FI980592A0 - Lineariserad automatisk foerstaerkningsreglering - Google Patents

Lineariserad automatisk foerstaerkningsreglering

Info

Publication number
FI980592A0
FI980592A0 FI980592A FI980592A FI980592A0 FI 980592 A0 FI980592 A0 FI 980592A0 FI 980592 A FI980592 A FI 980592A FI 980592 A FI980592 A FI 980592A FI 980592 A0 FI980592 A0 FI 980592A0
Authority
FI
Finland
Prior art keywords
digital
agc
transmit
signal
receive
Prior art date
Application number
FI980592A
Other languages
English (en)
Other versions
FI980592A (fi
Inventor
Nathaniel B Wilson
Original Assignee
Qualcomm Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24107973&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI980592(A0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of FI980592A0 publication Critical patent/FI980592A0/fi
Publication of FI980592A publication Critical patent/FI980592A/fi

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
    • H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
    • H03G3/3042—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/294—Indexing scheme relating to amplifiers the amplifier being a low noise amplifier [LNA]
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/372—Noise reduction and elimination in amplifier

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Transmitters (AREA)
  • Massaging Devices (AREA)
FI980592A 1995-09-15 1998-03-17 Linearisoitu automaattinen vahvistuksen ohjaus FI980592A (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/528,969 US5627857A (en) 1995-09-15 1995-09-15 Linearized digital automatic gain control
PCT/US1996/014917 WO1997010644A1 (en) 1995-09-15 1996-09-16 Linearized digital automatic gain control

Publications (2)

Publication Number Publication Date
FI980592A0 true FI980592A0 (fi) 1998-03-17
FI980592A FI980592A (fi) 1998-03-18

Family

ID=24107973

Family Applications (1)

Application Number Title Priority Date Filing Date
FI980592A FI980592A (fi) 1995-09-15 1998-03-17 Linearisoitu automaattinen vahvistuksen ohjaus

Country Status (18)

Country Link
US (1) US5627857A (fi)
EP (1) EP0850509B9 (fi)
KR (1) KR100427838B1 (fi)
CN (1) CN1103136C (fi)
AT (1) ATE229709T1 (fi)
AU (1) AU704530B2 (fi)
CA (1) CA2233692C (fi)
DE (1) DE69625367T3 (fi)
ES (1) ES2188790T5 (fi)
FI (1) FI980592A (fi)
HK (1) HK1015088A1 (fi)
IL (1) IL119239A (fi)
MY (1) MY120901A (fi)
NZ (1) NZ319397A (fi)
RU (1) RU2158474C2 (fi)
UA (1) UA48985C2 (fi)
WO (1) WO1997010644A1 (fi)
ZA (1) ZA967426B (fi)

