DE60232824D1 - Leistungsverstärkungsvorrichtung eines tragbaren endgeräts - Google Patents

Leistungsverstärkungsvorrichtung eines tragbaren endgeräts

Info

Publication number
DE60232824D1
DE60232824D1 DE60232824T DE60232824T DE60232824D1 DE 60232824 D1 DE60232824 D1 DE 60232824D1 DE 60232824 T DE60232824 T DE 60232824T DE 60232824 T DE60232824 T DE 60232824T DE 60232824 D1 DE60232824 D1 DE 60232824D1
Authority
DE
Germany
Prior art keywords
amplifier
power amplifier
power
input voltage
supplemental
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.)
Expired - Lifetime
Application number
DE60232824T
Other languages
English (en)
Inventor
Youngwoo Kwon
Junghyun Kim
Sung-Jun Bae
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.)
Avago Technologies International Sales Pte Ltd
Original Assignee
Avago Technologies Wireless IP Singapore Pte 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 Avago Technologies Wireless IP Singapore Pte Ltd filed Critical Avago Technologies Wireless IP Singapore Pte Ltd
Application granted granted Critical
Publication of DE60232824D1 publication Critical patent/DE60232824D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H03F1/0211—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 supply voltage or current
    • H03F1/0216—Continuous control
    • H03F1/0233—Continuous control by using a signal derived from the output signal, e.g. bootstrapping the voltage supply
    • 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
    • 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
    • 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
    • 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
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/102—A non-specified detector of a signal envelope being used in an amplifying circuit
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/423—Amplifier output adaptation especially for transmission line coupling purposes, e.g. impedance adaptation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/543—A transmission line being used as coupling element between two amplifying stages
    • 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
    • H04B2001/0408—Circuits with power amplifiers
    • H04B2001/045—Circuits with power amplifiers with means for improving efficiency
DE60232824T 2002-02-01 2002-02-04 Leistungsverstärkungsvorrichtung eines tragbaren endgeräts Expired - Lifetime DE60232824D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020020005924A KR100553252B1 (ko) 2002-02-01 2002-02-01 휴대용 단말기의 전력 증폭 장치
PCT/KR2002/000163 WO2003065599A1 (en) 2002-02-01 2002-02-04 Power amplification apparatus of portable terminal

Publications (1)

Publication Number Publication Date
DE60232824D1 true DE60232824D1 (de) 2009-08-13

Family

ID=27656362

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60232824T Expired - Lifetime DE60232824D1 (de) 2002-02-01 2002-02-04 Leistungsverstärkungsvorrichtung eines tragbaren endgeräts

Country Status (9)

Country Link
US (5) US7345535B2 (de)
EP (1) EP1476949B1 (de)
JP (1) JP4252458B2 (de)
KR (1) KR100553252B1 (de)
CN (1) CN100559719C (de)
AT (1) ATE435529T1 (de)
CA (1) CA2474975A1 (de)
DE (1) DE60232824D1 (de)
WO (1) WO2003065599A1 (de)

Families Citing this family (166)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100553252B1 (ko) 2002-02-01 2006-02-20 아바고테크놀로지스코리아 주식회사 휴대용 단말기의 전력 증폭 장치
US6985704B2 (en) 2002-05-01 2006-01-10 Dali Yang System and method for digital memorized predistortion for wireless communication
US8380143B2 (en) 2002-05-01 2013-02-19 Dali Systems Co. Ltd Power amplifier time-delay invariant predistortion methods and apparatus
US8472897B1 (en) 2006-12-22 2013-06-25 Dali Systems Co. Ltd. Power amplifier predistortion methods and apparatus
US8811917B2 (en) * 2002-05-01 2014-08-19 Dali Systems Co. Ltd. Digital hybrid mode power amplifier system
US8064850B2 (en) 2002-05-01 2011-11-22 Dali Systems Co., Ltd. High efficiency linearization power amplifier for wireless communication
US6922102B2 (en) 2003-03-28 2005-07-26 Andrew Corporation High efficiency amplifier
KR101123505B1 (ko) * 2003-03-28 2012-03-12 앤드류 엘엘씨 고 효율 증폭기 및 그의 설계 방법
WO2005043747A2 (en) * 2003-10-21 2005-05-12 Wavics, Inc. High linearity doherty communication amplifier with bias control
GB2412515B (en) * 2004-03-13 2007-08-08 Filtronic Plc A doherty amplifier
KR100543729B1 (ko) * 2004-03-24 2006-01-20 아바고테크놀로지스코리아 주식회사 열 방출 효율이 높고 두께는 물론 크기를 감소시킨 고주파모듈 패키지 및 그 조립 방법
WO2006003608A1 (en) * 2004-06-29 2006-01-12 Koninklijke Philips Electronics N.V. Integrated doherty type amplifier arrangement with high power efficiency
US20060001485A1 (en) * 2004-07-02 2006-01-05 Icefyre Semiconductor Corporation Power amplifier
JP4715994B2 (ja) * 2004-08-26 2011-07-06 日本電気株式会社 ドハティ増幅器並列運転回路
JP4175545B2 (ja) * 2004-09-03 2008-11-05 ソニー・エリクソン・モバイルコミュニケーションズ株式会社 無線通信端末
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
US7327803B2 (en) 2004-10-22 2008-02-05 Parkervision, Inc. Systems and methods for vector power amplification
US7148746B2 (en) 2004-10-26 2006-12-12 Andrew Corporation High efficiency amplifier
KR100654650B1 (ko) * 2004-11-25 2006-12-08 아바고테크놀로지스코리아 주식회사 하이브리드 커플러가 없는 직렬구조의 도허티 증폭기
US7248108B2 (en) 2004-12-29 2007-07-24 Agere Systems Inc. Power amplifier employing thin film ferroelectric phase shift element
JP2006222551A (ja) * 2005-02-08 2006-08-24 Fujitsu Media Device Kk 電子回路装置
US7474880B2 (en) * 2005-03-24 2009-01-06 Broadcom Corporation Linear and non-linear dual mode transmitter
US7193473B2 (en) * 2005-03-24 2007-03-20 Cree, Inc. High power Doherty amplifier using multi-stage modules
JP4282655B2 (ja) * 2005-03-30 2009-06-24 株式会社東芝 無線送信機および増幅器
US7548733B2 (en) * 2005-03-31 2009-06-16 Broadcom Corporation Wireless transmitter having multiple power amplifier drivers (PADs) that are selectively biased to provide substantially linear magnitude and phase responses
US7183858B2 (en) * 2005-03-31 2007-02-27 Broadcom Corporation Wireless transmitter having multiple programmable gain amplifiers (PGAs) with tuned impedance to provide substantially linear magnitude and phase responses
US7295074B2 (en) * 2005-03-31 2007-11-13 Beceem Communications Inc. Doherty power amplifier with phase compensation
CN101180792A (zh) * 2005-05-20 2008-05-14 Nxp股份有限公司 高功率效率的集成多赫尔蒂型放大器结构
US7696841B2 (en) 2005-06-23 2010-04-13 Avago Technologies Wireless Ip (Singapore) Pte. Ltd. Power amplifier utilizing quadrature hybrid for power dividing, combining and impedance matching
JP2007043305A (ja) * 2005-08-01 2007-02-15 Mitsubishi Electric Corp 高効率増幅器
JP2007053540A (ja) * 2005-08-17 2007-03-01 Nec Corp ドハティ型増幅器
