KR100424245B1 - 자동이득제어시스템 - Google Patents

자동이득제어시스템 Download PDF

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Publication number
KR100424245B1
KR100424245B1 KR1019970022846A KR19970022846A KR100424245B1 KR 100424245 B1 KR100424245 B1 KR 100424245B1 KR 1019970022846 A KR1019970022846 A KR 1019970022846A KR 19970022846 A KR19970022846 A KR 19970022846A KR 100424245 B1 KR100424245 B1 KR 100424245B1
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KR
South Korea
Prior art keywords
control
control error
gain
signal
error 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 - Fee Related
Application number
KR1019970022846A
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English (en)
Korean (ko)
Other versions
KR980007112A (ko
Inventor
다카유키 나카노
Original Assignee
마쯔시다덴기산교 가부시키가이샤
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Publication date
Application filed by 마쯔시다덴기산교 가부시키가이샤 filed Critical 마쯔시다덴기산교 가부시키가이샤
Publication of KR980007112A publication Critical patent/KR980007112A/ko
Application granted granted Critical
Publication of KR100424245B1 publication Critical patent/KR100424245B1/ko
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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G11/00—Limiting amplitude; Limiting rate of change of amplitude
    • 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

Landscapes

  • Control Of Amplification And Gain Control (AREA)
  • Circuits Of Receivers In General (AREA)
  • Mobile Radio Communication Systems (AREA)
KR1019970022846A 1996-06-03 1997-06-03 자동이득제어시스템 Expired - Fee Related KR100424245B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/657,090 1996-06-03
US08/657,090 US5784410A (en) 1996-06-03 1996-06-03 Reception automatic gain control system and method
US8/657,090 1996-06-03

Publications (2)

Publication Number Publication Date
KR980007112A KR980007112A (ko) 1998-03-30
KR100424245B1 true KR100424245B1 (ko) 2004-05-17

Family

ID=24635774

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019970022846A Expired - Fee Related KR100424245B1 (ko) 1996-06-03 1997-06-03 자동이득제어시스템

Country Status (9)

Country Link
US (1) US5784410A (enExample)
EP (1) EP0812064B1 (enExample)
JP (1) JPH1084237A (enExample)
KR (1) KR100424245B1 (enExample)
CN (1) CN1173077A (enExample)
CA (1) CA2206751C (enExample)
DE (1) DE69725048T2 (enExample)
IN (1) IN191038B (enExample)
MX (1) MX9703355A (enExample)

