DE69708366D1 - Signalverarbeitungskanal - Google Patents

Signalverarbeitungskanal

Info

Publication number
DE69708366D1
DE69708366D1 DE69708366T DE69708366T DE69708366D1 DE 69708366 D1 DE69708366 D1 DE 69708366D1 DE 69708366 T DE69708366 T DE 69708366T DE 69708366 T DE69708366 T DE 69708366T DE 69708366 D1 DE69708366 D1 DE 69708366D1
Authority
DE
Germany
Prior art keywords
signal processing
processing channel
channel
signal
processing
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
DE69708366T
Other languages
English (en)
Other versions
DE69708366T2 (de
Inventor
Richard A Baugh
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.)
Hewlett Packard Development Co LP
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Application granted granted Critical
Publication of DE69708366D1 publication Critical patent/DE69708366D1/de
Publication of DE69708366T2 publication Critical patent/DE69708366T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • G11B20/10009—Improvement or modification of read or write signals
    • G11B20/10046—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter
    • G11B20/10203—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter baseline correction
    • 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
    • H04L25/03828—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties
    • H04L25/03834—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties using pulse shaping
DE69708366T 1996-04-04 1997-03-19 Signalverarbeitungskanal Expired - Fee Related DE69708366T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/628,173 US5774505A (en) 1996-04-04 1996-04-04 Intersymbol interference cancellation with reduced complexity

Publications (2)

Publication Number Publication Date
DE69708366D1 true DE69708366D1 (de) 2002-01-03
DE69708366T2 DE69708366T2 (de) 2002-05-16

Family

ID=24517781

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69708366T Expired - Fee Related DE69708366T2 (de) 1996-04-04 1997-03-19 Signalverarbeitungskanal

Country Status (4)

Country Link
US (1) US5774505A (de)
EP (1) EP0800171B1 (de)
JP (1) JP3806219B2 (de)
DE (1) DE69708366T2 (de)

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US5892801A (en) * 1996-03-04 1999-04-06 Adtran, Inc. Decision path reduction of M-ary tree-search detector
US6192087B1 (en) 1996-11-15 2001-02-20 Conexant Systems, Inc. Method and apparatus for spectral shaping in signal-point limited transmission systems
US6278744B1 (en) 1996-11-15 2001-08-21 Conexant Systems, Inc. System for controlling and shaping the spectrum and redundancy of signal-point limited transmission
US6285709B1 (en) * 1997-10-31 2001-09-04 3 Com Corporation Error filtering in a hybrid equalizer system
WO1999039334A1 (fr) 1998-01-28 1999-08-05 Fujitsu Limited Procede de suppression de propagation d'erreur dans une egalisation recursive et dispositif d'enregistrement / reproduction magnetique utilisant ce procede
US6473253B1 (en) * 1999-04-28 2002-10-29 Koninklijke Philips Electronics N.V. Read channel with programmable bandwidth control
US6233276B1 (en) 1999-09-13 2001-05-15 Virata Corporation XDSL modem having time domain filter for ISI mitigation
US7173551B2 (en) * 2000-12-21 2007-02-06 Quellan, Inc. Increasing data throughput in optical fiber transmission systems
US20030030873A1 (en) * 2001-05-09 2003-02-13 Quellan, Inc. High-speed adjustable multilevel light modulation
US7349489B2 (en) * 2001-08-13 2008-03-25 Nokia Siemens Networks Gmbh & Co. Kg Pulse shaping filter with minimal intersymbol interference
FR2831735B1 (fr) * 2001-10-26 2004-01-30 France Telecom Annuleur d'interferences entre symboles
US7221958B2 (en) * 2001-12-12 2007-05-22 Ericsson Inc. Received signal filtering for enhanced selectivity
JP2004013681A (ja) * 2002-06-10 2004-01-15 Bosu & K Consulting Kk 名刺情報管理システム
AU2003256569A1 (en) 2002-07-15 2004-02-02 Quellan, Inc. Adaptive noise filtering and equalization
US7180950B2 (en) * 2002-11-01 2007-02-20 Avago Technologies Fiber Ip (Singapore) Pte. Ltd. Low-noise feedback cancellation filter for enhanced common-mode rejection and noise immunity
US7934144B2 (en) 2002-11-12 2011-04-26 Quellan, Inc. High-speed analog-to-digital conversion with improved robustness to timing uncertainty
US7376356B2 (en) * 2002-12-17 2008-05-20 Lucent Technologies Inc. Optical data transmission system using sub-band multiplexing
WO2004088857A2 (en) * 2003-03-26 2004-10-14 Quellan, Inc. Method and system for equalizing communication signals
US6917223B2 (en) * 2003-04-22 2005-07-12 Texas Instruments Incorporated Gaussian noise generator
US7050388B2 (en) 2003-08-07 2006-05-23 Quellan, Inc. Method and system for crosstalk cancellation
US7804760B2 (en) 2003-08-07 2010-09-28 Quellan, Inc. Method and system for signal emulation
EP1687929B1 (de) * 2003-11-17 2010-11-10 Quellan, Inc. Verfahren und system zur löschung von antennenstörungen
US7522847B2 (en) * 2003-12-19 2009-04-21 Broadcom Corporation Continuous time filter-decision feedback equalizer architecture for optical channel equalization
US7822113B2 (en) * 2003-12-19 2010-10-26 Broadcom Corporation Integrated decision feedback equalizer and clock and data recovery
US7616700B2 (en) 2003-12-22 2009-11-10 Quellan, Inc. Method and system for slicing a communication signal
KR100520224B1 (ko) * 2003-12-23 2005-10-11 삼성전자주식회사 반도체 메모리 장치에서의 ｉｓｉ 제거장치 및 그에 따른ｉｓｉ 제거방법
US7243798B2 (en) * 2004-08-04 2007-07-17 Fisher Clinical Services System and a method for a V-indent blister opening cavity
US7725079B2 (en) 2004-12-14 2010-05-25 Quellan, Inc. Method and system for automatic control in an interference cancellation device
US7522883B2 (en) 2004-12-14 2009-04-21 Quellan, Inc. Method and system for reducing signal interference
US7251090B2 (en) * 2005-04-13 2007-07-31 Hewlett-Packard Development Company, L.P. Pattern dependent write equalization
US7480110B2 (en) * 2005-04-13 2009-01-20 Hewlett-Packard Development Company, L.P. Medium dependent write equalization
US7580452B2 (en) * 2005-11-17 2009-08-25 Avago Technologies General Ip (Singapore) Pte. Ltd. Dynamic comparator system
US9252983B2 (en) 2006-04-26 2016-02-02 Intersil Americas LLC Method and system for reducing radiated emissions from a communications channel
JP2010516104A (ja) 2007-01-09 2010-05-13 ラムバス・インコーポレーテッド 等化送信機および動作方法
US8094707B1 (en) 2007-03-21 2012-01-10 Arrowhead Center, Inc. List-based detection in fading channels with long intersymbol interference
KR101368413B1 (ko) * 2007-10-31 2014-03-04 삼성전자 주식회사 반도체 메모리 장치에서의 ｄｆｅ회로 및 그의 초기화방법
US8170829B1 (en) 2008-03-24 2012-05-01 Cisco Technology, Inc. Tester bundle
US8963573B2 (en) 2011-12-22 2015-02-24 Cisco Technology, Inc. Universal test system for testing electrical and optical hosts
WO2013097211A1 (zh) * 2011-12-31 2013-07-04 大洋电机新动力科技有限公司 一种带自动补偿的窄脉冲过滤电路及其应用的电机控制器
US20150372805A1 (en) * 2014-06-23 2015-12-24 Qualcomm Incorporated Asynchronous pulse modulation for threshold-based signal coding

