SE0302586D0 - Composite power amplifier - Google Patents
Composite power amplifierInfo
- Publication number
- SE0302586D0 SE0302586D0 SE0302586A SE0302586A SE0302586D0 SE 0302586 D0 SE0302586 D0 SE 0302586D0 SE 0302586 A SE0302586 A SE 0302586A SE 0302586 A SE0302586 A SE 0302586A SE 0302586 D0 SE0302586 D0 SE 0302586D0
- Authority
- SE
- Sweden
- Prior art keywords
- power amplifier
- outphasing
- composite power
- power amplifiers
- pair
- Prior art date
Links
Classifications
-
- 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
- H03F1/0294—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers using vector summing of two or more constant amplitude phase-modulated signals
-
- 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
- H03F1/0288—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers using a main and one or several auxiliary peaking amplifiers whereby the load is connected to the main amplifier using an impedance inverter, e.g. Doherty amplifiers
-
- 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
- H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/60—Amplifiers in which coupling networks have distributed constants, e.g. with waveguide resonators
- H03F3/602—Combinations of several amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/423—Amplifier output adaptation especially for transmission line coupling purposes, e.g. impedance adaptation
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/451—Indexing scheme relating to amplifiers the amplifier being a radio frequency amplifier
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0302586A SE0302586D0 (sv) | 2003-09-26 | 2003-09-26 | Composite power amplifier |
DE602004029914T DE602004029914D1 (de) | 2003-09-26 | 2004-09-21 | Zusammengesetzter leistungsverstärker |
PCT/SE2004/001357 WO2005031966A1 (en) | 2003-09-26 | 2004-09-21 | Composite power amplifier |
EP04775459A EP1671418B1 (en) | 2003-09-26 | 2004-09-21 | Composite power amplifier |
AT04775459T ATE487271T1 (de) | 2003-09-26 | 2004-09-21 | Zusammengesetzter leistungsverstärker |
US10/595,169 US7411449B2 (en) | 2003-09-26 | 2004-09-21 | Composite power amplifier |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0302586A SE0302586D0 (sv) | 2003-09-26 | 2003-09-26 | Composite power amplifier |
Publications (1)
Publication Number | Publication Date |
---|---|
SE0302586D0 true SE0302586D0 (sv) | 2003-09-26 |
Family
ID=29246992
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE0302586A SE0302586D0 (sv) | 2003-09-26 | 2003-09-26 | Composite power amplifier |
Country Status (6)
Country | Link |
---|---|
US (1) | US7411449B2 (xx) |
EP (1) | EP1671418B1 (xx) |
AT (1) | ATE487271T1 (xx) |
DE (1) | DE602004029914D1 (xx) |
SE (1) | SE0302586D0 (xx) |
WO (1) | WO2005031966A1 (xx) |
Families Citing this family (44)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7071775B2 (en) | 2004-06-21 | 2006-07-04 | Motorola, Inc. | Method and apparatus for an enhanced efficiency power amplifier |
US7327803B2 (en) | 2004-10-22 | 2008-02-05 | Parkervision, Inc. | Systems and methods for vector power amplification |
US7355470B2 (en) | 2006-04-24 | 2008-04-08 | Parkervision, Inc. | Systems and methods of RF power transmission, modulation, and amplification, including embodiments for amplifier class transitioning |
JP4774791B2 (ja) * | 2005-04-06 | 2011-09-14 | 日立金属株式会社 | 高周波モジュール |
US7911272B2 (en) | 2007-06-19 | 2011-03-22 | Parkervision, Inc. | Systems and methods of RF power transmission, modulation, and amplification, including blended control embodiments |
