ATE437473T1 - Leistungsverstärkersystem - Google Patents
LeistungsverstärkersystemInfo
- Publication number
- ATE437473T1 ATE437473T1 AT04809127T AT04809127T ATE437473T1 AT E437473 T1 ATE437473 T1 AT E437473T1 AT 04809127 T AT04809127 T AT 04809127T AT 04809127 T AT04809127 T AT 04809127T AT E437473 T1 ATE437473 T1 AT E437473T1
- Authority
- AT
- Austria
- Prior art keywords
- signals
- power amplifier
- amplifier system
- output
- amplified
- Prior art date
Links
- 239000002131 composite material Substances 0.000 abstract 3
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
- H03F1/0288—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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/SE2004/001954 WO2006068546A1 (en) | 2004-12-21 | 2004-12-21 | Power amplifier system |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE437473T1 true ATE437473T1 (de) | 2009-08-15 |
Family
ID=36602037
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT04809127T ATE437473T1 (de) | 2004-12-21 | 2004-12-21 | Leistungsverstärkersystem |
Country Status (6)
Country | Link |
---|---|
US (1) | US7557652B2 (de) |
EP (1) | EP1829205B1 (de) |
CN (1) | CN101103524B (de) |
AT (1) | ATE437473T1 (de) |
DE (1) | DE602004022208D1 (de) |
WO (1) | WO2006068546A1 (de) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1966884A1 (de) * | 2005-12-30 | 2008-09-10 | TELEFONAKTIEBOLAGET LM ERICSSON (publ) | Effizienter zusammengesetzter verstärker |
FR2902946B1 (fr) * | 2006-06-23 | 2008-08-29 | Excem Sas | Amplificateur a entrees multiples et sorties multiples utilisant l'induction mutuelle dans le reseau de retroaction |
DE102006057324A1 (de) * | 2006-12-05 | 2008-06-19 | Rohde & Schwarz Gmbh & Co. Kg | Doherty-Verstärker-System |
US8180304B2 (en) * | 2008-04-02 | 2012-05-15 | Quantenna Communications, Inc. | Efficient power amplifier |
WO2010068152A1 (en) | 2008-12-09 | 2010-06-17 | Telefonaktiebolaget L M Ericsson (Publ) | Multi-stage amplifier |
CN101640562B (zh) * | 2009-08-17 | 2013-05-01 | 中兴通讯股份有限公司 | 多输入多输出系统和方法 |
EP2713505B1 (de) * | 2011-05-30 | 2018-12-12 | Huawei Technologies Co., Ltd. | Doherty-leistungsverstärker und signalverarbeitungsverfahren |
US9438173B2 (en) * | 2012-05-29 | 2016-09-06 | Nec Corporation | Multiple-series amplifying device |
JP2014082749A (ja) * | 2012-09-28 | 2014-05-08 | Fordan Kk | 複合電力増幅器を有する複合送信機 |
WO2014142943A1 (en) * | 2013-03-15 | 2014-09-18 | Lsi Corporation | Single-sideband transmitter using class-s amplifier |
CN106416062B (zh) | 2014-05-08 | 2019-05-28 | 瑞典爱立信有限公司 | 放大器电路和方法 |
US9484863B2 (en) * | 2014-05-08 | 2016-11-01 | Telefonaktiebolaget Lm Ericsson (Publ) | Amplifier circuit and method |
CN104283573B (zh) * | 2014-09-16 | 2016-11-09 | 电子科技大学 | 一种改进linc发射机效率的方法及其装置 |
WO2017074229A1 (en) * | 2015-10-27 | 2017-05-04 | Telefonaktiebolaget Lm Ericsson (Publ) | Distributed power amplifiers |
US11146214B2 (en) | 2017-04-27 | 2021-10-12 | Telefonaktiebolaget Lm Ericsson (Publ) | Multi-channel Doherty amplifier, multi-antenna transmitter, and method for turning on the multi-channel Doherty amplifier |
US10594266B2 (en) * | 2017-12-04 | 2020-03-17 | Nxp Usa, Inc. | Multiple-path amplifier with series component along inverter between amplifier outputs |
US10594276B2 (en) * | 2018-07-03 | 2020-03-17 | Nxp Usa, Inc. | Multi-path amplifier circuit or system and methods of implementation thereof |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5751250A (en) * | 1995-10-13 | 1998-05-12 | Lucent Technologies, Inc. | Low distortion power sharing amplifier network |
US5886575A (en) * | 1997-09-30 | 1999-03-23 | Motorola, Inc. | Apparatus and method for amplifying a signal |
US6825719B1 (en) * | 2000-05-26 | 2004-11-30 | Intel Corporation | RF power amplifier and methods for improving the efficiency thereof |
SE522479C2 (sv) | 2002-01-16 | 2004-02-10 | Ericsson Telefon Ab L M | Sammansatt effektförstärkare |
WO2004057755A1 (en) * | 2002-12-19 | 2004-07-08 | 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 |
-
2004
- 2004-12-21 US US11/722,191 patent/US7557652B2/en active Active
- 2004-12-21 CN CN2004800446835A patent/CN101103524B/zh not_active Expired - Fee Related
- 2004-12-21 DE DE602004022208T patent/DE602004022208D1/de active Active
- 2004-12-21 WO PCT/SE2004/001954 patent/WO2006068546A1/en active Application Filing
- 2004-12-21 EP EP04809127A patent/EP1829205B1/de active Active
- 2004-12-21 AT AT04809127T patent/ATE437473T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP1829205B1 (de) | 2009-07-22 |
US7557652B2 (en) | 2009-07-07 |
WO2006068546A1 (en) | 2006-06-29 |
CN101103524A (zh) | 2008-01-09 |
DE602004022208D1 (de) | 2009-09-03 |
CN101103524B (zh) | 2010-05-05 |
EP1829205A1 (de) | 2007-09-05 |
US20080007330A1 (en) | 2008-01-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |