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
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0302586A SE0302586D0 (sv) | 2003-09-26 | 2003-09-26 | Composite power amplifier |
PCT/SE2004/001357 WO2005031966A1 (en) | 2003-09-26 | 2004-09-21 | Composite power amplifier |
DE602004029914T DE602004029914D1 (de) | 2003-09-26 | 2004-09-21 | Zusammengesetzter leistungsverstärker |
AT04775459T ATE487271T1 (de) | 2003-09-26 | 2004-09-21 | Zusammengesetzter leistungsverstärker |
EP04775459A EP1671418B1 (en) | 2003-09-26 | 2004-09-21 | Composite power amplifier |
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 (sv) |
EP (1) | EP1671418B1 (sv) |
AT (1) | ATE487271T1 (sv) |
DE (1) | DE602004029914D1 (sv) |
SE (1) | SE0302586D0 (sv) |
WO (1) | WO2005031966A1 (sv) |
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 |
US9106316B2 (en) | 2005-10-24 | 2015-08-11 | Parkervision, Inc. | Systems and methods of RF power transmission, modulation, and amplification |
US8334722B2 (en) | 2007-06-28 | 2012-12-18 | Parkervision, Inc. | Systems and methods of RF power transmission, modulation and amplification |
US8013675B2 (en) | 2007-06-19 | 2011-09-06 | Parkervision, Inc. | Combiner-less multiple input single output (MISO) amplification with blended control |
US7911272B2 (en) | 2007-06-19 | 2011-03-22 | Parkervision, Inc. | Systems and methods of RF power transmission, modulation, and amplification, including blended control embodiments |
ATE545198T1 (de) * | 2005-12-30 | 2012-02-15 | Ericsson Telefon Ab L M | Effizienter zusammengesetzter verstärker |
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 |
US8045939B2 (en) * | 2006-07-24 | 2011-10-25 | Telefonaktiebolaget L M Ericsson (Publ) | Method for controlling a linear amplifier and power amplifier arrangement |
WO2008054275A1 (en) | 2006-11-01 | 2008-05-08 | Telefonaktiebolaget Lm Ericsson (Publ) | Dynamic range improvements of load modulated amplifiers |
WO2008144017A1 (en) | 2007-05-18 | 2008-11-27 | Parkervision, Inc. | Systems and methods of rf power transmission, modulation, and amplification |
EP2212992B1 (en) | 2007-10-26 | 2014-05-21 | Telefonaktiebolaget LM Ericsson (publ) | Improved amplifying device |
JP5237462B2 (ja) * | 2008-12-09 | 2013-07-17 | テレフオンアクチーボラゲット エル エム エリクソン(パブル) | 多段増幅器 |
US8305146B2 (en) | 2008-12-22 | 2012-11-06 | Telefonaktiebolaget L M Ericsson (Publ) | Multi stage amplifier |
US9141832B2 (en) | 2010-02-03 | 2015-09-22 | Massachusetts Institute Of Technology | Multiway lossless power combining and outphasing incorporating transmission lines |
US9912303B2 (en) | 2010-02-03 | 2018-03-06 | Massachusetts Institute Of Technology | RF-input / RF-output outphasing amplifier |
WO2011097387A1 (en) * | 2010-02-03 | 2011-08-11 | Massachusetts Institute Of Technology | Radio-frequency (rf) amplifier circuits and related techniques |
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 |
WO2012139126A1 (en) | 2011-04-08 | 2012-10-11 | Parkervision, Inc. | Systems and methods of rf power transmission, modulation, and amplification |
US8610499B2 (en) | 2011-04-11 | 2013-12-17 | Auriga Measurement Systems, LLC | Radio frequency (RF) amplifier utilizing a predistortion circuit and related techniques |
EP2715867A4 (en) | 2011-06-02 | 2014-12-17 | Parkervision Inc | ANTENNA CONTROL |
EP2748925B1 (en) | 2011-12-15 | 2015-09-23 | 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 |
US9166536B2 (en) | 2012-10-30 | 2015-10-20 | Eta Devices, Inc. | Transmitter architecture and related methods |
US8824978B2 (en) | 2012-10-30 | 2014-09-02 | Eta Devices, Inc. | RF amplifier architecture and related techniques |
US8829993B2 (en) | 2012-10-30 | 2014-09-09 | Eta Devices, Inc. | Linearization circuits and methods for multilevel power amplifier systems |
WO2014193275A1 (en) | 2013-05-27 | 2014-12-04 | Telefonaktiebolaget L M Ericsson (Publ) | Amplifier circuit and method |
US20150080063A1 (en) | 2013-09-17 | 2015-03-19 | Parkervision, Inc. | Method, apparatus and system for rendering an information bearing function of time |
WO2015057118A1 (en) | 2013-10-18 | 2015-04-23 | Telefonaktiebolaget L M Ericsson (Publ) | Power amplifier for amplification of an input signal into an output signal |
US9954492B2 (en) | 2014-03-19 | 2018-04-24 | Telefonaktiebolaget Lm 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 |
WO2017121455A1 (en) * | 2016-01-11 | 2017-07-20 | Huawei Technologies Co., Ltd. | Composite power amplifier |
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 |
EP3855619A4 (en) * | 2018-11-30 | 2021-08-25 | Huawei Technologies Co., Ltd. | POWER AMPLIFIER CIRCUIT |
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 | Ericsson Telefon Ab L M | AMPLIFIER CIRCUITS AND METHODS OF OPERATING AN AMPLIFIER CIRCUIT |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3906448C1 (sv) * | 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 |
AU2002334520A1 (en) * | 2002-09-06 | 2004-03-29 | Telefonaktiebolaget L M Ericsson (Publ) | Composite power amplifier |
ATE422108T1 (de) * | 2002-12-19 | 2009-02-15 | Ericsson Telefon Ab L M | Zusammengesetzte verstärkerstruktur |
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/sv unknown
-
2004
- 2004-09-21 US US10/595,169 patent/US7411449B2/en not_active Expired - Fee Related
- 2004-09-21 EP EP04775459A patent/EP1671418B1/en not_active Not-in-force
- 2004-09-21 WO PCT/SE2004/001357 patent/WO2005031966A1/en active Application Filing
- 2004-09-21 DE DE602004029914T patent/DE602004029914D1/de active Active
- 2004-09-21 AT AT04775459T patent/ATE487271T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP1671418A1 (en) | 2006-06-21 |
US20070080747A1 (en) | 2007-04-12 |
WO2005031966A1 (en) | 2005-04-07 |
ATE487271T1 (de) | 2010-11-15 |
DE602004029914D1 (de) | 2010-12-16 |
EP1671418B1 (en) | 2010-11-03 |
US7411449B2 (en) | 2008-08-12 |
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