JP4834806B2 - 動的ゲイン及び位相補償のための方法及び装置 - Google Patents

動的ゲイン及び位相補償のための方法及び装置 Download PDF

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Publication number
JP4834806B2
JP4834806B2 JP2008504332A JP2008504332A JP4834806B2 JP 4834806 B2 JP4834806 B2 JP 4834806B2 JP 2008504332 A JP2008504332 A JP 2008504332A JP 2008504332 A JP2008504332 A JP 2008504332A JP 4834806 B2 JP4834806 B2 JP 4834806B2
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Japan
Prior art keywords
signal
gain
dynamically
digital signal
gain control
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JP2008504332A
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Japanese (ja)
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JP2008535396A (ja
JP2008535396A5 (https=
Inventor
ラーマン、マヒブール
エル． ソブチャク、チャールズ
ディビッド ヒューズ、ジェームズ
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Apple Inc
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Apple Inc
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    • 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)
JP2008504332A 2005-04-04 2006-03-29 動的ゲイン及び位相補償のための方法及び装置 Expired - Fee Related JP4834806B2 (ja)

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 (3)

Publication Number Publication Date
JP2008535396A JP2008535396A (ja) 2008-08-28
JP2008535396A5 JP2008535396A5 (https=) 2010-12-16
JP4834806B2 true JP4834806B2 (ja) 2011-12-14

Family

ID=37071204

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008504332A Expired - Fee Related JP4834806B2 (ja) 2005-04-04 2006-03-29 動的ゲイン及び位相補償のための方法及び装置

Country Status (5)

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

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
WO2009138125A1 (en) * 2008-05-15 2009-11-19 Telefonaktiebolaget Lm Ericsson (Publ) Wcdma agc receiver snr adjustment and signalling
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
EP2641329A1 (en) * 2010-11-17 2013-09-25 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 (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002009851A (ja) * 2000-06-20 2002-01-11 Matsushita Electric Ind Co Ltd 受信装置
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
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
WO2004049580A2 (en) * 2002-01-25 2004-06-10 Qualcomm Incorporated An amps receiver system using a zero-if architecture

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003046353A (ja) * 2001-07-27 2003-02-14 Toshiba Corp 受信装置
EP1317064A1 (en) * 2001-11-28 2003-06-04 TTPCOM Limited Transmitter RF power control
JP2004048581A (ja) 2002-07-15 2004-02-12 Hitachi Ltd 受信装置及び利得制御システム
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 (4)

* 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
JP2002009851A (ja) * 2000-06-20 2002-01-11 Matsushita Electric Ind Co Ltd 受信装置
WO2004049580A2 (en) * 2002-01-25 2004-06-10 Qualcomm Incorporated An amps receiver system using a zero-if architecture
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

Also Published As

Publication number Publication date
US20060223463A1 (en) 2006-10-05
JP2008535396A (ja) 2008-08-28
CN101218749B (zh) 2013-01-02
TW200703929A (en) 2007-01-16
WO2006107690A2 (en) 2006-10-12
TWI375406B (en) 2012-10-21
CN101218749A (zh) 2008-07-09
US7486941B2 (en) 2009-02-03
WO2006107690A3 (en) 2007-11-08

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