CN100527605C - 放大器及使用它的高频功率放大器 - Google Patents

放大器及使用它的高频功率放大器 Download PDF

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Publication number
CN100527605C
CN100527605C CNB2004100578431A CN200410057843A CN100527605C CN 100527605 C CN100527605 C CN 100527605C CN B2004100578431 A CNB2004100578431 A CN B2004100578431A CN 200410057843 A CN200410057843 A CN 200410057843A CN 100527605 C CN100527605 C CN 100527605C
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CN
China
Prior art keywords
amplifier
voltage
output
class
low
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 - Fee Related
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CNB2004100578431A
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English (en)
Chinese (zh)
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CN1592089A (zh
Inventor
松本秀俊
田上知纪
大西正己
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NEC Electronics Corp
Renesas Electronics Corp
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Renesas Technology Corp
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Publication of CN1592089A publication Critical patent/CN1592089A/zh
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Publication of CN100527605C publication Critical patent/CN100527605C/zh
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    • 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
    • H03F1/0222—Continuous control by using a signal derived from the input signal
    • H03F1/0227—Continuous control by using a signal derived from the input signal using supply converters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/432—Two or more amplifiers of different type are coupled in parallel at the input or output, e.g. a class D and a linear amplifier, a class B and a class A amplifier

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)
CNB2004100578431A 2003-08-29 2004-08-19 放大器及使用它的高频功率放大器 Expired - Fee Related CN100527605C (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP305657/2003 2003-08-29
JP2003305657 2003-08-29
JP184669/2004 2004-06-23
JP2004184669A JP4589665B2 (ja) 2003-08-29 2004-06-23 増幅器及びそれを用いた高周波電力増幅器

Publications (2)

Publication Number Publication Date
CN1592089A CN1592089A (zh) 2005-03-09
CN100527605C true CN100527605C (zh) 2009-08-12

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CNB2004100578431A Expired - Fee Related CN100527605C (zh) 2003-08-29 2004-08-19 放大器及使用它的高频功率放大器

Country Status (3)

Country Link
US (1) US7102427B2 (https=)
JP (1) JP4589665B2 (https=)
CN (1) CN100527605C (https=)

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CN103620951A (zh) * 2011-06-23 2014-03-05 高通股份有限公司 低压高功率效率的包络跟踪器

