JP4027829B2 - 書込みドライバ性能増強方法及びそのシステム - Google Patents

書込みドライバ性能増強方法及びそのシステム Download PDF

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Publication number
JP4027829B2
JP4027829B2 JP2003082215A JP2003082215A JP4027829B2 JP 4027829 B2 JP4027829 B2 JP 4027829B2 JP 2003082215 A JP2003082215 A JP 2003082215A JP 2003082215 A JP2003082215 A JP 2003082215A JP 4027829 B2 JP4027829 B2 JP 4027829B2
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JP
Japan
Prior art keywords
switch
current
generating
current pulse
write
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Expired - Fee Related
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JP2003082215A
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English (en)
Japanese (ja)
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JP2003317204A (ja
JP2003317204A5 (enExample
Inventor
ジェイ プライス ジョン
Original Assignee
テキサス インスツルメンツ インコーポレイテツド
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Publication of JP2003317204A publication Critical patent/JP2003317204A/ja
Publication of JP2003317204A5 publication Critical patent/JP2003317204A5/ja
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    • 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
    • G11B5/022—H-Bridge head driver circuit, the "H" configuration allowing to inverse the current direction in the head
    • 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
    • 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
    • G11B2005/0013—Controlling recording characteristics of record carriers or transducing characteristics of transducers by means not being part of their structure of transducers, e.g. linearisation, equalisation
    • 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
    • G11B5/09—Digital recording

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  • Digital Magnetic Recording (AREA)
JP2003082215A 2002-04-09 2003-03-25 書込みドライバ性能増強方法及びそのシステム Expired - Fee Related JP4027829B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/118,782 US6721115B2 (en) 2002-04-09 2002-04-09 System and method for enhancing write driver performance
US10/118782 2002-04-09

Publications (3)

Publication Number Publication Date
JP2003317204A JP2003317204A (ja) 2003-11-07
JP2003317204A5 JP2003317204A5 (enExample) 2006-04-20
JP4027829B2 true JP4027829B2 (ja) 2007-12-26

Family

ID=28453973

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003082215A Expired - Fee Related JP4027829B2 (ja) 2002-04-09 2003-03-25 書込みドライバ性能増強方法及びそのシステム

Country Status (3)

Country Link
US (2) US6721115B2 (enExample)
EP (1) EP1353324A3 (enExample)
JP (1) JP4027829B2 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7417817B1 (en) 2003-03-18 2008-08-26 Marvell International Ltd. Write driver circuit for magnetic data storage systems
US7035028B2 (en) * 2004-05-12 2006-04-25 Stmicroelectronics, Inc. Disk drive write driver with boosting circuit to improve output voltage swing
US7365928B2 (en) * 2004-04-14 2008-04-29 Stmicroelectronics, Inc. Write driver with improved boosting circuit and interconnect impedance matching
US7375909B2 (en) * 2004-04-14 2008-05-20 Stmicroelectronics, Inc. Write driver with power optimization and interconnect impedance matching
US7786754B2 (en) * 2008-09-09 2010-08-31 Hitachi Global Storage Technologies Netherlands B.V. High speed digital signaling apparatus and method using reflected signals to increase total delivered current
US8861125B2 (en) 2012-04-23 2014-10-14 Texas Instruments Incorporated Preamplifier output current control
US8804261B2 (en) * 2012-07-27 2014-08-12 Lsi Corporation Over-the-rail write driver for magnetic storage systems

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5287231A (en) * 1992-10-06 1994-02-15 Vtc Inc. Write circuit having current mirrors between predriver and write driver circuits for maximum head voltage swing
US5296975A (en) * 1992-10-09 1994-03-22 International Business Machines Corporation High-transition-rate, low-supply-voltage write driver circuitry for magnetic inductive write head
US5757215A (en) * 1997-03-10 1998-05-26 Vtc Inc. Common-gate pre-driver for disc drive write circuit
US5894237A (en) * 1997-07-30 1999-04-13 Vtc Inc. Write driver with buffer circuits between pull-up resistors and upper drive transistors
US6297921B1 (en) * 1998-10-08 2001-10-02 John J. Price, Jr. Write driver circuit having programmable overshoot and undershoot
US6133768A (en) * 1998-10-08 2000-10-17 Lucent Technologies Inc. Breakdown voltage compensation circuit for write driver transistors
US6184727B1 (en) * 1998-10-08 2001-02-06 Lucent Technologies Inc. Write driver circuit having enhanced switching control circuitry
US6366421B2 (en) * 1998-12-17 2002-04-02 Texas Instruments Incorporated Adjustable writer overshoot for a hard disk drive write head
US6545514B2 (en) * 1999-04-26 2003-04-08 Stmicroelectronics N.V. Drive circuit for inductive loads
US6512645B1 (en) * 1999-09-09 2003-01-28 Stmicroelectronics Inc. Circuit and method for writing to a memory disk with a boosted voltage
US7035027B2 (en) * 2001-10-09 2006-04-25 Texas Instruments Incorporated Circuits to achieve high data rate writing on thin film transducer
JP2003272105A (ja) * 2002-03-20 2003-09-26 Sony Corp 磁気ヘッド駆動用ライトドライバー回路
JP3978091B2 (ja) * 2002-06-24 2007-09-19 株式会社日立グローバルストレージテクノロジーズ オーバーシュート電流位相／振幅制御機構を備えた磁気記録装置、制御回路および制御方法

Also Published As

Publication number Publication date
US20050111126A1 (en) 2005-05-26
JP2003317204A (ja) 2003-11-07
EP1353324A2 (en) 2003-10-15
EP1353324A3 (en) 2008-06-11
US20030189447A1 (en) 2003-10-09
US7154693B2 (en) 2006-12-26
US6721115B2 (en) 2004-04-13

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