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
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)
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)
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)
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 |
-
1986
- 1986-10-27 US US06/923,777 patent/US4743861A/en not_active Expired - Lifetime
-
1987
- 1987-07-16 JP JP62176103A patent/JPS63116507A/ja active Pending
- 1987-10-13 EP EP87114909A patent/EP0265763B1/de not_active Expired
- 1987-10-13 DE DE8787114909T patent/DE3778291D1/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US4743861A (en) | 1988-05-10 |
EP0265763A2 (de) | 1988-05-04 |
EP0265763B1 (de) | 1992-04-15 |
EP0265763A3 (en) | 1989-01-25 |
JPS63116507A (ja) | 1988-05-20 |
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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 |