NO20012302L - Fremgangsmåte og apparat for automatisk forsterkningsstyring - Google Patents

Fremgangsmåte og apparat for automatisk forsterkningsstyring

Info

Publication number
NO20012302L
NO20012302L NO20012302A NO20012302A NO20012302L NO 20012302 L NO20012302 L NO 20012302L NO 20012302 A NO20012302 A NO 20012302A NO 20012302 A NO20012302 A NO 20012302A NO 20012302 L NO20012302 L NO 20012302L
Authority
NO
Norway
Prior art keywords
gain control
signal
automatic gain
analog
digital
Prior art date
Application number
NO20012302A
Other languages
English (en)
Norwegian (no)
Other versions
NO20012302D0 (no
Inventor
Olli Piirainen
Markku Tirkkonen
Original Assignee
Nokia Networks Oy
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 Nokia Networks Oy filed Critical Nokia Networks Oy
Publication of NO20012302D0 publication Critical patent/NO20012302D0/no
Publication of NO20012302L publication Critical patent/NO20012302L/no

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
    • 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
    • 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)
  • Circuits Of Receivers In General (AREA)
  • Control Of Metal Rolling (AREA)
  • Control Of Eletrric Generators (AREA)
NO20012302A 1998-11-12 2001-05-10 Fremgangsmåte og apparat for automatisk forsterkningsstyring NO20012302L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI982455A FI106325B (fi) 1998-11-12 1998-11-12 Menetelmä ja laite tehonsäädön ohjaamiseksi
PCT/FI1999/000938 WO2000030260A1 (en) 1998-11-12 1999-11-11 Method and apparatus for automatic gain control

Publications (2)

Publication Number Publication Date
NO20012302D0 NO20012302D0 (no) 2001-05-10
NO20012302L true NO20012302L (no) 2001-05-14

Family

ID=8552902

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20012302A NO20012302L (no) 1998-11-12 2001-05-10 Fremgangsmåte og apparat for automatisk forsterkningsstyring

Country Status (11)

Country Link
US (1) US6473016B2 (de)
EP (1) EP1129522B1 (de)
JP (2) JP2002530920A (de)
CN (1) CN1138344C (de)
AT (1) ATE341858T1 (de)
AU (1) AU1275100A (de)
DE (1) DE69933466T2 (de)
ES (1) ES2273514T3 (de)
FI (1) FI106325B (de)
NO (1) NO20012302L (de)
WO (1) WO2000030260A1 (de)

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FI107968B (fi) * 2000-03-13 2001-10-31 Nokia Networks Oy Menetelmä ja järjestely vahvistuksen säätämiseksi
FR2811831B1 (fr) 2000-07-17 2002-10-11 Matra Nortel Communications Procede et dispositif de conversion analogique/numerique
NL1015993C2 (nl) * 2000-08-23 2002-02-26 Beltone Netherlands B V Werkwijze en inrichting voor het omzetten van een analoog ingangssignaal in een digitaal uitgangssignaal.
FI20020937A0 (fi) 2002-05-17 2002-05-17 Nokia Corp Virheenkorjaus radiojärjestelmän vastaanottimessa
US6868263B2 (en) * 2002-06-10 2005-03-15 Qualcomm Incorporated Digital automatic gain control
US7177373B2 (en) * 2002-08-09 2007-02-13 Infineon Technologies Ag Continuous self-calibration of internal analog signals
JP2006506885A (ja) * 2002-11-18 2006-02-23 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ 拡張遮断性能を得るため信号および干渉電力を用いる自動利得制御
US7392405B2 (en) * 2004-01-16 2008-06-24 Ohm Power Solutions, Ltd. Digitally controlled power supply
KR100610478B1 (ko) * 2004-05-06 2006-08-08 매그나칩 반도체 유한회사 이미지센서 및 그의 디지털 이득 보상 방법
EP2227682A1 (de) * 2007-11-06 2010-09-15 Nokia Corporation Ein kodierer
US7573410B1 (en) * 2008-03-04 2009-08-11 Broadcom Corporation Gain step calibration in a mobile cellular transmitter
US7760122B1 (en) 2008-05-02 2010-07-20 Pmc-Sierra, Inc. Power optimized ADC for wireless transceivers
RU2475868C2 (ru) * 2008-06-13 2013-02-20 Нокиа Корпорейшн Способ и устройство для маскирования ошибок кодированных аудиоданных
JPWO2012056882A1 (ja) * 2010-10-27 2014-03-20 株式会社村田製作所 検出回路
US9275690B2 (en) 2012-05-30 2016-03-01 Tahoe Rf Semiconductor, Inc. Power management in an electronic system through reducing energy usage of a battery and/or controlling an output power of an amplifier thereof
US9509351B2 (en) 2012-07-27 2016-11-29 Tahoe Rf Semiconductor, Inc. Simultaneous accommodation of a low power signal and an interfering signal in a radio frequency (RF) receiver
US9780449B2 (en) 2013-03-15 2017-10-03 Integrated Device Technology, Inc. Phase shift based improved reference input frequency signal injection into a coupled voltage controlled oscillator (VCO) array during local oscillator (LO) signal generation to reduce a phase-steering requirement during beamforming
US9184498B2 (en) 2013-03-15 2015-11-10 Gigoptix, Inc. Extending beamforming capability of a coupled voltage controlled oscillator (VCO) array during local oscillator (LO) signal generation through fine control of a tunable frequency of a tank circuit of a VCO thereof
US9666942B2 (en) 2013-03-15 2017-05-30 Gigpeak, Inc. Adaptive transmit array for beam-steering
US9531070B2 (en) 2013-03-15 2016-12-27 Christopher T. Schiller Extending beamforming capability of a coupled voltage controlled oscillator (VCO) array during local oscillator (LO) signal generation through accommodating differential coupling between VCOs thereof
US9722310B2 (en) 2013-03-15 2017-08-01 Gigpeak, Inc. Extending beamforming capability of a coupled voltage controlled oscillator (VCO) array during local oscillator (LO) signal generation through frequency multiplication
US9837714B2 (en) 2013-03-15 2017-12-05 Integrated Device Technology, Inc. Extending beamforming capability of a coupled voltage controlled oscillator (VCO) array during local oscillator (LO) signal generation through a circular configuration thereof
US9716315B2 (en) 2013-03-15 2017-07-25 Gigpeak, Inc. Automatic high-resolution adaptive beam-steering
CN113765531B (zh) * 2020-06-02 2022-08-16 广州海格通信集团股份有限公司 接收链路的自动增益控制方法、装置和计算机设备
JP7636855B2 (ja) 2020-06-30 2025-02-27 日本無線株式会社 受信機
CN115002839B (zh) * 2022-06-29 2025-03-07 恒玄科技(上海)股份有限公司 一种agc动态调整方法及装置

