ATE473550T1 - Verfahren und schaltung zur verstärkungsregelung - Google Patents

Verfahren und schaltung zur verstärkungsregelung

Info

Publication number
ATE473550T1
ATE473550T1 AT04729098T AT04729098T ATE473550T1 AT E473550 T1 ATE473550 T1 AT E473550T1 AT 04729098 T AT04729098 T AT 04729098T AT 04729098 T AT04729098 T AT 04729098T AT E473550 T1 ATE473550 T1 AT E473550T1
Authority
AT
Austria
Prior art keywords
gain
digital
values
circuit
value
Prior art date
Application number
AT04729098T
Other languages
English (en)
Inventor
Stefan Langenbach
Nebojsa Stojanovic
Original Assignee
Coreoptics Inc
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 Coreoptics Inc filed Critical Coreoptics Inc
Application granted granted Critical
Publication of ATE473550T1 publication Critical patent/ATE473550T1/de

Links

Classifications

    • 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
    • H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
    • H03G3/3078—Circuits generating control signals for digitally modulated signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/001—Digital control of analog signals
    • 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
    • H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
    • 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
    • H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
    • H03G3/3068—Circuits generating control signals for both R.F. and I.F. stages
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/18—Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging
    • H03M1/181—Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging in feedback mode, i.e. by determining the range to be selected from one or more previous digital output values
    • H03M1/183—Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging in feedback mode, i.e. by determining the range to be selected from one or more previous digital output values the feedback signal controlling the gain of an amplifier or attenuator preceding the analogue/digital converter
    • H03M1/185—Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging in feedback mode, i.e. by determining the range to be selected from one or more previous digital output values the feedback signal controlling the gain of an amplifier or attenuator preceding the analogue/digital converter the determination of the range being based on more than one digital output value, e.g. on a running average, a power estimation or the rate of change

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Analogue/Digital Conversion (AREA)
  • Circuits Of Receivers In General (AREA)
AT04729098T 2003-04-28 2004-04-23 Verfahren und schaltung zur verstärkungsregelung ATE473550T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP03009564A EP1473831A1 (de) 2003-04-28 2003-04-28 Verfahren und Schaltung zur Verstärkungsregelung
PCT/EP2004/004337 WO2004098051A1 (en) 2003-04-28 2004-04-23 Method and circuit for controlling amplification

Publications (1)

Publication Number Publication Date
ATE473550T1 true ATE473550T1 (de) 2010-07-15

Family

ID=32981763

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04729098T ATE473550T1 (de) 2003-04-28 2004-04-23 Verfahren und schaltung zur verstärkungsregelung

Country Status (6)

Country Link
US (1) US7319363B2 (de)
EP (2) EP1473831A1 (de)
JP (1) JP4614940B2 (de)
AT (1) ATE473550T1 (de)
DE (1) DE602004028021D1 (de)
WO (1) WO2004098051A1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1494413A1 (de) 2003-07-02 2005-01-05 CoreOptics, Inc., c/o The Corporation Trust Center Kanal- und Folgeschätzung zum Empfang optischer Signale
US7496162B2 (en) 2004-11-30 2009-02-24 Stmicroelectronics, Inc. Communication system with statistical control of gain
JP4584062B2 (ja) * 2005-07-21 2010-11-17 セイコーインスツル株式会社 携帯型電子機器
EP1956744A1 (de) 2007-02-12 2008-08-13 CoreOptics, Inc., c/o The Corporation Trust Center Ausläuferextrapolator und Verfahren
US7880542B1 (en) 2007-10-03 2011-02-01 Analog Devices, Inc. Incremental gain amplifier
JP5001781B2 (ja) * 2007-10-16 2012-08-15 日立アロカメディカル株式会社 超音波診断装置のゲイン調整方法および装置
JP5088131B2 (ja) * 2007-12-28 2012-12-05 富士通株式会社 電力制御回路及び電力制御方法
US8451949B2 (en) * 2008-10-07 2013-05-28 Realtek Semiconductor Corp. Clock-data recovery and method for binary signaling using low resolution ADC
US8391349B1 (en) * 2009-11-12 2013-03-05 Applied Micro Circuits Corporation Equalizer with automatic gain control (AGC)
KR101502079B1 (ko) * 2011-07-05 2015-03-13 삼성탈레스 주식회사 오버샘플링을 이용한 자동이득 제어장치 및 이를 이용한 자동이득 제어방법
GB2498938A (en) * 2012-01-31 2013-08-07 Texas Instruments Ltd Automatic gain control in a data receiver
CN107947811B (zh) * 2017-12-21 2023-09-08 上海迦美信芯通讯技术有限公司 一种增益调节控制方法及装置
CN113015233B (zh) * 2021-05-25 2021-08-10 杭州优智联科技有限公司 一种自动增益控制方法、装置、设备及计算机存储介质
CN114204949B (zh) * 2021-11-30 2024-01-30 西南电子技术研究所（中国电子科技集团公司第十研究所） 大动态快速数字agc控制方法

Family Cites Families (17)

