JP2003510747A - 磁気媒体記憶装置における書き込み−読み取り安定化時間の減少及び最適化のための回路 - Google Patents
磁気媒体記憶装置における書き込み−読み取り安定化時間の減少及び最適化のための回路Info
- Publication number
- JP2003510747A JP2003510747A JP2001527273A JP2001527273A JP2003510747A JP 2003510747 A JP2003510747 A JP 2003510747A JP 2001527273 A JP2001527273 A JP 2001527273A JP 2001527273 A JP2001527273 A JP 2001527273A JP 2003510747 A JP2003510747 A JP 2003510747A
- Authority
- JP
- Japan
- Prior art keywords
- read
- signal path
- write
- stage
- signal
- 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.)
- Withdrawn
Links
- 230000006641 stabilisation Effects 0.000 title description 6
- 238000011105 stabilization Methods 0.000 title description 6
- 230000007704 transition Effects 0.000 claims abstract description 23
- 230000036962 time dependent Effects 0.000 claims abstract description 22
- 230000001052 transient effect Effects 0.000 claims description 26
- 238000001914 filtration Methods 0.000 claims description 21
- 230000008859 change Effects 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 10
- 230000004044 response Effects 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000003252 repetitive effect Effects 0.000 claims 2
- 239000003990 capacitor Substances 0.000 abstract description 35
- 238000010586 diagram Methods 0.000 description 12
- 238000013461 design Methods 0.000 description 9
- 230000008901 benefit Effects 0.000 description 6
- 230000006870 function Effects 0.000 description 6
- 102220026959 rs587778998 Human genes 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000001629 suppression Effects 0.000 description 4
- XYUINKARGUCCQJ-UHFFFAOYSA-N 3-imino-n-propylpropan-1-amine Chemical compound CCCNCCC=N XYUINKARGUCCQJ-UHFFFAOYSA-N 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 102200153443 rs768834663 Human genes 0.000 description 3
- 102220059229 rs786203745 Human genes 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 238000012804 iterative process Methods 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
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- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Classifications
-
- 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
- H03F3/45179—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using MOSFET transistors as the active amplifying circuit
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10009—Improvement or modification of read or write signals
-
- 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
-
- 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
- H03F3/45928—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection using IC blocks as the active amplifying circuit
- H03F3/45932—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection using IC blocks as the active amplifying circuit by using feedback means
- H03F3/45937—Measuring at the loading circuit of the differential amplifier
- H03F3/45941—Controlling the input circuit of the differential amplifier
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/02—Multiple-port networks
- H03H11/04—Frequency selective two-port networks
- H03H11/12—Frequency selective two-port networks using amplifiers with feedback
- H03H11/1291—Current or voltage controlled filters
-
- 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
-
- 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
- H03F2203/45466—Indexing scheme relating to differential amplifiers the CSC being controlled, e.g. by a signal derived from a non specified place in the dif amp circuit
-
- 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
- H03F2203/45506—Indexing scheme relating to differential amplifiers the CSC comprising only one switch
-
- 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
- H03F2203/45631—Indexing scheme relating to differential amplifiers the LC 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
- H03F2203/45634—Indexing scheme relating to differential amplifiers the LC comprising one or more switched 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
- H03F2203/45646—Indexing scheme relating to differential amplifiers the LC comprising an extra current source
-
- 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
-
- 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
- H03F2203/45726—Indexing scheme relating to differential amplifiers the LC comprising more than one switch, which are not cross coupled
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Signal Processing (AREA)
- Digital Magnetic Recording (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Electronic Switches (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/407,776 US6404578B1 (en) | 1999-09-28 | 1999-09-28 | Circuit for reduction and optimization of write-to-read settling times in magnetic medium storage devices |
| US09/407,776 | 1999-09-28 | ||