CN101233684B (zh) 2005-10-17 2011-08-24 株式会社日立国际电气 非线形失真检测方法和失真补偿放大装置
JP4792273B2 (ja) 2005-10-18 2011-10-12 株式会社日立国際電気 増幅器
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
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
ATE545198T1 (de) * 2005-12-30 2012-02-15 Ericsson Telefon Ab L M Effizienter zusammengesetzter verstärker
WO2007077409A1 (en) * 2006-01-05 2007-07-12 Filtronic Plc An active load pull amplifier
WO2007112769A1 (en) * 2006-03-31 2007-10-11 Freescale Semiconductor, Inc. Power amplifier with pre-distorter
US7414478B2 (en) * 2006-03-31 2008-08-19 Intel Corporation Integrated parallel power amplifier
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
JP4831571B2 (ja) * 2006-05-02 2011-12-07 富士通株式会社 増幅器ユニット及びその故障検出方法
KR100749870B1 (ko) * 2006-06-07 2007-08-17 (주) 와이팜 도허티 전력 증폭 장치
JP2008035487A (ja) * 2006-06-19 2008-02-14 Renesas Technology Corp Ｒｆ電力増幅器
US8315336B2 (en) 2007-05-18 2012-11-20 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including a switching stage embodiment
US7486136B2 (en) * 2006-09-26 2009-02-03 Infineon Technologies Ag Power amplifier
US7541866B2 (en) * 2006-09-29 2009-06-02 Nortel Networks Limited Enhanced doherty amplifier with asymmetrical semiconductors
US7956628B2 (en) * 2006-11-03 2011-06-07 International Business Machines Corporation Chip-based prober for high frequency measurements and methods of measuring
US20100026387A1 (en) * 2006-11-23 2010-02-04 Nxp, B.V. Integrated doherty type amplifier arrangement with high power efficiency
US20080122542A1 (en) * 2006-11-27 2008-05-29 Gregory Bowles Enhanced amplifier with auxiliary path bias modulation
CN101563840B (zh) * 2006-12-19 2012-06-06 三菱电机株式会社 电力放大装置
CN104202279A (zh) * 2006-12-26 2014-12-10 大力系统有限公司 用于多信道宽带通信系统中的基带预失真线性化的方法和系统
US9026067B2 (en) * 2007-04-23 2015-05-05 Dali Systems Co. Ltd. Remotely reconfigurable power amplifier system and method
US7620129B2 (en) * 2007-01-16 2009-11-17 Parkervision, Inc. RF power transmission, modulation, and amplification, including embodiments for generating vector modulation control signals
US7782765B2 (en) 2007-01-22 2010-08-24 Harris Stratex Networks Operating Corporation Distributed protection switching architecture for point-to-point microwave radio systems
US8095088B2 (en) * 2007-05-17 2012-01-10 Harris Stratex Networks Operating Corporation Compact wide dynamic range transmitter for point to point radio
US20080219246A1 (en) * 2007-03-08 2008-09-11 Northrop Grumman Space And Mission Systems Corp. System and method for switching using coordinated phase shifters
EP2145385B1 (de) * 2007-04-23 2018-10-17 Dali Systems Co. Ltd N-fach verteilter doherty-leistungsverstärker
US8274332B2 (en) 2007-04-23 2012-09-25 Dali Systems Co. Ltd. N-way Doherty distributed power amplifier with power tracking
WO2008156800A1 (en) 2007-06-19 2008-12-24 Parkervision, Inc. Combiner-less multiple input single output (miso) amplification with blended control
WO2009005768A1 (en) * 2007-06-28 2009-01-08 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
US8224266B2 (en) * 2007-08-30 2012-07-17 Dali Systems Co., Ltd. Power amplifier predistortion methods and apparatus using envelope and phase detector
CN101388648B (zh) * 2007-09-14 2011-08-10 财团法人工业技术研究院 多频多模式功率放大电路以及其操作方法
JP5169122B2 (ja) * 2007-10-09 2013-03-27 住友電気工業株式会社 ドハティ増幅装置
JP2009100429A (ja) * 2007-10-19 2009-05-07 Hitachi Kokusai Electric Inc ドハティ増幅器