* 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
JPS59144218A (ja) * 1983-02-08 1984-08-18 Nippon Telegr & Teleph Corp <Ntt> 多値識別器
JPS6272227A (ja) * 1985-09-26 1987-04-02 Fujitsu Ltd 自動利得制御回路
JPH0463005A (ja) * 1990-07-02 1992-02-28 Canon Inc 自動ゲイン制御装置
JPH07263986A (ja) * 1994-03-22 1995-10-13 Fujitsu Ten Ltd 自動利得制御装置
US5680075A (en) * 1995-05-31 1997-10-21 Casio Phonemate, Inc. Digital automatic gain control
JP3211644B2 (ja) * 1995-11-08 2001-09-25 松下電器産業株式会社 自動利得制御回路
JP3120737B2 (ja) * 1996-08-23 2000-12-25 日本電気株式会社 自動利得制御回路
US6038435A (en) * 1997-12-24 2000-03-14 Nortel Networks Corporation Variable step-size AGC
JP3329264B2 (ja) * 1998-04-06 2002-09-30 日本電気株式会社 Ａｇｃ回路
US6417730B1 (en) * 2000-11-29 2002-07-09 Harris Corporation Automatic gain control system and related method
US6870891B2 (en) * 2000-12-21 2005-03-22 Intel Corporation Low latency for start of initial automatic gain control for data in digital signal processing
JP2002290176A (ja) * 2001-03-28 2002-10-04 Canon Inc 利得制御装置、無線通信装置、利得制御方法及び記憶媒体
US6657488B1 (en) * 2001-07-03 2003-12-02 Silicon Laboratories, Inc. Offset correction and slicing level adjustment for amplifier circuits
JP2003115774A (ja) * 2001-10-05 2003-04-18 Hitachi Ltd 信号レベル制御を有する無線通信装置
US6753727B2 (en) * 2002-06-13 2004-06-22 Skyworks Solutions, Inc. Sequential DC offset correction for amplifier chain
JP2004153718A (ja) * 2002-10-31 2004-05-27 Samsung Yokohama Research Institute Co Ltd Ａｇｃ制御回路及びａｇｃ増幅器制御方法

Also Published As

Publication number Publication date
US20070109053A1 (en) 2007-05-17
JP4614940B2 (ja) 2011-01-19
EP1654802A1 (de) 2006-05-10
DE602004028021D1 (de) 2010-08-19
JP2006524939A (ja) 2006-11-02
EP1654802B1 (de) 2010-07-07
EP1473831A1 (de) 2004-11-03
US7319363B2 (en) 2008-01-15
WO2004098051A1 (en) 2004-11-11

Similar Documents

Publication Publication Date Title
ATE473550T1 (de) Verfahren und schaltung zur verstärkungsregelung
EP1753130B1 (de) Analog/Digital - Wandler mit dynamischer Bereichserweiterung
EA014210B1 (ru) Устройство автоматической регулировки усиления, система, включающая в себя такое устройство, и способ автоматической регулировки усиления
KR102260034B1 (ko) 적응 경로를 갖는 다중-경로 아날로그 프론트 엔드
ATE548725T1 (de) Aktive rauschsteueranordnung, aktiver rauschsteuerungskopfhörer und kalibrierungsverfahren
ATE501617T1 (de) System und verfahren zur leistungssteuerung und fernfunkeinheit
KR20130069141A (ko) 디지털 코드에 따라 지수적으로 제어되는 가변 이득과 차단주파수를 특성을 갖는 필터 및 증폭기
TW200740136A (en) Filter coefficient setting device, filter coefficient setting method, and program
JP2005167380A (ja) 音声信号処理装置及び音声信号処理方法
KR970019506A (ko) 충분한 임피던스 매칭 특성 및 선형 agc 특성을 동시에 만족시키는 agc 장치
KR20160121973A (ko) 램프 바이어스 샘플링 기능을 가지는 램프 신호 발생 장치 및 그를 이용한 씨모스 이미지 센서
JP2006311361A (ja) 減衰器、それを用いた可変利得増幅器ならびに電子機器
US9154100B2 (en) Equalizer
MXPA05009749A (es) Mecanismo de control de ganancia automatico mejorado, para transmisiones de datos divididas en intervalos de tiempo.
DE602006019184D1 (de) Programmierbare Schaltung für die digitale Verstärkung und dazugehöriges Verfahren
GB2575397A (en) Fully-differential current digital-to-analog converter
US6720902B2 (en) High dynamic range digital converter
ATE435527T1 (de) Einstellung des filters eines zeitkontinuerlichen sigma-delta wandlers
JP2000269761A (ja) Δς変調を用いるスイッチング増幅器
MY137681A (en) Volume adjuster
US20090066419A1 (en) Variable gain amplifier circuits
CA2306227A1 (en) Distributed gain line driver amplifier
SE0100528L (sv) Automatisk förstärkningsreglering
WO2019083267A3 (ko) 센서의 신호를 읽어 출력하는 반도체 장치
US9509268B2 (en) Signal amplifying system, AC signal generating circuit, amplifying gain acquiring method, and AC signal generating method

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties