CN101911480B - 自动增益控制电路及方法 - Google Patents

自动增益控制电路及方法 Download PDF

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Publication number
CN101911480B
CN101911480B CN2008801249442A CN200880124944A CN101911480B CN 101911480 B CN101911480 B CN 101911480B CN 2008801249442 A CN2008801249442 A CN 2008801249442A CN 200880124944 A CN200880124944 A CN 200880124944A CN 101911480 B CN101911480 B CN 101911480B
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China
Prior art keywords
gain
signal
frequency
controller
carry out
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CN2008801249442A
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Chinese (zh)
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CN101911480A (zh
Inventor
马克·A·舒尔茨
罗德·A·迪莫
罗伯特·A·罗德斯
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Thomson Licensing SAS
International Digital Madison Patent Holding SAS
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THOMSON LICENSING CORP
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    • 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
    • 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

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  • Circuits Of Receivers In General (AREA)
  • Control Of Amplification And Gain Control (AREA)
CN2008801249442A 2008-01-16 2008-01-16 自动增益控制电路及方法 Active CN101911480B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2008/000552 WO2009091364A1 (en) 2008-01-16 2008-01-16 Automatic gain control with state machine controller feedback

Publications (2)

Publication Number Publication Date
CN101911480A CN101911480A (zh) 2010-12-08
CN101911480B true CN101911480B (zh) 2013-12-11

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ID=39737092

Family Applications (1)

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CN2008801249442A Active CN101911480B (zh) 2008-01-16 2008-01-16 自动增益控制电路及方法

Country Status (7)

Country Link
US (1) US8457573B2 (enExample)
EP (1) EP2229727B1 (enExample)
JP (1) JP2011510558A (enExample)
KR (1) KR101401207B1 (enExample)
CN (1) CN101911480B (enExample)
BR (1) BRPI0821882B1 (enExample)
WO (1) WO2009091364A1 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8837637B2 (en) * 2010-08-09 2014-09-16 Mediatek Inc. Method for dynamically adjusting one or more RF parameters and communications apparatus utilizing the same
CN104144307B (zh) * 2013-05-10 2018-02-27 硅实验室股份有限公司 具有自动增益控制冻结能力的接收器
KR101472220B1 (ko) * 2013-10-18 2014-12-11 지씨티 세미컨덕터 인코포레이티드 수신기에서 자동 이득을 조정하는 방법 및 수신기의 자동 이득 조정 장치
US10299228B1 (en) * 2016-09-27 2019-05-21 Sprint Communications Company L.P. Wireless radio frequency system to dynamically modify automatic gain control thresholds
EP3477858B1 (en) * 2017-10-26 2022-10-05 Nxp B.V. Automatic gain controller

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1423486A (zh) * 2002-12-23 2003-06-11 乐金电子（沈阳）有限公司 数字电视接收机的自动增益控制装置及其方法
CN1510909A (zh) * 2002-12-23 2004-07-07 乐金电子（沈阳）有限公司 数字电视接收机的自动增益控制装置
US20050100119A1 (en) * 2003-11-07 2005-05-12 Atheros Communications, Inc. Adaptive interference immunity control
CN1762115A (zh) * 2003-02-21 2006-04-19 阿特罗斯通信公司 一种选择性丢弃介质上同信道传送的方法和装置

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08293748A (ja) 1995-04-20 1996-11-05 Fujitsu Ltd 自動利得制御装置及び移動端末機及び自動利得制御方法
US6167246A (en) * 1997-05-09 2000-12-26 Micrel Incorporated Fully integrated all-CMOS AM receiver
WO1998056108A2 (en) * 1997-06-03 1998-12-10 Koninklijke Philips Electronics N.V. Automatic gain control circuit, e.g. for use in a hard disk drive
JP3304886B2 (ja) * 1998-06-29 2002-07-22 日本電気株式会社 自動利得制御方法、その装置および通信用受信装置
JP2000269759A (ja) * 1999-03-18 2000-09-29 Matsushita Electric Ind Co Ltd 自動利得制御回路およびその回路を備えた受信装置、受信装置における自動利得制御方法、並びに、記録媒体
US6965655B1 (en) 2000-06-20 2005-11-15 Texas Instruments Incorporated Apparatus for and method of optimizing the performance of a radio frequency receiver in the presence of interference
US6748200B1 (en) * 2000-10-02 2004-06-08 Mark A. Webster Automatic gain control system and method for a ZIF architecture
US6904273B2 (en) 2001-01-10 2005-06-07 Hughes Electronics Corporation Method and system for automatic gain control in a satellite communications system
JP3636145B2 (ja) * 2001-06-15 2005-04-06 ソニー株式会社 復調タイミング生成回路および復調装置
JP3599001B2 (ja) 2001-06-25 2004-12-08 ソニー株式会社 自動利得制御回路およびその方法、並びにそれらを用いた復調装置
JP2003092561A (ja) * 2001-09-18 2003-03-28 Sony Corp 受信装置及び受信方法
FR2830390A1 (fr) 2001-10-03 2003-04-04 Canon Kk Procede et dispositif de reception optimisee
US7580482B2 (en) * 2003-02-19 2009-08-25 Endres Thomas J Joint, adaptive control of equalization, synchronization, and gain in a digital communications receiver
EP1780915B1 (en) 2003-02-21 2009-04-15 Atheros Comunications Inc. Method and apparatus for selective disregard of co-channel transmissions on a medium
JP2005020120A (ja) * 2003-06-24 2005-01-20 Renesas Technology Corp 通信用半導体集積回路および無線通信システム
CN100581052C (zh) * 2004-08-13 2010-01-13 深圳赛意法微电子有限公司 具有自适应的爬升和衰减时间的自动增益控制系统
US7729315B2 (en) 2006-06-23 2010-06-01 Telefonaktiebolaget L M Ericsson (Publ) System and method of performing cell measurements in a telecommunications system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1423486A (zh) * 2002-12-23 2003-06-11 乐金电子（沈阳）有限公司 数字电视接收机的自动增益控制装置及其方法
CN1510909A (zh) * 2002-12-23 2004-07-07 乐金电子（沈阳）有限公司 数字电视接收机的自动增益控制装置
CN1762115A (zh) * 2003-02-21 2006-04-19 阿特罗斯通信公司 一种选择性丢弃介质上同信道传送的方法和装置
US20050100119A1 (en) * 2003-11-07 2005-05-12 Atheros Communications, Inc. Adaptive interference immunity control

Also Published As

Publication number Publication date
KR20100114073A (ko) 2010-10-22
US20110053543A1 (en) 2011-03-03
WO2009091364A1 (en) 2009-07-23
US8457573B2 (en) 2013-06-04
EP2229727B1 (en) 2012-12-19
BRPI0821882A2 (pt) 2015-06-16
KR101401207B1 (ko) 2014-05-28
BRPI0821882B1 (pt) 2020-04-22
EP2229727A1 (en) 2010-09-22
CN101911480A (zh) 2010-12-08
BRPI0821882A8 (pt) 2018-10-30
JP2011510558A (ja) 2011-03-31

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Effective date of registration: 20190201

Address after: Paris France

Patentee after: International Digital Madison Patent Holding Co.

Address before: I Si Eli Murli Nor, France

Patentee before: THOMSON LICENSING

Effective date of registration: 20190201

Address after: I Si Eli Murli Nor, France

Patentee after: THOMSON LICENSING

Address before: I Si Eli Murli Nor, France

Patentee before: THOMSON LICENSING