DE69735325D1 - Eingangssignalverstärker - Google Patents

Eingangssignalverstärker

Info

Publication number
DE69735325D1
DE69735325D1 DE69735325T DE69735325T DE69735325D1 DE 69735325 D1 DE69735325 D1 DE 69735325D1 DE 69735325 T DE69735325 T DE 69735325T DE 69735325 T DE69735325 T DE 69735325T DE 69735325 D1 DE69735325 D1 DE 69735325D1
Authority
DE
Germany
Prior art keywords
input signal
signal amplifier
amplifier
input
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.)
Expired - Lifetime
Application number
DE69735325T
Other languages
English (en)
Other versions
DE69735325T2 (de
Inventor
Friedhelm Zucker
Reiner Baas
Christian Buechler
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.)
Deutsche Thomson Brandt GmbH
Original Assignee
Deutsche Thomson Brandt GmbH
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 Deutsche Thomson Brandt GmbH filed Critical Deutsche Thomson Brandt GmbH
Priority to DE69735325T priority Critical patent/DE69735325T2/de
Application granted granted Critical
Publication of DE69735325D1 publication Critical patent/DE69735325D1/de
Publication of DE69735325T2 publication Critical patent/DE69735325T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0941—Methods and circuits for servo gain or phase compensation during operation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0088—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using discontinuously variable devices, e.g. switch-operated
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3084—Automatic control in amplifiers having semiconductor devices in receivers or transmitters for electromagnetic waves other than radiowaves, e.g. lightwaves

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Amplifiers (AREA)
DE69735325T 1996-10-30 1997-10-17 Eingangssignalverstärker Expired - Lifetime DE69735325T2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE69735325T DE69735325T2 (de) 1996-10-30 1997-10-17 Eingangssignalverstärker

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19644996A DE19644996A1 (de) 1996-10-30 1996-10-30 Eingangssignalverstärker
DE19644996 1996-10-30
DE69735325T DE69735325T2 (de) 1996-10-30 1997-10-17 Eingangssignalverstärker

Publications (2)

Publication Number Publication Date
DE69735325D1 true DE69735325D1 (de) 2006-04-27
DE69735325T2 DE69735325T2 (de) 2006-11-09

Family

ID=7810346

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19644996A Withdrawn DE19644996A1 (de) 1996-10-30 1996-10-30 Eingangssignalverstärker
DE69735325T Expired - Lifetime DE69735325T2 (de) 1996-10-30 1997-10-17 Eingangssignalverstärker

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19644996A Withdrawn DE19644996A1 (de) 1996-10-30 1996-10-30 Eingangssignalverstärker

Country Status (4)

Country Link
EP (1) EP0840299B1 (de)
JP (1) JPH10145149A (de)
CN (1) CN1118813C (de)
DE (2) DE19644996A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2784820B1 (fr) 1998-10-06 2000-12-08 Thomson Multimedia Sa Dispositif amplificateur a gain commandable numeriquement et appareil lecteur de disques optiques incorporant un tel dispositif
FR2801445A1 (fr) * 1999-11-23 2001-05-25 Koninkl Philips Electronics Nv Dispositif d'amplification a largeur de bande ajustable
DE102004007635B4 (de) * 2004-02-17 2008-01-31 Infineon Technologies Ag Verstärker mit schaltbarer Gegenkopplung
JP2006303668A (ja) * 2005-04-18 2006-11-02 Matsushita Electric Ind Co Ltd 出力インピーダンス可変回路
JP4998020B2 (ja) * 2007-03-07 2012-08-15 日本電気株式会社 出力レベル安定化回路及びそれを用いたｃｍｌ回路
WO2013118441A1 (ja) * 2012-02-06 2013-08-15 パナソニック株式会社 アクティブインダクタを含む増幅回路
CN113805244B (zh) * 2021-08-18 2023-05-16 湖北三江航天万峰科技发展有限公司 一种微型激光探测装置及其控制方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3931584A (en) * 1974-09-12 1976-01-06 Hycom Incorporated Automatic gain control
DE2633296A1 (de) * 1976-07-23 1978-01-26 Siemens Ag Schaltungsanordnung zur kompensation der offsetspannung bei einem als analog-vergleicher betriebenen operationsverstaerker unter beruecksichtigung der temperaturbedingten aenderungen dieser offsetspannung
US4494212A (en) * 1982-03-03 1985-01-15 The Perkin-Elmer Corporation Variable gain amplifier
JP2701406B2 (ja) * 1989-01-09 1998-01-21 ソニー株式会社 光ディスク装置のサーボオートゲインコントロール回路
DE3933657A1 (de) * 1989-10-09 1991-04-11 Thomson Brandt Gmbh Schaltungsanordnung zur digitalen lautstaerkeeinstellung
US5089757A (en) * 1991-03-15 1992-02-18 Maxtor Corporation Synchronous digital detection of position error signal
JPH06232746A (ja) * 1993-02-05 1994-08-19 Sansei Denshi Japan Kk デジタルサーボ回路
JP3761904B2 (ja) * 1993-08-30 2006-03-29 キヤノン株式会社 サーボル−プの自動利得制御回路

Also Published As

Publication number Publication date
EP0840299B1 (de) 2006-03-01
CN1182267A (zh) 1998-05-20
DE19644996A1 (de) 1998-05-07
CN1118813C (zh) 2003-08-20
DE69735325T2 (de) 2006-11-09
JPH10145149A (ja) 1998-05-29
EP0840299A1 (de) 1998-05-06

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition