JP2000201037A5 - - Google Patents

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Publication number
JP2000201037A5
JP2000201037A5 JP1999284732A JP28473299A JP2000201037A5 JP 2000201037 A5 JP2000201037 A5 JP 2000201037A5 JP 1999284732 A JP1999284732 A JP 1999284732A JP 28473299 A JP28473299 A JP 28473299A JP 2000201037 A5 JP2000201037 A5 JP 2000201037A5
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JP
Japan
Prior art keywords
output
series
current
signal
input
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.)
Granted
Application number
JP1999284732A
Other languages
English (en)
Japanese (ja)
Other versions
JP2000201037A (ja
JP4755743B2 (ja
Filing date
Publication date
Priority claimed from FR9812495A external-priority patent/FR2784820B1/fr
Application filed filed Critical
Publication of JP2000201037A publication Critical patent/JP2000201037A/ja
Publication of JP2000201037A5 publication Critical patent/JP2000201037A5/ja
Application granted granted Critical
Publication of JP4755743B2 publication Critical patent/JP4755743B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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JP28473299A 1998-10-06 1999-10-05 デジタル利得可制御型増幅器及び光ディスク読み取り装置 Expired - Fee Related JP4755743B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9812495 1998-10-06
FR9812495A FR2784820B1 (fr) 1998-10-06 1998-10-06 Dispositif amplificateur a gain commandable numeriquement et appareil lecteur de disques optiques incorporant un tel dispositif

Publications (3)

Publication Number Publication Date
JP2000201037A JP2000201037A (ja) 2000-07-18
JP2000201037A5 true JP2000201037A5 (enExample) 2006-11-24
JP4755743B2 JP4755743B2 (ja) 2011-08-24

Family

ID=9531240

Family Applications (1)

Application Number Title Priority Date Filing Date
JP28473299A Expired - Fee Related JP4755743B2 (ja) 1998-10-06 1999-10-05 デジタル利得可制御型増幅器及び光ディスク読み取り装置

Country Status (6)

Country Link
US (1) US6184752B1 (enExample)
EP (1) EP0993110B1 (enExample)
JP (1) JP4755743B2 (enExample)
CN (1) CN1158651C (enExample)
DE (1) DE69931231T2 (enExample)
FR (1) FR2784820B1 (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6756576B1 (en) * 2000-08-30 2004-06-29 Micron Technology, Inc. Imaging system having redundant pixel groupings
FR2820907A1 (fr) * 2001-02-13 2002-08-16 St Microelectronics Sa Circuit de normalisation a tension d'erreur reduite
JP3857123B2 (ja) * 2001-12-14 2006-12-13 シャープ株式会社 受光アンプ回路及びそれを用いた光ディスク記録再生装置
KR100524949B1 (ko) * 2003-02-27 2005-11-01 삼성전자주식회사 광디스크의 배속에 따라 증폭이득을 제어하는 광신호변환장치 및 그의 증폭이득 제어방법
JP4068590B2 (ja) * 2004-05-06 2008-03-26 株式会社東芝 電流電圧変換回路
JP2006279703A (ja) * 2005-03-30 2006-10-12 Matsushita Electric Ind Co Ltd 可変利得増幅器並びにそれを用いたミキサ及び直交変調器
CN100527609C (zh) * 2005-10-26 2009-08-12 威盛电子股份有限公司 可变增益放大电路及相关方法
JP4883674B2 (ja) * 2006-01-05 2012-02-22 株式会社山武 受光アンプ
US7643573B2 (en) * 2006-03-17 2010-01-05 Cirrus Logic, Inc. Power management in a data acquisition system
JP5924924B2 (ja) 2011-12-15 2016-05-25 キヤノン株式会社 電子回路
JP5812959B2 (ja) * 2011-12-15 2015-11-17 キヤノン株式会社 撮像装置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3940760A (en) * 1975-03-21 1976-02-24 Analog Devices, Inc. Digital-to-analog converter with current source transistors operated accurately at different current densities
US4064506A (en) * 1976-04-08 1977-12-20 Rca Corporation Current mirror amplifiers with programmable current gains
US4250461A (en) * 1979-04-20 1981-02-10 Rca Corporation Current mirror amplifier
US4439673A (en) * 1981-08-27 1984-03-27 Sprague Electric Company Two terminal integrated circuit light-sensor
US4485301A (en) * 1982-02-01 1984-11-27 Sprague Electric Company Linear two-terminal integrated circuit photo sensor
JPS61285808A (ja) * 1985-06-11 1986-12-16 Sharp Corp 電流増幅回路
JPH0348506A (ja) * 1989-04-19 1991-03-01 Nec Corp 電流可変回路
JP2882163B2 (ja) * 1992-02-26 1999-04-12 日本電気株式会社 比較器
JP2988795B2 (ja) * 1992-05-29 1999-12-13 シャープ株式会社 受光増幅装置
US5373253A (en) * 1993-09-20 1994-12-13 International Business Machines Corporation Monolithic current mirror circuit employing voltage feedback for β-independent dynamic range
WO1996007927A2 (en) 1994-09-01 1996-03-14 Philips Electronics N.V. Transconductance amplifier having a digitally variable transconductance as well as a variable gain stage and an automatic gain control circuit comprising such a variable gain stage
FR2733098B1 (fr) * 1995-04-11 1997-07-04 Sgs Thomson Microelectronics Amplificateur de courant
JPH1093436A (ja) * 1996-09-19 1998-04-10 Oki Electric Ind Co Ltd デジタル・アナログ変換回路
DE19644996A1 (de) 1996-10-30 1998-05-07 Thomson Brandt Gmbh Eingangssignalverstärker
US5753903A (en) * 1996-11-05 1998-05-19 Medar, Inc. Method and system for controlling light intensity in a machine vision system

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