DE69521877T2 - Differenzverstärker mit Pseudolast zur Kontrolle des Ausgangsgleichtaktbereiches - Google Patents

Differenzverstärker mit Pseudolast zur Kontrolle des Ausgangsgleichtaktbereiches

Info

Publication number
DE69521877T2
DE69521877T2 DE69521877T DE69521877T DE69521877T2 DE 69521877 T2 DE69521877 T2 DE 69521877T2 DE 69521877 T DE69521877 T DE 69521877T DE 69521877 T DE69521877 T DE 69521877T DE 69521877 T2 DE69521877 T2 DE 69521877T2
Authority
DE
Germany
Prior art keywords
control
differential amplifier
common mode
output common
mode range
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 - Fee Related
Application number
DE69521877T
Other languages
English (en)
Other versions
DE69521877D1 (de
Inventor
Scott W Cameron
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.)
STMicroelectronics lnc USA
Original Assignee
STMicroelectronics lnc USA
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 STMicroelectronics lnc USA filed Critical STMicroelectronics lnc USA
Publication of DE69521877D1 publication Critical patent/DE69521877D1/de
Application granted granted Critical
Publication of DE69521877T2 publication Critical patent/DE69521877T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H03F3/45479—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/04—Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions
    • 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
    • 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
    • G11B5/40—Protective measures on heads, e.g. against excessive temperature 
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/372—Noise reduction and elimination in amplifier
DE69521877T 1994-12-30 1995-12-22 Differenzverstärker mit Pseudolast zur Kontrolle des Ausgangsgleichtaktbereiches Expired - Fee Related DE69521877T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/366,790 US5770968A (en) 1994-12-30 1994-12-30 Differential amplifier with proxy load for control of output common mode range

Publications (2)

Publication Number Publication Date
DE69521877D1 DE69521877D1 (de) 2001-08-30
DE69521877T2 true DE69521877T2 (de) 2002-04-11

Family

ID=23444517

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69521877T Expired - Fee Related DE69521877T2 (de) 1994-12-30 1995-12-22 Differenzverstärker mit Pseudolast zur Kontrolle des Ausgangsgleichtaktbereiches

Country Status (4)

Country Link
US (1) US5770968A (de)
EP (1) EP0720285B1 (de)
JP (1) JPH08235508A (de)
DE (1) DE69521877T2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5812019A (en) * 1997-01-10 1998-09-22 Vtc Inc. Open-loop MR biasing circuit with high power supply and common mode rejection
US5973547A (en) * 1997-06-27 1999-10-26 Sun Microsystems, Inc Self-biasing, offset-nulling power supply monitor circuit
US6252735B1 (en) 1999-02-25 2001-06-26 International Business Machines Corporation Voltage-biasing, voltage-sensing differential preamplifier for magnetoresistive elements
US6064261A (en) * 1999-04-23 2000-05-16 Guzik Technical Enterprises Write amplifier with improved switching performance, output common-mode voltage, and head current control
US6847501B2 (en) * 2002-11-06 2005-01-25 International Business Machines Corporation Method and apparatus for providing matched differential MR biasing and pre-amplification
US7075344B2 (en) * 2002-12-02 2006-07-11 International Business Machines Corporation Measurement of the write current of a current mode write driver while engaged in the writing process
ITVA20050018A1 (it) * 2005-03-15 2006-09-16 St Microelectronics Srl Commutatore controllato
US7893671B2 (en) * 2007-03-12 2011-02-22 Texas Instruments Incorporated Regulator with improved load regulation
US9218822B1 (en) 2015-05-13 2015-12-22 HGST Netherlands B.V. Disk drive with preamplifier with isolation for multiple readers in a slider with a common return signal