US8013680B2 (en) * 2007-11-05 2011-09-06 Viasat, Inc. Distributed Doherty amplifiers
JP5250636B2 (ja) * 2007-12-07 2013-07-31 ダリ システムズ カンパニー リミテッド ベースバンド導出ｒｆデジタルプリディストーション
JP4950083B2 (ja) * 2008-01-15 2012-06-13 ルネサスエレクトロニクス株式会社 高効率電力増幅器
JP2009260472A (ja) * 2008-04-14 2009-11-05 Mitsubishi Electric Corp 電力増幅器
WO2009145887A1 (en) * 2008-05-27 2009-12-03 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
CN101350599B (zh) * 2008-08-25 2010-11-03 华为技术有限公司 一种功率放大方法、装置和基站
KR101576558B1 (ko) * 2008-11-27 2015-12-10 삼성전자주식회사 위상을 제어할 수 있는 직교 신호 위상 제어기
US7961048B2 (en) 2008-12-12 2011-06-14 Samsung Electro-Mechanics Company Integrated power amplifiers for use in wireless communication devices
KR20100069454A (ko) * 2008-12-16 2010-06-24 삼성전자주식회사 도허티 전력 증폭기의 성능 개선 방법 및 장치
KR101066639B1 (ko) 2009-09-30 2011-09-22 주식회사 피플웍스 바이어스 혼합 전력 증폭 장치
EP2339745A1 (de) 2009-12-15 2011-06-29 Nxp B.V. Doherty-Verstärker
US8447245B2 (en) * 2010-01-22 2013-05-21 Freescale Semiconductor, Inc. Radio frequency transmitter having an amplifier with power supply modulation
US20110193624A1 (en) * 2010-02-08 2011-08-11 Harris Corporation Tunable impedance inverter for doherty amplifier circuit
WO2011133542A1 (en) 2010-04-19 2011-10-27 Rf Micro Devices, Inc. Pseudo-envelope following power management system
US9431974B2 (en) 2010-04-19 2016-08-30 Qorvo Us, Inc. Pseudo-envelope following feedback delay compensation
US9099961B2 (en) 2010-04-19 2015-08-04 Rf Micro Devices, Inc. Output impedance compensation of a pseudo-envelope follower power management system
US8314654B2 (en) * 2010-05-17 2012-11-20 Alcatel Lucent Multi-band high-efficiency Doherty amplifier
US8410853B2 (en) * 2010-06-01 2013-04-02 Nxp B.V. Inductive circuit arrangement
EP2403135B1 (de) * 2010-06-24 2013-12-11 Alcatel Lucent Leistungsverstärker für mobile Telekommunikation
JP5527047B2 (ja) 2010-06-29 2014-06-18 富士通株式会社 増幅装置
KR102136940B1 (ko) 2010-09-14 2020-07-23 달리 시스템즈 씨오. 엘티디. 원격으로 재구성가능한 분산 안테나 시스템 및 방법
US9954436B2 (en) 2010-09-29 2018-04-24 Qorvo Us, Inc. Single μC-buckboost converter with multiple regulated supply outputs
KR101128486B1 (ko) * 2010-11-23 2012-03-27 포항공과대학교 산학협력단 전력 증폭 장치
US8749309B2 (en) 2010-12-05 2014-06-10 Rf Micro Devices (Cayman Islands), Ltd. Gate-based output power level control power amplifier
WO2012118874A2 (en) * 2011-03-03 2012-09-07 Thomson Licensing Apparatus and method for processing a radio frequency signal
US9379667B2 (en) 2011-05-05 2016-06-28 Rf Micro Devices, Inc. Multiple power supply input parallel amplifier based envelope tracking
US9247496B2 (en) 2011-05-05 2016-01-26 Rf Micro Devices, Inc. Power loop control based envelope tracking
US9246460B2 (en) 2011-05-05 2016-01-26 Rf Micro Devices, Inc. Power management architecture for modulated and constant supply operation
US20130293295A1 (en) * 2011-05-17 2013-11-07 Electronics And Telecommunications Research Institute Compact rf power amplifier
EP2715867A4 (de) 2011-06-02 2014-12-17 Parkervision Inc Antennensteuerung
US9263996B2 (en) 2011-07-20 2016-02-16 Rf Micro Devices, Inc. Quasi iso-gain supply voltage function for envelope tracking systems
CN103988406B (zh) 2011-10-26 2017-03-01 Qorvo美国公司 射频(rf)开关转换器以及使用rf开关转换器的rf放大装置
US9484797B2 (en) 2011-10-26 2016-11-01 Qorvo Us, Inc. RF switching converter with ripple correction
US9515621B2 (en) 2011-11-30 2016-12-06 Qorvo Us, Inc. Multimode RF amplifier system
