DE3778291D1 - Frequenzgangkompensationsschaltung. - Google Patents

Frequenzgangkompensationsschaltung.

Info

Publication number
DE3778291D1
DE3778291D1 DE8787114909T DE3778291T DE3778291D1 DE 3778291 D1 DE3778291 D1 DE 3778291D1 DE 8787114909 T DE8787114909 T DE 8787114909T DE 3778291 T DE3778291 T DE 3778291T DE 3778291 D1 DE3778291 D1 DE 3778291D1
Authority
DE
Germany
Prior art keywords
compensation circuit
frequency compensation
frequency
circuit
compensation
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
DE8787114909T
Other languages
English (en)
Inventor
Stephen Alan Jove
Klaas Berend Klaassen
Jacobus Cornelis Leo Vanpeppen
Chon Ngoc Vo
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of DE3778291D1 publication Critical patent/DE3778291D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H03F1/42—Modifications of amplifiers to extend the bandwidth
    • H03F1/48—Modifications of amplifiers to extend the bandwidth of aperiodic amplifiers
    • 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
    • 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
    • H03F1/083—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements in transistor amplifiers
    • 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
    • G11B5/027—Analogue recording
    • G11B5/035—Equalising

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
DE8787114909T 1986-10-27 1987-10-13 Frequenzgangkompensationsschaltung. Expired - Fee Related DE3778291D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/923,777 US4743861A (en) 1986-10-27 1986-10-27 Frequency response compensation circuit

Publications (1)

Publication Number Publication Date
DE3778291D1 true DE3778291D1 (de) 1992-05-21

Family

ID=25449255

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787114909T Expired - Fee Related DE3778291D1 (de) 1986-10-27 1987-10-13 Frequenzgangkompensationsschaltung.

Country Status (4)

Country Link
US (1) US4743861A (de)
EP (1) EP0265763B1 (de)
JP (1) JPS63116507A (de)
DE (1) DE3778291D1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8825096D0 (en) * 1988-10-26 1988-11-30 W A Technology Ltd Current amplifier
US5103353A (en) * 1990-05-01 1992-04-07 International Business Machines Corporation Low noise amplifier with short circuit protection for signals from magnetoresistive element
US5053718A (en) * 1990-07-03 1991-10-01 Burr-Brown Corporation Feedback control reducing signal distortion produced by differential amplifier stage
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
US5309294A (en) * 1992-09-08 1994-05-03 Rocky Mountain Magnetics, Inc. Method and circuitry to provide true voltage bias to a magnetoresistive 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
US5426542A (en) * 1994-01-21 1995-06-20 Seagate Technology, Inc. Electronically coupled high-impedance magnetoresistive preamplifier
US5914630A (en) * 1996-05-10 1999-06-22 Vtc Inc. MR head preamplifier with output signal amplitude which is independent of head resistance
US6005733A (en) * 1997-06-12 1999-12-21 Vtc, Inc. Preamplifier bias circuit for use in an AC coupled magnetoresistive read head amplifier

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3427560A (en) * 1965-06-09 1969-02-11 Bendix Corp Direct current amplifier
NL6911359A (de) * 1969-07-23 1971-01-26
JPS5219423B2 (de) * 1971-09-07 1977-05-27
JPS58206210A (ja) * 1982-05-26 1983-12-01 Nec Corp 集積回路
US4651210A (en) * 1984-12-24 1987-03-17 Rca Corporation Adjustable gamma controller

Also Published As

Publication number Publication date
EP0265763A3 (en) 1989-01-25
EP0265763A2 (de) 1988-05-04
US4743861A (en) 1988-05-10
JPS63116507A (ja) 1988-05-20
EP0265763B1 (de) 1992-04-15

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Legal Events

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