SE9602584L - Anordning och förfarande vid radiosändare för styrning av effektförstärkare - Google Patents

Anordning och förfarande vid radiosändare för styrning av effektförstärkare

Info

Publication number
SE9602584L
SE9602584L SE9602584A SE9602584A SE9602584L SE 9602584 L SE9602584 L SE 9602584L SE 9602584 A SE9602584 A SE 9602584A SE 9602584 A SE9602584 A SE 9602584A SE 9602584 L SE9602584 L SE 9602584L
Authority
SE
Sweden
Prior art keywords
signal
amplifier
amplitude
radio
power
Prior art date
Application number
SE9602584A
Other languages
Unknown language ( )
English (en)
Other versions
SE506842C2 (sv
SE9602584D0 (sv
Inventor
Torsten John Carlsson
Leif Martin Hellmark
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE9602584A priority Critical patent/SE506842C2/sv
Publication of SE9602584D0 publication Critical patent/SE9602584D0/sv
Priority to DE69736469T priority patent/DE69736469T2/de
Priority to AU33652/97A priority patent/AU724097B2/en
Priority to PL97330732A priority patent/PL183774B1/pl
Priority to HK99104399.1A priority patent/HK1019272B/xx
Priority to EE9800450A priority patent/EE03364B1/xx
Priority to ES97929640T priority patent/ES2270464T3/es
Priority to PCT/SE1997/000982 priority patent/WO1998000929A1/en
Priority to EP97929640A priority patent/EP0901721B1/en
Priority to BRPI9710044-7A priority patent/BR9710044B1/pt
Priority to JP50402898A priority patent/JP4203968B2/ja
Priority to CN97195928A priority patent/CN1111975C/zh
Priority to MYPI97002604A priority patent/MY119218A/en
Priority to US08/880,740 priority patent/US6047168A/en
Publication of SE9602584L publication Critical patent/SE9602584L/sv
Publication of SE506842C2 publication Critical patent/SE506842C2/sv

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

Landscapes

  • Transmitters (AREA)
  • Amplifiers (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Radar Systems Or Details Thereof (AREA)
SE9602584A 1996-06-28 1996-06-28 Anordning och förfarande vid radiosändare för styrning av effektförstärkare SE506842C2 (sv)

Priority Applications (14)

Application Number Priority Date Filing Date Title
SE9602584A SE506842C2 (sv) 1996-06-28 1996-06-28 Anordning och förfarande vid radiosändare för styrning av effektförstärkare
CN97195928A CN1111975C (zh) 1996-06-28 1997-06-04 用于无线发射机中的设备及方法
ES97929640T ES2270464T3 (es) 1996-06-28 1997-06-04 Dispositivo y metodo para transmisores de radio.
EP97929640A EP0901721B1 (en) 1996-06-28 1997-06-04 Device and method for radio transmitters
PL97330732A PL183774B1 (pl) 1996-06-28 1997-06-04 Sposób i urządzenie do nadawania transmisji radiowej
HK99104399.1A HK1019272B (en) 1996-06-28 1997-06-04 Device and method for radio transmitters
EE9800450A EE03364B1 (et) 1996-06-28 1997-06-04 Seade ja meetod raadioedastusseadmete jaoks
DE69736469T DE69736469T2 (de) 1996-06-28 1997-06-04 Vorrichtung und verfahren für funksender
PCT/SE1997/000982 WO1998000929A1 (en) 1996-06-28 1997-06-04 Device and method for radio transmitters
AU33652/97A AU724097B2 (en) 1996-06-28 1997-06-04 Device and method for radio transmitters
BRPI9710044-7A BR9710044B1 (pt) 1996-06-28 1997-06-04 rÁdio transmissor e processo em um estÁgio transmissor em um rÁdio transmissor para modular e amplificar um sinal de informaÇço em um sinal de antena para transmissço adicional atravÉs de um canal de rÁdio.
JP50402898A JP4203968B2 (ja) 1996-06-28 1997-06-04 無線送信器に関する装置および方法
MYPI97002604A MY119218A (en) 1996-06-28 1997-06-12 Device and method for radio transmitters
US08/880,740 US6047168A (en) 1996-06-28 1997-06-23 Device and method for radio transmitters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9602584A SE506842C2 (sv) 1996-06-28 1996-06-28 Anordning och förfarande vid radiosändare för styrning av effektförstärkare

Publications (3)

Publication Number Publication Date
SE9602584D0 SE9602584D0 (sv) 1996-06-28
SE9602584L true SE9602584L (sv) 1997-12-29
SE506842C2 SE506842C2 (sv) 1998-02-16

Family

ID=20403218

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9602584A SE506842C2 (sv) 1996-06-28 1996-06-28 Anordning och förfarande vid radiosändare för styrning av effektförstärkare

Country Status (13)