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5832221A (ja) * 1981-08-17 1983-02-25 Sony Corp 磁気抵抗効果型磁気ヘツド
US4528517A (en) * 1983-02-07 1985-07-09 Tektronix, Inc. Overdrive thermal distortion compensation for a Quinn cascomp amplifier
US4551772A (en) * 1984-03-28 1985-11-05 Storage Technology Corporation Write drive with current mirrors which reduce feed-through
JPS61173506A (ja) * 1985-01-28 1986-08-05 Iwatsu Electric Co Ltd 差動増幅器
US4712144A (en) * 1985-08-20 1987-12-08 International Business Machines Corporation Method and apparatus for reading recorded data by a magnetoresistive head
US4879610A (en) * 1988-09-28 1989-11-07 International Business Machines Corporation Protective circuit for a magnetoresistive element
US5103353A (en) * 1990-05-01 1992-04-07 International Business Machines Corporation Low noise amplifier with short circuit protection for signals from magnetoresistive element
US5204789A (en) * 1991-01-31 1993-04-20 International Business Machines Corporation Low noise voltage-biasing amplifier for magnetoresistive element
FR2695522B1 (fr) * 1992-09-07 1994-12-02 Sgs Thomson Microelectronics Circuit convertisseur tension/courant.
US5309295A (en) * 1992-10-08 1994-05-03 International Business Machines Corporation Method and apparatus for biasing a magneto-resistive head
US5327303A (en) * 1992-12-18 1994-07-05 Seagate Technology, Inc. MR preamplifier having feedback loops for minimizing differential low frequency components and regulating common mode low frequency components of the preamplifier output signal
US5428307A (en) * 1993-10-20 1995-06-27 Silicon Systems, Inc. Closed-loop peak detector topology
US5444579A (en) * 1993-12-17 1995-08-22 Imp, Inc. Preamplifier of a signal from a variable resistance sensor, and a current source

Also Published As

Publication number Publication date
JPH08235508A (ja) 1996-09-13
EP0720285A3 (de) 1996-08-28
DE69521877D1 (de) 2001-08-30
EP0720285B1 (de) 2001-07-25
US5770968A (en) 1998-06-23
EP0720285A2 (de) 1996-07-03

Similar Documents

Publication Publication Date Title
DE69325293T2 (de) Differenzverstärker mit verbesserter Gleichtaktstabilität
BR9612335A (pt) Amplificador eficaz com poténcia em estágio paralelo
DK0776088T3 (da) Forstærkerudgangstrin
DE69528524D1 (de) Lipasen mit verbesserten tensiostabilitaet
DE69507659D1 (de) Differenzverstärker mit Gleichtaktregelung
DE69525290T2 (de) Leistungsverstärker mit Steuerung des Begrenzungspegels
DE69529395T2 (de) Leistungsverstärker mit grosser Dynamik
DE69406000T2 (de) Fahrzeugbremsanlage mit elektronisch gesteuertem bremskraftverstärker
DE69417478T2 (de) Volldifferentialverstärker
DE69030716D1 (de) Ausgangsverstärkerstufe mit Leistungsaufnahmeverringerungseigenschaften
DE69421787T2 (de) Verstärkerelement mit Differenzstruktur in Strombetriebsart
DE69521749T2 (de) Vielstufiger verstärker mit hybrider verschachtelter miller-kompensation
DE69420476T2 (de) Verriegelungsgesteuerter Ausgangstreiber
DE69521877D1 (de) Differenzverstärker mit Pseudolast zur Kontrolle des Ausgangsgleichtaktbereiches
DE69511183T2 (de) Differenzverstärker mit Gleichtaktsignalkorrektur
DE69814558D1 (de) Verstärker mit hohem Verstärkungsgrad und begrenzter Ausgangsdynamik
DE69426977D1 (de) Abfühlverstärker mit Hysteresis
DE69315553T2 (de) Differenzverstärkeranordnung
DE69514417D1 (de) Differenzverstärker
DE69623919T2 (de) Verstärkerausgangsstufe mit verbesserter Treibfähigkeit
NO960636D0 (no) Kraft-forsterker
DE69616316D1 (de) Bremskraftverstärker mit vereinfachtem ausgleichsraum
DE69421212D1 (de) Verstärker mit sequentieller Wirkungsweise
DE59505469D1 (de) Achslast-Anzeigevorrichtung
DE9403204U1 (de) Abschaltschrauber mit Steuersignalausgang

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee