WO2001080420A3 - Amplifier circuit - Google Patents
Amplifier circuit Download PDFInfo
- Publication number
- WO2001080420A3 WO2001080420A3 PCT/US2001/011873 US0111873W WO0180420A3 WO 2001080420 A3 WO2001080420 A3 WO 2001080420A3 US 0111873 W US0111873 W US 0111873W WO 0180420 A3 WO0180420 A3 WO 0180420A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- amplifier
- amplifier circuit
- peak
- signal path
- amplifier signal
- 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
- H03F1/0288—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
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/198—A hybrid coupler being used as coupling circuit between stages of an amplifier circuit
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microwave Amplifiers (AREA)
- Amplifiers (AREA)
Abstract
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001577699A JP4476534B2 (en) | 2000-04-12 | 2001-04-11 | Amplifier circuit |
DE60141576T DE60141576D1 (en) | 2000-04-12 | 2001-04-11 | AMPLIFIER CIRCUIT |
EP01926885A EP1287611B1 (en) | 2000-04-12 | 2001-04-11 | Amplifier circuit |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/547,548 US6320462B1 (en) | 2000-04-12 | 2000-04-12 | Amplifier circuit |
US09/547,548 | 2000-04-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2001080420A2 WO2001080420A2 (en) | 2001-10-25 |
WO2001080420A3 true WO2001080420A3 (en) | 2002-07-04 |
Family
ID=24185086
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2001/011873 WO2001080420A2 (en) | 2000-04-12 | 2001-04-11 | Amplifier circuit |
Country Status (5)
Country | Link |
---|---|
US (1) | US6320462B1 (en) |
EP (1) | EP1287611B1 (en) |
JP (1) | JP4476534B2 (en) |
DE (1) | DE60141576D1 (en) |
WO (1) | WO2001080420A2 (en) |
Families Citing this family (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE60142148D1 (en) * | 2000-03-15 | 2010-07-01 | Hitachi Metals Ltd | High-frequency module and wireless communication device |
SE516847C2 (en) * | 2000-07-07 | 2002-03-12 | Ericsson Telefon Ab L M | Composite amplifier and transmitter including such amplifier |
US6864742B2 (en) * | 2001-06-08 | 2005-03-08 | Northrop Grumman Corporation | Application of the doherty amplifier as a predistortion circuit for linearizing microwave amplifiers |
US6469581B1 (en) * | 2001-06-08 | 2002-10-22 | Trw Inc. | HEMT-HBT doherty microwave amplifier |
KR100553252B1 (en) * | 2002-02-01 | 2006-02-20 | 아바고테크놀로지스코리아 주식회사 | Power Amplification Apparatus of Portable Terminal |
ATE525800T1 (en) * | 2002-08-19 | 2011-10-15 | Nxp Bv | HIGH POWER DOHERTY AMPLIFIER |
JP4209652B2 (en) * | 2002-09-24 | 2009-01-14 | 三菱電機株式会社 | High frequency power amplifier |
US6798295B2 (en) | 2002-12-13 | 2004-09-28 | Cree Microwave, Inc. | Single package multi-chip RF power amplifier |
JPWO2005093948A1 (en) * | 2004-03-26 | 2008-02-14 | 株式会社日立国際電気 | amplifier |
US7123096B2 (en) * | 2004-05-26 | 2006-10-17 | Raytheon Company | Quadrature offset power amplifier |
JP4715994B2 (en) * | 2004-08-26 | 2011-07-06 | 日本電気株式会社 | Doherty amplifier parallel operation circuit |
KR20060032270A (en) * | 2004-10-11 | 2006-04-17 | 아바고테크놀로지스코리아 주식회사 | A doherty amplifier using a active phase splitter |
US7148746B2 (en) * | 2004-10-26 | 2006-12-12 | Andrew Corporation | High efficiency amplifier |
US7193473B2 (en) * | 2005-03-24 | 2007-03-20 | Cree, Inc. | High power Doherty amplifier using multi-stage modules |
US7256654B2 (en) * | 2005-04-12 | 2007-08-14 | Raytheon Company | Amplifying a signal using a current shared power amplifier |
US20100001802A1 (en) * | 2005-05-20 | 2010-01-07 | Nxp B.V. | Integrated doherty type amplifier arrangement with high power efficiency |
US20060267689A1 (en) * | 2005-05-24 | 2006-11-30 | Intel Corporation | Parallel power amplifier apparatus, method, and system |
US7831221B2 (en) * | 2005-12-13 | 2010-11-09 | Andrew Llc | Predistortion system and amplifier for addressing group delay modulation |
KR100749870B1 (en) * | 2006-06-07 | 2007-08-17 | (주) 와이팜 | Doherty amplifier |
JP2008035487A (en) * | 2006-06-19 | 2008-02-14 | Renesas Technology Corp | Rf power amplifier |
US7639079B2 (en) | 2007-02-09 | 2009-12-29 | Agere Systems Inc. | Techniques for designing wide band low noise amplifiers |
US7521995B1 (en) * | 2007-09-28 | 2009-04-21 | Motorola, Inc. | Inverted doherty amplifier with increased off-state impedence |
JP5059647B2 (en) * | 2008-02-12 | 2012-10-24 | 株式会社日立国際電気 | High frequency power amplifier |
US7934190B1 (en) | 2008-09-25 | 2011-04-26 | The United States Of America As Represented By The Secretary Of The Navy | Multiple amplifier matching over lumped networks of arbitrary topology |
