JP2002124841A5 - - Google Patents

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Publication number
JP2002124841A5
JP2002124841A5 JP2001253936A JP2001253936A JP2002124841A5 JP 2002124841 A5 JP2002124841 A5 JP 2002124841A5 JP 2001253936 A JP2001253936 A JP 2001253936A JP 2001253936 A JP2001253936 A JP 2001253936A JP 2002124841 A5 JP2002124841 A5 JP 2002124841A5
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JP
Japan
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.)
Pending
Application number
JP2001253936A
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JP2002124841A (ja
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Publication date
Priority claimed from US09/645,117 external-priority patent/US6639463B1/en
Application filed filed Critical
Publication of JP2002124841A publication Critical patent/JP2002124841A/ja
Publication of JP2002124841A5 publication Critical patent/JP2002124841A5/ja
Pending legal-status Critical Current

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JP2001253936A 2000-08-24 2001-08-24 複数の増幅器段で信号を増幅する方法 Pending JP2002124841A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/645,117 US6639463B1 (en) 2000-08-24 2000-08-24 Adaptive power amplifier system and method
US09/645117 2000-08-24

Publications (2)

Publication Number Publication Date
JP2002124841A JP2002124841A (ja) 2002-04-26
JP2002124841A5 true JP2002124841A5 (ja) 2008-10-02

Family

ID=24587703

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001253936A Pending JP2002124841A (ja) 2000-08-24 2001-08-24 複数の増幅器段で信号を増幅する方法

Country Status (4)

Country Link
US (1) US6639463B1 (ja)
EP (1) EP1187314B1 (ja)
JP (1) JP2002124841A (ja)
DE (1) DE60112857T2 (ja)

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US8811917B2 (en) 2002-05-01 2014-08-19 Dali Systems Co. Ltd. Digital hybrid mode power amplifier system
US8380143B2 (en) 2002-05-01 2013-02-19 Dali Systems Co. Ltd Power amplifier time-delay invariant predistortion methods and apparatus
US7039377B2 (en) * 2002-06-14 2006-05-02 Skyworks Solutions, Inc. Switchable gain amplifier
US6922102B2 (en) * 2003-03-28 2005-07-26 Andrew Corporation High efficiency amplifier
US7444124B1 (en) 2003-05-14 2008-10-28 Marvell International Ltd. Adjustable segmented power amplifier
US7091778B2 (en) * 2003-09-19 2006-08-15 M/A-Com, Inc. Adaptive wideband digital amplifier for linearly modulated signal amplification and transmission
US7236054B2 (en) * 2004-01-28 2007-06-26 Silicon Storage Technology, Inc. Multi-operational amplifier system
US6998918B2 (en) * 2004-04-08 2006-02-14 Sige Semiconductor (U.S.), Corp. Automatic current reduction biasing technique for RF amplifier
US7148746B2 (en) * 2004-10-26 2006-12-12 Andrew Corporation High efficiency amplifier
NL1027745C1 (nl) * 2004-12-14 2006-06-16 Bosma Beheersmij B V H O D N M Verliesarme, asymmetrische combinator voor faseverschil systemen en adaptieve RF-versterker omvattende een asymmetrische combinator.
US7248108B2 (en) * 2004-12-29 2007-07-24 Agere Systems Inc. Power amplifier employing thin film ferroelectric phase shift element
FR2895846A1 (fr) * 2005-12-30 2007-07-06 St Microelectronics Sa Procede de controle du rapport des facteurs d'amplification de deux amplificateurs lineaires, et dispositif correspondant.
US7941091B1 (en) * 2006-06-19 2011-05-10 Rf Magic, Inc. Signal distribution system employing a multi-stage signal combiner network
US9026067B2 (en) * 2007-04-23 2015-05-05 Dali Systems Co. Ltd. Remotely reconfigurable power amplifier system and method
KR20100014339A (ko) 2006-12-26 2010-02-10 달리 시스템즈 씨오. 엘티디. 다중 채널 광대역 통신 시스템에서의 기저 대역 전치 왜곡 선형화를 위한 방법 및 시스템
US7965990B2 (en) * 2007-12-06 2011-06-21 Motorola Mobility, Inc. Wireless backhaul power amplification using fourier transform matricies
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
CN103597807B (zh) 2010-09-14 2015-09-30 大理系统有限公司 远程可重新配置的分布式天线系统和方法
EP2521257B1 (en) * 2011-05-06 2014-11-12 Nxp B.V. Doherty amplifier circuit
US20130021104A1 (en) * 2011-07-18 2013-01-24 Ubidyne, Inc. Amplifier arrangement
US8698557B2 (en) * 2011-10-12 2014-04-15 Hbc Solutions, Inc. Hybrid coupler
US8970297B2 (en) * 2012-03-19 2015-03-03 Qualcomm Incorporated Reconfigurable input power distribution doherty amplifier with improved efficiency
TWI545907B (zh) * 2014-09-24 2016-08-11 鴻海精密工業股份有限公司 消減電路及收發電路
US10116265B2 (en) * 2016-04-11 2018-10-30 Telefonaktiebolaget Lm Ericsson (Publ) Modular and scalable power amplifier system
TWI710208B (zh) * 2016-06-24 2020-11-11 日商東京計器股份有限公司 增幅裝置
KR101880034B1 (ko) * 2016-12-08 2018-07-19 (주)엑스엠더블유 확장성을 갖는 밀리미터파 증폭기 구조
US9871530B1 (en) 2016-12-11 2018-01-16 John Howard La Grou Multi-path analog-to-digital and digital-to-analog conversion of PDM signals
JP6651477B2 (ja) * 2017-02-20 2020-02-19 日本電信電話株式会社 電力増幅装置および電力増幅制御方法
US10256782B2 (en) 2017-04-25 2019-04-09 John Howard La Grou Multi-path power amplifier
CN108400774B (zh) * 2018-03-22 2020-06-02 上海唯捷创芯电子技术有限公司 一种平衡式射频功率放大器、芯片及通信终端
KR102579084B1 (ko) * 2018-08-29 2023-09-15 사브 에이비 N-웨이 전력 결합기 네트워크의 동작 방법 및 n-웨이 전력 결합기 네트워크
CN116094472B (zh) * 2023-03-09 2023-09-01 成都嘉纳海威科技有限责任公司 一种多通道宽带放大多功能芯片

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FR2658964A1 (fr) 1990-02-23 1991-08-30 Alcatel Transmission Liaison de puissance, protegee par redondance, pour signaux hyperfrequence.
JPH0495409A (ja) 1990-08-13 1992-03-27 Fujitsu Ltd 増幅器
US5304943A (en) * 1992-11-16 1994-04-19 Harris Corporation In-phase combiner and RF recovery system
US6137355A (en) * 1994-04-17 2000-10-24 Sevic; John F. Dual-mode amplifier with high efficiency and high linearity
JPH0964758A (ja) 1995-08-30 1997-03-07 Matsushita Electric Ind Co Ltd ディジタル携帯無線機の送信装置とそれに用いる高周波電力増幅装置
US5872481A (en) * 1995-12-27 1999-02-16 Qualcomm Incorporated Efficient parallel-stage power amplifier
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