US8334722B2 (en) | 2007-06-28 | 2012-12-18 | Parkervision, Inc. | Systems and methods of RF power transmission, modulation and amplification |
US7893762B2 (en) | 2005-12-30 | 2011-02-22 | Telefonaktiebolaget Lm Ericsson (Publ) | Efficient composite amplifier |
US8031804B2 (en) | 2006-04-24 | 2011-10-04 | Parkervision, Inc. | Systems and methods of RF tower transmission, modulation, and amplification, including embodiments for compensating for waveform distortion |
WO2008013481A1 (en) * | 2006-07-24 | 2008-01-31 | Telefonaktiebolaget Lm Ericsson (Publ). | A method for controlling a linear amplifier and power amplifier arrangement |
US8315336B2 (en) | 2007-05-18 | 2012-11-20 | Parkervision, Inc. | Systems and methods of RF power transmission, modulation, and amplification, including a switching stage embodiment |
US8022759B2 (en) | 2006-11-01 | 2011-09-20 | Telefonaktiebolaget L M Ericsson (Publ) | Dynamic range improvements of load modulated amplifiers |
WO2008156800A1 (en) | 2007-06-19 | 2008-12-24 | Parkervision, Inc. | Combiner-less multiple input single output (miso) amplification with blended control |
US8072264B2 (en) | 2007-10-26 | 2011-12-06 | Telefonaktiebolaget L M Ericsson (Publ) | Amplifying device |
WO2009145887A1 (en) | 2008-05-27 | 2009-12-03 | Parkervision, Inc. | Systems and methods of rf power transmission, modulation, and amplification |
WO2010068152A1 (en) * | 2008-12-09 | 2010-06-17 | Telefonaktiebolaget L M Ericsson (Publ) | Multi-stage amplifier |
WO2010074615A1 (en) * | 2008-12-22 | 2010-07-01 | Telefonaktiebolaget L M Ericsson (Publ) | A multi stage amplifier |
US9141832B2 (en) | 2010-02-03 | 2015-09-22 | Massachusetts Institute Of Technology | Multiway lossless power combining and outphasing incorporating transmission lines |
JP2013519307A (ja) * | 2010-02-03 | 2013-05-23 | マサチューセッツ インスティテュート オブ テクノロジー | 無線周波数(rf)増幅器回路および関係する技法 |
US9912303B2 (en) | 2010-02-03 | 2018-03-06 | Massachusetts Institute Of Technology | RF-input / RF-output outphasing amplifier |
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 |
KR20140026458A (ko) | 2011-04-08 | 2014-03-05 | 파커비전, 인크. | Rf 전력 송신, 변조 및 증폭 시스템들 및 방법들 |
US8610499B2 (en) | 2011-04-11 | 2013-12-17 | Auriga Measurement Systems, LLC | Radio frequency (RF) amplifier utilizing a predistortion circuit and related techniques |
JP6174574B2 (ja) | 2011-06-02 | 2017-08-02 | パーカーヴィジョン インコーポレイテッド | アンテナ制御 |
US8836421B2 (en) | 2011-12-15 | 2014-09-16 | Telefonaktiebolaget L M Ericsson (Publ) | Apparatus and method for use with an amplifier circuit |
US9537456B2 (en) | 2012-10-30 | 2017-01-03 | Eta Devices, Inc. | Asymmetric multilevel backoff amplifier with radio-frequency splitter |
US8829993B2 (en) | 2012-10-30 | 2014-09-09 | Eta Devices, Inc. | Linearization circuits and methods for multilevel power amplifier systems |
US8824978B2 (en) | 2012-10-30 | 2014-09-02 | Eta Devices, Inc. | RF amplifier architecture and related techniques |
US9166536B2 (en) | 2012-10-30 | 2015-10-20 | Eta Devices, Inc. | Transmitter architecture and related methods |
US9712118B2 (en) | 2013-05-27 | 2017-07-18 | Telefonaktiebolaget L M Ericsson (Publ) | Amplifier circuit and method |
KR20160058855A (ko) | 2013-09-17 | 2016-05-25 | 파커비전, 인크. | 정보를 포함하는 시간의 함수를 렌더링하기 위한 방법, 장치 및 시스템 |
EP3058653A4 (en) | 2013-10-18 | 2016-11-09 | Ericsson Telefon Ab L M | POWER AMPLIFIER FOR GAINING AN INPUT SIGNAL INTO AN OUTPUT SIGNAL |
WO2015139746A1 (en) | 2014-03-19 | 2015-09-24 | Telefonaktiebolaget L M Ericsson (Publ) | Amplifier circuit and method |
