CN1148723C - 包括磁写入头和具有电容前馈补偿的写入放大器的装置 - Google Patents

包括磁写入头和具有电容前馈补偿的写入放大器的装置 Download PDF

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Publication number
CN1148723C
CN1148723C CNB961915374A CN96191537A CN1148723C CN 1148723 C CN1148723 C CN 1148723C CN B961915374 A CNB961915374 A CN B961915374A CN 96191537 A CN96191537 A CN 96191537A CN 1148723 C CN1148723 C CN 1148723C
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CN
China
Prior art keywords
current
transistor
terminal
main electrode
electrode
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 - Lifetime
Application number
CNB961915374A
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English (en)
Chinese (zh)
Other versions
CN1169200A (zh
Inventor
J.N.V.L.拉马尔霍
F.德斯波尼特斯
E.B.M.F.德斯波尼特斯
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.)
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Publication date
Application filed by Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of CN1169200A publication Critical patent/CN1169200A/zh
Application granted granted Critical
Publication of CN1148723C publication Critical patent/CN1148723C/zh
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • G11B5/02—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
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/09—Digital recording
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/08—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
    • H03F1/14—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of neutralising means
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Digital Magnetic Recording (AREA)
CNB961915374A 1995-11-21 1996-11-12 包括磁写入头和具有电容前馈补偿的写入放大器的装置 Expired - Lifetime CN1148723C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP95203187.0 1995-11-21
EP95203187 1995-11-21

Publications (2)

Publication Number Publication Date
CN1169200A CN1169200A (zh) 1997-12-31
CN1148723C true CN1148723C (zh) 2004-05-05

Family

ID=8220847

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB961915374A Expired - Lifetime CN1148723C (zh) 1995-11-21 1996-11-12 包括磁写入头和具有电容前馈补偿的写入放大器的装置

Country Status (8)

Country Link
US (1) US5841603A (https=)
EP (1) EP0804789B1 (https=)
JP (1) JP3683277B2 (https=)
KR (1) KR100449934B1 (https=)
CN (1) CN1148723C (https=)
DE (1) DE69629549T2 (https=)
TW (1) TW325559B (https=)
WO (1) WO1997019445A1 (https=)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6124751A (en) * 1997-06-30 2000-09-26 Stmicroelectronics, Inc. Boost capacitor for an H-bridge integrated circuit motor controller having matching characteristics with that of the low-side switching devices of the bridge
US6052017A (en) * 1997-06-30 2000-04-18 Stmicroelectronics, Inc. Method and circuit for enabling rapid flux reversal in the coil of a write head associated with a computer disk drive, or the like
US6166869A (en) * 1997-06-30 2000-12-26 Stmicroelectronics, Inc. Method and circuit for enabling rapid flux reversal in the coil of a write head associated with a computer disk drive, or the like
US6219195B1 (en) * 1998-01-29 2001-04-17 Marvell Technology Group Ltd. Low-noise magneto-resistive amplifier using CMOS technology
US6301068B1 (en) 1998-07-02 2001-10-09 Seagate Technology Llc Programmable write current waveform for high frequency magnetic recording
US6246533B1 (en) * 1998-07-13 2001-06-12 Agilent Technologies, Inc. Programmable write driver circuit for writing information to a magnetic storage media
US6222695B1 (en) * 1998-08-10 2001-04-24 Siemens Microelectronics, Inc. System and method for a preamplifier write circuit with reduced rise/fall time
US6683740B1 (en) * 1999-10-21 2004-01-27 Sony Corporation Architecture for a hard disk drive write amplifier circuit with damping control
US6631045B1 (en) 1999-10-29 2003-10-07 Stmicroelectronics, Inc. Method and apparatus for ramp loading in a hard disk drive using pulse width modulation
US6275092B1 (en) * 1999-11-16 2001-08-14 Texas Instruments Incorporated Active damping circuit
US6671118B2 (en) * 2000-04-18 2003-12-30 Seagate Technology Llc Common mode termination method and apparatus for a write head
US6580326B2 (en) * 2001-05-25 2003-06-17 Infineon Technologies North America Corp. High-bandwidth low-voltage gain cell and voltage follower having an enhanced transconductance
US6646481B2 (en) * 2001-09-28 2003-11-11 Winbond Electronics Corporation Current steering circuit for amplifier
US7006313B2 (en) * 2002-06-25 2006-02-28 Texas Instruments Incorporated Circuit and method to match common mode flex impedance and to achieve symmetrical switching voltage outputs of write driver
US7209307B2 (en) * 2003-03-27 2007-04-24 Sony Corporation Variable read output impedance control circuit for a magnetic media storage system
US7133234B2 (en) * 2003-07-08 2006-11-07 Texas Instruments Incorporated Hard disk drive preamplifier write driver
US7362530B2 (en) * 2004-03-02 2008-04-22 Texas Instruments Incorporated Amplifier apparatus for use with a sensor
US7375909B2 (en) * 2004-04-14 2008-05-20 Stmicroelectronics, Inc. Write driver with power optimization and interconnect impedance matching
US7365928B2 (en) * 2004-04-14 2008-04-29 Stmicroelectronics, Inc. Write driver with improved boosting circuit and interconnect impedance matching
JP4406030B2 (ja) * 2004-06-15 2010-01-27 アナログ デバイセス インコーポレーテッド 高精度のチョッパ安定化電流ミラー
ATE352087T1 (de) * 2004-11-05 2007-02-15 Skidata Ag Vorrichtung zum beschreiben einer magnetschicht
US20060132198A1 (en) * 2004-12-22 2006-06-22 Reza Sharifi Above rail writer driver
US7463094B2 (en) * 2007-03-30 2008-12-09 Don Roy Sauer Linearized class AB biased differential input stage
US7772926B2 (en) * 2008-08-25 2010-08-10 Analog Devices, Inc. Setting the DC operating current of a rail-to-rail output stage of an op-amp
US7999619B2 (en) * 2009-02-09 2011-08-16 Infineon Technologies Ag Class AB output stage
JP5459157B2 (ja) * 2010-09-16 2014-04-02 富士電機株式会社 乗算器要素回路および乗算器
US9042143B2 (en) 2011-10-29 2015-05-26 Ixys Corporation Low forward voltage rectifier using capacitive current splitting
US8649199B2 (en) 2011-10-29 2014-02-11 Ixys Corporation Low forward voltage rectifier
US8804261B2 (en) * 2012-07-27 2014-08-12 Lsi Corporation Over-the-rail write driver for magnetic storage systems