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US6496543B1 (en) * 1996-10-29 2002-12-17 Qualcomm Incorporated Method and apparatus for providing high speed data communications in a cellular environment
US5940291A (en) * 1997-05-08 1999-08-17 Lucent Technologies Inc. Low-complexity adaptive controller
KR100251694B1 (ko) * 1997-10-29 2000-04-15 윤종용 자동이득제어장치
JP3329264B2 (ja) 1998-04-06 2002-09-30 日本電気株式会社 Ａｇｃ回路
US6289044B1 (en) * 1998-05-12 2001-09-11 Nortel Networks Limited Automatic gain control circuit for a modem receiver
DE19824233B4 (de) * 1998-05-29 2005-10-06 Telefonaktiebolaget Lm Ericsson (Publ) Amplitudenbegrenzung
US6442398B1 (en) * 1998-12-03 2002-08-27 Qualcomm Incorporated Method and apparatus for reverse link loading estimation
KR100326157B1 (ko) 1998-12-31 2002-07-03 윤종용 통신시스템에서반복디코더에대한양자화방법
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
JP3468287B2 (ja) * 1999-10-13 2003-11-17 日本電気株式会社 Ｃｄｍａ受信ａｇｃ回路およびｃｄｍａ復調装置
US6321073B1 (en) * 2000-01-31 2001-11-20 Motorola, Inc. Radiotelephone receiver and method with improved dynamic range and DC offset correction
JP2001244765A (ja) * 2000-02-28 2001-09-07 Mitsubishi Electric Corp 自動利得制御方法および自動利得制御用プロセッサならびに復調装置
JP2001267964A (ja) * 2000-03-16 2001-09-28 Matsushita Electric Ind Co Ltd Ｃｄｍａ受信方法及び装置
US6510188B1 (en) * 2001-07-26 2003-01-21 Wideband Computers, Inc. All digital automatic gain control circuit
EP1296449B1 (en) * 2001-09-25 2007-10-31 Sony Deutschland GmbH Automatic gain control
KR100436762B1 (ko) * 2002-01-02 2004-06-23 삼성전자주식회사 비선형적으로 가변되는 제어값을 출력하는자동이득조절장치 및 그의 이득조절신호 출력방법
JP4311034B2 (ja) * 2003-02-14 2009-08-12 沖電気工業株式会社 帯域復元装置及び電話機
JP4263586B2 (ja) * 2003-12-03 2009-05-13 パイオニア株式会社 マルチパス除去フィルタ
US7522876B1 (en) * 2004-04-21 2009-04-21 Phc Llc Distributed access gateway and wireless router pods and public safety communications infrastructure incorporating the same
CN1954528A (zh) * 2004-05-07 2007-04-25 松下电器产业株式会社 正交频分复用接收装置及正交频分复用接收方法
EP1605655A3 (en) * 2004-06-07 2008-02-27 Broadcom Corporation Upstream power cutback
CN101401261B (zh) 2006-02-03 2012-11-21 匡坦斯公司 功率放大器控制器电路
US7933570B2 (en) 2006-02-03 2011-04-26 Quantance, Inc. Power amplifier controller circuit
US7761065B2 (en) 2006-02-03 2010-07-20 Quantance, Inc. RF power amplifier controller circuit with compensation for output impedance mismatch
US8032097B2 (en) 2006-02-03 2011-10-04 Quantance, Inc. Amplitude error de-glitching circuit and method of operating
US8095090B2 (en) 2006-02-03 2012-01-10 Quantance, Inc. RF power amplifier controller circuit
US7869542B2 (en) 2006-02-03 2011-01-11 Quantance, Inc. Phase error de-glitching circuit and method of operating
US7917106B2 (en) 2006-02-03 2011-03-29 Quantance, Inc. RF power amplifier controller circuit including calibrated phase control loop
US7466195B2 (en) 2007-05-18 2008-12-16 Quantance, Inc. Error driven RF power amplifier control with increased efficiency
US7783269B2 (en) 2007-09-20 2010-08-24 Quantance, Inc. Power amplifier controller with polar transmitter
CN101426111A (zh) * 2007-10-30 2009-05-06 天钰科技股份有限公司 自动增益控制电路
US8014735B2 (en) 2007-11-06 2011-09-06 Quantance, Inc. RF power amplifier controlled by estimated distortion level of output signal of power amplifier
JP4906746B2 (ja) * 2008-01-21 2012-03-28 キヤノン株式会社 情報処理装置
US7782134B2 (en) 2008-09-09 2010-08-24 Quantance, Inc. RF power amplifier system with impedance modulation
US8018277B2 (en) 2008-09-09 2011-09-13 Quantance, Inc. RF power amplifier system with impedance modulation
US7777566B1 (en) 2009-02-05 2010-08-17 Quantance, Inc. Amplifier compression adjustment circuit
US8401129B2 (en) * 2009-11-19 2013-03-19 Techwell Llc Digital automatic gain control
JP5646768B2 (ja) * 2011-02-28 2014-12-24 エヌイーシー（チャイナ）カンパニー， リミテッドＮＥＣ（Ｃｈｉｎａ）Ｃｏ．，Ｌｔｄ． アウターループリンク適応演算実行方法および装置
FR2974258B1 (fr) * 2011-04-14 2019-08-09 Thales Systeme de conversion analogique-numerique comprenant une double boucle de controle automatique de gain
JP5295349B2 (ja) * 2011-12-28 2013-09-18 キヤノン株式会社 情報処理装置
CN102647190B (zh) * 2012-04-18 2015-03-04 天津大学 适用于高斯分布信号a/d转换器最佳输入功率设定方法
CN104981006B (zh) * 2014-04-10 2018-12-04 北京信威通信技术股份有限公司 终端在宽接收动态范围获取无线帧功率包络的方法及装置
CN105071792B (zh) 2015-07-17 2018-03-30 英特尔公司 脉冲密度调制值转换器及其应用
US10644906B2 (en) * 2018-08-03 2020-05-05 Avago Technologies International Sales Pte. Limited Emission control for receiver operating over UTP cables in automotive environment
CN111983997B (zh) * 2020-08-31 2021-07-20 北京清大华亿科技有限公司 一种基于耦合性分析的控制回路性能监测方法及系统
CN114900140A (zh) * 2022-04-22 2022-08-12 中国电子科技集团公司第十研究所 自动增益控制方法、装置、设备及介质

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5451948A (en) * 1994-02-28 1995-09-19 Cubic Communications, Inc. Apparatus and method for combining analog and digital automatic gain control in receivers with digital signal processing

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JPS62292008A (ja) * 1986-06-12 1987-12-18 Fujitsu Ten Ltd 音量制御装置
JPS62293830A (ja) * 1986-06-12 1987-12-21 Fujitsu Ltd 自動利得制御方式
JPS63260208A (ja) * 1987-04-17 1988-10-27 Kenwood Corp デジタルａｇｃ方式
AU673390B2 (en) * 1993-01-20 1996-11-07 Nec Corporation An AGC circuit for burst signal
JPH06244889A (ja) * 1993-02-15 1994-09-02 Fujitsu Ltd モデム復調部用受信レベル調整回路
ZA95605B (en) * 1994-04-28 1995-12-20 Qualcomm Inc Method and apparatus for automatic gain control and dc offset cancellation in quadrature receiver

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5451948A (en) * 1994-02-28 1995-09-19 Cubic Communications, Inc. Apparatus and method for combining analog and digital automatic gain control in receivers with digital signal processing

Also Published As

Publication number Publication date
KR980007112A (ko) 1998-03-30
DE69725048D1 (de) 2003-10-30
CN1173077A (zh) 1998-02-11
JPH1084237A (ja) 1998-03-31
CA2206751C (en) 2001-09-11
US5784410A (en) 1998-07-21
CA2206751A1 (en) 1997-12-03
IN191038B (enExample) 2003-09-13
DE69725048T2 (de) 2004-06-17
EP0812064A3 (en) 1999-05-12
EP0812064A2 (en) 1997-12-10
EP0812064B1 (en) 2003-09-24
MX9703355A (es) 1997-12-31

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