WO2015150873A1 (en) * | 2014-04-03 | 2015-10-08 | Telefonaktiebolaget L M Ericsson (Publ) | Multi-stage amplifiers with low loss |
US9768731B2 (en) | 2014-07-23 | 2017-09-19 | Eta Devices, Inc. | Linearity and noise improvement for multilevel power amplifier systems using multi-pulse drain transitions |
US9979421B2 (en) | 2015-03-02 | 2018-05-22 | Eta Devices, Inc. | Digital pre-distortion (DPD) training and calibration system and related techniques |
WO2017015858A1 (zh) * | 2015-07-28 | 2017-02-02 | 华为技术有限公司 | 功率放大器、功率放大方法、功率放大控制装置及方法 |
CN108702133B (zh) * | 2016-01-11 | 2021-02-26 | 华为技术有限公司 | 复合功率放大器 |
MX2018011775A (es) * | 2016-04-11 | 2019-01-21 | Ericsson Telefon Ab L M | Sistema amplificador de potencia modular y escalable. |
US9882535B2 (en) | 2016-06-28 | 2018-01-30 | Infineon Technologies Ag | Doherty-Chireix combined amplifier |
US10123286B2 (en) * | 2016-06-30 | 2018-11-06 | Qorvo Us, Inc. | Outphasing power management circuit for radio frequency (RF) beamforming |
JP6973068B2 (ja) * | 2017-12-28 | 2021-11-24 | 富士通株式会社 | 増幅器 |
CN112771778B (zh) * | 2018-11-30 | 2024-07-23 | 华为技术有限公司 | 功率放大器电路 |
JP7281933B2 (ja) * | 2019-03-22 | 2023-05-26 | 古河電気工業株式会社 | 増幅装置 |
EP4128529A4 (en) * | 2020-03-23 | 2024-01-03 | Telefonaktiebolaget LM Ericsson (publ.) | AMPLIFIER CIRCUITS AND METHODS OF OPERATING AN AMPLIFIER CIRCUIT |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3906448C1 (xx) * | 1989-03-01 | 1990-03-15 | Messerschmitt-Boelkow-Blohm Gmbh, 8012 Ottobrunn, De | |
US5025225A (en) * | 1989-12-15 | 1991-06-18 | Raytheon Company | Amplifier having substantially constant D.C. to r.f. conversion efficiency |
JPH0817250B2 (ja) * | 1993-07-30 | 1996-02-21 | 工業技術院長 | 異方性超伝導素子とその作製方法及びこれを用いたフラクソンデバイス |
US5786727A (en) * | 1996-10-15 | 1998-07-28 | Motorola, Inc. | Multi-stage high efficiency linear power amplifier and method therefor |
US6252461B1 (en) * | 1997-08-25 | 2001-06-26 | Frederick Herbert Raab | Technique for wideband operation of power amplifiers |
US6262629B1 (en) | 1999-07-06 | 2001-07-17 | Motorola, Inc. | High efficiency power amplifier having reduced output matching networks for use in portable devices |
SE516145C2 (sv) | 2000-06-06 | 2001-11-26 | Ericsson Telefon Ab L M | Sammansatt förstärkare |
US6472934B1 (en) * | 2000-12-29 | 2002-10-29 | Ericsson Inc. | Triple class E Doherty amplifier topology for high efficiency signal transmitters |
ATE349804T1 (de) * | 2002-09-06 | 2007-01-15 | Ericsson Telefon Ab L M | Zusammengesetzter leistungsverstärker |
AU2002359211A1 (en) * | 2002-12-19 | 2004-07-14 | Telefonaktiebolaget Lm Ericsson | Composite amplifier structure |
US7071775B2 (en) * | 2004-06-21 | 2006-07-04 | Motorola, Inc. | Method and apparatus for an enhanced efficiency power amplifier |
JP4715994B2 (ja) * | 2004-08-26 | 2011-07-06 | 日本電気株式会社 | ドハティ増幅器並列運転回路 |
-
2003
- 2003-09-26 SE SE0302586A patent/SE0302586D0/xx unknown
-
2004
- 2004-09-21 WO PCT/SE2004/001357 patent/WO2005031966A1/en active Application Filing
- 2004-09-21 EP EP04775459A patent/EP1671418B1/en not_active Not-in-force
- 2004-09-21 DE DE602004029914T patent/DE602004029914D1/de active Active
- 2004-09-21 US US10/595,169 patent/US7411449B2/en not_active Expired - Fee Related
- 2004-09-21 AT AT04775459T patent/ATE487271T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP1671418B1 (en) | 2010-11-03 |
WO2005031966A1 (en) | 2005-04-07 |
US20070080747A1 (en) | 2007-04-12 |
DE602004029914D1 (de) | 2010-12-16 |
EP1671418A1 (en) | 2006-06-21 |
ATE487271T1 (de) | 2010-11-15 |
US7411449B2 (en) | 2008-08-12 |
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