BR0003788A - Circuito de amplificação de potência e método de amplificação de um sinal de frequência de rádio - Google Patents
Circuito de amplificação de potência e método de amplificação de um sinal de frequência de rádioInfo
- Publication number
- BR0003788A BR0003788A BR0003788-5A BR0003788A BR0003788A BR 0003788 A BR0003788 A BR 0003788A BR 0003788 A BR0003788 A BR 0003788A BR 0003788 A BR0003788 A BR 0003788A
- Authority
- BR
- Brazil
- Prior art keywords
- amplification circuit
- peak
- radio frequency
- power amplification
- frequency signal
- 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
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
- H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Amplifiers (AREA)
- Transmitters (AREA)
- Control Of Amplification And Gain Control (AREA)
Abstract
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/358,884 US6160449A (en) | 1999-07-22 | 1999-07-22 | Power amplifying circuit with load adjust for control of adjacent and alternate channel power |
Publications (2)
Publication Number | Publication Date |
---|---|
BR0003788A true BR0003788A (pt) | 2001-03-13 |
BR0003788B1 BR0003788B1 (pt) | 2013-02-19 |
Family
ID=23411447
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0003788-5A BR0003788B1 (pt) | 1999-07-22 | 2000-07-21 | circuito de amplificaÇço de potÊncia e mÉtodo de amplificaÇço de um sinal de freqÜÊncia de rÁdio. |
Country Status (8)
Country | Link |
---|---|
US (1) | US6160449A (pt) |
JP (1) | JP4611496B2 (pt) |
KR (1) | KR100372856B1 (pt) |
CN (1) | CN1185788C (pt) |
BR (1) | BR0003788B1 (pt) |
DE (1) | DE10035060B4 (pt) |
FR (1) | FR2797360B1 (pt) |
GB (1) | GB2352897B (pt) |
Families Citing this family (86)
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US6525605B2 (en) * | 1998-08-19 | 2003-02-25 | Harris Corporation | Power amplifier system having frequency and amplifier failure compensation |
US6556814B1 (en) * | 1999-07-22 | 2003-04-29 | Motorola, Inc. | Memory-based amplifier load adjust system |
US6349216B1 (en) * | 1999-07-22 | 2002-02-19 | Motorola, Inc. | Load envelope following amplifier system |
US6987966B1 (en) * | 1999-10-21 | 2006-01-17 | Broadcom Corporation | Adaptive radio transceiver with polyphase calibration |
US7555263B1 (en) | 1999-10-21 | 2009-06-30 | Broadcom Corporation | Adaptive radio transceiver |
US6856199B2 (en) * | 2000-10-10 | 2005-02-15 | California Institute Of Technology | Reconfigurable distributed active transformers |
GB2368737B (en) * | 2000-10-31 | 2004-11-10 | Roke Manor Research | Method and apparatus for controlling an amplifier |
US6504426B2 (en) | 2001-03-28 | 2003-01-07 | Guy Picha | Methods and systems for power amplifying of signals |
ES2323566T3 (es) * | 2001-04-06 | 2009-07-21 | Telefonaktiebolaget Lm Ericsson (Publ) | Metodo y aparato para aumentar la eficiencia de un transmisor. |
WO2002082637A1 (en) * | 2001-04-06 | 2002-10-17 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for increasing the efficiency of a transmitter |
US6680652B2 (en) * | 2001-08-06 | 2004-01-20 | Rf Micro Devices, Inc. | Load switching for transmissions with different peak-to-average power ratios |
US7362818B1 (en) * | 2001-08-30 | 2008-04-22 | Nortel Networks Limited | Amplitude and phase comparator for microwave power amplifier |
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DE60226317T2 (de) * | 2002-08-01 | 2009-06-25 | Telefonaktiebolaget Lm Ericsson (Publ) | Schaltung für leistungsverstärker |
