JPH11203611A - 増幅回路 - Google Patents

増幅回路

Info

Publication number
JPH11203611A
JPH11203611A JP10007885A JP788598A JPH11203611A JP H11203611 A JPH11203611 A JP H11203611A JP 10007885 A JP10007885 A JP 10007885A JP 788598 A JP788598 A JP 788598A JP H11203611 A JPH11203611 A JP H11203611A
Authority
JP
Japan
Prior art keywords
head
amplifier circuit
resistance
transistor
transistors
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.)
Pending
Application number
JP10007885A
Other languages
English (en)
Japanese (ja)
Other versions
JPH11203611A5 (2
Inventor
Keiji Narisawa
敬二 成沢
Norio Shoji
法男 小路
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Priority to JP10007885A priority Critical patent/JPH11203611A/ja
Priority to US09/213,414 priority patent/US6154333A/en
Publication of JPH11203611A publication Critical patent/JPH11203611A/ja
Publication of JPH11203611A5 publication Critical patent/JPH11203611A5/ja
Pending 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
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • 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
    • H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
    • H03F3/4508—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using bipolar transistors as the active amplifying circuit
    • H03F3/45085—Long tailed pairs
    • 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
    • H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
    • H03F3/4508—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using bipolar transistors as the active amplifying circuit
    • H03F3/45098—PI types
    • 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
    • G11B2005/0016—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 of magnetoresistive transducers
    • 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
    • G11B2005/0016—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 of magnetoresistive transducers
    • G11B2005/0018—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 of magnetoresistive transducers by current biasing control or regulation
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/12—Disposition of constructional parts in the apparatus, e.g. of power supply, of modules
    • G11B33/121—Disposition of constructional parts in the apparatus, e.g. of power supply, of modules the apparatus comprising a single recording/reproducing device
    • G11B33/122—Arrangements for providing electrical connections, e.g. connectors, cables, switches
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45458—Indexing scheme relating to differential amplifiers the CSC comprising one or more capacitors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45544—Indexing scheme relating to differential amplifiers the IC comprising one or more capacitors, e.g. coupling capacitors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45702—Indexing scheme relating to differential amplifiers the LC comprising two resistors

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Digital Magnetic Recording (AREA)
  • Magnetic Heads (AREA)
JP10007885A 1998-01-19 1998-01-19 増幅回路 Pending JPH11203611A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP10007885A JPH11203611A (ja) 1998-01-19 1998-01-19 増幅回路
US09/213,414 US6154333A (en) 1998-01-19 1998-12-17 Amplification circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10007885A JPH11203611A (ja) 1998-01-19 1998-01-19 増幅回路

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2006183267A Division JP2006260772A (ja) 2006-07-03 2006-07-03 増幅回路および磁気記録データ再生装置

Publications (2)

Publication Number Publication Date
JPH11203611A true JPH11203611A (ja) 1999-07-30
JPH11203611A5 JPH11203611A5 (2) 2005-07-21

Family

ID=11678061

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10007885A Pending JPH11203611A (ja) 1998-01-19 1998-01-19 増幅回路

Country Status (2)

Country Link
US (1) US6154333A (2)
JP (1) JPH11203611A (2)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001016052A (ja) * 1999-06-30 2001-01-19 Mitsubishi Electric Corp 磁気抵抗素子の信号増幅回路
JP2001067602A (ja) * 1999-08-27 2001-03-16 Mitsubishi Electric Corp Ｍｒ素子信号増幅回路
US6252457B1 (en) * 1999-12-28 2001-06-26 Mitsubishi Denki Kabushiki Kaisha Differential amplifier circuit
US20070126244A1 (en) * 2003-09-09 2007-06-07 Intier Automotive Closures Inc. Power Actuator for Automotive Closure Latch
US7362530B2 (en) * 2004-03-02 2008-04-22 Texas Instruments Incorporated Amplifier apparatus for use with a sensor
JP2008011132A (ja) * 2006-06-29 2008-01-17 Nec Electronics Corp ９０度移相器

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0053343A1 (en) * 1980-11-28 1982-06-09 Hitachi, Ltd. Reproducing and amplifying circuit for magnetoresistive head
US5426542A (en) * 1994-01-21 1995-06-20 Seagate Technology, Inc. Electronically coupled high-impedance magnetoresistive preamplifier
US5757566A (en) * 1996-09-10 1998-05-26 Vtc Inc. Direct AC-coupled amplifier with improved common mode rejection for MR heads
US6066987A (en) * 1998-03-12 2000-05-23 National Semiconductor Corp. Differential cascode magneto-resistance preamplifier with bias bypass

Also Published As

Publication number Publication date
US6154333A (en) 2000-11-28

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