BR0002979A - Sistema de ajuste de carga de amplificador de potência - Google Patents
Sistema de ajuste de carga de amplificador de potênciaInfo
- Publication number
- BR0002979A BR0002979A BR0002979-3A BR0002979A BR0002979A BR 0002979 A BR0002979 A BR 0002979A BR 0002979 A BR0002979 A BR 0002979A BR 0002979 A BR0002979 A BR 0002979A
- Authority
- BR
- Brazil
- Prior art keywords
- power amplifier
- power
- adjustment system
- load adjustment
- command
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/50—Circuits using different frequencies for the two directions of communication
- H04B1/52—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
-
- 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
- H03F1/56—Modifications of input or output impedances, not otherwise provided for
- H03F1/565—Modifications of input or output impedances, not otherwise provided for using inductive elements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/18—Input circuits, e.g. for coupling to an antenna or a transmission line
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Transmitters (AREA)
- Amplifiers (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Control Of Amplification And Gain Control (AREA)
Abstract
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/358,674 US6556814B1 (en) | 1999-07-22 | 1999-07-22 | Memory-based amplifier load adjust system |
Publications (2)
Publication Number | Publication Date |
---|---|
BR0002979A true BR0002979A (pt) | 2001-07-31 |
BR0002979B1 BR0002979B1 (pt) | 2012-11-27 |
Family
ID=23410590
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0002979-3A BR0002979B1 (pt) | 1999-07-22 | 2000-07-19 | sistema de ajuste de carga de amplificador de potência. |
Country Status (7)
Country | Link |
---|---|
US (2) | US6556814B1 (pt) |
JP (1) | JP2001068942A (pt) |
KR (1) | KR100502122B1 (pt) |
CN (1) | CN1172432C (pt) |
BR (1) | BR0002979B1 (pt) |
DE (1) | DE10035066B4 (pt) |
GB (1) | GB2356094B (pt) |
Families Citing this family (71)
Publication number | Priority date | Publication date | Assignee | Title |
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GB2351404B (en) * | 1999-06-24 | 2003-11-12 | Nokia Mobile Phones Ltd | A transmitter and a modulator therefor |
US6996080B1 (en) * | 1999-07-23 | 2006-02-07 | Itt Manufacturing Enterprises, Inc. | Chip-synchronous CDMA multiplexer and method resulting in constant envelope signals |
US8064188B2 (en) | 2000-07-20 | 2011-11-22 | Paratek Microwave, Inc. | Optimized thin film capacitors |
US8744384B2 (en) * | 2000-07-20 | 2014-06-03 | Blackberry Limited | Tunable microwave devices with auto-adjusting matching circuit |
JP3881196B2 (ja) * | 2001-06-27 | 2007-02-14 | 富士通株式会社 | 無線基地局装置 |
GB0121390D0 (en) * | 2001-09-05 | 2001-10-24 | Koninkl Philips Electronics Nv | Power amplifier |
US7113033B2 (en) * | 2002-01-31 | 2006-09-26 | Qualcomm Incorporated | Variable impedance load for a variable gain radio frequency amplifier |
SE0202989D0 (sv) * | 2002-10-10 | 2002-10-10 | Allgon Mobile Comm Ab | Power amplifier efficiency |
US6794935B2 (en) | 2002-10-17 | 2004-09-21 | Motorola Inc. | Power amplification circuit and method for supplying power at a plurality of desired power output levels |