US9250643B2 (en) 2011-11-30 2016-02-02 Rf Micro Devices, Inc. Using a switching signal delay to reduce noise from a switching power supply
US9256234B2 (en) 2011-12-01 2016-02-09 Rf Micro Devices, Inc. Voltage offset loop for a switching controller
US9041365B2 (en) 2011-12-01 2015-05-26 Rf Micro Devices, Inc. Multiple mode RF power converter
US9280163B2 (en) 2011-12-01 2016-03-08 Rf Micro Devices, Inc. Average power tracking controller
US9494962B2 (en) 2011-12-02 2016-11-15 Rf Micro Devices, Inc. Phase reconfigurable switching power supply
US9071211B1 (en) * 2011-12-15 2015-06-30 Anadigics, Inc. Compact doherty combiner
US9813036B2 (en) 2011-12-16 2017-11-07 Qorvo Us, Inc. Dynamic loadline power amplifier with baseband linearization
US9298198B2 (en) 2011-12-28 2016-03-29 Rf Micro Devices, Inc. Noise reduction for envelope tracking
CN102571131B (zh) 2012-01-12 2017-02-15 中兴通讯股份有限公司 电源装置及其管理电源的方法和无线通信终端
US8964825B2 (en) * 2012-02-17 2015-02-24 International Business Machines Corporation Analog signal current integrators with tunable peaking function
US8717099B2 (en) 2012-03-16 2014-05-06 Infineon Technologies Ag Wideband doherty amplifier circuit with peaking impedance absorption
US8598951B1 (en) 2012-04-02 2013-12-03 Anadigics, Inc. Linear multi-mode power amplifier for dynamic supply operation
CN103580612A (zh) * 2012-08-10 2014-02-12 中兴通讯股份有限公司 功率放大管装置、多路射频功率放大电路及其实现方法
US8816775B2 (en) * 2012-09-13 2014-08-26 Freescale Semiconductor, Inc. Quiescent current determination using in-package voltage measurements
US9225231B2 (en) 2012-09-14 2015-12-29 Rf Micro Devices, Inc. Open loop ripple cancellation circuit in a DC-DC converter
EP2712076A1 (de) * 2012-09-19 2014-03-26 Alcatel-Lucent Leistungsverstärker für mobile Telekommunikation
WO2014062902A1 (en) 2012-10-18 2014-04-24 Rf Micro Devices, Inc Transitioning from envelope tracking to average power tracking
US8829998B2 (en) 2012-10-23 2014-09-09 Airspan Networks Inc. Doherty power amplifier
US9627975B2 (en) 2012-11-16 2017-04-18 Qorvo Us, Inc. Modulated power supply system and method with automatic transition between buck and boost modes
JP2014116757A (ja) * 2012-12-07 2014-06-26 Samsung Electronics Co Ltd 増幅回路及び通信装置
US9431969B2 (en) 2012-12-11 2016-08-30 Rf Micro Devices, Inc. Doherty power amplifier with tunable impedance load
US9300252B2 (en) 2013-01-24 2016-03-29 Rf Micro Devices, Inc. Communications based adjustments of a parallel amplifier power supply
WO2014152876A1 (en) 2013-03-14 2014-09-25 Rf Micro Devices, Inc Noise conversion gain limited rf power amplifier
US9197162B2 (en) 2013-03-14 2015-11-24 Rf Micro Devices, Inc. Envelope tracking power supply voltage dynamic range reduction
US9479118B2 (en) * 2013-04-16 2016-10-25 Rf Micro Devices, Inc. Dual instantaneous envelope tracking
US9397617B2 (en) * 2013-06-25 2016-07-19 Rf Micro Devices, Inc. Multi-broadband Doherty power amplifier
US9407214B2 (en) * 2013-06-28 2016-08-02 Cree, Inc. MMIC power amplifier
US9374005B2 (en) 2013-08-13 2016-06-21 Rf Micro Devices, Inc. Expanded range DC-DC converter
EP3047348A4 (de) 2013-09-17 2016-09-07 Parkervision Inc Verfahren, vorrichtung und system für die darstellung einer datenträgerzeitfunktion
US9948243B2 (en) 2013-09-30 2018-04-17 Qorvo Us, Inc. Reconfigurable load modulation amplifier
US9484865B2 (en) 2013-09-30 2016-11-01 Qorvo Us, Inc. Reconfigurable load modulation amplifier
US9369095B2 (en) 2014-01-27 2016-06-14 Rf Micro Devices, Inc. Unbalanced linear power amplifier
