RU2012142252A - Передающая система и способ повышения кпд и линейности на принципах декомпозиции - Google Patents

Передающая система и способ повышения кпд и линейности на принципах декомпозиции Download PDF

Info

Publication number
RU2012142252A
RU2012142252A RU2012142252/08A RU2012142252A RU2012142252A RU 2012142252 A RU2012142252 A RU 2012142252A RU 2012142252/08 A RU2012142252/08 A RU 2012142252/08A RU 2012142252 A RU2012142252 A RU 2012142252A RU 2012142252 A RU2012142252 A RU 2012142252A
Authority
RU
Russia
Prior art keywords
unit
signal
principles
decomposition
branch
Prior art date
Application number
RU2012142252/08A
Other languages
English (en)
Russian (ru)
Inventor
Пол Гарет ЛЛОЙД
Original Assignee
ЗетТиИ Корпорейшн
ЗетТиИ Уистрон Телеком АБ
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 ЗетТиИ Корпорейшн, ЗетТиИ Уистрон Телеком АБ filed Critical ЗетТиИ Корпорейшн
Publication of RU2012142252A publication Critical patent/RU2012142252A/ru

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)
RU2012142252/08A 2010-03-12 2010-03-12 Передающая система и способ повышения кпд и линейности на принципах декомпозиции RU2012142252A (ru)

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 (1)

Publication Number Publication Date
RU2012142252A true RU2012142252A (ru) 2014-04-20

Family

ID=44563719

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2012142252/08A RU2012142252A (ru) 2010-03-12 2010-03-12 Передающая система и способ повышения кпд и линейности на принципах декомпозиции

Country Status (4)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104054260B (zh) * 2011-12-15 2016-11-09 爱立信(中国)通信有限公司 Doherty功率放大设备和方法
US8952754B2 (en) * 2013-03-15 2015-02-10 Imagine Communications Corp. Linearization of heterogeneous power amplifier systems
EP2882097A1 (de) * 2013-12-09 2015-06-10 Alcatel Lucent Verfahren für den optimierten Betrieb eines Doherty-Verstärkers und Doherty-Verstärker
DE102019000324A1 (de) 2019-01-20 2020-07-23 IAD Gesellschaft für Informatik, Automatisierung und Datenverarbeitung mbH Sende- und Empfangsvorrichtung mit einem Breitband HF-Leistungsverstärker, insbesondere N-Wege-Doherty Verstärker mit aktiver Lastmodulation
US11218118B2 (en) 2020-03-30 2022-01-04 Analog Devices International Unlimited Company Linearity optimizer for a millimeter-wave beamforming system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05191178A (ja) * 1992-01-16 1993-07-30 Japan Radio Co Ltd 電力増幅装置
US6472934B1 (en) * 2000-12-29 2002-10-29 Ericsson Inc. Triple class E Doherty amplifier topology for high efficiency signal transmitters
US20070164818A1 (en) * 2004-06-18 2007-07-19 Kenichi Horiguchi High efficiency amplifier
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
WO2008119164A1 (en) * 2007-03-30 2008-10-09 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

Also Published As

Publication number Publication date
WO2011112129A1 (en) 2011-09-15
EP2545644A1 (de) 2013-01-16
EP2545644A4 (de) 2013-09-18
CN102906996A (zh) 2013-01-30

Similar Documents

Publication Publication Date Title
US11444362B2 (en) Signal processing circuit, radio frequency signal transmitter, and communications device
WO2014068351A3 (en) Amplification stage and wideband power amplifier
RU2012142252A (ru) Передающая система и способ повышения кпд и линейности на принципах декомпозиции
WO2013127141A1 (zh) 一种数字预失真处理方法及装置
FR2926417B1 (fr) Filtre d'amplification de puissance de signaux radiofrequence
EP4350987A3 (de) Kopplung einer vorspannungsschaltung an einen verstärker mit einer adaptiven kopplungsanordnung
DE602005005176D1 (de) Doherty-verstärker
GB2503380A (en) A method for pre-distorting and a pre-distorter
US10075324B2 (en) Predistortion processing apparatus and method
EP2380280A4 (de) Selektive spitzenleistungsminderung
TW200807979A (en) Multilevel LINC transmitter
JP2007116745A5 (de)
WO2015135267A1 (zh) 功放电路、功率放大装置及其宽带匹配方法
WO2011084790A3 (en) Flexible wireless network system and method of use
CN103518331B (zh) 发射机和用于信号发射的方法
WO2020076172A3 (en) Digital controlled multi stage smart combiner
CN111654243B (zh) 功率放大装置、波束成形系统、发射机和基站
WO2008117400A1 (ja) 無線送信装置
RU2013137455A (ru) Сигнальный процессор и способ обработки сигналов
SE0200861D0 (sv) An implementatin method for pre-distortion of non-linear devices
US20070223933A1 (en) Optical transmitter with feed-forward compensation
JP2014175760A (ja) 非対称ドハティ電力増幅器
CN203278753U (zh) 具有三路合路二次对消功能的高效率放大器
CN105474534B (zh) 一种基于异相相位调制功放的功率放大方法以及设备
JP2009303136A (ja) 分散予等化光送信器