Country Link
US (1) US6047168A (sv)
EP (1) EP0901721B1 (sv)
JP (1) JP4203968B2 (sv)
CN (1) CN1111975C (sv)
AU (1) AU724097B2 (sv)
BR (1) BR9710044B1 (sv)
DE (1) DE69736469T2 (sv)
EE (1) EE03364B1 (sv)
ES (1) ES2270464T3 (sv)
MY (1) MY119218A (sv)
PL (1) PL183774B1 (sv)
SE (1) SE506842C2 (sv)
WO (1) WO1998000929A1 (sv)

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JPH1155131A (ja) * 1997-08-06 1999-02-26 Nec Corp 無線送信電力制御装置
US6430402B1 (en) * 1998-09-14 2002-08-06 Conexant Systems, Inc. Power amplifier saturation prevention method, apparatus, and communication system incorporating the same
US6864668B1 (en) 1999-02-09 2005-03-08 Tropian, Inc. High-efficiency amplifier output level and burst control
US6377784B2 (en) 1999-02-09 2002-04-23 Tropian, Inc. High-efficiency modulation RF amplifier
EP1087536B1 (en) * 1999-04-02 2004-02-04 Mitsubishi Denki Kabushiki Kaisha Mobile communication terminal
DE19916902B4 (de) * 1999-04-14 2015-08-20 Siemens Aktiengesellschaft Verstärkereinrichtung mit veränderbarer Arbeitspunkteinstellung sowie Verwendung der Verstärkereinrichtung
US6285255B1 (en) * 1999-11-02 2001-09-04 Harris Corporation Adaptive compensation for carrier signal phase distortion
US6366177B1 (en) 2000-02-02 2002-04-02 Tropian Inc. High-efficiency power modulators
US6630867B2 (en) 2000-02-24 2003-10-07 Skyworks Solutions, Inc. Power amplifier with provisions for varying operating voltage based upon power amplifier output power
US6684064B2 (en) * 2000-03-29 2004-01-27 Interdigital Technology Corp. Dynamic bias for RF power amplifiers
US6707857B1 (en) * 2000-07-14 2004-03-16 Ericsson Inc. Reference signal pre-distortion for transmitter with frequency synthesizer based phase encoding
US6670849B1 (en) 2000-08-30 2003-12-30 Skyworks Solutions, Inc. System for closed loop power control using a linear or a non-linear power amplifier
DE10056472A1 (de) * 2000-11-15 2002-05-29 Infineon Technologies Ag Polar-Loop-Sendeschaltung
US7020070B2 (en) * 2001-04-10 2006-03-28 Telefonaktiebolaget L M Ericsson (Publ) Selectively controlled modulation distortion of an IQ-baseband signal
EP1263133B1 (en) * 2001-05-31 2009-05-06 Thomson Licensing Audio amplifier with output power limiter
WO2003001662A1 (en) * 2001-06-22 2003-01-03 Telefonaktiebolaget Lm Ericsson (Publ) Gain control of a power amplifier
US6828859B2 (en) * 2001-08-17 2004-12-07 Silicon Laboratories, Inc. Method and apparatus for protecting devices in an RF power amplifier
US6956907B2 (en) * 2001-10-15 2005-10-18 Qualcomm, Incorporated Method and apparatus for determining power allocation in a MIMO communication system
US7088968B2 (en) * 2001-12-12 2006-08-08 Intel Corporation Method and polar-loop transmitter with origin offset for zero-crossing signals
US6566944B1 (en) * 2002-02-21 2003-05-20 Ericsson Inc. Current modulator with dynamic amplifier impedance compensation
US7340265B2 (en) 2002-02-28 2008-03-04 Atheros Communications, Inc. Method and apparatus for transient frequency distortion compensation
EP1367842A1 (de) * 2002-05-29 2003-12-03 Siemens Aktiengesellschaft Schaltungsanordnung zum Umschalten eines Mobilfunksenders zwischen zwei Modulationsbetriebsarten
US7071783B2 (en) * 2002-07-19 2006-07-04 Micro Mobio Corporation Temperature-compensated power sensing circuit for power amplifiers
US6931267B2 (en) * 2002-11-25 2005-08-16 Broadcom Corporation Bias filtering module including MOS capacitors
US6894565B1 (en) * 2002-12-03 2005-05-17 Silicon Laboratories, Inc. Fast settling power amplifier regulator
US6859098B2 (en) * 2003-01-17 2005-02-22 M/A-Com, Inc. Apparatus, methods and articles of manufacture for control in an electromagnetic processor
EP1450479B1 (en) * 2003-02-20 2012-03-28 Sony Ericsson Mobile Communications AB Efficient modulation of RF signals
US6897730B2 (en) * 2003-03-04 2005-05-24 Silicon Laboratories Inc. Method and apparatus for controlling the output power of a power amplifier
US7076698B2 (en) * 2003-05-21 2006-07-11 Agere Systems, Inc. Vector monitor, related method of controlling a transmitter and transmitter employing the same
ES2221568B2 (es) * 2003-05-26 2005-07-16 Diseño De Sistemas En Silicio, S.A. Procedimiento de reduccion de la varianza de la estimacion de la relacion señal a ruido de una señal con modulacion diferencial en fase y coherente en amplitud.
US7110724B1 (en) * 2004-12-16 2006-09-19 Rf Micro Devices, Inc. System and method for detecting compression of a power amplifier circuit
JP4623507B2 (ja) * 2005-04-18 2011-02-02 ルネサスエレクトロニクス株式会社 通信用半導体集積回路および携帯通信端末
US7412215B1 (en) * 2005-06-03 2008-08-12 Rf Micro Devices, Inc. System and method for transitioning from one PLL feedback source to another
US7539462B2 (en) * 2005-08-09 2009-05-26 Freescale Semiconductor, Inc. Configurable multi-mode modulation system and transmitter
WO2008081632A1 (ja) * 2006-12-27 2008-07-10 Panasonic Corporation ポーラ変調送信装置
US8463189B2 (en) * 2007-07-31 2013-06-11 Texas Instruments Incorporated Predistortion calibration and built in self testing of a radio frequency power amplifier using subharmonic mixing
EP2555421B1 (en) 2010-05-06 2018-01-10 Huawei Technologies Co., Ltd. Method, device and system for polarizing signal
CN104185953B (zh) 2012-02-09 2016-08-17 天工方案公司 用于包络跟踪的装置和方法
US10270394B2 (en) 2015-12-30 2019-04-23 Skyworks Solutions, Inc. Automated envelope tracking system
CN108733852A (zh) * 2017-04-17 2018-11-02 天津大学（青岛）海洋工程研究院有限公司 一种基于极限学习机的功率放大器行为建模方法

