DE69620272T2 - Datenverabeitungsgerät und -verfahren - Google Patents
Datenverabeitungsgerät und -verfahrenInfo
- Publication number
- DE69620272T2 DE69620272T2 DE69620272T DE69620272T DE69620272T2 DE 69620272 T2 DE69620272 T2 DE 69620272T2 DE 69620272 T DE69620272 T DE 69620272T DE 69620272 T DE69620272 T DE 69620272T DE 69620272 T2 DE69620272 T2 DE 69620272T2
- Authority
- DE
- Germany
- Prior art keywords
- signal
- gain control
- output
- gain
- data
- 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 - Lifetime
Links
- 238000000034 method Methods 0.000 title claims description 18
- 238000012545 processing Methods 0.000 title description 3
- 230000004044 response Effects 0.000 claims description 19
- 230000003321 amplification Effects 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 3
- 230000007704 transition Effects 0.000 abstract description 6
- 239000003990 capacitor Substances 0.000 description 17
- 230000003044 adaptive effect Effects 0.000 description 9
- 238000001514 detection method Methods 0.000 description 5
- 230000003595 spectral effect Effects 0.000 description 5
- 238000007476 Maximum Likelihood Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 4
- 238000013500 data storage Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000001934 delay Effects 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 101100317039 Aedes aegypti VGA1 gene Proteins 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000013144 data compression Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011143 downstream manufacturing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- BWBONKHPVHMQHE-UHFFFAOYSA-N tiocarlide Chemical compound C1=CC(OCCC(C)C)=CC=C1NC(=S)NC1=CC=C(OCCC(C)C)C=C1 BWBONKHPVHMQHE-UHFFFAOYSA-N 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/02—Control of operating function, e.g. switching from recording to reproducing
- G11B15/05—Control of operating function, e.g. switching from recording to reproducing by sensing features present on or derived from record carrier or container
- G11B15/087—Control of operating function, e.g. switching from recording to reproducing by sensing features present on or derived from record carrier or container by sensing recorded signals
-
- 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
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
-
- 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
- G11B2020/1087—Digital recording or reproducing wherein a selection is made among at least two alternative ways of processing
- G11B2020/10888—Digital recording or reproducing wherein a selection is made among at least two alternative ways of processing the kind of data being the selection criterion
-
- 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
- G11B5/008—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires
- G11B5/00813—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Control Of Amplification And Gain Control (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP96306941A EP0831480B1 (en) | 1996-09-24 | 1996-09-24 | Data processing apparatus and methods |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69620272D1 DE69620272D1 (de) | 2002-05-02 |
| DE69620272T2 true DE69620272T2 (de) | 2003-07-24 |
Family
ID=8225096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69620272T Expired - Lifetime DE69620272T2 (de) | 1996-09-24 | 1996-09-24 | Datenverabeitungsgerät und -verfahren |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US6169638B1 (enExample) |
| EP (1) | EP0831480B1 (enExample) |
| JP (1) | JP4031559B2 (enExample) |
| DE (1) | DE69620272T2 (enExample) |