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US7993108B2 (en) | 2002-10-09 | 2011-08-09 | Abbott Diabetes Care Inc. | Variable volume, shape memory actuated insulin dispensing pump |
US7727181B2 (en) | 2002-10-09 | 2010-06-01 | Abbott Diabetes Care Inc. | Fluid delivery device with autocalibration |
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DE10260291A1 (de) * | 2002-12-20 | 2004-07-01 | Siemens Ag | Elektronische Schaltung zur Informantionsübertragung |
GB2398648B (en) | 2003-02-19 | 2005-11-09 | Nujira Ltd | Power supply stage for an amplifier |
FI115935B (fi) * | 2003-02-25 | 2005-08-15 | Nokia Corp | Menetelmä ja laite tehovahvistimen ominaisuuksien säätämiseksi |
US7679407B2 (en) | 2003-04-28 | 2010-03-16 | Abbott Diabetes Care Inc. | Method and apparatus for providing peak detection circuitry for data communication systems |
US8071028B2 (en) | 2003-06-12 | 2011-12-06 | Abbott Diabetes Care Inc. | Method and apparatus for providing power management in data communication systems |
US7202747B2 (en) * | 2003-08-05 | 2007-04-10 | Agile Materials And Technologies, Inc. | Self-tuning variable impedance circuit for impedance matching of power amplifiers |
US7215972B2 (en) * | 2003-12-09 | 2007-05-08 | Freescale Semiconductor, Inc. | Adaptive transmit power control system |
US8521204B2 (en) * | 2004-09-30 | 2013-08-27 | Motorola Mobility Llc | Signal configuration based transmitter adjustment in wireless communication devices |
US7706467B2 (en) | 2004-12-17 | 2010-04-27 | Andrew Llc | Transmitter with an envelope tracking power amplifier utilizing digital predistortion of the signal envelope |
US7148749B2 (en) * | 2005-01-31 | 2006-12-12 | Freescale Semiconductor, Inc. | Closed loop power control with high dynamic range |
US20060199553A1 (en) * | 2005-03-07 | 2006-09-07 | Andrew Corporation | Integrated transceiver with envelope tracking |
BRPI0609511A2 (pt) | 2005-03-21 | 2010-04-13 | Abbott Diabetes Care Inc | sistema incluindo um dispositivo de infusão e uma unidade de monitoramento de analito, método para integrar monitoramento de analito e infusão de fluido, aparelho incluindo um sensor de analito e um canal de suprimento de fluido, e, método de suprimento de fluido e monitoramento de analito |
US7346317B2 (en) * | 2005-04-04 | 2008-03-18 | Freescale Semiconductor, Inc. | Dynamic gain and phase compensation for power amplifier load switching |
US7768408B2 (en) | 2005-05-17 | 2010-08-03 | Abbott Diabetes Care Inc. | Method and system for providing data management in data monitoring system |
WO2006123349A1 (en) * | 2005-05-20 | 2006-11-23 | Paragon Communications Ltd. | Method and apparatus for sensing the envelope of high level multi frequency band rf signals |
US7620437B2 (en) | 2005-06-03 | 2009-11-17 | Abbott Diabetes Care Inc. | Method and apparatus for providing rechargeable power in data monitoring and management systems |
US20060280261A1 (en) * | 2005-06-10 | 2006-12-14 | M/A-Com Eurotec Bv. | System and method for controlling power output from a power amplifier |
US7756561B2 (en) | 2005-09-30 | 2010-07-13 | Abbott Diabetes Care Inc. | Method and apparatus for providing rechargeable power in data monitoring and management systems |
JP2007104280A (ja) * | 2005-10-04 | 2007-04-19 | Nec Electronics Corp | 高周波電力増幅回路 |
US7583190B2 (en) | 2005-10-31 | 2009-09-01 | Abbott Diabetes Care Inc. | Method and apparatus for providing data communication in data monitoring and management systems |
KR101229353B1 (ko) * | 2005-11-03 | 2013-02-05 | 엘지전자 주식회사 | 휴대용 단말기 및 그의 파워앰프 정합방법 |
