BRPI0919134A2 - amplificador de sinal, estação base, e, método para amplificar um sinal de entrada. - Google Patents

amplificador de sinal, estação base, e, método para amplificar um sinal de entrada.

Info

Publication number
BRPI0919134A2
BRPI0919134A2 BRPI0919134A BRPI0919134A BRPI0919134A2 BR PI0919134 A2 BRPI0919134 A2 BR PI0919134A2 BR PI0919134 A BRPI0919134 A BR PI0919134A BR PI0919134 A BRPI0919134 A BR PI0919134A BR PI0919134 A2 BRPI0919134 A2 BR PI0919134A2
Authority
BR
Brazil
Prior art keywords
amplifying
base station
signal
input signal
signal amplifier
Prior art date
Application number
BRPI0919134A
Other languages
English (en)
Inventor
Graham Dolman
Gregory John Bowles
Scott Widdowson
Original Assignee
Nortel Networks Ltd
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 Nortel Networks Ltd filed Critical Nortel Networks Ltd
Publication of BRPI0919134A2 publication Critical patent/BRPI0919134A2/pt

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
    • H03F1/04—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in discharge-tube amplifiers
    • H03F1/06—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in discharge-tube amplifiers to raise the efficiency of amplifying modulated radio frequency waves; to raise the efficiency of amplifiers acting also as modulators
    • H03F1/07—Doherty-type 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
    • H03F1/02—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
    • H03F1/02—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
    • H03F1/0261—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the polarisation voltage or current, e.g. gliding Class A
    • H03F1/0266—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the polarisation voltage or current, e.g. gliding Class A by using a signal derived from the input signal
    • 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
    • H03F1/0261—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the polarisation voltage or current, e.g. gliding Class A
    • H03F1/0272—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the polarisation voltage or current, e.g. gliding Class A by using a signal derived from the output signal
    • 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
    • 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
    • H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/15—Indexing scheme relating to amplifiers the supply or bias voltage or current at the drain side of a FET being continuously controlled by a controlling signal
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/321—Use of a microprocessor in an amplifier circuit or its control circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)
BRPI0919134A 2008-09-30 2009-09-28 amplificador de sinal, estação base, e, método para amplificar um sinal de entrada. BRPI0919134A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/241,424 US7619468B1 (en) 2008-09-30 2008-09-30 Doherty amplifier with drain bias supply modulation
PCT/CA2009/001354 WO2010037212A1 (en) 2008-09-30 2009-09-28 Enhanced doherty amplifier with bias supply modulation

Publications (1)

Publication Number Publication Date
BRPI0919134A2 true BRPI0919134A2 (pt) 2015-12-08

Family

ID=41279646

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0919134A BRPI0919134A2 (pt) 2008-09-30 2009-09-28 amplificador de sinal, estação base, e, método para amplificar um sinal de entrada.

Country Status (7)

Country Link
US (1) US7619468B1 (pt)
EP (1) EP2342817B1 (pt)
JP (1) JP2012504355A (pt)
KR (1) KR101349626B1 (pt)
CN (1) CN102165686B (pt)
BR (1) BRPI0919134A2 (pt)
WO (1) WO2010037212A1 (pt)

