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BR9710044A - Rádio transmissor e processo em um estágio transmissor em um rádio transmissor para modular e amplificar um sinal de informação em um sinal de antena para transmissão adicional através de um canal de rádio - Google Patents

Rádio transmissor e processo em um estágio transmissor em um rádio transmissor para modular e amplificar um sinal de informação em um sinal de antena para transmissão adicional através de um canal de rádio

Info

Publication number
BR9710044A
BR9710044A BR9710044A BR9710044A BR9710044A BR 9710044 A BR9710044 A BR 9710044A BR 9710044 A BR9710044 A BR 9710044A BR 9710044 A BR9710044 A BR 9710044A BR 9710044 A BR9710044 A BR 9710044A
Authority
BR
Brazil
Prior art keywords
transmitter
radio
amplify
modulate
further transmission
Prior art date
Application number
BR9710044A
Other languages
English (en)
Other versions
BR9710044B1 (pt
Inventor
Torsten John Carlsson
Martin Leif 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
Publication of BR9710044A publication Critical patent/BR9710044A/pt
Publication of BR9710044B1 publication Critical patent/BR9710044B1/pt

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
BRPI9710044-7A 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. BR9710044B1 (pt)

Applications Claiming Priority (3)

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
SE9602584-6 1996-06-28
PCT/SE1997/000982 WO1998000929A1 (en) 1996-06-28 1997-06-04 Device and method for radio transmitters

Publications (2)

Publication Number Publication Date
BR9710044A true BR9710044A (pt) 1999-08-10
BR9710044B1 BR9710044B1 (pt) 2010-02-23

Family

ID=20403218

Family Applications (1)

Application Number Title Priority Date Filing Date
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.

Country Status (13)

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

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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
JP3822057B2 (ja) * 1999-04-02 2006-09-13 三菱電機株式会社 移動通信端末装置
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
DE60138604D1 (de) * 2001-05-31 2009-06-18 Thomson Licensing Audioverstärker mit Begrenzung der Ausgangsleistung
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
EP2045914B1 (en) * 2006-12-27 2017-05-31 Panasonic Intellectual Property Management Co., Ltd. Polar-modulation transmission device
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
CN102439846B (zh) 2010-05-06 2014-03-12 华为技术有限公司 一种信号极化方法、装置和系统
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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US4521912A (en) * 1983-06-09 1985-06-04 General Electric Company Low power indicating circuit for a radio transmitter
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FI81931C (fi) * 1989-05-12 1990-12-10 Nokia Mobira Oy Foerfarande foer alstring av laoga effektnivaoer i saendaren av en radiotelefon.
FI85316C (fi) * 1989-05-12 1992-03-25 Nokia Mobira Oy Koppling foer utvidgning av effektomraodet hos en saendare.
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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
DE69529395T2 (de) * 1994-12-29 2003-11-20 At & T Corp., New York Leistungsverstärker mit grosser Dynamik
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
SE9602584L (sv) 1997-12-29
EP0901721B1 (en) 2006-08-09
JP2000514963A (ja) 2000-11-07
HK1019272A1 (en) 2000-01-28
ES2270464T3 (es) 2007-04-01
EE03364B1 (et) 2001-02-15
SE506842C2 (sv) 1998-02-16
WO1998000929A1 (en) 1998-01-08
CN1111975C (zh) 2003-06-18
JP4203968B2 (ja) 2009-01-07
BR9710044B1 (pt) 2010-02-23
EP0901721A1 (en) 1999-03-17
AU724097B2 (en) 2000-09-14
DE69736469D1 (de) 2006-09-21
MY119218A (en) 2005-04-30
CN1223759A (zh) 1999-07-21
PL330732A1 (en) 1999-05-24
AU3365297A (en) 1998-01-21
DE69736469T2 (de) 2007-01-04
US6047168A (en) 2000-04-04
PL183774B1 (pl) 2002-07-31
SE9602584D0 (sv) 1996-06-28

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Legal Events

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B15K Others concerning applications: alteration of classification

Free format text: AALTERADA PARA INT.CL.2008.04 - H03F 1/32

Ipc: H03F 1/32 (2008.04)

B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 23/02/2010, OBSERVADAS AS CONDICOES LEGAIS.

B25A Requested transfer of rights approved

Owner name: CLUSTER LLC (US)

B25A Requested transfer of rights approved

Owner name: OPTIS WIRELESS TECHNOLOGY, LLC (US)

B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 23.02.2020