US6798295B2 (en) * | 2002-12-13 | 2004-09-28 | Cree Microwave, Inc. | Single package multi-chip RF power amplifier |
US8098114B2 (en) | 2003-03-14 | 2012-01-17 | Ntt Docomo, Inc. | Matching circuit |
US6958665B2 (en) * | 2003-04-02 | 2005-10-25 | Raytheon Company | Micro electro-mechanical system (MEMS) phase shifter |
US7342955B2 (en) * | 2003-04-23 | 2008-03-11 | Motorola Inc | Apparatus and method for mobile communication device transmission |
US6927627B2 (en) * | 2003-09-22 | 2005-08-09 | Motorola, Inc. | Amplifier power control in frequency hopping applications and methods |
US7343138B2 (en) * | 2003-12-08 | 2008-03-11 | M/A-Com, Inc. | Compensating for load pull in electromagentic signal propagation using adaptive impedance matching |
US7440729B2 (en) * | 2004-04-16 | 2008-10-21 | M/A-Com Eurotec B.V. | Apparatus, methods and articles of manufacture for output impedance matching using multi-band signal processing |
JP4175545B2 (ja) | 2004-09-03 | 2008-11-05 | ソニー・エリクソン・モバイルコミュニケーションズ株式会社 | 無線通信端末 |
JP4606843B2 (ja) * | 2004-11-01 | 2011-01-05 | 京セラ株式会社 | 無線通信モジュール、通信端末、およびインピーダンス整合方法 |
US7346317B2 (en) * | 2005-04-04 | 2008-03-18 | Freescale Semiconductor, Inc. | Dynamic gain and phase compensation for power amplifier load switching |
US20060280261A1 (en) * | 2005-06-10 | 2006-12-14 | M/A-Com Eurotec Bv. | System and method for controlling power output from a power amplifier |
DE102005050148B4 (de) | 2005-10-19 | 2010-08-12 | Infineon Technologies Ag | Sendeeinheit für ein Mobilfunkgerät, Verwendung einer Sendeeinheit in einer Sende-/Empfangseinheit in einem Mobilfunkgerät, und Verfahren zur Signalverarbeitung in einer Sendeeinheit für ein Mobilfunkgerät |
US9406444B2 (en) | 2005-11-14 | 2016-08-02 | Blackberry Limited | Thin film capacitors |
US8125399B2 (en) | 2006-01-14 | 2012-02-28 | Paratek Microwave, Inc. | Adaptively tunable antennas incorporating an external probe to monitor radiated power |
US7711337B2 (en) | 2006-01-14 | 2010-05-04 | Paratek Microwave, Inc. | Adaptive impedance matching module (AIMM) control architectures |
US8325097B2 (en) * | 2006-01-14 | 2012-12-04 | Research In Motion Rf, Inc. | Adaptively tunable antennas and method of operation therefore |
WO2007142568A1 (en) * | 2006-06-09 | 2007-12-13 | Telefonaktiebolaget Lm Ericsson (Publ) | High efficiency linear power amplifiers with load compensation |
DE102006032961A1 (de) * | 2006-07-17 | 2008-02-21 | Rohde & Schwarz Gmbh & Co. Kg | Verfahren und System zur Ermittlung der Abhängigkeit zwischen Geräteparametern eines Mobilfunkgeräts und Signalgrößen |
US8299867B2 (en) * | 2006-11-08 | 2012-10-30 | Research In Motion Rf, Inc. | Adaptive impedance matching module |
US7714676B2 (en) | 2006-11-08 | 2010-05-11 | Paratek Microwave, Inc. | Adaptive impedance matching apparatus, system and method |
US7535312B2 (en) * | 2006-11-08 | 2009-05-19 | Paratek Microwave, Inc. | Adaptive impedance matching apparatus, system and method with improved dynamic range |
US7917104B2 (en) | 2007-04-23 | 2011-03-29 | Paratek Microwave, Inc. | Techniques for improved adaptive impedance matching |
US8213886B2 (en) | 2007-05-07 | 2012-07-03 | Paratek Microwave, Inc. | Hybrid techniques for antenna retuning utilizing transmit and receive power information |
