SE9602584D0 - Anordning och förfarande vid radiosändare - Google Patents
Anordning och förfarande vid radiosändareInfo
- Publication number
- SE9602584D0 SE9602584D0 SE9602584A SE9602584A SE9602584D0 SE 9602584 D0 SE9602584 D0 SE 9602584D0 SE 9602584 A SE9602584 A SE 9602584A SE 9602584 A SE9602584 A SE 9602584A SE 9602584 D0 SE9602584 D0 SE 9602584D0
- Authority
- SE
- Sweden
- Prior art keywords
- signal
- amplifier
- amplitude
- radio
- power
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 abstract 1
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)
- Radar Systems Or Details Thereof (AREA)
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 |
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 |
CN97195928A CN1111975C (zh) | 1996-06-28 | 1997-06-04 | 用于无线发射机中的设备及方法 |
EP97929640A EP0901721B1 (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. |
EE9800450A EE03364B1 (et) | 1996-06-28 | 1997-06-04 | Seade ja meetod raadioedastusseadmete jaoks |
PL97330732A PL183774B1 (pl) | 1996-06-28 | 1997-06-04 | Sposób i urządzenie do nadawania transmisji radiowej |
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 |
ES97929640T ES2270464T3 (es) | 1996-06-28 | 1997-06-04 | Dispositivo y metodo para transmisores de radio. |
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 |
HK99104399A HK1019272A1 (en) | 1996-06-28 | 1999-10-07 | 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 true SE9602584D0 (sv) | 1996-06-28 |
SE9602584L 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 (14)
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) |
HK (1) | HK1019272A1 (sv) |
MY (1) | MY119218A (sv) |
PL (1) | PL183774B1 (sv) |
SE (1) | SE506842C2 (sv) |
WO (1) | WO1998000929A1 (sv) |
Families Citing this family (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
WO2000060753A1 (fr) * | 1999-04-02 | 2000-10-12 | Mitsubishi Denki Kabushiki Kaisha | Terminal de communication mobile |
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 |
US7138863B2 (en) * | 2001-06-22 | 2006-11-21 | 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 |
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 |
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 |
WO2011137588A1 (zh) * | 2010-05-06 | 2011-11-10 | 华为技术有限公司 | 一种信号极化方法、装置和系统 |
WO2013119587A1 (en) | 2012-02-09 | 2013-08-15 | Skyworks Solutions, Inc. | Apparatus and methods for envelope tracking |
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 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
FI81931C (sv) * | 1989-05-12 | 1990-12-10 | Nokia Mobira Oy | Förfarande för alstring av låga effektnivåer i sändaren av en radiotel efon |
FI85316C (sv) * | 1989-05-12 | 1992-03-25 | Nokia Mobira Oy | Koppling för utvidgning av effektområdet hos en sändare |
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 |
-
1996
- 1996-06-28 SE SE9602584A patent/SE506842C2/sv not_active IP Right Cessation
-
1997
- 1997-06-04 EP EP97929640A patent/EP0901721B1/en not_active Expired - Lifetime
- 1997-06-04 WO PCT/SE1997/000982 patent/WO1998000929A1/en active IP Right Grant
- 1997-06-04 CN CN97195928A patent/CN1111975C/zh not_active Expired - Lifetime
- 1997-06-04 PL PL97330732A patent/PL183774B1/pl unknown
- 1997-06-04 EE EE9800450A patent/EE03364B1/xx unknown
- 1997-06-04 DE DE69736469T patent/DE69736469T2/de not_active Expired - Lifetime
- 1997-06-04 JP JP50402898A patent/JP4203968B2/ja not_active Expired - Lifetime
- 1997-06-04 ES ES97929640T patent/ES2270464T3/es not_active Expired - Lifetime
- 1997-06-04 AU AU33652/97A patent/AU724097B2/en not_active Expired
- 1997-06-04 BR BRPI9710044-7A patent/BR9710044B1/pt not_active IP Right Cessation
- 1997-06-12 MY MYPI97002604A patent/MY119218A/en unknown
- 1997-06-23 US US08/880,740 patent/US6047168A/en not_active Expired - Lifetime
-
1999
- 1999-10-07 HK HK99104399A patent/HK1019272A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0901721A1 (en) | 1999-03-17 |
BR9710044A (pt) | 1999-08-10 |
SE9602584L (sv) | 1997-12-29 |
JP4203968B2 (ja) | 2009-01-07 |
WO1998000929A1 (en) | 1998-01-08 |
SE506842C2 (sv) | 1998-02-16 |
DE69736469T2 (de) | 2007-01-04 |
JP2000514963A (ja) | 2000-11-07 |
DE69736469D1 (de) | 2006-09-21 |
PL183774B1 (pl) | 2002-07-31 |
EE03364B1 (et) | 2001-02-15 |
BR9710044B1 (pt) | 2010-02-23 |
EP0901721B1 (en) | 2006-08-09 |
US6047168A (en) | 2000-04-04 |
CN1223759A (zh) | 1999-07-21 |
AU724097B2 (en) | 2000-09-14 |
PL330732A1 (en) | 1999-05-24 |
ES2270464T3 (es) | 2007-04-01 |
CN1111975C (zh) | 2003-06-18 |
AU3365297A (en) | 1998-01-21 |
MY119218A (en) | 2005-04-30 |
HK1019272A1 (en) | 2000-01-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |