SE521268C2 - Sammansatt förstärkare med optimerad linjäritet och effektivitet - Google Patents

Sammansatt förstärkare med optimerad linjäritet och effektivitet

Info

Publication number: SE521268C2
Authority: SE; Sweden
Prior art keywords: amplifier; sub; linear; composite; output
Prior art date: 2001-05-18

Application number

SE0101774A

Other languages

English (en)

Swedish (sv)

Other versions

SE0101774D0 (sv

SE0101774L (sv

Inventor

Richard Hellberg

Original Assignee

Ericsson Telefon Ab L M

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.)

2001-05-18

Filing date

2001-05-18

Publication date

2003-10-14

2001-05-18 Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M

2001-05-18 Priority to SE0101774A priority Critical patent/SE521268C2/sv

2001-05-18 Publication of SE0101774D0 publication Critical patent/SE0101774D0/xx

2002-03-27 Priority to US10/476,002 priority patent/US6897721B2/en

2002-03-27 Priority to EP02714658A priority patent/EP1402625B1/de

2002-03-27 Priority to AT02714658T priority patent/ATE355651T1/de

2002-03-27 Priority to PCT/SE2002/000606 priority patent/WO2002095933A1/en

2002-03-27 Priority to DE60218465T priority patent/DE60218465T2/de

2002-11-19 Publication of SE0101774L publication Critical patent/SE0101774L/xx

2003-10-14 Publication of SE521268C2 publication Critical patent/SE521268C2/sv

Links

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Classifications

- 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
- 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
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B1/0483—Transmitters with multiple parallel paths
- 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)
Physics & Mathematics (AREA)
Nonlinear Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Amplifiers (AREA)

SE0101774A 2001-05-18 2001-05-18 Sammansatt förstärkare med optimerad linjäritet och effektivitet SE521268C2 (sv)

Priority Applications (6)

Application Number	Priority Date	Filing Date	Title
SE0101774A SE521268C2 (sv)	2001-05-18	2001-05-18	Sammansatt förstärkare med optimerad linjäritet och effektivitet
US10/476,002 US6897721B2 (en)	2001-05-18	2002-03-27	Composite amplifier with optimized linearity and efficiency
EP02714658A EP1402625B1 (de)	2001-05-18	2002-03-27	Zusammengesetzter verstärker mit optimierter linearität und effizienz
AT02714658T ATE355651T1 (de)	2001-05-18	2002-03-27	Zusammengesetzter verstärker mit optimierter linearität und effizienz
PCT/SE2002/000606 WO2002095933A1 (en)	2001-05-18	2002-03-27	Composite amplifier with optimized linearity and efficiency
DE60218465T DE60218465T2 (de)	2001-05-18	2002-03-27	Zusammengesetzter verstärker mit optimierter linearität und effizienz

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE0101774A SE521268C2 (sv)	2001-05-18	2001-05-18	Sammansatt förstärkare med optimerad linjäritet och effektivitet

Publications (3)

Publication Number	Publication Date
SE0101774D0 SE0101774D0 (sv)	2001-05-18
SE0101774L SE0101774L (sv)	2002-11-19
SE521268C2 true SE521268C2 (sv)	2003-10-14

Family

ID=20284177

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE0101774A SE521268C2 (sv)	2001-05-18	2001-05-18	Sammansatt förstärkare med optimerad linjäritet och effektivitet

Country Status (6)