Families Citing this family (71)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19536527C2 (de) * 1995-09-29 1998-05-07 Siemens Ag Empfängerarchitektur zum Empfangen von winkelmodulierten/-getasteten Trägersignalen
JPH1065568A (ja) * 1996-08-21 1998-03-06 Oki Electric Ind Co Ltd 無線装置
KR100193843B1 (ko) * 1996-09-13 1999-06-15 윤종용 이동통신시스템 송수신기의 디지탈 자동이득제어방법 및 장치
US5923454A (en) * 1996-10-09 1999-07-13 Motorola, Inc. Modem method and device for indicating received signal strength and presence for intensity modulated binary-coded wireless data packets with reduced recovery time
US20020170735A1 (en) * 1997-09-05 2002-11-21 Bicc General Uk Cables Limited. Electric cable joints and methods of making them
US6127886A (en) * 1997-10-30 2000-10-03 The Whitaker Corporation Switched amplifying device
US6035181A (en) * 1997-11-03 2000-03-07 Motorola, Inc. Apparatus and method for maximizing transmit power output
JPH11145899A (ja) * 1997-11-10 1999-05-28 Matsushita Electric Ind Co Ltd 送受信装置及び無線伝送システム
DE69942964D1 (de) * 1998-02-19 2011-01-05 Nippon Telegraph & Telephone Verstärker zur radioübertragung
US6282177B1 (en) * 1998-03-04 2001-08-28 3Com Corporation Method and apparatus for dynamically controlling the bias current in a receiver in response to the transmitter power
US6233438B1 (en) * 1998-03-26 2001-05-15 Ericsson Inc. Wide-range power control systems and methods for radio frequency transmitters and mobile radiotelephones
JP3314723B2 (ja) * 1998-06-10 2002-08-12 日本電気株式会社 ディジタル自動利得制御用リニアライザ及びこれを用いたディジタル自動利得制御回路
KR100357619B1 (ko) * 1998-06-23 2003-01-15 삼성전자 주식회사 이동 통신단말기의 출력전력 제어장치 및 방법
US6107878A (en) * 1998-08-06 2000-08-22 Qualcomm Incorporated Automatic gain control circuit for controlling multiple variable gain amplifier stages while estimating received signal power
KR100303795B1 (ko) * 1998-08-07 2001-09-24 윤종용 송신신호 이득 제어방법
FI106660B (fi) * 1998-11-06 2001-03-15 Nokia Mobile Phones Ltd Menetelmä ja järjestely radiovastaanottimen linearisoimiseksi
FI106325B (fi) * 1998-11-12 2001-01-15 Nokia Networks Oy Menetelmä ja laite tehonsäädön ohjaamiseksi
KR20000039922A (en) * 1998-12-16 2000-07-05 Samsung Electronics Co Ltd Method for compensating variance of transmission power in each channel of cellular phone
AU2133400A (en) 1998-12-24 2000-07-31 Telefonaktiebolaget Lm Ericsson (Publ) Communication receiver having reduced dynamic range
US6324387B1 (en) 1998-12-29 2001-11-27 Philips Electronics N.A. Corp. LNA control-circuit for receive closed loop automatic gain control
US6445930B1 (en) 1999-04-21 2002-09-03 Joseph Peter Bartelme Power control system and method for use with wireless communications system
US6122331A (en) * 1999-06-14 2000-09-19 Atmel Corporation Digital automatic gain control
US6374116B1 (en) * 1999-06-14 2002-04-16 Qualcomm Incorporated Adjusting maximum transmit power to maintain constant margin for adjacent channel power rejection
JP3991543B2 (ja) 2000-01-11 2007-10-17 株式会社日立製作所 撮像装置
US6721368B1 (en) * 2000-03-04 2004-04-13 Qualcomm Incorporated Transmitter architectures for communications systems
US6633766B1 (en) 2000-04-24 2003-10-14 Telefonaktiebolaget Lm Ericsson (Publ) Frequency selective RF output power calibration using digital and analog power measurements for use in a cellular telecommunications system
US6304140B1 (en) * 2000-06-12 2001-10-16 Motorola, Inc. Digital predistortion for amplifiers
US7409195B2 (en) * 2000-09-08 2008-08-05 Nebo Wireless, Llc Wireless modem
US6836519B1 (en) 2000-12-20 2004-12-28 Cisco Technology, Inc. Automatic digital scaling for digital communication systems
US7076225B2 (en) * 2001-02-16 2006-07-11 Qualcomm Incorporated Variable gain selection in direct conversion receiver
DE10122683A1 (de) * 2001-05-10 2002-11-14 Siemens Ag Verfahren zur Regelung der Verstärkung eines hochfrequenten Signals
US6552591B1 (en) 2001-11-01 2003-04-22 Piradian, Inc. Method and apparatus for processing a wide dynamic range signal
KR100663514B1 (ko) * 2001-12-06 2007-01-02 삼성전자주식회사 이동 통신 단말기에서 선형 자동 이득 제어를 위한 선형화장치 및 그 제어 방법
KR100436762B1 (ko) * 2002-01-02 2004-06-23 삼성전자주식회사 비선형적으로 가변되는 제어값을 출력하는자동이득조절장치 및 그의 이득조절신호 출력방법
EP1351403B1 (en) * 2002-04-05 2016-03-30 Imec Transceiver with front end reconfiguration
DE10219364A1 (de) * 2002-04-30 2003-11-20 Advanced Micro Devices Inc Digitale automatische Verstärkungssteuerung für Sende/Empfangselemente
JP4043850B2 (ja) * 2002-06-03 2008-02-06 松下電器産業株式会社 ダイバシティ切替装置
US20040198261A1 (en) * 2002-06-28 2004-10-07 Wei Xiong Method of self-calibration in a wireless transmitter
KR100459715B1 (ko) * 2002-08-09 2004-12-03 삼성전자주식회사 고속의 디지털 RSSI(Received Signal Strength Indicator) 회로
US20040087321A1 (en) * 2002-11-06 2004-05-06 Ernie Lin Circuitry to establish a wireless communication link
US7095994B1 (en) 2002-11-27 2006-08-22 Lucent Technologies Inc. Method and apparatus for dynamic biasing of baseband circuitry in a communication system receiver
WO2004062142A1 (en) * 2003-01-07 2004-07-22 Philips Intellectual Property & Standards Gmbh Method and circuit arrangement for determining the signal strength in receivers with complex signal processing
DE112004000016T5 (de) * 2003-02-22 2005-05-12 Lg Innotek Co., Ltd. Logischer, rauscharmer Verstärker und Verstärkungssteuerverfahren davon
EP1618760A4 (en) * 2003-04-09 2013-03-20 That Corp REZIPROK INDEX REPORTS FOR BTSC COMPATIBLE COEFFICIENTS
JP4029086B2 (ja) * 2004-09-16 2008-01-09 松下電器産業株式会社 送信装置および携帯通信端末装置
US7366490B2 (en) * 2004-11-02 2008-04-29 Northrop Grumman Corporation Automatic gain control with gain stepping and regulation
US7515884B2 (en) * 2005-03-02 2009-04-07 Cisco Technology, Inc. Method and system for self-calibrating transmit power
US7468760B2 (en) * 2005-03-31 2008-12-23 Mstar Semiconductor, Inc. Apparatus and related method for level clamping control
US7961779B2 (en) * 2005-12-19 2011-06-14 L-3 Integrated Systems Company Noise-driven recovery of a digital pulse stream
US7933567B2 (en) * 2006-01-26 2011-04-26 Qualcomm, Incorporated Method and apparatus for achieving linear monotonic output power
US8920343B2 (en) 2006-03-23 2014-12-30 Michael Edward Sabatino Apparatus for acquiring and processing of physiological auditory signals
CN100367781C (zh) * 2006-04-24 2008-02-06 上海交通大学 数字自动电平增益的控制方法
EP1923993A1 (en) * 2006-11-08 2008-05-21 Dibcom Method and device for digitizing an analogical signal
US8812052B2 (en) 2007-02-27 2014-08-19 Qualcomm Incorporated SPS receiver with adjustable linearity
US8428535B1 (en) * 2007-07-30 2013-04-23 Marvell International Ltd. Receiver dynamic power management
US8626079B2 (en) * 2007-12-12 2014-01-07 Electronics And Telecommunications Research Institute Link adaptation method and apparatus in wireless communication system
JP4922985B2 (ja) * 2008-04-11 2012-04-25 株式会社アドバンテスト 修正値導出装置、方法、プログラム、記録媒体
US8565669B2 (en) 2008-06-02 2013-10-22 Qualcomm, Incorporated Methods and apparatus for power reduction in a transceiver
TWI389467B (zh) * 2009-04-08 2013-03-11 Ind Tech Res Inst 自動增益控制方法及裝置
US9231630B2 (en) 2009-05-05 2016-01-05 San Diego, CA Radio device having dynamic intermediate frequency scaling
CN101577530B (zh) * 2009-06-05 2012-09-05 中兴通讯股份有限公司 多通道功率控制电路和方法
CN101651491B (zh) * 2009-07-02 2012-07-04 中兴通讯股份有限公司 芯片预加重和均衡参数的动态调整方法及装置
WO2011112909A2 (en) 2010-03-12 2011-09-15 Sunrise Micro Devices, Inc. Power efficient communications
CN102932021A (zh) * 2012-10-10 2013-02-13 中兴通讯股份有限公司 下变频装置及其实现方法、接收机
US9363130B2 (en) * 2012-11-15 2016-06-07 Zte (Usa) Inc. Dynamic digital predistortion for a microwave radio system
RU2616472C2 (ru) * 2014-05-29 2017-04-17 Общество с ограниченной ответственностью "НПП Триада-ТВ" (ООО "НПП Триада-ТВ") Устройство формирования и передачи радиочастотных сигналов с использованием широтно-импульсной модуляции
RU2554535C1 (ru) * 2014-06-17 2015-06-27 Владимир Ервандович Мартиросов Глобально линеаризованная система синхронизации
US9831844B2 (en) * 2014-09-19 2017-11-28 Knowles Electronics, Llc Digital microphone with adjustable gain control
US9730165B2 (en) * 2016-01-12 2017-08-08 Qualcomm Incorporated Techniques for modifying transceiver power during digital pre-distortion training
CN107086859B (zh) * 2017-04-17 2020-11-20 东南大学 用于无线通信接收机的数字自动增益控制电路
RU2719419C1 (ru) * 2019-12-16 2020-04-17 Открытое акционерное общество "Межгосударственная Корпорация Развития" (ОАО"Межгосударственная Корпорация Развития") Способ автоматической регулировки усиления и устройство его реализующее