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5278912A (en) * 1991-06-28 1994-01-11 Resound Corporation Multiband programmable compression system
JP3109889B2 (ja) * 1992-01-30 2000-11-20 株式会社日立製作所 磁気ヘッド用回路
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
US5315231A (en) * 1992-11-16 1994-05-24 Hughes Aircraft Company Symmetrical bipolar bias current source with high power supply rejection ratio (PSRR)
DE69428678T2 (de) * 1993-10-06 2002-07-11 Koninklijke Philips Electronics N.V., Eindhoven Vorrichtung zum auslesen von informationen von einer spur eines aufzeichnungsträgers
JP3623963B2 (ja) * 1994-06-10 2005-02-23 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 情報信号記録装置
EP0764320B1 (en) * 1994-06-10 2000-12-27 Koninklijke Philips Electronics N.V. Arrangement comprising a magnetic write head, and write amplifier with capacitive current compensation
JPH10501665A (ja) * 1994-06-15 1998-02-10 フィリップス エレクトロニクス ネムローゼ フェンノートシャップ 低電源電圧に関して同相除去をする差動増幅器

Also Published As

Publication number Publication date
CN1169200A (zh) 1997-12-31
EP0804789A1 (en) 1997-11-05
DE69629549D1 (de) 2003-09-25
KR100449934B1 (ko) 2004-12-14
EP0804789B1 (en) 2003-08-20
WO1997019445A1 (en) 1997-05-29
DE69629549T2 (de) 2004-06-17
JP3683277B2 (ja) 2005-08-17
TW325559B (en) 1998-01-21
KR19980701539A (ko) 1998-05-15
JPH10513300A (ja) 1998-12-15
US5841603A (en) 1998-11-24

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C06 Publication
PB01 Publication
C53 Correction of patent of invention or patent application
CB02 Change of applicant information

Applicant after: Koninklike Philips Electronics N. V.

Applicant before: Philips Electronics N. V.

COR Change of bibliographic data

Free format text: CORRECT: APPLICANT; FROM: N.V. PHILIPS OPTICAL LAMP LTD., CO. TO: ROYAL PHILIPS ELECTRONICS CO., LTD.

C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned
AV01 Patent right actively abandoned
C20 Patent right or utility model deemed to be abandoned or is abandoned