JP2003510750A - プログラム可能な書き込み−読み取り移行ノイズ抑圧回路を有する読み取りチャネルを持つ磁気媒体記録装置 - Google Patents

プログラム可能な書き込み−読み取り移行ノイズ抑圧回路を有する読み取りチャネルを持つ磁気媒体記録装置

Info

Publication number
JP2003510750A
JP2003510750A JP2001527280A JP2001527280A JP2003510750A JP 2003510750 A JP2003510750 A JP 2003510750A JP 2001527280 A JP2001527280 A JP 2001527280A JP 2001527280 A JP2001527280 A JP 2001527280A JP 2003510750 A JP2003510750 A JP 2003510750A
Authority
JP
Japan
Prior art keywords
read
write
signal path
gain
storage device
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Withdrawn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
JP2001527280A
Other languages
English (en)
Japanese (ja)
Other versions
JP2003510750A5 (https=
Inventor
サンジャイ エム バンダリ
デビッド アルーシェ
デニス プー
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
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 Philips Electronics NV filed Critical Philips Electronics NV
Publication of JP2003510750A publication Critical patent/JP2003510750A/ja
Publication of JP2003510750A5 publication Critical patent/JP2003510750A5/ja
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/596—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on disks
    • G11B5/59694—System adaptation for working during or after external perturbation, e.g. in the presence of a mechanical oscillation caused by a shock
    • 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
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B2005/0002—Special dispositions or recording techniques
    • G11B2005/0005—Arrangements, methods or circuits
    • G11B2005/001—Controlling recording characteristics of record carriers or transducing characteristics of transducers by means not being part of their structure
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2508—Magnetic discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/012—Recording on, or reproducing or erasing from, magnetic disks
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/027—Analogue recording
    • G11B5/035—Equalising

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Digital Magnetic Recording (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Networks Using Active Elements (AREA)
JP2001527280A 1999-09-28 2000-09-21 プログラム可能な書き込み−読み取り移行ノイズ抑圧回路を有する読み取りチャネルを持つ磁気媒体記録装置 Withdrawn JP2003510750A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/407,775 US6424480B1 (en) 1999-09-28 1999-09-28 Magnetic medium storage apparatus with read channel having a programmable write-to-read suppression
US09/407,775 1999-09-28
PCT/EP2000/009224 WO2001024178A1 (en) 1999-09-28 2000-09-21 Magnetic medium recording apparatus with a read channel comprising a programmable write-to-read transition noise suppressing circuit

Publications (2)

Publication Number Publication Date
JP2003510750A true JP2003510750A (ja) 2003-03-18
JP2003510750A5 JP2003510750A5 (https=) 2007-11-15

Family

ID=23613476

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001527280A Withdrawn JP2003510750A (ja) 1999-09-28 2000-09-21 プログラム可能な書き込み−読み取り移行ノイズ抑圧回路を有する読み取りチャネルを持つ磁気媒体記録装置

Country Status (5)

Country Link
US (1) US6424480B1 (https=)
EP (1) EP1141955A1 (https=)
JP (1) JP2003510750A (https=)
KR (1) KR100810829B1 (https=)
WO (1) WO2001024178A1 (https=)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6518839B2 (en) * 2000-06-28 2003-02-11 Texas Instrumetns Incorporated Method and apparatus for effecting programmable gain amplification
US6621649B1 (en) * 2000-11-10 2003-09-16 Texas Instruments Incorporated Write-to-read switching improvement for differential preamplifier circuits in hard disk drive systems
US7292400B2 (en) * 2001-04-23 2007-11-06 Seagate Technology Llc Device for limiting current in a sensor
US6724556B2 (en) * 2001-06-29 2004-04-20 Texas Instruments Incorporated Single pole voltage bias loop for increased stability
US7106541B2 (en) 2001-09-14 2006-09-12 Convergent Systems Solutions, Llc Digital device configuration and method
US6973535B2 (en) * 2001-09-14 2005-12-06 Cornice, Inc. Digital device configuration and method
US6700427B1 (en) * 2002-08-28 2004-03-02 Adam J. Sherman Wideband DC-accurate series resistance compensator
US7480347B2 (en) * 2003-09-11 2009-01-20 Xilinx, Inc. Analog front-end having built-in equalization and applications thereof
US7756279B2 (en) * 2003-10-14 2010-07-13 Audioasics A/S Microphone preamplifier
CN100581032C (zh) * 2003-12-01 2010-01-13 音频专用集成电路公司 具有电压泵的麦克风
US7339760B2 (en) * 2004-01-30 2008-03-04 Agere Systems Inc. Integrated bias and offset recovery amplifier
US7697600B2 (en) * 2005-07-14 2010-04-13 Altera Corporation Programmable receiver equalization circuitry and methods
US7701654B2 (en) * 2005-09-23 2010-04-20 Agere Systems Inc. Apparatus and method for controlling common mode voltage of a disk drive write head
US7667914B2 (en) * 2006-04-17 2010-02-23 Hitachi Global Storage Technologies Netherlands B.V. Direct coupled wide-bandwidth front-end with smart bias control amplifier
JP2010108560A (ja) * 2008-10-31 2010-05-13 Toshiba Storage Device Corp 信号増幅装置、記憶装置
US9240199B2 (en) * 2014-03-12 2016-01-19 Avago Technologies General Ip (Singapore) Pte. Ltd. Systems and methods for distortion characterization
US10715358B1 (en) * 2018-11-29 2020-07-14 Xilinx, Inc. Circuit for and method of receiving signals in an integrated circuit device

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04328976A (ja) * 1991-04-27 1992-11-17 Rohm Co Ltd アクティブフィルタの特性切り換え回路
JP2625609B2 (ja) * 1991-07-10 1997-07-02 インターナショナル・ビジネス・マシーンズ・コーポレイション ディスク記憶装置
FR2694469B1 (fr) * 1992-07-31 1994-10-28 Sgs Thomson Microelectronics Dispositif de commutation écriture/lecture d'une tête de magnétoscope.
JP2933449B2 (ja) * 1992-09-22 1999-08-16 日本電気株式会社 自動利得制御回路及びこれを用いたデータ記憶装置
US5416646A (en) * 1992-11-12 1995-05-16 Kabushiki Kaisha Toshiba Data recording and reproducing apparatus having read/write circuit with programmable parameter means
DE69428678T2 (de) 1993-10-06 2002-07-11 Koninklijke Philips Electronics N.V., Eindhoven Vorrichtung zum auslesen von informationen von einer spur eines aufzeichnungsträgers
US6172548B1 (en) * 1994-12-30 2001-01-09 Stmicroelectronics, Inc. Input stage with reduced transient time for use in multiplexing transducers that require a switched DC bias
US5768320A (en) * 1995-09-05 1998-06-16 Analog Devices, Inc. Read system for implementing PR4 and higher order PRML signals
US5949820A (en) * 1996-08-01 1999-09-07 Nec Electronics Inc. Method for optimizing an equalization and receive filter
US6219194B1 (en) * 1999-04-09 2001-04-17 Guzik Technical Enterprises MR head read amplifier with improved write to read recovery time

Also Published As

Publication number Publication date
KR100810829B1 (ko) 2008-03-06
EP1141955A1 (en) 2001-10-10
WO2001024178A1 (en) 2001-04-05
KR20010087400A (ko) 2001-09-15
US6424480B1 (en) 2002-07-23

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