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63226124A (ja) * 1986-10-29 1988-09-20 Oki Electric Ind Co Ltd 無線装置用レベル制御回路
US5199045A (en) * 1987-06-09 1993-03-30 Canon Kabushiki Kaisha Communication apparatus
JP2624964B2 (ja) * 1987-06-09 1997-06-25 キヤノン株式会社 無線通信装置
GB2233516B (en) * 1989-06-23 1994-01-05 Orbitel Mobile Communications An automatic gain control system
US5267262A (en) * 1989-11-07 1993-11-30 Qualcomm Incorporated Transmitter power control system
US5056109A (en) * 1989-11-07 1991-10-08 Qualcomm, Inc. Method and apparatus for controlling transmission power in a cdma cellular mobile telephone system
US5257283A (en) * 1989-11-07 1993-10-26 Qualcomm Incorporated Spread spectrum transmitter power control method and system
US5129098A (en) * 1990-09-24 1992-07-07 Novatel Communication Ltd. Radio telephone using received signal strength in controlling transmission power
US5107225A (en) * 1990-11-30 1992-04-21 Qualcomm Incorporated High dynamic range closed loop automatic gain control circuit
US5287555A (en) * 1991-07-22 1994-02-15 Motorola, Inc. Power control circuitry for a TDMA radio frequency transmitter
US5278992A (en) * 1991-11-08 1994-01-11 Teknekron Communications Systems, Inc. Method and apparatus for controlling transmission power of a remote unit communicating with a base unit over a common frequency channel
US5279161A (en) * 1992-04-14 1994-01-18 Fluid Data Systems Purge gas pressure monitoring system with temperature compensation
US5452473A (en) * 1994-02-28 1995-09-19 Qualcomm Incorporated Reverse link, transmit power correction and limitation in a radiotelephone system
US5729098A (en) * 1996-06-04 1998-03-17 Motorola, Inc. Power supply and electronic ballast with a novel boost converter control circuit