GB2446351B (en) * | 2005-11-28 | 2011-07-20 | Paragon Comm Ltd | Method and apparatus for optimizing current consumption of amplifiers with power control |
US20070173260A1 (en) * | 2006-01-23 | 2007-07-26 | Love Robert T | Wireless communication network scheduling |
US8145251B2 (en) | 2006-01-23 | 2012-03-27 | Motorola Mobility, Inc. | Power control in schedulable wireless communication terminal |
US7634240B2 (en) * | 2006-01-31 | 2009-12-15 | Motorola, Inc. | Method and apparatus for controlling a supply voltage to a power amplifier |
US8344966B2 (en) | 2006-01-31 | 2013-01-01 | Abbott Diabetes Care Inc. | Method and system for providing a fault tolerant display unit in an electronic device |
US7956683B2 (en) * | 2006-06-09 | 2011-06-07 | Telefonaktiebolaget Lm Ericsson (Publ) | High efficiency linear power amplifiers with load compensation |
US7546817B2 (en) * | 2006-07-21 | 2009-06-16 | Radio Systems Corporation | Animal containment transmitter system |
US9622190B2 (en) | 2006-07-25 | 2017-04-11 | Google Technology Holdings LLC | Spectrum emission level variation in schedulable wireless communication terminal |
US20080025254A1 (en) * | 2006-07-25 | 2008-01-31 | Motorola Inc | Spectrum emission level variation in schedulable wireless communication terminal |
US8579853B2 (en) | 2006-10-31 | 2013-11-12 | Abbott Diabetes Care Inc. | Infusion devices and methods |
WO2008090721A1 (ja) * | 2007-01-24 | 2008-07-31 | Nec Corporation | 電力増幅器 |
JP5606312B2 (ja) * | 2007-07-23 | 2014-10-15 | トゥルンプフ ヒュッティンガー ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー コマンディートゲゼルシャフト | プラズマ給電装置 |
US8068797B2 (en) * | 2007-09-28 | 2011-11-29 | Freescale Semiconductor, Inc. | Gain control methods for wireless devices and transmitters |
US8275151B2 (en) * | 2007-12-19 | 2012-09-25 | Agere Systems Inc. | Speakerphone using adaptive phase rotation |
TW200932194A (en) * | 2008-01-29 | 2009-08-01 | Univ Nat Taiwan | A feed-forward automatic-gain control amplifier (FFAGCA) for biomedical application |
US7768353B2 (en) | 2008-06-13 | 2010-08-03 | Samsung Electro-Mechanics Company, Ltd. | Systems and methods for switching mode power amplifier control |
WO2010020833A1 (en) * | 2008-08-20 | 2010-02-25 | Freescale Semiconductor, Inc. | Wireless communication unit, integrated circuit and method of power control of a power amplifier therefor |
US8433263B2 (en) * | 2008-09-24 | 2013-04-30 | Freescale Semiconductor, Inc. | Wireless communication unit, integrated circuit and method of power control of a power amplifier therefor |
US8140027B2 (en) * | 2008-10-16 | 2012-03-20 | Texas Instruments Incorporated | Automatic frequency tuning system and method for an FM-band transmit power amplifier |
CN101404638B (zh) * | 2008-11-10 | 2011-04-20 | 华为技术有限公司 | 一种提高正交频分复用发信机效率的方法和装置 |
US8560082B2 (en) | 2009-01-30 | 2013-10-15 | Abbott Diabetes Care Inc. | Computerized determination of insulin pump therapy parameters using real time and retrospective data processing |
US8270921B2 (en) * | 2009-04-27 | 2012-09-18 | Csr Technology Inc. | Systems and methods for tuning an antenna for a frequency modulation transceiver |
WO2010129375A1 (en) | 2009-04-28 | 2010-11-11 | Abbott Diabetes Care Inc. | Closed loop blood glucose control algorithm analysis |
EP2456351B1 (en) | 2009-07-23 | 2016-10-12 | Abbott Diabetes Care, Inc. | Real time management of data relating to physiological control of glucose levels |
CN102577107B (zh) | 2009-10-06 | 2015-06-10 | 富士通株式会社 | PAPR(Peak-to-Average Power Ratio)确定装置以及通信装置 |
US8416023B2 (en) * | 2010-06-08 | 2013-04-09 | Nxp B.V. | System and method for compensating for changes in an output impedance of a power amplifier |