Families Citing this family (36)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5976819A (en) * | 1995-11-21 | 1999-11-02 | National Jewish Medical And Research Center | Product and process to regulate actin polymerization in T lymphocytes |
| CA2239675C (en) * | 1998-06-04 | 2007-11-13 | Tet Hin Yeap | Suppression of rfi and impulse noise in communications channels |
| US6493657B1 (en) * | 1999-08-20 | 2002-12-10 | Glp Partnership | Amplitude range matching system |
| DE10085214T1 (de) | 1999-11-22 | 2002-10-31 | Seagate Technology Llc | Verfahren und Vorrichtung für Data-Error-Recovery mit Defekt-Schwellwertdetektor und Viterbi-Verstärkungsfaktor |
| DE60035178D1 (de) | 2000-04-10 | 2007-07-26 | Hewlett Packard Co | Entzerrungspräambelbereich für das "digital data storage" (DDS) Format |
| US7359132B2 (en) | 2000-04-10 | 2008-04-15 | Hewlett-Packard Development Company, L.P. | Equalization preamble region in digital data storage (DDS) format |
| TW481111U (en) * | 2001-03-30 | 2002-03-21 | Alex Machine Ind Co Ltd | Wheel set for bicycle |
| US6766153B2 (en) | 2001-04-02 | 2004-07-20 | Itran Communications Ltd. | Dynamic automatic gain control circuit employing kalman filtering |
| DE10124177A1 (de) | 2001-05-17 | 2002-11-28 | Infineon Technologies Ag | Verfahren zur Rekonstruktion von mit einer Symbolrate getakteten Daten aus einem analogen, verzerrten Signal |
| US20030120484A1 (en) * | 2001-06-12 | 2003-06-26 | David Wong | Method and system for generating colored comfort noise in the absence of silence insertion description packets |
| US6549079B1 (en) | 2001-11-09 | 2003-04-15 | Analog Devices, Inc. | Feedback systems for enhanced oscillator switching time |
| ATE309640T1 (de) | 2002-06-07 | 2005-11-15 | Cit Alcatel | Lvsd-treiber in bipolarer und mos-technologie |
| US6831510B2 (en) * | 2003-02-06 | 2004-12-14 | Fujitsu Limited | Continuous low-frequency error cancellation in a high-speed differential amplifier |
| US8223827B2 (en) * | 2004-05-05 | 2012-07-17 | Agere Systems Inc. | Method and apparatus for generating filter tap weights and biases for signal dependent branch metric computation |
| GB2423218A (en) * | 2005-02-03 | 2006-08-16 | Hewlett Packard Development Co | Data storage system read/write channel optimiser which compares measured metrics of read channel with desired nominal and adjusts channel in response |
| US7030795B1 (en) * | 2005-05-17 | 2006-04-18 | Motorola, Inc. | Digital automatic gain control method and device |
| US7693674B2 (en) * | 2005-05-20 | 2010-04-06 | Omniphase Research Laboratories, Inc. | Low-noise source |
| US7295073B2 (en) * | 2006-01-19 | 2007-11-13 | Mediatek Inc. | Automatic gain control apparatus |
| JPWO2007111035A1 (ja) * | 2006-03-24 | 2009-08-06 | 日本電気株式会社 | データ受信装置及び該データ受信装置を備える半導体集積回路 |
| US7684291B2 (en) | 2006-06-05 | 2010-03-23 | Mediatek Inc. | Method and apparatus for blank detection of an optical disc |
| US7796480B2 (en) | 2006-06-05 | 2010-09-14 | Mediatek Inc. | Apparatus and methods for light spot servo signal detection |
| US7724090B2 (en) | 2006-06-05 | 2010-05-25 | Mediatek Inc. | Loop control apparatus and method thereof |
| TWI332752B (en) * | 2006-06-05 | 2010-11-01 | Mediatek Inc | Method and apparatus for loop control |
| US7417500B2 (en) * | 2006-06-19 | 2008-08-26 | Tzero Technologies, Inc. | Control of an adjustable gain amplifier |
| WO2008147506A1 (en) * | 2007-05-22 | 2008-12-04 | Powerwave Technologies, Inc. | On frequency repeater with agc stability determination |
| US7872824B1 (en) | 2007-06-11 | 2011-01-18 | Western Digital (Fremont), Llc | Setting an operating bias current for a magnetoresistive head by computing a target operating voltage |
