FR2745666B1 - Circuit de reglage de gain automatique utilisant un condensateur pour reduire le couplage de bruit numerique - Google Patents

Circuit de reglage de gain automatique utilisant un condensateur pour reduire le couplage de bruit numerique

Info

Publication number
FR2745666B1
FR2745666B1 FR9602783A FR9602783A FR2745666B1 FR 2745666 B1 FR2745666 B1 FR 2745666B1 FR 9602783 A FR9602783 A FR 9602783A FR 9602783 A FR9602783 A FR 9602783A FR 2745666 B1 FR2745666 B1 FR 2745666B1
Authority
FR
France
Prior art keywords
capacitor
adjustment circuit
automatic gain
gain adjustment
digital noise
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
Application number
FR9602783A
Other languages
English (en)
Other versions
FR2745666A1 (fr
Inventor
Solomon Ng
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.)
STMicroelectronics Pte Ltd
Original Assignee
SGS Thomson Microelectronics Pte Ltd
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 SGS Thomson Microelectronics Pte Ltd filed Critical SGS Thomson Microelectronics Pte Ltd
Priority to FR9602783A priority Critical patent/FR2745666B1/fr
Priority to US08/807,011 priority patent/US6208209B1/en
Publication of FR2745666A1 publication Critical patent/FR2745666A1/fr
Application granted granted Critical
Publication of FR2745666B1 publication Critical patent/FR2745666B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/04—Modifications of control circuit to reduce distortion caused by control
FR9602783A 1996-02-29 1996-02-29 Circuit de reglage de gain automatique utilisant un condensateur pour reduire le couplage de bruit numerique Expired - Fee Related FR2745666B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR9602783A FR2745666B1 (fr) 1996-02-29 1996-02-29 Circuit de reglage de gain automatique utilisant un condensateur pour reduire le couplage de bruit numerique
US08/807,011 US6208209B1 (en) 1996-02-29 1997-02-26 Automatic gain control circuit using a capacitor for minimizing digital coupling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9602783A FR2745666B1 (fr) 1996-02-29 1996-02-29 Circuit de reglage de gain automatique utilisant un condensateur pour reduire le couplage de bruit numerique

Publications (2)

Publication Number Publication Date
FR2745666A1 FR2745666A1 (fr) 1997-09-05
FR2745666B1 true FR2745666B1 (fr) 1998-05-22

Family

ID=9489894

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9602783A Expired - Fee Related FR2745666B1 (fr) 1996-02-29 1996-02-29 Circuit de reglage de gain automatique utilisant un condensateur pour reduire le couplage de bruit numerique

Country Status (2)

Country Link
US (1) US6208209B1 (fr)
FR (1) FR2745666B1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6469577B2 (en) * 2000-04-14 2002-10-22 Sanyo Electric Co., Ltd. Automatic level controlling circuit
JP2002043876A (ja) * 2000-07-24 2002-02-08 Matsushita Electric Ind Co Ltd Ａｇｃ回路
US6853510B2 (en) * 2000-10-05 2005-02-08 Texas Instruments Incorporated High-speed low-capacitive load common mode feedback
US6407630B1 (en) * 2001-01-04 2002-06-18 Silicon Integrated Systems Corporation DC offset cancelling circuit applied in a variable gain amplifier
US6724550B2 (en) * 2001-01-23 2004-04-20 Seagate Technology Llc Adaptive dampening of thermal asperity events in disc drives
US6525611B1 (en) * 2001-08-01 2003-02-25 Rf Micro Devices, Inc. Power amplifier protection
EP1298795A3 (fr) * 2001-09-27 2004-05-06 Kabushiki Kaisha Toshiba Amplificateur à gain variable
US6762647B1 (en) * 2002-08-09 2004-07-13 Triquint Semiconductor, Inc. Active protection circuit for load mismatched power amplifier
CN101494440B (zh) * 2008-01-21 2013-09-11 立锜科技股份有限公司 改善1.5位∑-△调变d类放大器的反馈线性度的装置及方法
CN101557205B (zh) * 2009-05-26 2011-04-06 中国科学院微电子研究所 一种混合模式agc环路
CN108141185B (zh) 2015-10-05 2021-08-03 瑞典爱立信有限公司 包括限幅的放大装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4145665A (en) * 1978-02-27 1979-03-20 Gte Automatic Electric Laboratories, Inc. Regulating amplifier
US4318053A (en) 1979-11-21 1982-03-02 Hartley D. Peavey Amplifier system with automatic distortion control
US4371842A (en) * 1980-10-24 1983-02-01 Sperry Corporation Self-adjusting dual mode automatic gain control circuit
US4451797A (en) 1982-02-26 1984-05-29 Amf Inc. AGC Controller for pulsed system
JPS6072003A (ja) * 1983-09-28 1985-04-24 Hitachi Ltd 制御用マイクロコンピユ−タ
JP2710503B2 (ja) * 1991-10-14 1998-02-10 日本電気株式会社 出力電力制御回路
EP0620639B1 (fr) 1993-04-06 1999-02-10 STMicroelectronics S.r.l. Amplificateur à gain variable pour systèmes à tension d'alimentation basse
EP0632583B1 (fr) 1993-06-30 1997-09-03 STMicroelectronics S.r.l. Amplificateur à gain réglable
JPH07321706A (ja) * 1994-05-20 1995-12-08 Fujitsu General Ltd Ａｇｃ回路
US5422602A (en) 1994-06-20 1995-06-06 Aphex Systems, Ltd. Frequency discriminate leveler

Also Published As

Publication number Publication date
FR2745666A1 (fr) 1997-09-05
US6208209B1 (en) 2001-03-27

Similar Documents

Publication Publication Date Title
FR2745666B1 (fr) Circuit de reglage de gain automatique utilisant un condensateur pour reduire le couplage de bruit numerique
EP0454996A3 (en) Signal dynamic increase for a multi-function digital ccd camera
FR2665036B1 (fr) Circuit pour retarder un signal.
AU4013195A (en) Agc circuit for a digital receiver
MX9200188A (es) Compensacion de intermodulacion en un receptor.
EP0449199A3 (en) Noise reducing circuit
FR2508261B1 (fr) Circuit de reduction de bruit pour signaux video
DE69110103D1 (de) Digitaler Funkempfänger.
GB9211871D0 (en) Noise eliminating circuit for a television receiver
FR2661584B3 (fr) Agencement pour reduire les bruits dans un signal video.
FI961887A (fi) Menetelmä suoramuunnosvastaanottimen toteuttamiseksi 6-porttipiirillä
DE69120542D1 (de) Rauschunterdrückung telefonhörer
FR2544147B1 (fr) Circuit de reduction de bruit pour un signal video
DE69110225T2 (de) Rauschunterdrückungsschaltung eines FM-Empfängers.
AU1031292A (en) Circuit for suppressing white noise in received voice
EP0485291A3 (en) Level conversion circuit
GB2255873B (en) Noise reduction circuit
EP0446470A3 (en) Noise reducing circuit
FR2745665B1 (fr) Circuit de reglage de gain automatique utilisant un amplificateur pour reduire le couplage de bruit numerique
GB9018164D0 (en) Circuit for adding r.f.signals
EP0595663A3 (fr) Réduction de bruit de signaux vidéo.
FR2544146B1 (fr) Circuit de reduction de bruit pour un signal video couleur
EP0633658A3 (fr) Circuit de commande automatique de gain couplé à la transmission et activé par la parole.
FR2690591B1 (fr) Récepteur pour signaux de télévision boîte aux lettres.
FR2658021B1 (fr) Installation sonore pour televiseur.

Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20071030