Country	Link
US (1)	US6897721B2 (de)
EP (1)	EP1402625B1 (de)
AT (1)	ATE355651T1 (de)
DE (1)	DE60218465T2 (de)
SE (1)	SE521268C2 (de)
WO (1)	WO2002095933A1 (de)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE522479C2 (sv) *	2002-01-16	2004-02-10	Ericsson Telefon Ab L M	Sammansatt effektförstärkare
ATE422108T1 (de) *	2002-12-19	2009-02-15	Ericsson Telefon Ab L M	Zusammengesetzte verstärkerstruktur
JP2004222151A (ja) *	2003-01-17	2004-08-05	Nec Corp	ドハーティ増幅器
GB2412515B (en) *	2004-03-13	2007-08-08	Filtronic Plc	A doherty amplifier
EP1758242A4 (de) *	2004-06-18	2008-04-09	Mitsubishi Electric Corp	Verstärker mit hohem wirkungsgrad
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
US20130078934A1 (en)	2011-04-08	2013-03-28	Gregory Rawlins	Systems and Methods of RF Power Transmission, Modulation, and Amplification
US7911272B2 (en)	2007-06-19	2011-03-22	Parkervision, Inc.	Systems and methods of RF power transmission, modulation, and amplification, including blended control embodiments
US8013675B2 (en)	2007-06-19	2011-09-06	Parkervision, Inc.	Combiner-less multiple input single output (MISO) amplification with blended control
US7248110B2 (en)	2005-12-06	2007-07-24	Harris Corporation	Modified doherty amplifier
US7831221B2 (en) *	2005-12-13	2010-11-09	Andrew Llc	Predistortion system and amplifier for addressing group delay modulation
DE602006015363D1 (de)	2006-04-10	2010-08-19	Ericsson Telefon Ab L M	Verfahren zum kompensieren von signalverzerrungen in zusammengesetzten verstärkern
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
US7937106B2 (en)	2006-04-24	2011-05-03	ParkerVision, Inc,	Systems and methods of RF power transmission, modulation, and amplification, including architectural embodiments of same
US20070286308A1 (en) *	2006-06-12	2007-12-13	Thomas Holtzman Williams	System and method for modulated signal generation method using two equal, constant-amplitude, adjustable-phase carrier waves
US7541866B2 (en) *	2006-09-29	2009-06-02	Nortel Networks Limited	Enhanced doherty amplifier with asymmetrical semiconductors
US20080122542A1 (en) *	2006-11-27	2008-05-29	Gregory Bowles	Enhanced amplifier with auxiliary path bias modulation
US7620129B2 (en)	2007-01-16	2009-11-17	Parkervision, Inc.	RF power transmission, modulation, and amplification, including embodiments for generating vector modulation control signals
WO2008144017A1 (en)	2007-05-18	2008-11-27	Parkervision, Inc.	Systems and methods of rf power transmission, modulation, and amplification
US7541868B2 (en) *	2007-05-31	2009-06-02	Andrew, Llc	Delay modulator pre-distortion circuit for an amplifier
WO2009005768A1 (en)	2007-06-28	2009-01-08	Parkervision, Inc.	Systems and methods of rf power transmission, modulation, and amplification
WO2009054765A1 (en) *	2007-10-26	2009-04-30	Telefonaktiebolaget Lm Ericsson (Publ)	Improved amplifying device
WO2009145887A1 (en)	2008-05-27	2009-12-03	Parkervision, Inc.	Systems and methods of rf power transmission, modulation, and amplification
US8140030B2 (en) *	2008-09-12	2012-03-20	Panasonic Corporation	Adaptive impedance converter adaptively controls load impedance
US8441321B2 (en)	2008-12-09	2013-05-14	Telefonaktiebolaget L M Ericsson (Publ)	Multi-stage amplifier
EP2715867A4 (de)	2011-06-02	2014-12-17	Parkervision Inc	Antennensteuerung
IN2014CN03801A (de)	2011-12-20	2015-10-16	Ericsson Telefon Ab L M
US8866541B2 (en) *	2012-04-20	2014-10-21	Analog Devices, Inc.	Distortion cancellation in analog circuits
US9124225B2 (en) *	2013-09-04	2015-09-01	Scintera Networks Llc	Dual power amplifier linearizer
WO2015042142A1 (en)	2013-09-17	2015-03-26	Parkervision, Inc.	Method, apparatus and system for rendering an information bearing function of time
US11689166B2 (en)	2021-02-04	2023-06-27	Analog Devices International Unlimited Company	Circuitry for reducing distortion over a wide frequency range
CN115481708B (zh) *	2022-10-31	2023-05-16	电子科技大学	一种增强型RFID系统及基于Doherty PA实现的能量自持式中继方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5901346A (en)	1996-12-11	1999-05-04	Motorola, Inc.	Method and apparatus utilizing a compensated multiple output signal source
US5880633A (en) *	1997-05-08	1999-03-09	Motorola, Inc.	High efficiency power amplifier
US6097252A (en)	1997-06-02	2000-08-01	Motorola, Inc.	Method and apparatus for high efficiency power amplification
US6262629B1 (en)	1999-07-06	2001-07-17	Motorola, Inc.	High efficiency power amplifier having reduced output matching networks for use in portable devices
US6731173B1 (en)	2000-10-23	2004-05-04	Skyworks Solutions, Inc.	Doherty bias circuit to dynamically compensate for process and environmental variations
US6396341B1 (en)	2000-12-29	2002-05-28	Ericsson Inc.	Class E Doherty amplifier topology for high efficiency signal transmitters
US6765440B2 (en)	2002-12-18	2004-07-20	Andrew Corporation	Model-based feed-forward linearization of amplifiers

2001
- 2001-05-18 SE SE0101774A patent/SE521268C2/sv unknown
2002
- 2002-03-27 WO PCT/SE2002/000606 patent/WO2002095933A1/en not_active Ceased
- 2002-03-27 US US10/476,002 patent/US6897721B2/en not_active Expired - Lifetime
- 2002-03-27 DE DE60218465T patent/DE60218465T2/de not_active Expired - Lifetime
- 2002-03-27 AT AT02714658T patent/ATE355651T1/de not_active IP Right Cessation
- 2002-03-27 EP EP02714658A patent/EP1402625B1/de not_active Expired - Lifetime

Also Published As

Publication number	Publication date
DE60218465T2 (de)	2007-11-29
SE0101774D0 (sv)	2001-05-18
US20040135630A1 (en)	2004-07-15
US6897721B2 (en)	2005-05-24
EP1402625B1 (de)	2007-02-28
DE60218465D1 (de)	2007-04-12
SE0101774L (sv)	2002-11-19
ATE355651T1 (de)	2006-03-15
WO2002095933A1 (en)	2002-11-28
EP1402625A1 (de)	2004-03-31

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