EP2545644A4 - A decomposition transmitting system and method for improving efficiency and linearity - Google Patents

A decomposition transmitting system and method for improving efficiency and linearity

Info

Publication number
EP2545644A4
EP2545644A4 EP10847574.0A EP10847574A EP2545644A4 EP 2545644 A4 EP2545644 A4 EP 2545644A4 EP 10847574 A EP10847574 A EP 10847574A EP 2545644 A4 EP2545644 A4 EP 2545644A4
Authority
EP
European Patent Office
Prior art keywords
linearity
transmitting system
improving efficiency
decomposition
decomposition transmitting
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP10847574.0A
Other languages
German (de)
French (fr)
Other versions
EP2545644A1 (en
Inventor
Paul Gareth Lloyd
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZTE Corp
ZTE Wistron Telecom AB
Original Assignee
ZTE Corp
ZTE Wistron Telecom AB
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 ZTE Corp, ZTE Wistron Telecom AB filed Critical ZTE Corp
Publication of EP2545644A1 publication Critical patent/EP2545644A1/en
Publication of EP2545644A4 publication Critical patent/EP2545644A4/en
Withdrawn legal-status Critical Current

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
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
    • 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
    • H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • H03F1/3247—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using feedback acting on predistortion circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/189—High-frequency amplifiers, e.g. radio frequency 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
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/211—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several 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
    • H03F3/245—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages with semiconductor devices only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2201/00—Indexing scheme relating to details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements covered by H03F1/00
    • H03F2201/32—Indexing scheme relating to modifications of amplifiers to reduce non-linear distortion
    • H03F2201/3209—Indexing scheme relating to modifications of amplifiers to reduce non-linear distortion the amplifier comprising means for compensating memory effects
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2201/00—Indexing scheme relating to details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements covered by H03F1/00
    • H03F2201/32—Indexing scheme relating to modifications of amplifiers to reduce non-linear distortion
    • H03F2201/3212—Using a control circuit to adjust amplitude and phase of a signal in a signal path
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2201/00—Indexing scheme relating to details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements covered by H03F1/00
    • H03F2201/32—Indexing scheme relating to modifications of amplifiers to reduce non-linear distortion
    • H03F2201/3224—Predistortion being done for compensating memory effects
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2201/00—Indexing scheme relating to details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements covered by H03F1/00
    • H03F2201/32—Indexing scheme relating to modifications of amplifiers to reduce non-linear distortion
    • H03F2201/3233—Adaptive predistortion using lookup table, e.g. memory, RAM, ROM, LUT, to generate the predistortion
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/20—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F2203/21—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F2203/211—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
    • H03F2203/21106—An input signal being distributed in parallel over the inputs of a plurality of power amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/20—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F2203/21—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F2203/211—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
    • H03F2203/21142—Output signals of a plurality of power amplifiers are parallel combined to a common output

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
EP10847574.0A 2010-03-12 2010-03-12 A decomposition transmitting system and method for improving efficiency and linearity Withdrawn EP2545644A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE2010/050279 WO2011112129A1 (en) 2010-03-12 2010-03-12 A decomposition transmitting system and method for improving efficiency and linearity

Publications (2)

Publication Number Publication Date
EP2545644A1 EP2545644A1 (en) 2013-01-16
EP2545644A4 true EP2545644A4 (en) 2013-09-18

Family

ID=44563719

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10847574.0A Withdrawn EP2545644A4 (en) 2010-03-12 2010-03-12 A decomposition transmitting system and method for improving efficiency and linearity

Country Status (4)

Country Link
EP (1) EP2545644A4 (en)
CN (1) CN102906996A (en)
RU (1) RU2012142252A (en)
WO (1) WO2011112129A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013086658A1 (en) 2011-12-15 2013-06-20 Telefonaktiebolaget L M Ericsson (Publ) Doherty power amplification apparatus and method
US8952754B2 (en) * 2013-03-15 2015-02-10 Imagine Communications Corp. Linearization of heterogeneous power amplifier systems
EP2882097A1 (en) * 2013-12-09 2015-06-10 Alcatel Lucent Method for optimizing operation of a doherty amplifier and doherty amplifier
DE102019000324A1 (en) * 2019-01-20 2020-07-23 IAD Gesellschaft für Informatik, Automatisierung und Datenverarbeitung mbH Transmitting and receiving device with a broadband RF power amplifier, in particular N-way Doherty amplifier with active load modulation
US11218118B2 (en) 2020-03-30 2022-01-04 Analog Devices International Unlimited Company Linearity optimizer for a millimeter-wave beamforming system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6472934B1 (en) * 2000-12-29 2002-10-29 Ericsson Inc. Triple class E Doherty amplifier topology for high efficiency signal transmitters
US20060001485A1 (en) * 2004-07-02 2006-01-05 Icefyre Semiconductor Corporation Power amplifier
US20080111622A1 (en) * 2006-11-14 2008-05-15 Roland Sperlich Hybrid Doherty Amplifier System and Method
US20080238544A1 (en) * 2007-03-30 2008-10-02 Nortel Networks Limited Amplifier pre-distortion systems and methods
US7619468B1 (en) * 2008-09-30 2009-11-17 Nortel Networks Limited Doherty amplifier with drain bias supply modulation

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05191178A (en) * 1992-01-16 1993-07-30 Japan Radio Co Ltd Power amplifier
WO2005124994A1 (en) * 2004-06-18 2005-12-29 Mitsubishi Denki Kabushiki Kaisha High-efficiency amplifier

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6472934B1 (en) * 2000-12-29 2002-10-29 Ericsson Inc. Triple class E Doherty amplifier topology for high efficiency signal transmitters
US20060001485A1 (en) * 2004-07-02 2006-01-05 Icefyre Semiconductor Corporation Power amplifier
US20080111622A1 (en) * 2006-11-14 2008-05-15 Roland Sperlich Hybrid Doherty Amplifier System and Method
US20080238544A1 (en) * 2007-03-30 2008-10-02 Nortel Networks Limited Amplifier pre-distortion systems and methods
US7619468B1 (en) * 2008-09-30 2009-11-17 Nortel Networks Limited Doherty amplifier with drain bias supply modulation

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2011112129A1 *

Also Published As

Publication number Publication date
RU2012142252A (en) 2014-04-20
CN102906996A (en) 2013-01-30
EP2545644A1 (en) 2013-01-16
WO2011112129A1 (en) 2011-09-15

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Effective date: 20130821

RIC1 Information provided on ipc code assigned before grant

Ipc: H03F 1/32 20060101ALI20130815BHEP

Ipc: H03F 1/02 20060101AFI20130815BHEP

Ipc: H03F 3/189 20060101ALI20130815BHEP

Ipc: H03F 1/30 20060101ALI20130815BHEP

Ipc: H03F 3/24 20060101ALI20130815BHEP

STAA Information on the status of an ep patent application or granted ep patent

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Effective date: 20140318