適応等化器
KR19980032724A (ko) * 1996-10-31 1998-07-25 다케오스즈이 파형 등화 회로
KR20010045325A (ko) * 1999-11-04 2001-06-05 윤종용 등화기의 필터 계수를 조절하여 재생 성능을 높이는 장치및 방법

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2025135C (en) * 1989-09-13 1993-06-29 Shousei Yoshida Frequency tracking circuit using samples equalized at different sampling instants of same clock period
US5999355A (en) * 1996-04-30 1999-12-07 Cirrus Logic, Inc. Gain and phase constrained adaptive equalizing filter in a sampled amplitude read channel for magnetic recording
JP3366803B2 (ja) 1996-05-28 2003-01-14 パイオニア株式会社 適応等化器
US6414990B1 (en) * 1998-09-29 2002-07-02 Conexant Systems, Inc. Timing recovery for a high speed digital data communication system based on adaptive equalizer impulse response characteristics

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04271508A (ja) * 1991-02-27 1992-09-28 Nec Corp 自動等化器
JPH0637594A (ja) * 1992-07-15 1994-02-10 Nec Corp 適応フィルタ制御回路
JPH0676477A (ja) * 1992-08-26 1994-03-18 Hitachi Ltd 適応等化回路を有するデータ再生装置
US5467370A (en) * 1994-03-24 1995-11-14 Silicon Systems, Inc. Method and apparatus for an adaptive three tap transversal equalizer for partial-response signaling
JPH1091964A (ja) * 1996-09-13 1998-04-10 Pioneer Electron Corp 記録情報再生装置の適応等化器
KR19980032724A (ko) * 1996-10-31 1998-07-25 다케오스즈이 파형 등화 회로
KR20010045325A (ko) * 1999-11-04 2001-06-05 윤종용 등화기의 필터 계수를 조절하여 재생 성능을 높이는 장치및 방법

Also Published As

Publication number Publication date
KR20010106167A (ko) 2001-11-29
JP2001319423A (ja) 2001-11-16
TW498637B (en) 2002-08-11
US6904086B2 (en) 2005-06-07
US20010043651A1 (en) 2001-11-22
JP3928332B2 (ja) 2007-06-13
CN1324149A (zh) 2001-11-28
CN1232047C (zh) 2005-12-14

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