US7991363B2 (en) | 2007-11-14 | 2011-08-02 | Paratek Microwave, Inc. | Tuning matching circuits for transmitter and receiver bands as a function of transmitter metrics |
US20090267588A1 (en) * | 2008-04-23 | 2009-10-29 | Schmitz Michael J | Method and apparatus to dynamically control impedance to maximize power supply |
US8072285B2 (en) | 2008-09-24 | 2011-12-06 | Paratek Microwave, Inc. | Methods for tuning an adaptive impedance matching network with a look-up table |
US8311591B2 (en) * | 2009-05-13 | 2012-11-13 | Alcatel Lucent | Closed-loop efficiency modulation for use in network powered applications |
US8472888B2 (en) * | 2009-08-25 | 2013-06-25 | Research In Motion Rf, Inc. | Method and apparatus for calibrating a communication device |
US9026062B2 (en) | 2009-10-10 | 2015-05-05 | Blackberry Limited | Method and apparatus for managing operations of a communication device |
GB2532901B (en) * | 2009-12-08 | 2016-09-28 | Microsoft Technology Licensing Llc | Improvements relating to power amplifiers and antennas |
US8803631B2 (en) | 2010-03-22 | 2014-08-12 | Blackberry Limited | Method and apparatus for adapting a variable impedance network |
JP5901612B2 (ja) | 2010-04-20 | 2016-04-13 | ブラックベリー リミテッド | 通信デバイスにおける干渉を管理するための方法および装置 |
JP2011234155A (ja) * | 2010-04-28 | 2011-11-17 | Renesas Electronics Corp | 送信器 |
US8611834B2 (en) | 2010-11-01 | 2013-12-17 | Cree, Inc. | Matching network for transmission circuitry |
US9379454B2 (en) | 2010-11-08 | 2016-06-28 | Blackberry Limited | Method and apparatus for tuning antennas in a communication device |
US20120154070A1 (en) * | 2010-12-16 | 2012-06-21 | Sony Ericsson Mobile Communications Ab | Closed Loop Antenna Tuning Using Transmit Power Control Commands |
US8712340B2 (en) | 2011-02-18 | 2014-04-29 | Blackberry Limited | Method and apparatus for radio antenna frequency tuning |
US8655286B2 (en) | 2011-02-25 | 2014-02-18 | Blackberry Limited | Method and apparatus for tuning a communication device |
US8594584B2 (en) | 2011-05-16 | 2013-11-26 | Blackberry Limited | Method and apparatus for tuning a communication device |
US8626083B2 (en) | 2011-05-16 | 2014-01-07 | Blackberry Limited | Method and apparatus for tuning a communication device |
WO2013022826A1 (en) | 2011-08-05 | 2013-02-14 | Research In Motion Rf, Inc. | Method and apparatus for band tuning in a communication device |
CN102355223B (zh) * | 2011-08-10 | 2014-08-27 | 锐迪科创微电子(北京)有限公司 | 一种单芯片gsm射频天线开关模块及gsm射频前端 |
US8843085B2 (en) * | 2011-09-09 | 2014-09-23 | Ethertronics, Inc. | Pre-optimization of transmit circuits |
CN102427338B (zh) * | 2011-09-26 | 2015-05-20 | 无锡易芯微电子有限公司 | 自动变换输入阻抗的信号放大器及其实现方法 |
US8957733B2 (en) * | 2011-10-27 | 2015-02-17 | Marvell World Trade Ltd. | Systems and methods for performing multi-modal power amplification |
US8948889B2 (en) | 2012-06-01 | 2015-02-03 | Blackberry Limited | Methods and apparatus for tuning circuit components of a communication device |
CN103532495B (zh) * | 2012-07-02 | 2016-12-21 | 华为终端有限公司 | 一种调整功率放大器电压的方法、装置及系统 |
US9853363B2 (en) | 2012-07-06 | 2017-12-26 | Blackberry Limited | Methods and apparatus to control mutual coupling between antennas |
US9246223B2 (en) | 2012-07-17 | 2016-01-26 | Blackberry Limited | Antenna tuning for multiband operation |