Also Published As

Publication number Publication date
NZ319397A (en) 1998-07-28
CN1103136C (zh) 2003-03-12
ATE229709T1 (de) 2002-12-15
US5627857A (en) 1997-05-06
HK1015088A1 (en) 1999-10-08
AU704530B2 (en) 1999-04-29
EP0850509B9 (en) 2006-06-21
WO1997010644A1 (en) 1997-03-20
MY120901A (en) 2005-12-30
DE69625367T3 (de) 2006-11-02
KR20000064243A (ko) 2000-11-06
ES2188790T3 (es) 2003-07-01
DE69625367D1 (de) 2003-01-23
RU2158474C2 (ru) 2000-10-27
EP0850509A1 (en) 1998-07-01
AU7160996A (en) 1997-04-01
IL119239A0 (en) 1996-12-05
ZA967426B (en) 1997-03-10
IL119239A (en) 2004-05-12
CN1200848A (zh) 1998-12-02
EP0850509B2 (en) 2006-02-15
FI980592A (fi) 1998-03-18
EP0850509B1 (en) 2002-12-11
CA2233692C (en) 2007-07-24
DE69625367T2 (de) 2003-10-16
ES2188790T5 (es) 2006-11-16
UA48985C2 (uk) 2002-09-16
KR100427838B1 (ko) 2004-07-27
CA2233692A1 (en) 1997-03-20

Similar Documents

Publication Publication Date Title
FI980592A0 (fi) Lineariserad automatisk foerstaerkningsreglering
CA2157255A1 (en) Feed-forward amplifier with expanded linearity
EP1014564A3 (en) Feedforward amplifier
HK1044644A1 (en) Method and system for adjusting maximum transmit power to maintain constant margin for adjacent channel power rejection
CA2063364A1 (en) Cellular radio-telephone receiver employing improved technique for generating an indication of received signal strength
EP2267890A3 (en) Direct conversion receiver architecture
CA2051982A1 (en) Automatic gain control apparatus and method
MY135156A (en) Direct conversion with variable amplitude lo signals
CA2154877A1 (en) Radio telephone equipment
WO2003007023A3 (en) Control architecture and method for optical amplifiers
GB2343799B (en) Radio communication device and transmission power control method
WO2002005423A3 (en) Agc circuit
EP1049251A3 (en) Control device
DE69409939D1 (de) Leistungsverstärker und Radiosender
CA2032150A1 (en) Digital signal processor based agc
WO2001065699A3 (en) Automatic gain control for input to analog to digital converter
CA2293241A1 (en) Adaptive biasing in a power amplifier
ES2056743A2 (es) Metodo y dispositivo de control, automatico de ganancia en receptores de radio.
TWI268657B (en) Variable gain amplifier
EP1011207A3 (en) Transmission power control of baseband signal depending on the number of transmission codes
EP1058397A3 (en) CDMA Transmitter with means for scaling the input and output signals of a D/A converter
CA2088750A1 (en) Linearized output control of a nonlinear amplifier
GB2381162A (en) Wireless transmitter and device for mobile station
WO2004109938A3 (en) Optical receiver having an open loop automatic gain control circuit
EP0834986A3 (en) Gain control circuit and method