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US4367443A (en) * 1980-01-17 1983-01-04 Motorola, Inc. Radio frequency signal power amplifier
US4521912A (en) * 1983-06-09 1985-06-04 General Electric Company Low power indicating circuit for a radio transmitter
JPH0644716B2 (ja) * 1984-08-14 1994-06-08 日本電気株式会社 無線通信装置
FI85316C (sv) * 1989-05-12 1992-03-25 Nokia Mobira Oy Koppling för utvidgning av effektområdet hos en sändare
FI81931C (sv) * 1989-05-12 1990-12-10 Nokia Mobira Oy Förfarande för alstring av låga effektnivåer i sändaren av en radiotel efon
US5129098A (en) * 1990-09-24 1992-07-07 Novatel Communication Ltd. Radio telephone using received signal strength in controlling transmission power
US5307512A (en) * 1991-06-03 1994-04-26 Motorola, Inc. Power control circuitry for achieving wide dynamic range in a transmitter
CA2127189A1 (en) * 1993-08-06 1995-02-07 James John Crnkovic Apparatus and method for attenuating an undesired signal in a radio transceiver
JPH07212257A (ja) * 1994-01-21 1995-08-11 Uniden Corp 送信機の異常送信停止回路
US5430416A (en) * 1994-02-23 1995-07-04 Motorola Power amplifier having nested amplitude modulation controller and phase modulation controller
US5452473A (en) * 1994-02-28 1995-09-19 Qualcomm Incorporated Reverse link, transmit power correction and limitation in a radiotelephone system
EP0720287B1 (en) * 1994-12-29 2003-01-15 AT&T Corp. Wide dynamic range power amplifier
US5880635A (en) * 1997-04-16 1999-03-09 Sony Corporation Apparatus for optimizing the performance of a power amplifier

Also Published As

Publication number Publication date
CN1223759A (zh) 1999-07-21
HK1019272A1 (en) 2000-01-28
PL183774B1 (pl) 2002-07-31
EP0901721B1 (en) 2006-08-09
CN1111975C (zh) 2003-06-18
WO1998000929A1 (en) 1998-01-08
BR9710044B1 (pt) 2010-02-23
BR9710044A (pt) 1999-08-10
PL330732A1 (en) 1999-05-24
MY119218A (en) 2005-04-30
SE506842C2 (sv) 1998-02-16
SE9602584D0 (sv) 1996-06-28
EE03364B1 (et) 2001-02-15
EP0901721A1 (en) 1999-03-17
AU3365297A (en) 1998-01-21
JP4203968B2 (ja) 2009-01-07
US6047168A (en) 2000-04-04
ES2270464T3 (es) 2007-04-01
AU724097B2 (en) 2000-09-14
JP2000514963A (ja) 2000-11-07
DE69736469T2 (de) 2007-01-04
DE69736469D1 (de) 2006-09-21

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NUG Patent has lapsed