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US8095090B2 (en) * 2006-02-03 2012-01-10 Quantance, Inc. RF power amplifier controller circuit
US7869542B2 (en) * 2006-02-03 2011-01-11 Quantance, Inc. Phase error de-glitching circuit and method of operating
JP4836253B2 (ja) 2006-09-01 2011-12-14 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 電力増幅装置および携帯電話端末
JP5022792B2 (ja) * 2007-07-02 2012-09-12 株式会社日立国際電気 Ｄｃｄｃコンバータユニット、電力増幅器、及び基地局装置
GB0715254D0 (en) 2007-08-03 2007-09-12 Wolfson Ltd Amplifier circuit
JP2009044268A (ja) * 2007-08-06 2009-02-26 Sharp Corp 音声信号処理装置、音声信号処理方法、音声信号処理プログラム、及び、記録媒体
US8451886B2 (en) * 2007-08-16 2013-05-28 St-Ericsson Sa Apparatus method and computer readable medium for a transmitter
DE102007046341A1 (de) * 2007-09-27 2009-04-23 Infineon Technologies Ag Schaltungsanordnung zum Verarbeiten eines hochfrequenten Signals
US7970091B2 (en) * 2007-11-30 2011-06-28 Nautel Limited Method for reducing spectral regrowth in a spectrally efficient digital modulation scheme
JP5081612B2 (ja) * 2007-12-26 2012-11-28 株式会社日立国際電気 電源回路並びにそれを用いた電力増幅器及び基地局装置
US8198950B2 (en) 2008-10-16 2012-06-12 Nec Corporation Power amplifier
GB2465146B (en) 2008-11-04 2014-05-28 Nujira Ltd Improved power supply stage
US8666337B2 (en) * 2010-03-05 2014-03-04 Skyworks Solutions, Inc. System and method for power amplifier control saturation detection and correction
WO2011133542A1 (en) 2010-04-19 2011-10-27 Rf Micro Devices, Inc. Pseudo-envelope following power management system
JP5355496B2 (ja) * 2010-05-24 2013-11-27 三菱電機株式会社 バイアス制御増幅器
JP2011259083A (ja) * 2010-06-07 2011-12-22 Renesas Electronics Corp Ｒｆ電力増幅装置およびその動作方法
US9954436B2 (en) 2010-09-29 2018-04-24 Qorvo Us, Inc. Single μC-buckboost converter with multiple regulated supply outputs
US8975960B2 (en) 2011-02-01 2015-03-10 Mediatek Singapore Pte. Ltd. Integrated circuit wireless communication unit and method for providing a power supply
US9166538B2 (en) 2011-02-01 2015-10-20 Mediatek Singapore Pte. Ltd. Integrated circuit wireless communication unit and method for providing a power supply
US8803605B2 (en) * 2011-02-01 2014-08-12 Mediatek Singapore Pte. Ltd. Integrated circuit, wireless communication unit and method for providing a power supply
US8665018B2 (en) 2011-02-01 2014-03-04 Mediatek Singapore Pte. Ltd. Integrated circuit, wireless communication unit and method for a differential interface for an envelope tracking signal
US20120287952A1 (en) * 2011-05-10 2012-11-15 Honeywell International Inc. Apparatus and methods for high voltage amplification with low noise
US9002303B2 (en) * 2011-05-27 2015-04-07 Samsung Electronics Co., Ltd. Method and apparatus for programmable envelope shaping circuit based on piecewise linear interpolation
US9813036B2 (en) 2011-12-16 2017-11-07 Qorvo Us, Inc. Dynamic loadline power amplifier with baseband linearization
US9020451B2 (en) * 2012-07-26 2015-04-28 Rf Micro Devices, Inc. Programmable RF notch filter for envelope tracking
CN104541221B (zh) * 2012-08-10 2017-11-07 德克萨斯仪器股份有限公司 切换式辅助线性稳压器
US8754707B2 (en) * 2012-10-24 2014-06-17 Qualcomm Incorporated Boost converter control for envelope tracking
CN103812522A (zh) * 2012-10-30 2014-05-21 Dsp集团有限公司 Rf功率放大器分路器
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
WO2014116933A2 (en) 2013-01-24 2014-07-31 Rf Micro Devices, Inc Communications based adjustments of an envelope tracking power supply
US9250694B1 (en) * 2013-05-10 2016-02-02 Sridhar Kotikalapoodi Method and apparatus for fast, efficient, low noise power supply
GB2516979A (en) * 2013-08-09 2015-02-11 Univ Surrey Predistortion in satellite signal transmission systems
CN103490735A (zh) * 2013-09-12 2014-01-01 昆山新金福精密电子有限公司 一种高频放大器
KR102114726B1 (ko) 2013-10-23 2020-06-05 삼성전자주식회사 전력 증폭 장치 및 방법
US9614476B2 (en) 2014-07-01 2017-04-04 Qorvo Us, Inc. Group delay calibration of RF envelope tracking
US9948240B2 (en) 2015-07-01 2018-04-17 Qorvo Us, Inc. Dual-output asynchronous power converter circuitry
US9912297B2 (en) 2015-07-01 2018-03-06 Qorvo Us, Inc. Envelope tracking power converter circuitry
CN108605183B (zh) 2016-01-29 2020-09-22 杜比实验室特许公司 具有功率共享、传信和多相电源的多通道电影院放大器
US9973147B2 (en) 2016-05-10 2018-05-15 Qorvo Us, Inc. Envelope tracking power management circuit
US10476437B2 (en) 2018-03-15 2019-11-12 Qorvo Us, Inc. Multimode voltage tracker circuit
CN109314491B (zh) * 2018-03-16 2022-08-16 深圳市汇顶科技股份有限公司 功率放大器及平衡数字输出信号的上升和下降时间的方法
US11444577B2 (en) 2019-06-07 2022-09-13 Samsung Electronics Co., Ltd. Boost amplifier
CN111176278B (zh) * 2019-12-31 2023-05-09 宁波奇亚园林工具有限公司 一种基于交流磁场的智能割草机传感器控制电路与方法
CN113055782A (zh) * 2021-02-02 2021-06-29 头领科技（昆山）有限公司 一种分频优化处理的音频芯片及耳机
US12273075B2 (en) * 2021-07-01 2025-04-08 Epirus, Inc. Systems and methods for power distribution for amplifier arrays
CN116346040B (zh) * 2021-12-22 2025-12-05 瑞昱半导体股份有限公司 功率放大器

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US5642071A (en) * 1994-11-07 1997-06-24 Alcatel N.V. Transit mixer with current mode input
US6175273B1 (en) * 1997-10-06 2001-01-16 Motorola, Inc. Method and apparatus for high efficiency wideband power amplification
CN1361938A (zh) * 1999-05-17 2002-07-31 艾利森公司 分离放大振幅波形的低频和高频部分的功率调制系统和方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103620951A (zh) * 2011-06-23 2014-03-05 高通股份有限公司 低压高功率效率的包络跟踪器
CN103620951B (zh) * 2011-06-23 2017-12-01 高通股份有限公司 用于生成功率源的方法和装置

Also Published As

Publication number Publication date
US7102427B2 (en) 2006-09-05
JP4589665B2 (ja) 2010-12-01
JP2005102146A (ja) 2005-04-14
US20050046474A1 (en) 2005-03-03
CN1592089A (zh) 2005-03-09

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