US8934500B2 (en) | 2011-04-13 | 2015-01-13 | Motorola Mobility Llc | Method and apparatus using two radio access technologies for scheduling resources in wireless communication systems |
US9565655B2 (en) | 2011-04-13 | 2017-02-07 | Google Technology Holdings LLC | Method and apparatus to detect the transmission bandwidth configuration of a channel in connection with reducing interference between channels in wireless communication systems |
JP5336554B2 (ja) * | 2011-06-21 | 2013-11-06 | 日本電信電話株式会社 | 自動利得調整回路 |
CN103563252B (zh) * | 2011-06-30 | 2016-08-17 | 日本电信电话株式会社 | 自动增益控制电路 |
US9641131B2 (en) | 2011-11-22 | 2017-05-02 | Andrew Wireless Systems Gmbh | Adaptive supply voltage for a power amplifier |
US8874052B2 (en) | 2012-11-15 | 2014-10-28 | Motorola Mobility Llc | Method and apparatus for improving efficiency and distortion leakage in a wireless power amplifier |
US8804873B1 (en) * | 2013-02-13 | 2014-08-12 | Crestcom, Inc. | Communication system and method with PAPR; and backoff configured for equilibrium |
CN103281278B (zh) * | 2013-04-24 | 2017-03-22 | 东莞宇龙通信科技有限公司 | Lte通信发射系统、接收系统及通信终端 |
KR102094469B1 (ko) | 2013-12-10 | 2020-03-27 | 삼성전자주식회사 | 디지털-아날로그 변환 장치 및 방법 |
KR102188059B1 (ko) | 2013-12-23 | 2020-12-07 | 삼성전자 주식회사 | Ldo 레귤레이터, 전원 관리 시스템 및 ldo 전압 제어 방법 |
US20150236877A1 (en) * | 2014-02-14 | 2015-08-20 | Mediatek Inc. | Methods and apparatus for envelope tracking system |
US9520907B2 (en) | 2014-02-16 | 2016-12-13 | Mediatek Inc. | Methods and apparatus for envelope tracking system |
CN105654014B (zh) * | 2015-12-30 | 2018-02-02 | 广州中大微电子有限公司 | 一种可兼容高低速信号解调的射频信号解调电路 |
KR102483640B1 (ko) * | 2016-07-04 | 2023-01-02 | 삼성전자주식회사 | 주파수 보정 방법 및 장치 |
KR102554150B1 (ko) * | 2016-11-21 | 2023-07-12 | 삼성전자주식회사 | 수신기 |
US11848653B2 (en) * | 2018-05-18 | 2023-12-19 | Macom Technology Solutions Holdings, Inc. | Method and apparatus to speed convergence and control behavior of digital control loop |
US10901009B2 (en) * | 2019-02-21 | 2021-01-26 | Shenzhen GOODIX Technology Co., Ltd. | Power detector for radiofrequency power amplifier circuits |
US20220214385A1 (en) * | 2021-01-04 | 2022-07-07 | Molex CVS Bochum GmbH | Methods and systems of power detection |
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-
1999
- 1999-07-22 US US09/358,884 patent/US6160449A/en not_active Expired - Lifetime
-
2000
- 2000-07-07 JP JP2000206604A patent/JP4611496B2/ja not_active Expired - Lifetime
- 2000-07-13 FR FR0009161A patent/FR2797360B1/fr not_active Expired - Fee Related
- 2000-07-14 GB GB0017436A patent/GB2352897B/en not_active Expired - Lifetime
- 2000-07-17 DE DE10035060A patent/DE10035060B4/de not_active Expired - Lifetime
- 2000-07-21 KR KR10-2000-0041870A patent/KR100372856B1/ko not_active IP Right Cessation
- 2000-07-21 BR BRPI0003788-5A patent/BR0003788B1/pt not_active IP Right Cessation
- 2000-07-21 CN CNB001213474A patent/CN1185788C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
KR20010015391A (ko) | 2001-02-26 |
FR2797360B1 (fr) | 2003-10-31 |
JP4611496B2 (ja) | 2011-01-12 |
KR100372856B1 (ko) | 2003-02-19 |
GB0017436D0 (en) | 2000-08-30 |
FR2797360A1 (fr) | 2001-02-09 |
BR0003788B1 (pt) | 2013-02-19 |
DE10035060B4 (de) | 2005-06-23 |
US6160449A (en) | 2000-12-12 |
JP2001068940A (ja) | 2001-03-16 |
CN1282143A (zh) | 2001-01-31 |
GB2352897B (en) | 2001-09-05 |
GB2352897A (en) | 2001-02-07 |
CN1185788C (zh) | 2005-01-19 |
DE10035060A1 (de) | 2001-04-12 |
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