| PCT/EP2000/009400 WO2001024168A1 (en) | 1999-09-28 | 2000-09-25 | Circuit for reduction and optimization of write-to-read settling times in magnetic medium storage devices |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003510747A true JP2003510747A (ja) | 2003-03-18 |
| JP2003510747A5 JP2003510747A5 (enExample) | 2007-11-15 |
Family
ID=23613481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001527273A Withdrawn JP2003510747A (ja) | 1999-09-28 | 2000-09-25 | 磁気媒体記憶装置における書き込み−読み取り安定化時間の減少及び最適化のための回路 |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US6404578B1 (enExample) |
| EP (1) | EP1135769B1 (enExample) |
| JP (1) | JP2003510747A (enExample) |
| KR (2) | KR20010080576A (enExample) |
| DE (1) | DE60016374T2 (enExample) |
| WO (1) | WO2001024168A1 (enExample) |
Families Citing this family (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6567228B1 (en) * | 2000-06-03 | 2003-05-20 | Koninklijke Philips Electronics N.V. | Optimized stage reader for low cost implementation of preamplifiers |
| US6751034B1 (en) * | 2000-07-19 | 2004-06-15 | Texas Instruments Incorporated | Preamplifier read recovery parade |
| US6721117B2 (en) * | 2000-11-29 | 2004-04-13 | Agere Systems Inc. | Read/write system with reduced write-to-read transition recovery time independent from input voltage and input current offset |
| WO2002060055A1 (en) * | 2001-01-24 | 2002-08-01 | Koninklijke Philips Electronics N.V. | Tunable integrated rf filter having switched field effect capacitors |
| US7292400B2 (en) * | 2001-04-23 | 2007-11-06 | Seagate Technology Llc | Device for limiting current in a sensor |
| US6876253B2 (en) | 2001-09-28 | 2005-04-05 | Koninklijke Philips Electronics N.V. | Amplifier for alternating signals superimposed on a continuous signal and method for amplifying such signals |
| FR2850499B1 (fr) * | 2003-01-28 | 2005-10-21 | St Microelectronics Sa | Procede et circuit de correction de l'offset d'une chaine d'amplification |
| US7339760B2 (en) * | 2004-01-30 | 2008-03-04 | Agere Systems Inc. | Integrated bias and offset recovery amplifier |
| US7119977B2 (en) * | 2004-04-17 | 2006-10-10 | Agere Systems Inc. | Reduced recovery time for perpendicular recording systems |
| US20070127149A1 (en) * | 2005-12-02 | 2007-06-07 | Texas Instruments Incorporated | Offset cancellation scheme for perpendicular reader |
| US8144125B2 (en) | 2006-03-30 | 2012-03-27 | Cypress Semiconductor Corporation | Apparatus and method for reducing average scan rate to detect a conductive object on a sensing device |
| US8547114B2 (en) | 2006-11-14 | 2013-10-01 | Cypress Semiconductor Corporation | Capacitance to code converter with sigma-delta modulator |
| US8089288B1 (en) | 2006-11-16 | 2012-01-03 | Cypress Semiconductor Corporation | Charge accumulation capacitance sensor with linear transfer characteristic |
| US8144126B2 (en) | 2007-05-07 | 2012-03-27 | Cypress Semiconductor Corporation | Reducing sleep current in a capacitance sensing system |
| US8436263B2 (en) * | 2007-06-29 | 2013-05-07 | Cypress Semiconductor Corporation | Noise resistant capacitive sensor |
| US8089289B1 (en) | 2007-07-03 | 2012-01-03 | Cypress Semiconductor Corporation | Capacitive field sensor with sigma-delta modulator |
| US8169238B1 (en) * | 2007-07-03 | 2012-05-01 | Cypress Semiconductor Corporation | Capacitance to frequency converter |
| US8570053B1 (en) | 2007-07-03 | 2013-10-29 | Cypress Semiconductor Corporation | Capacitive field sensor with sigma-delta modulator |
| US8525798B2 (en) | 2008-01-28 | 2013-09-03 | Cypress Semiconductor Corporation | Touch sensing |
| US8358142B2 (en) | 2008-02-27 | 2013-01-22 | Cypress Semiconductor Corporation | Methods and circuits for measuring mutual and self capacitance |
| US8319505B1 (en) | 2008-10-24 | 2012-11-27 | Cypress Semiconductor Corporation | Methods and circuits for measuring mutual and self capacitance |
| US9104273B1 (en) | 2008-02-29 | 2015-08-11 | Cypress Semiconductor Corporation | Multi-touch sensing method |
| US8321174B1 (en) | 2008-09-26 | 2012-11-27 | Cypress Semiconductor Corporation | System and method to measure capacitance of capacitive sensor array |
| US8723827B2 (en) | 2009-07-28 | 2014-05-13 | Cypress Semiconductor Corporation | Predictive touch surface scanning |
| US8711502B1 (en) | 2012-10-12 | 2014-04-29 | Lsi Corporation | Preamplifier-to-channel communication in a storage device |
| TWI530090B (zh) * | 2013-10-02 | 2016-04-11 | 聯詠科技股份有限公司 | 放大器電路及其操作方法 |
| WO2015051535A1 (en) | 2013-10-11 | 2015-04-16 | Motorola Solutions, Inc. | Interference detection and mitigation in radio frequency receivers |
| EP3477895B1 (en) * | 2017-10-26 | 2020-05-06 | Melexis Technologies NV | A transceiver unit for transmitting data via a differential bus |
| US10896694B2 (en) * | 2018-10-30 | 2021-01-19 | Marvell Asia Pte, Ltd. | Thermal compensation for laser in heat assisted magnetic recording |