| KR100968807B1 (ko) * | 2007-11-26 | 2010-07-08 | 한국전자통신연구원 | 가변이득증폭기 및 이를 포함하는 수신기 |
| US7760458B1 (en) * | 2008-08-12 | 2010-07-20 | Western Digital Technologies, Inc. | Disk drive adjusting head bias during servo synchronization to compensate for over/under sensitivity |
| JP2010108560A (ja) * | 2008-10-31 | 2010-05-13 | Toshiba Storage Device Corp | 信号増幅装置、記憶装置 |
| KR101544859B1 (ko) * | 2009-03-23 | 2015-08-17 | 삼성전자주식회사 | 자동 이득 제어기 및 이를 포함하는 통신 단말기 |
| JP2010251885A (ja) * | 2009-04-13 | 2010-11-04 | Panasonic Corp | Ａｇｃ回路 |
| CN108063601B (zh) * | 2017-12-29 | 2021-08-27 | 上海艾为电子技术股份有限公司 | 一种自动增益控制电路及信号处理系统 |
| KR20210133799A (ko) * | 2020-04-29 | 2021-11-08 | 삼성전자주식회사 | 클럭 및 데이터 복구 장치를 포함하는 데이터 송수신 시스템 및 이의 동작방법 |
| US11063793B1 (en) * | 2020-05-18 | 2021-07-13 | Texas Instruments Incorporated | Serial receiver equalization circuit |
| US11153129B1 (en) * | 2020-06-01 | 2021-10-19 | International Business Machines Corporation | Feedforward equalizer with programmable roaming taps |
| EP4216432A4 (en) * | 2020-09-16 | 2024-03-27 | Sony Semiconductor Solutions Corporation | SIGNAL PROCESSING DEVICE, SIGNAL PROCESSING METHOD AND RECEIVER |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3660821A (en) * | 1970-06-17 | 1972-05-02 | Burroughs Corp | Disc file agc circuit |
| US3879674A (en) * | 1973-12-27 | 1975-04-22 | Burroughs Corp | Automatic gain control circuit |
| EP0063935A1 (en) * | 1981-04-24 | 1982-11-03 | Iomega Corporation | Method and apparatus for disk drive head positioning |
| FR2576472B1 (fr) * | 1985-01-22 | 1988-02-12 | Alcatel Thomson Faisceaux | Procede et dispositif de commande automatique de gain d'un recepteur en acces multiple a repartition temporelle |
| JPH0691481B2 (ja) * | 1987-08-18 | 1994-11-14 | 日本電気株式会社 | Ａｇｃ回路 |
| US4849711A (en) * | 1987-09-04 | 1989-07-18 | Digital Equipment Corporation | Automatic gain control system |
| US4870370A (en) * | 1988-02-19 | 1989-09-26 | Silicon Systems, Inc. | Method and apparatus for two stage automatic gain control |
| JP2672699B2 (ja) * | 1990-08-28 | 1997-11-05 | 株式会社東芝 | 磁気ディスク装置におけるａｇｃ制御装置 |
| US5463603A (en) * | 1992-03-18 | 1995-10-31 | Imp, Inc. | Computer disk drive integrated data path circuit optimized for handling both data and servo signals |
| JPH06244660A (ja) * | 1993-02-19 | 1994-09-02 | Toshiba Corp | 自動利得制御回路 |
| US5467231A (en) * | 1993-02-26 | 1995-11-14 | Hewlett-Packard Company | Using recorded data for auto calibration of fixed gain of a read amplifier in a data storage device |
-
1996
- 1996-09-24 EP EP96306941A patent/EP0831480B1/en not_active Expired - Lifetime
- 1996-09-24 DE DE69620272T patent/DE69620272T2/de not_active Expired - Lifetime
-
1997
- 1997-09-22 JP JP25640297A patent/JP4031559B2/ja not_active Expired - Fee Related
- 1997-09-22 US US08/934,762 patent/US6169638B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0831480A1 (en) | 1998-03-25 |
| DE69620272D1 (de) | 2002-05-02 |
| JPH10112622A (ja) | 1998-04-28 |
| EP0831480B1 (en) | 2001-08-08 |
| US6169638B1 (en) | 2001-01-02 |
| JP4031559B2 (ja) | 2008-01-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8370 | Indication related to discontinuation of the patent is to be deleted | ||
| 8332 | No legal effect for de | ||
| 8370 | Indication related to discontinuation of the patent is to be deleted | ||
| 8364 | No opposition during term of opposition | ||
| 8328 | Change in the person/name/address of the agent |
Representative=s name: ZEITLER, VOLPERT, KANDLBINDER, 80539 MUENCHEN |
|
| 8327 | Change in the person/name/address of the patent owner |
Owner name: HEWLETT-PACKARD DEVELOPMENT CO., L.P., HOUSTON, TE |