CN101218749B - 动态增益和相位补偿的方法和装置 - Google Patents

动态增益和相位补偿的方法和装置 Download PDF

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Publication number
CN101218749B
CN101218749B CN2006800101754A CN200680010175A CN101218749B CN 101218749 B CN101218749 B CN 101218749B CN 2006800101754 A CN2006800101754 A CN 2006800101754A CN 200680010175 A CN200680010175 A CN 200680010175A CN 101218749 B CN101218749 B CN 101218749B
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CN
China
Prior art keywords
gain
signal
digital signal
dynamically
gain control
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
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CN2006800101754A
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English (en)
Chinese (zh)
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CN101218749A (zh
Inventor
马希布尔·拉赫曼
查尔斯·L·索布恰克
詹姆斯·戴维·休斯
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Apple Inc
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Freescale Semiconductor Inc
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Publication date
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Publication of CN101218749A publication Critical patent/CN101218749A/zh
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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0088—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using discontinuously variable devices, e.g. switch-operated
    • 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

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  • Circuits Of Receivers In General (AREA)
  • Control Of Amplification And Gain Control (AREA)
CN2006800101754A 2005-04-04 2006-03-29 动态增益和相位补偿的方法和装置 Expired - Fee Related CN101218749B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/099,278 US7486941B2 (en) 2005-04-04 2005-04-04 Method and apparatus for dynamic gain and phase compensations
US11/099,278 2005-04-04
PCT/US2006/011569 WO2006107690A2 (en) 2005-04-04 2006-03-29 Method and apparatus for dynamic gain and phase compensations

Publications (2)

Publication Number Publication Date
CN101218749A CN101218749A (zh) 2008-07-09
CN101218749B true CN101218749B (zh) 2013-01-02

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2006800101754A Expired - Fee Related CN101218749B (zh) 2005-04-04 2006-03-29 动态增益和相位补偿的方法和装置

Country Status (5)

Country Link
US (1) US7486941B2 (enExample)
JP (1) JP4834806B2 (enExample)
CN (1) CN101218749B (enExample)
TW (1) TWI375406B (enExample)
WO (1) WO2006107690A2 (enExample)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7203472B2 (en) * 2002-03-15 2007-04-10 Nokia Corporation Method and apparatus providing calibration technique for RF performance tuning
US7353010B1 (en) * 2004-12-22 2008-04-01 Atheros Communications, Inc. Techniques for fast automatic gain control
KR100788637B1 (ko) * 2006-10-02 2007-12-26 (주)에프씨아이 이득제어 및 다중대역의 처리가 가능한 수신기
JP2009094703A (ja) * 2007-10-05 2009-04-30 Oki Semiconductor Co Ltd ゲイン制御装置
US8000408B2 (en) * 2008-05-13 2011-08-16 Freescale Semiconductor, Inc. Loop delay and gain control methods in closed-loop transmitters and wireless devices
CN102027675B (zh) * 2008-05-15 2015-03-25 奥普蒂斯蜂窝技术有限责任公司 Wcdma agc接收器snr调整和信令
US8126094B2 (en) * 2009-01-07 2012-02-28 Skyworks Solutions, Inc. Circuits, systems, and methods for managing automatic gain control in quadrature signal paths of a receiver
WO2012065638A1 (en) * 2010-11-17 2012-05-24 Telefonaktiebolaget Lm Ericsson (Publ) A multistage receiver system
US8983413B2 (en) * 2010-12-01 2015-03-17 Intel Mobile Communications GmbH Communication device including multiple LO receivers
WO2013078656A1 (zh) * 2011-12-01 2013-06-06 华为技术有限公司 一种光纤系统中帧同步的方法及装置
US9048524B2 (en) 2012-03-26 2015-06-02 Google Technology Holdings LLC Method and apparatus for compensating for phase shift in a communication device
US9281849B2 (en) 2012-03-26 2016-03-08 Google Technology Holdings LLC Method and apparatus for compensating for phase shift in a communication device
US9014245B2 (en) 2012-03-26 2015-04-21 Google Technology Holdings LLC Method and apparatus for compensating for phase shift in a communication device
US8638251B1 (en) * 2012-08-29 2014-01-28 Mcafee, Inc. Delay compensation for sigma delta modulator
US9543903B2 (en) * 2012-10-22 2017-01-10 Qualcomm Incorporated Amplifiers with noise splitting
US9503040B1 (en) * 2013-03-12 2016-11-22 Maxlinear Asia Singapore PTE LTD Method and apparatus for changing the gain of a radio frequency signal
TWI533646B (zh) 2014-06-10 2016-05-11 晨星半導體股份有限公司 配合可變增益放大器之信號處理系統及信號處理方法
CN105282466B (zh) * 2014-06-30 2018-07-06 晨星半导体股份有限公司 配合可变增益放大器的信号处理系统及信号处理方法
CN107978319B (zh) * 2016-10-24 2021-03-26 北京东方广视科技股份有限公司 一种人声数据的处理方法和装置
CN111654298A (zh) * 2019-02-19 2020-09-11 北京小米松果电子有限公司 通信控制方法、装置、存储介质及基带芯片
CN113726377B (zh) * 2020-05-26 2022-10-18 华为技术有限公司 一种相位补偿、校准方法及ap
CN116338541A (zh) * 2021-12-22 2023-06-27 上海联影医疗科技股份有限公司 接收机、信号的接收方法及磁共振成像设备

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6668164B2 (en) * 2000-06-01 2003-12-23 Motorola, Inc. Method and apparatus for reducing intermodulation distortion in a low current drain automatic gain control system
CN1596505A (zh) * 2001-11-28 2005-03-16 Ttpcom有限公司 发射机射频功率控制

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4379658B2 (ja) * 2000-06-20 2009-12-09 パナソニック株式会社 受信装置
JP2003046353A (ja) * 2001-07-27 2003-02-14 Toshiba Corp 受信装置
US7024169B2 (en) * 2002-01-25 2006-04-04 Qualcomm Incorporated AMPS receiver using a zero-IF architecture
JP2004048581A (ja) * 2002-07-15 2004-02-12 Hitachi Ltd 受信装置及び利得制御システム
JP2004080455A (ja) * 2002-08-20 2004-03-11 Sony Corp 受信回路およびこれを用いた無線通信装置
KR100581059B1 (ko) * 2003-09-26 2006-05-22 한국전자통신연구원 직교 복조 수신 시스템에서 가변루프이득을 이용한 동위상채널과 직교 채널 간 위상 및 이득 불일치 보상 장치 및그 방법

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6668164B2 (en) * 2000-06-01 2003-12-23 Motorola, Inc. Method and apparatus for reducing intermodulation distortion in a low current drain automatic gain control system
CN1596505A (zh) * 2001-11-28 2005-03-16 Ttpcom有限公司 发射机射频功率控制

Also Published As

Publication number Publication date
JP4834806B2 (ja) 2011-12-14
WO2006107690A2 (en) 2006-10-12
WO2006107690A3 (en) 2007-11-08
TWI375406B (en) 2012-10-21
JP2008535396A (ja) 2008-08-28
CN101218749A (zh) 2008-07-09
US20060223463A1 (en) 2006-10-05
TW200703929A (en) 2007-01-16
US7486941B2 (en) 2009-02-03

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Granted publication date: 20130102