US9350405B2 (en) | 2012-07-19 | 2016-05-24 | Blackberry Limited | Method and apparatus for antenna tuning and power consumption management in a communication device |
US9413066B2 (en) | 2012-07-19 | 2016-08-09 | Blackberry Limited | Method and apparatus for beam forming and antenna tuning in a communication device |
US9362891B2 (en) | 2012-07-26 | 2016-06-07 | Blackberry Limited | Methods and apparatus for tuning a communication device |
US9374113B2 (en) | 2012-12-21 | 2016-06-21 | Blackberry Limited | Method and apparatus for adjusting the timing of radio antenna tuning |
US10404295B2 (en) | 2012-12-21 | 2019-09-03 | Blackberry Limited | Method and apparatus for adjusting the timing of radio antenna tuning |
US9131452B2 (en) * | 2013-10-25 | 2015-09-08 | Motorola Solutions, Inc. | Method and apparatus for adjusting transmission power in a two-way device based on battery impedance |
US9438319B2 (en) | 2014-12-16 | 2016-09-06 | Blackberry Limited | Method and apparatus for antenna selection |
CN105099582B (zh) * | 2015-07-20 | 2018-06-01 | 联想(北京)有限公司 | 一种负载设置方法及系统 |
US10644756B2 (en) * | 2018-07-30 | 2020-05-05 | Nxp B.V. | Transmitter calibration for NFC (near field communication) device |
CN111371416B (zh) * | 2020-03-18 | 2024-04-30 | 锐石创芯(深圳)科技股份有限公司 | 一种可切换输出阻抗的偏置网络、控制方法及功率放大器系统 |
CN112148052B (zh) * | 2020-09-28 | 2022-10-11 | 刘承鑫 | 一种便携式可调的稳定交流高压产生系统 |
US20220385237A1 (en) * | 2021-05-26 | 2022-12-01 | Skyworks Solutions, Inc. | Load modulated power amplifiers |
CN115567079A (zh) * | 2022-10-13 | 2023-01-03 | 维沃移动通信有限公司 | 调测方法、调测装置、电子设备和可读存储介质 |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS5851453B2 (ja) * | 1980-09-29 | 1983-11-16 | 日本電信電話株式会社 | 送信装置 |
JPS63253730A (ja) * | 1987-04-09 | 1988-10-20 | Nec Corp | 電力増幅器 |
US4965607A (en) * | 1987-04-30 | 1990-10-23 | Br Communications, Inc. | Antenna coupler |
JPS63272107A (ja) * | 1987-04-30 | 1988-11-09 | Hitachi Ltd | 高周波電力増幅器 |
DE8916266U1 (de) * | 1988-11-17 | 1996-06-05 | Motorola, Inc., Schaumburg, Ill. | Leistungsverstärker für Funkfrequenzsignale |
US5170496A (en) * | 1989-06-22 | 1992-12-08 | Texas Instruments Deutschland Gmbh | Circuit arrangement for matching the resonant frequency of an antenna resonant circuit to the output frequency of a transmitter output stage |
US5276912A (en) * | 1990-02-06 | 1994-01-04 | Motorola, Inc. | Radio frequency power amplifier having variable output power |
JP2647730B2 (ja) * | 1990-06-01 | 1997-08-27 | ソニー株式会社 | 移動電話装置 |
JPH0480140U (pt) * | 1990-11-26 | 1992-07-13 | ||
JPH05343929A (ja) * | 1992-06-10 | 1993-12-24 | Fujitsu Ltd | 電力増幅器 |
US5564086A (en) * | 1993-11-29 | 1996-10-08 | Motorola, Inc. | Method and apparatus for enhancing an operating characteristic of a radio transmitter |
JP2728018B2 (ja) * | 1995-04-18 | 1998-03-18 | 日本電気株式会社 | 送信回路 |
US5673001A (en) | 1995-06-07 | 1997-09-30 | Motorola, Inc. | Method and apparatus for amplifying a signal |
EP0795956B1 (en) * | 1995-09-29 | 2003-10-29 | Matsushita Electric Industrial Co., Ltd. | Power amplifier and communication device |
JPH09232887A (ja) * | 1996-02-28 | 1997-09-05 | Matsushita Electron Corp | 高周波電力増幅器 |