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3813609A (en) 1972-11-27 1974-05-28 Petty Ray Geophysical Inc Multiple stage sample normalizing amplifier with automatic gain prediction
US3931584A (en) * 1974-09-12 1976-01-06 Hycom Incorporated Automatic gain control
JPS583406A (ja) 1981-06-30 1983-01-10 Fujitsu Ltd ディジタル形自動利得制御方法
DK163699C (da) * 1986-02-11 1992-08-17 Poul Richter Joergensen Fremgangsmaade til automatisk forstaerkningsstyring af et signal samt et kredsloeb til udoevelse af fremgangsmaaden
FR2606956A1 (fr) * 1986-11-14 1988-05-20 Radiotechnique Compelec Dispositif de conversion analogique-numerique comportant un dispositif de controle automatique de gain
JP2533062Y2 (ja) * 1987-07-03 1997-04-16 ヤマハ株式会社 アナログディジタル変換回路
CH688459A5 (de) * 1992-02-04 1997-09-30 Ascom Audiosys Ag Verfahren zur Digitalisierung eines Signals, Verarbeitungseinheit zu dessen Ausfuehrung
JP3183417B2 (ja) * 1992-04-17 2001-07-09 ソニー株式会社 Ａ／ｄ変換装置
JP2973705B2 (ja) * 1992-06-05 1999-11-08 日本電気株式会社 自動利得制御回路
FR2699768B1 (fr) * 1992-12-23 1995-02-10 Alcatel Radiotelephone Procédé de contrôle automatique de gain pour un récepteur numérique, notamment un récepteur à accès multiple à répartition dans le temps et dispositif pour sa mise en Óoeuvre.
US5467231A (en) * 1993-02-26 1995-11-14 Hewlett-Packard Company Using recorded data for auto calibration of fixed gain of a read amplifier in a data storage device
US5389927A (en) * 1993-05-28 1995-02-14 Motorola, Inc. Method and apparatus for control of an analog to digital converter
US5627857A (en) * 1995-09-15 1997-05-06 Qualcomm Incorporated Linearized digital automatic gain control
US5761251A (en) 1995-11-08 1998-06-02 Philips Electronics North America Corporation Dual automatic gain control and DC offset correction circuit for QAM demodulation
JP3403566B2 (ja) * 1995-12-30 2003-05-06 松下電器産業株式会社 復調装置
US5828328A (en) * 1996-06-28 1998-10-27 Harris Corporation High speed dynamic range extension employing a synchronous digital detector
US6580905B1 (en) * 1996-07-02 2003-06-17 Ericsson Inc. System and method for controlling the level of signals output to transmission media in a distributed antenna network
US6249554B1 (en) * 1997-07-15 2001-06-19 Agere Systems Guardian Corp. Power based digital automatic gain control circuit
US6292120B1 (en) * 2000-03-02 2001-09-18 Adc Telecommunications, Inc. Automatic gain control for input to analog to digital converter

Also Published As

Publication number Publication date
JP2005348440A (ja) 2005-12-15
CN1138344C (zh) 2004-02-11
JP2002530920A (ja) 2002-09-17
US20010050625A1 (en) 2001-12-13
NO20012302D0 (no) 2001-05-10
AU1275100A (en) 2000-06-05
US6473016B2 (en) 2002-10-29
FI982455A0 (fi) 1998-11-12
FI982455L (fi) 2000-05-13
DE69933466D1 (de) 2006-11-16
ATE341858T1 (de) 2006-10-15
WO2000030260A1 (en) 2000-05-25
CN1330811A (zh) 2002-01-09
ES2273514T3 (es) 2007-05-01
EP1129522A1 (de) 2001-09-05
FI106325B (fi) 2001-01-15
EP1129522B1 (de) 2006-10-04
DE69933466T2 (de) 2007-03-29

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