JP3683277B2 - 磁気書込ヘッドを具える装置、及び容量性フィードフォワード補償付き書込増幅器 - Google Patents

磁気書込ヘッドを具える装置、及び容量性フィードフォワード補償付き書込増幅器 Download PDF

Info

Publication number
JP3683277B2
JP3683277B2 JP51954097A JP51954097A JP3683277B2 JP 3683277 B2 JP3683277 B2 JP 3683277B2 JP 51954097 A JP51954097 A JP 51954097A JP 51954097 A JP51954097 A JP 51954097A JP 3683277 B2 JP3683277 B2 JP 3683277B2
Authority
JP
Japan
Prior art keywords
current
transistor
terminal
main electrode
power supply
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
JP51954097A
Other languages
English (en)
Japanese (ja)
Other versions
JPH10513300A (ja
JPH10513300A5 (2
Inventor
ヨアオ ヌノ ヴィラ ロボス ラマロ
エリク ベルナール マリフランソワ デボネ
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 JPH10513300A publication Critical patent/JPH10513300A/ja
Publication of JPH10513300A5 publication Critical patent/JPH10513300A5/ja
Application granted granted Critical
Publication of JP3683277B2 publication Critical patent/JP3683277B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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
    • G11B5/02—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Digital Magnetic Recording (AREA)
JP51954097A 1995-11-21 1996-11-12 磁気書込ヘッドを具える装置、及び容量性フィードフォワード補償付き書込増幅器 Expired - Lifetime JP3683277B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP95203187 1995-11-21
NL95203187.0 1995-11-21
PCT/IB1996/001211 WO1997019445A1 (en) 1995-11-21 1996-11-12 Arrangement comprising a magnetic write head, and write amplifier with capacitive feed-forward compensation

Publications (3)

Publication Number Publication Date
JPH10513300A JPH10513300A (ja) 1998-12-15
JPH10513300A5 JPH10513300A5 (2) 2004-10-21
JP3683277B2 true JP3683277B2 (ja) 2005-08-17

Family

ID=8220847

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51954097A Expired - Lifetime JP3683277B2 (ja) 1995-11-21 1996-11-12 磁気書込ヘッドを具える装置、及び容量性フィードフォワード補償付き書込増幅器

Country Status (8)

Country Link
US (1) US5841603A (2)
EP (1) EP0804789B1 (2)
JP (1) JP3683277B2 (2)
KR (1) KR100449934B1 (2)
CN (1) CN1148723C (2)
DE (1) DE69629549T2 (2)
TW (1) TW325559B (2)
WO (1) WO1997019445A1 (2)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
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
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
EP1756690B1 (en) * 2004-06-15 2011-01-05 Analog Devices, Inc. Precision chopper-stabilized current mirror
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)
WO1995010049A1 (en) * 1993-10-06 1995-04-13 Philips Electronics N.V. Arrangement for reading information from a track on a record carrier
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
KR100376024B1 (ko) * 1994-06-10 2003-08-14 코닌클리케 필립스 일렉트로닉스 엔.브이. 자기기록캐리어상에정보신호를기록하기위한장치및기입증폭기
WO1995035595A2 (en) * 1994-06-15 1995-12-28 Philips Electronics N.V. Differential amplifier with common-mode rejection for low supply voltages

Also Published As

Publication number Publication date
KR100449934B1 (ko) 2004-12-14
JPH10513300A (ja) 1998-12-15
US5841603A (en) 1998-11-24
CN1169200A (zh) 1997-12-31
TW325559B (en) 1998-01-21
DE69629549D1 (de) 2003-09-25
EP0804789A1 (en) 1997-11-05
KR19980701539A (ko) 1998-05-15
EP0804789B1 (en) 2003-08-20
WO1997019445A1 (en) 1997-05-29
CN1148723C (zh) 2004-05-05
DE69629549T2 (de) 2004-06-17

Similar Documents

Publication Publication Date Title
JP3683277B2 (ja) 磁気書込ヘッドを具える装置、及び容量性フィードフォワード補償付き書込増幅器
JP3773256B2 (ja) 磁気書込みヘッドを具える装置、及び容量性電流補償を有する書込み増幅器
JP3623963B2 (ja) 情報信号記録装置
JP3514461B2 (ja) 情報読み出し装置
US5345346A (en) Positive feedback low input capacitance differential amplifier
US5691663A (en) Single-ended supply preamplifier with high power supply rejection ratio
US7206155B2 (en) High-speed, low power preamplifier write driver
US7190541B2 (en) Hi-speed preamplifier write driver for hard drive with improved symmetry
US6064261A (en) Write amplifier with improved switching performance, output common-mode voltage, and head current control
JP3516178B2 (ja) プリアンプ回路装置
KR100634130B1 (ko) 기록 구동회로를 구비한 레코딩 장치
JPS60254922A (ja) 双対モ−ド論理回路
KR900002251B1 (ko) 디지탈 자기 기록 회로
HK1013164B (en) Arrangement comprising a magnetic write head, and write amplifier with capacitive current compensation
HK1013166B (en) Arrangement for recording an information signal on a magnetic record carrier
JP2779432B2 (ja) リード／ライト用集積回路
JPH0345568B2 (2)
JP2001084502A (ja) 再生回路及びそれを用いた磁気再生装置
JP2000268302A (ja) 磁気ディスクメモリ装置
JPH02103702A (ja) 記録電流増幅装置
JP2000149205A (ja) 増幅回路
JPH04254767A (ja) ボトムホールド回路

Legal Events

Date Code Title Description
A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20041207

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20050301

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20050510

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20050525

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

S801 Written request for registration of abandonment of right

Free format text: JAPANESE INTERMEDIATE CODE: R311801

ABAN Cancellation due to abandonment
FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20080603

Year of fee payment: 3

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350