US6246727B1 (en) * | 1996-07-10 | 2001-06-12 | Allgon Ab | Method and system for tuning resonance modules |
US20010028252A1 (en) * | 1996-10-18 | 2001-10-11 | Pertti K. Ikalainen | Impedance adapting circuit |
US5880635A (en) * | 1997-04-16 | 1999-03-09 | Sony Corporation | Apparatus for optimizing the performance of a power amplifier |
JP3171141B2 (ja) * | 1997-06-06 | 2001-05-28 | 日本電気株式会社 | 移動体通信用送信機およびその制御方法 |
JPH1155131A (ja) | 1997-08-06 | 1999-02-26 | Nec Corp | 無線送信電力制御装置 |
DE19757142A1 (de) * | 1997-12-20 | 1999-07-08 | Philips Patentverwaltung | Mobilfunkgerät |
FI990687A (fi) * | 1999-03-29 | 2000-09-30 | Nokia Mobile Phones Ltd | Langattoman viestimen antennin sovitusjärjestelmä |
US6160449A (en) * | 1999-07-22 | 2000-12-12 | Motorola, Inc. | Power amplifying circuit with load adjust for control of adjacent and alternate channel power |
US6252456B1 (en) * | 1999-07-29 | 2001-06-26 | Motorola, Inc. | Power amplifier load controller and method for controlling a power amplifier load |
-
1999
- 1999-07-22 US US09/358,674 patent/US6556814B1/en not_active Expired - Lifetime
-
2000
- 2000-07-14 GB GB0017423A patent/GB2356094B/en not_active Expired - Lifetime
- 2000-07-17 DE DE10035066A patent/DE10035066B4/de not_active Expired - Lifetime
- 2000-07-18 JP JP2000216760A patent/JP2001068942A/ja active Pending
- 2000-07-19 BR BRPI0002979-3A patent/BR0002979B1/pt not_active IP Right Cessation
- 2000-07-21 CN CNB001213504A patent/CN1172432C/zh not_active Expired - Lifetime
- 2000-07-22 KR KR10-2000-0042219A patent/KR100502122B1/ko active IP Right Grant
-
2003
- 2003-04-29 US US10/425,477 patent/US20030199256A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
JP2001068942A (ja) | 2001-03-16 |
CN1172432C (zh) | 2004-10-20 |
DE10035066B4 (de) | 2009-07-16 |
DE10035066A1 (de) | 2001-03-15 |
KR20010015417A (ko) | 2001-02-26 |
GB2356094B (en) | 2002-02-13 |
KR100502122B1 (ko) | 2005-07-19 |
US20030199256A1 (en) | 2003-10-23 |
BR0002979B1 (pt) | 2012-11-27 |
GB0017423D0 (en) | 2000-08-30 |
GB2356094A (en) | 2001-05-09 |
CN1282139A (zh) | 2001-01-31 |
US6556814B1 (en) | 2003-04-29 |
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Legal Events
Date | Code | Title | Description |
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B06A | Patent application procedure suspended [chapter 6.1 patent gazette] | ||
B15K | Others concerning applications: alteration of classification |
Free format text: ALTERADA A CLASSIFICACAO DE H03G 3/30 E H03F 3/21 PARA INT. CL. 2011.01: H03F 1/02 E H03F 1/56. Ipc: H03F 1/02 (2006.01), H03F 1/56 (2006.01) |
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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 27/11/2012, MEDIANTE O RECOLHIMENTO DA TAXA QUINQUENAL DE MANUTENCAO (ARTIGOS 119 E 120 DA LPI) E OBSERVADAS AS DEMAIS CONDICOES LEGAIS. |
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B25G | Requested change of headquarter approved | ||
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B25A | Requested transfer of rights approved | ||
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B24J | Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12) |
Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2679 DE 10-05-2022 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013. |