US9912298B2 (en) * 2014-05-13 2018-03-06 Skyworks Solutions, Inc. Systems and methods related to linear load modulated power amplifiers
US9614476B2 (en) 2014-07-01 2017-04-04 Qorvo Us, Inc. Group delay calibration of RF envelope tracking
US9800207B2 (en) 2014-08-13 2017-10-24 Skyworks Solutions, Inc. Doherty power amplifier combiner with tunable impedance termination circuit
CN105490645B (zh) * 2014-09-16 2018-06-26 上海诺基亚贝尔股份有限公司 一种高效的多赫迪功率放大器
US9899961B2 (en) * 2015-02-15 2018-02-20 Skyworks Solutions, Inc. Enhanced amplifier efficiency through cascode current steering
KR101701025B1 (ko) * 2015-02-17 2017-02-01 삼성전기주식회사 전력증폭기용 입력 드라이버 및 송신기
US9614479B2 (en) 2015-07-01 2017-04-04 Telefonaktiebolaget Lm Ericsson (Publ) Class-B/C Doherty power amplifier
US9912297B2 (en) 2015-07-01 2018-03-06 Qorvo Us, Inc. Envelope tracking power converter circuitry
US9948240B2 (en) 2015-07-01 2018-04-17 Qorvo Us, Inc. Dual-output asynchronous power converter circuitry
US10489155B2 (en) * 2015-07-21 2019-11-26 Qualcomm Incorporated Mixed-width SIMD operations using even/odd register pairs for wide data elements
CN105281694A (zh) * 2015-08-07 2016-01-27 杭州中威电子股份有限公司 一种5.8GHz相位自适应功率放大器合路系统及其实现方法
US9973147B2 (en) 2016-05-10 2018-05-15 Qorvo Us, Inc. Envelope tracking power management circuit
EP3255796B1 (de) 2016-06-08 2020-01-08 NXP USA, Inc. Verfahren und vorrichtung zur erzeugung eines ladungspumpensteuersignals
EP3312990B1 (de) * 2016-10-24 2019-12-11 NXP USA, Inc. Verstärkervorrichtungen mit eingangsleitungs-abschlussschaltungen
JP7039826B2 (ja) * 2016-11-09 2022-03-23 サムソン エレクトロ－メカニックス カンパニーリミテッド． ドハティ型増幅器
US10379854B2 (en) * 2016-12-22 2019-08-13 Intel Corporation Processor instructions for determining two minimum and two maximum values
US11233483B2 (en) 2017-02-02 2022-01-25 Macom Technology Solutions Holdings, Inc. 90-degree lumped and distributed Doherty impedance inverter
CN110785928B (zh) 2017-04-24 2023-12-05 麦克姆技术解决方案控股有限公司 具有大rf分数和瞬时带宽的反向多尔蒂功率放大器
US11245363B2 (en) 2017-04-24 2022-02-08 Macom Technology Solutions Holdings, Inc. Efficiency, symmetrical Doherty power amplifier
CN111480292B (zh) 2017-10-02 2024-03-29 镁可微波技术有限公司 空载调制高效功率放大器
JP6729986B2 (ja) * 2017-11-15 2020-07-29 三菱電機株式会社 ドハティ増幅器及びドハティ増幅回路
WO2019170234A1 (en) * 2018-03-07 2019-09-12 Telefonaktiebolaget Lm Ericsson (Publ) Linear doherty power amplifier
US10476437B2 (en) 2018-03-15 2019-11-12 Qorvo Us, Inc. Multimode voltage tracker circuit
US11043921B2 (en) * 2018-07-20 2021-06-22 Qorvo Us, Inc. Doherty amplifier system
JP7206754B2 (ja) 2018-09-27 2023-01-18 富士通株式会社 増幅装置、無線通信装置及び増幅装置の制御方法
EP3861633A1 (de) 2018-10-05 2021-08-11 MACOM Technology Solutions Holdings, Inc. Leistungsverstärker mit geringer lastmodulation
CN109546987B (zh) * 2018-11-16 2021-09-03 西安电子科技大学 宽带有源移相器
EP3944493B1 (de) * 2019-04-25 2023-04-05 Mitsubishi Electric Corporation Doherty-verstärker und kommunikationsvorrichtung
US11201593B2 (en) 2019-12-11 2021-12-14 Qorvo Us, Inc. Doherty power amplifier system
US11888448B2 (en) 2019-12-30 2024-01-30 Macom Technology Solutions Holdings, Inc. Low-load-modulation broadband amplifier
US11588507B2 (en) * 2020-11-16 2023-02-21 Qorvo Us, Inc. Radio frequency front-end
KR20220085597A (ko) * 2020-12-15 2022-06-22 삼성전자주식회사 무선 통신 시스템에서 전력 증폭기 필터 및 이를 포함하는 전자 장치
KR20230022356A (ko) * 2021-08-06 2023-02-15 삼성전자주식회사 커플러를 이용한 전력 증폭기 및 이를 포함하는 전자 장치