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Publication number Priority date Publication date Assignee Title
US4283788A (en) * 1976-06-25 1981-08-11 Cselt - Centro Studi E Laboratori Telecomunicazioni S.P.A. Equalization system with preshaping filter
US4276573A (en) * 1979-06-29 1981-06-30 Datapoint Corporation Pulse shaping network for disc read circuitry
NL8701332A (nl) * 1987-06-09 1989-01-02 Philips Nv Systeem voor transmissie van datasignalen met gebruikmaking van beslissingsteruggekoppelde egalisatie.
US4953041A (en) * 1989-01-24 1990-08-28 Maxtor Corporation Read channel detector for use in digital magnetic recording systems
US5107379A (en) * 1989-01-24 1992-04-21 Maxtor Corporation Read channel detector with improved signaling speed
US5235540A (en) * 1990-04-26 1993-08-10 Silicon Systems, Inc. Parasitic insensitive programmable biquadratic pulse slimming technique
US5168395A (en) * 1990-05-02 1992-12-01 International Business Machines Corporation Controlled magnetic recording head relaxation in a magnetic recording system
US5153875A (en) * 1991-03-25 1992-10-06 Level One Communications, Inc. Adaptive balancing network
JP2552053B2 (ja) * 1992-03-11 1996-11-06 ローム株式会社 レベルスライス回路、フロッピーディスク用読取り回路及び磁気再生装置
US5337264A (en) * 1992-06-01 1994-08-09 Levien Raphael L Time reversal gaussian approximation filter
US5297129A (en) * 1992-12-24 1994-03-22 Optical Disc Corporation Waveform shaping method and apparatus for optical recording
KR0152023B1 (ko) * 1993-06-05 1998-10-15 김광호 재생신호 등화방법 및 그 장치
BE1007528A3 (nl) * 1993-09-16 1995-07-25 Philips Electronics Nv Transmissiesysteem met verbeterde egalisator.
JPH07110906A (ja) * 1993-10-08 1995-04-25 Toshiba Corp 磁気記録再生装置とデータ再生方法

Also Published As

Publication number Publication date
EP0800171A2 (de) 1997-10-08
EP0800171A3 (de) 1999-03-24
US5774505A (en) 1998-06-30
DE69708366T2 (de) 2002-05-16
EP0800171B1 (de) 2001-11-21
JP3806219B2 (ja) 2006-08-09
JPH1011708A (ja) 1998-01-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: HEWLETT-PACKARD DEVELOPMENT CO., L.P., HOUSTON, TE

8339 Ceased/non-payment of the annual fee