WO2001080420A3 - Amplifier circuit - Google Patents

Amplifier circuit Download PDF

Info

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
Application number
PCT/US2001/011873
Other languages
French (fr)
Other versions
WO2001080420A2 (en
Inventor
Gary D Alley
Original Assignee
Raytheon Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Raytheon Co filed Critical Raytheon Co
Priority to JP2001577699A priority Critical patent/JP4476534B2/en
Priority to DE60141576T priority patent/DE60141576D1/en
Priority to EP01926885A priority patent/EP1287611B1/en
Publication of WO2001080420A2 publication Critical patent/WO2001080420A2/en
Publication of WO2001080420A3 publication Critical patent/WO2001080420A3/en

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

An RF amplifier includes a peak amplifier signal path, a carrier amplifier signal path and a delay line which equalizes the time delay between the peak and carrier amplifier signal paths to provide an amplifier having a relatively high power added efficiency characteristic.
PCT/US2001/011873 2000-04-12 2001-04-11 Amplifier circuit WO2001080420A2 (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
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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