US9083284B2 (en) * | 2011-03-07 | 2015-07-14 | Intel Corporation | Wide-band multi stage Doherty power amplifier |
US8698557B2 (en) | 2011-10-12 | 2014-04-15 | Hbc Solutions, Inc. | Hybrid coupler |
US8653889B1 (en) * | 2012-09-06 | 2014-02-18 | Alcatel Lucent | Doherty amplifier having compact output matching and combining networks |
US8975955B2 (en) | 2012-12-11 | 2015-03-10 | Alcatel Lucent | Analysis of Doherty amplifiers |
US9071202B2 (en) | 2013-10-18 | 2015-06-30 | Alcatel Lucent | Doherty amplifier with peak branch RF conditioning |
DE102013226635B4 (en) | 2013-12-19 | 2023-07-06 | Rohde & Schwarz GmbH & Co. Kommanditgesellschaft | Doherty amplifier with additional delay element |
WO2015176077A2 (en) * | 2014-05-13 | 2015-11-19 | Skyworks Solutions, Inc. | Systems and methods related to linear and efficient broadband power amplifiers |
US9912298B2 (en) | 2014-05-13 | 2018-03-06 | Skyworks Solutions, Inc. | Systems and methods related to linear load modulated power amplifiers |
US9467115B2 (en) | 2014-05-13 | 2016-10-11 | Skyworks Solutions, Inc. | Circuits, devices and methods related to combiners for Doherty power amplifiers |
US9450541B2 (en) | 2014-05-13 | 2016-09-20 | Skyworks Solutions, Inc. | Systems and methods related to linear and efficient broadband power amplifiers |
US9800207B2 (en) | 2014-08-13 | 2017-10-24 | Skyworks Solutions, Inc. | Doherty power amplifier combiner with tunable impedance termination circuit |
US9712119B2 (en) | 2014-10-25 | 2017-07-18 | Skyworks Solutions, Inc. | Doherty power amplifier with tunable input network |
ITUB20153048A1 (en) * | 2015-08-10 | 2017-02-10 | Itelco Broadcast S R L | MODULE STRUCTURE FOR POWER AMPLIFIER FOR DOUBLE-STAGE RADIO FREQUENCY AND MODULAR AMPLIFIER USING SUCH MODULES |
CN106067768B (en) * | 2016-08-12 | 2023-03-07 | 成都泰格微电子研究所有限责任公司 | Broadband internal matching power amplifier |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0630104A2 (en) * | 1993-06-04 | 1994-12-21 | Raytheon Company | Microwave Doherty amplifier |
WO1997020385A1 (en) * | 1995-11-30 | 1997-06-05 | Motorola Inc. | Doherty-type amplifier and tuning method |
US5757229A (en) * | 1996-06-28 | 1998-05-26 | Motorola, Inc. | Bias circuit for a power amplifier |
US5786727A (en) * | 1996-10-15 | 1998-07-28 | Motorola, Inc. | Multi-stage high efficiency linear power amplifier and method therefor |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2210028A (en) | 1936-04-01 | 1940-08-06 | Bell Telephone Labor Inc | Amplifier |
JPH0682998B2 (en) | 1986-07-30 | 1994-10-19 | 日本電信電話株式会社 | Power amplifier |
US4916410A (en) * | 1989-05-01 | 1990-04-10 | E-Systems, Inc. | Hybrid-balun for splitting/combining RF power |
US5127102A (en) | 1991-01-15 | 1992-06-30 | Raytheon Company | Radio frequency mixer circuits |
US5146175A (en) * | 1991-08-21 | 1992-09-08 | At&T Bell Laboratories | Combining technique for a multistage, parallel amplifier |
US5568086A (en) | 1995-05-25 | 1996-10-22 | Motorola, Inc. | Linear power amplifier for high efficiency multi-carrier performance |
US6085074A (en) * | 1997-02-28 | 2000-07-04 | Motorola, Inc. | Apparatus and method for amplifying an amplitude-varying signal |
-
2000
- 2000-04-12 US US09/547,548 patent/US6320462B1/en not_active Expired - Fee Related
-
2001
- 2001-04-11 DE DE60141576T patent/DE60141576D1/en not_active Expired - Lifetime
- 2001-04-11 JP JP2001577699A patent/JP4476534B2/en not_active Expired - Fee Related
- 2001-04-11 EP EP01926885A patent/EP1287611B1/en not_active Expired - Lifetime
- 2001-04-11 WO PCT/US2001/011873 patent/WO2001080420A2/en active Search and Examination
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0630104A2 (en) * | 1993-06-04 | 1994-12-21 | Raytheon Company | Microwave Doherty amplifier |
WO1997020385A1 (en) * | 1995-11-30 | 1997-06-05 | Motorola Inc. | Doherty-type amplifier and tuning method |
US5757229A (en) * | 1996-06-28 | 1998-05-26 | Motorola, Inc. | Bias circuit for a power amplifier |
US5786727A (en) * | 1996-10-15 | 1998-07-28 | Motorola, Inc. | Multi-stage high efficiency linear power amplifier and method therefor |
Also Published As
Publication number | Publication date |
---|---|
EP1287611B1 (en) | 2010-03-17 |
JP4476534B2 (en) | 2010-06-09 |
EP1287611A2 (en) | 2003-03-05 |
US6320462B1 (en) | 2001-11-20 |
WO2001080420A2 (en) | 2001-10-25 |
DE60141576D1 (en) | 2010-04-29 |
JP2004501539A (en) | 2004-01-15 |
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