| US11716097B2 (en) | 2021-12-29 | 2023-08-01 | Western Digital Technologies, Inc. | Signal correction using soft information in a data channel |
Family Cites Families (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3697985A (en) * | 1970-09-23 | 1972-10-10 | Bendix Corp | Rear end warning system for automobiles |
| US4185246A (en) | 1978-02-27 | 1980-01-22 | Schlumberger Technology Corporation | Circuit for reducing transients by precharging capacitors |
| JPS572137A (en) | 1980-06-04 | 1982-01-07 | Mitsubishi Electric Corp | Automatic line equalizing device |
| GB2165117B (en) * | 1984-09-29 | 1987-12-31 | Standard Telephones Cables Plc | Optical receiver |
| US4914398A (en) * | 1988-08-01 | 1990-04-03 | International Business Machines Corporation | Method and circuitry to suppress additive disturbances in data channels containing MR sensors |
| US5220220A (en) | 1989-09-20 | 1993-06-15 | Gennum Corporation | Noise suppression system |
| US5270875A (en) * | 1990-11-13 | 1993-12-14 | Colorado Memory Systems, Inc. | Programmable filter/equalizer for duel speed and density magnetic recording devices |
| JPH05166111A (ja) | 1991-12-16 | 1993-07-02 | Nec Ibaraki Ltd | 磁気ディスク装置 |
| US5309112A (en) | 1992-07-16 | 1994-05-03 | Motorola, Inc. | Switched-capacitor circuit power down technique |
| US5373294A (en) | 1993-07-12 | 1994-12-13 | Nec Electronics, Inc. | Current switch for a high speed DAC |
| DE69428678T2 (de) | 1993-10-06 | 2002-07-11 | Koninklijke Philips Electronics N.V., Eindhoven | Vorrichtung zum auslesen von informationen von einer spur eines aufzeichnungsträgers |
| KR950704695A (ko) | 1993-10-06 | 1995-11-20 | 프레데릭 얀 스미트 | 자기 기록 캐리어로부터 정보 신호를 판독하는 장치(Arrangement for reading information from a track on a record carrier comprising a fast settling read amplifier for magneto-resistive heads) |
| US5648738A (en) * | 1994-11-01 | 1997-07-15 | Cirrus Logic, Inc. | Read channel having auto-zeroing and offset compensation, and power-down between servo fields |
| US6172548B1 (en) | 1994-12-30 | 2001-01-09 | Stmicroelectronics, Inc. | Input stage with reduced transient time for use in multiplexing transducers that require a switched DC bias |
| JPH0944810A (ja) * | 1995-07-24 | 1997-02-14 | Mitsubishi Electric Corp | Ｍｒヘッド用信号再生回路 |
| WO1997015115A1 (en) | 1995-10-20 | 1997-04-24 | Philips Electronics N.V. | Differential switched capacitor filtering |
| JPH09148886A (ja) | 1995-11-27 | 1997-06-06 | Fujitsu Ten Ltd | 信号処理回路 |
| JP3458567B2 (ja) * | 1995-11-28 | 2003-10-20 | 三菱電機株式会社 | Ｍｒヘッド用増幅器 |
| US5933038A (en) | 1997-02-25 | 1999-08-03 | Sun Microsystems, Inc. | Flip-flop with logic function incorporated therein with minimal time penalty |
| US5841310A (en) | 1997-04-08 | 1998-11-24 | Burr-Brown Corporation | Current-to-voltage integrator for analog-to-digital converter, and method |
| US5943290A (en) | 1998-06-12 | 1999-08-24 | Oak Technology, Inc. | Apparatus for providing a quiet time before analog signal sampling in a mixed signal integrated circuit employing synchronous and asynchronous clocking |
| US6147523A (en) * | 1998-06-22 | 2000-11-14 | National Semiconductor Corporation | Overshoot control and damping circuit for high speed drivers |
| US6091616A (en) * | 1998-10-21 | 2000-07-18 | Lucent Technologies Inc. | Drive compensation circuit for synchronous rectifier and method of operating the same |
| US6252459B1 (en) * | 1999-03-30 | 2001-06-26 | Siemens Microelectronics, Inc. | System and method for a dual bandwidth capacitor multiplying filter |
-
1999
- 1999-09-28 US US09/407,776 patent/US6404578B1/en not_active Expired - Fee Related
- 1999-12-22 US US09/469,873 patent/US6400217B1/en not_active Expired - Fee Related
-
2000
- 2000-09-21 KR KR1020017006556A patent/KR20010080576A/ko not_active Withdrawn
- 2000-09-25 JP JP2001527273A patent/JP2003510747A/ja not_active Withdrawn
- 2000-09-25 KR KR1020017006593A patent/KR20010080588A/ko not_active Withdrawn
- 2000-09-25 DE DE60016374T patent/DE60016374T2/de not_active Expired - Lifetime
- 2000-09-25 EP EP00967792A patent/EP1135769B1/en not_active Revoked
- 2000-09-25 WO PCT/EP2000/009400 patent/WO2001024168A1/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| US6404578B1 (en) | 2002-06-11 |
| KR20010080588A (ko) | 2001-08-22 |
| KR20010080576A (ko) | 2001-08-22 |
| DE60016374D1 (de) | 2005-01-05 |
| EP1135769B1 (en) | 2004-12-01 |
| DE60016374T2 (de) | 2005-12-01 |
| WO2001024168A1 (en) | 2001-04-05 |
| US6400217B1 (en) | 2002-06-04 |
| EP1135769A1 (en) | 2001-09-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20070921 |
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| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20070921 |
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| A761 | Written withdrawal of application |
Free format text: JAPANESE INTERMEDIATE CODE: A761 Effective date: 20080626 |