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FR2936911A1 (fr) * 2008-10-02 2010-04-09 Thomson Licensing Reseau de commande d'alimentation d'un systeme d'elements actifs
US8022768B1 (en) * 2008-12-19 2011-09-20 Nortel Networks Limited Doherty amplifier and method for operation thereof
CN102906996A (zh) * 2010-03-12 2013-01-30 中兴通讯股份有限公司 用于改善效率和线性度的分解发射系统及方法
KR101128487B1 (ko) * 2010-10-12 2012-06-21 포항공과대학교 산학협력단 전력 증폭기 선형화 방법 및 장치
EP2482448A1 (en) * 2011-01-31 2012-08-01 Alcatel Lucent Doherty amplifier and method of operating a Doherty amplifier
CN102170271A (zh) 2011-04-29 2011-08-31 中兴通讯股份有限公司 功率放大装置及功放电路
DE102011079613A1 (de) * 2011-06-30 2013-01-03 Rohde & Schwarz Gmbh & Co. Kg Doherty-Verstärker mit Wirkungsgradoptimierung
US8503967B2 (en) * 2011-08-04 2013-08-06 Mediatek Inc. Amplifier and associated receiver
JP5800360B2 (ja) * 2011-11-30 2015-10-28 住友電工デバイス・イノベーション株式会社 ドハティ増幅器
JP5858281B2 (ja) * 2011-12-21 2016-02-10 株式会社村田製作所 半導体装置
US8774742B2 (en) * 2012-01-18 2014-07-08 Qualcomm Incorporated High efficiency transmitter
US8514007B1 (en) 2012-01-27 2013-08-20 Freescale Semiconductor, Inc. Adjustable power splitter and corresponding methods and apparatus
JP5810989B2 (ja) * 2012-03-15 2015-11-11 富士通株式会社 増幅装置および制御方法
EP2658116A1 (en) * 2012-04-23 2013-10-30 Alcatel-Lucent Amplifier circuit
WO2014019071A1 (en) * 2012-07-31 2014-02-06 Fadhel Ghannouchi Extended bandwidth digital doherty transmitter
CN103633949B (zh) * 2012-08-21 2020-04-03 唯捷创芯(天津)电子技术股份有限公司 多模功率放大器、多模切换方法及其移动终端
US8593219B1 (en) * 2012-08-31 2013-11-26 Motorola Solutions, Inc. Method and apparatus for amplifying a radio frequency signal
US8622313B1 (en) * 2012-09-25 2014-01-07 Cambridge Silicon Radio Limited Near field communications device
JP6175805B2 (ja) * 2013-03-01 2017-08-09 富士通株式会社 受信装置
JP2015046795A (ja) * 2013-08-28 2015-03-12 株式会社東芝 電力増幅装置、及び電力増幅装置の制御方法
KR20160048120A (ko) * 2013-08-28 2016-05-03 델타노드 솔루션즈 아베 증폭 스테이지 작용점 결정
US9225291B2 (en) * 2013-10-29 2015-12-29 Freescale Semiconductor, Inc. Adaptive adjustment of power splitter
KR102073903B1 (ko) 2013-10-31 2020-03-02 삼성전자주식회사 무선 송신 장치에서 신호 이득을 제어하기 위한 장치 및 방법
JP5833094B2 (ja) * 2013-12-26 2015-12-16 株式会社東芝 電力増幅装置、及び電力増幅装置の制御方法
CN105900334B (zh) * 2014-01-16 2018-12-04 瑞典爱立信有限公司 用于调节峰值功率能力的方法和装置
ES2710661T3 (es) * 2014-08-11 2019-04-26 Huawei Tech Co Ltd Amplificador de potencia, unidad de radio remota y estación base
TWI672918B (zh) * 2014-08-17 2019-09-21 美商西凱渥資訊處理科技公司 用於使用３ｇ／４ｇ線性路徑組合之２ｇ放大之電路及方法
ITUB20153048A1 (it) * 2015-08-10 2017-02-10 Itelco Broadcast S R L Struttura di modulo amplificatore di potenza per radiofrequenza a doppio stadio, e amplificatore modulare che utilizza tali moduli
CN106253862A (zh) * 2016-08-04 2016-12-21 成都博思微科技有限公司 一种高等效带宽和高增益线性度的放大电路
US12009788B2 (en) * 2019-03-28 2024-06-11 Macom Technology Solutions Holdings, Inc. In-transistor load modulation
US12463322B1 (en) 2019-04-03 2025-11-04 Micro Mobio Corporation Antenna in display
US11515617B1 (en) 2019-04-03 2022-11-29 Micro Mobio Corporation Radio frequency active antenna system in a package
US12519427B2 (en) 2020-05-14 2026-01-06 Telefonaktiebolaget Lm Ericsson (Publ) Envelope controlled biasing of an auxiliary transmitter of a doherty power amplifier
CN111682852B (zh) * 2020-06-23 2024-01-26 重庆嘉旦微电子有限公司 基于功分比和相位可调电桥的高效率三路多尔蒂功率放大器
US11942911B2 (en) 2021-02-18 2024-03-26 Nuvoton Technology Corporation Japan Radio-frequency power amplifier device
CN112737530B (zh) * 2021-04-02 2021-06-18 成都理工大学 一种连续f类放大器
CN113872536A (zh) * 2021-09-28 2021-12-31 浙江信唐智芯科技有限公司 基于同步控制的功率放大器及具有该放大器的通信设备
JP2025509149A (ja) * 2022-03-15 2025-04-11 ファルコム，インク． デュアルドライブ・ドハティ電力増幅器ならびにこれに関連するシステムおよび方法
US20230387861A1 (en) * 2022-05-26 2023-11-30 Qorvo Us, Inc. Doherty power amplifier system
KR20240098483A (ko) * 2022-12-21 2024-06-28 삼성전자주식회사 증폭기의 비선형성 보상을 위한 다중 파일럿 운용 방법 및 장치
CN120128108A (zh) * 2023-12-08 2025-06-10 华为技术有限公司 功率放大器电路、芯片和发射机

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Also Published As

Publication number Publication date
KR20110066209A (ko) 2011-06-16
WO2010037212A1 (en) 2010-04-08
CN102165686A (zh) 2011-08-24
US7619468B1 (en) 2009-11-17
EP2342817A1 (en) 2011-07-13
EP2342817B1 (en) 2015-01-14
EP2342817A4 (en) 2012-06-13
JP2012504355A (ja) 2012-02-16
CN102165686B (zh) 2014-09-03
KR101349626B1 (ko) 2014-01-09

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Legal Events

Date Code Title Description
B25A Requested transfer of rights approved

Owner name: ROCKSTAR BIDCO, L.P. (US)

B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 9A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2481 DE 24-07-2018 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.