Family Cites Families (36)

* 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
GB2060297B (en) * 1979-08-14 1983-09-01 Marconi Co Ltd Modulating amplifiers
US5420541A (en) * 1993-06-04 1995-05-30 Raytheon Company Microwave doherty amplifier
US5568086A (en) * 1995-05-25 1996-10-22 Motorola, Inc. Linear power amplifier for high efficiency multi-carrier performance
US5739723A (en) * 1995-12-04 1998-04-14 Motorola, Inc. Linear power amplifier using active bias for high efficiency and method thereof
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
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
US5886575A (en) * 1997-09-30 1999-03-23 Motorola, Inc. Apparatus and method for amplifying a signal
US6084468A (en) * 1997-10-06 2000-07-04 Motorola, Inc. Method and apparatus for high efficiency wideband power amplification
US6285251B1 (en) * 1998-04-02 2001-09-04 Ericsson Inc. Amplification systems and methods using fixed and modulated power supply voltages and buck-boost control
US6128479A (en) * 1998-06-04 2000-10-03 Motorola, Inc. Radio frequency amplifier structure
WO2000046931A1 (de) * 1999-02-03 2000-08-10 Siemens Aktiengesellschaft Integriertes antennenkopplerelement
DE19907987C2 (de) * 1999-02-25 2001-05-23 Bayer Ag Weiche, thermoplastische Formmassen
CN1355824A (zh) * 1999-06-18 2002-06-26 伊斯曼化学公司 尼龙6－聚硅氧烷共混物
US6262629B1 (en) * 1999-07-06 2001-07-17 Motorola, Inc. High efficiency power amplifier having reduced output matching networks for use in portable devices
US6374092B1 (en) * 1999-12-04 2002-04-16 Motorola, Inc. Efficient multimode power amplifier
US6356149B1 (en) * 2000-04-10 2002-03-12 Motorola, Inc. Tunable inductor circuit, phase tuning circuit and applications thereof
US6320462B1 (en) * 2000-04-12 2001-11-20 Raytheon Company Amplifier circuit
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
KR100546491B1 (ko) * 2001-03-21 2006-01-26 학교법인 포항공과대학교 초고주파 도허티 증폭기의 출력 정합 장치
US20020186079A1 (en) * 2001-06-08 2002-12-12 Kobayashi Kevin W. Asymmetrically biased high linearity balanced amplifier
US6469581B1 (en) * 2001-06-08 2002-10-22 Trw Inc. HEMT-HBT doherty microwave 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
US6737922B2 (en) * 2002-01-28 2004-05-18 Cree Microwave, Inc. N-way RF power amplifier circuit with increased back-off capability and power added efficiency using unequal input power division
US6791417B2 (en) * 2002-01-28 2004-09-14 Cree Microwave, Inc. N-way RF power amplifier circuit with increased back-off capability and power added efficiency using selected phase lengths and output impedances
KR100553252B1 (ko) * 2002-02-01 2006-02-20 아바고테크놀로지스코리아 주식회사 휴대용 단말기의 전력 증폭 장치
KR100450744B1 (ko) * 2002-08-29 2004-10-01 학교법인 포항공과대학교 도허티 증폭기
EP1573900B1 (de) * 2002-12-18 2011-02-23 Powerwave Technologies, Inc. Vorwärtskopplungsverstärkersystem mit kostenfaktoren und grundwerten für optimale steuerung
KR20040079597A (ko) * 2003-03-08 2004-09-16 학교법인 포항공과대학교 적응 바이어스 제어 기술을 이용한 초고주파 도허티증폭장치
US6922102B2 (en) * 2003-03-28 2005-07-26 Andrew Corporation High efficiency amplifier
US20050134377A1 (en) * 2003-12-23 2005-06-23 Dent Paul W. Doherty amplifier
KR100957417B1 (ko) * 2004-12-08 2010-05-11 삼성전자주식회사 무선 통신 시스템에서 스위칭 구조를 이용한 전력 증폭 장치 및 제어 방법
KR20060077818A (ko) * 2004-12-31 2006-07-05 학교법인 포항공과대학교 비대칭 전력 구동을 이용한 전력 증폭 장치

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US7109790B2 (en) 2006-09-19
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US7053706B2 (en) 2006-05-30
US7345535B2 (en) 2008-03-18
EP1476949A4 (de) 2005-05-04
CN1618178A (zh) 2005-05-18
US20050012547A1 (en) 2005-01-20
CN100559719C (zh) 2009-11-11
US7061314B2 (en) 2006-06-13
US20040145416A1 (en) 2004-07-29
US20070057722A1 (en) 2007-03-15
KR20030065873A (ko) 2003-08-09
US20040119533A1 (en) 2004-06-24
US20040183593A1 (en) 2004-09-23
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US7304537B2 (en) 2007-12-04
KR100553252B1 (ko) 2006-02-20

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