ATE439700T1 - Überwachungsvorrichtung für spektrale verzerrungen zur steuerung der vorverzerrungen und vorwärtskopplungs-linearisierung von hf- leistungsverstärkern - Google Patents

Überwachungsvorrichtung für spektrale verzerrungen zur steuerung der vorverzerrungen und vorwärtskopplungs-linearisierung von hf- leistungsverstärkern

Info

Publication number
ATE439700T1
ATE439700T1 AT01912738T AT01912738T ATE439700T1 AT E439700 T1 ATE439700 T1 AT E439700T1 AT 01912738 T AT01912738 T AT 01912738T AT 01912738 T AT01912738 T AT 01912738T AT E439700 T1 ATE439700 T1 AT E439700T1
Authority
AT
Austria
Prior art keywords
amplifier
signal
spectral
test
fft
Prior art date
Application number
AT01912738T
Other languages
English (en)
Inventor
Jason Gomez
Original Assignee
Powerwave Technologies Inc
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 Powerwave Technologies Inc filed Critical Powerwave Technologies Inc
Application granted granted Critical
Publication of ATE439700T1 publication Critical patent/ATE439700T1/de

Links

Classifications

    • 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
    • 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
    • H03F1/3223—Modifications of amplifiers to reduce non-linear distortion using feed-forward
    • H03F1/3229—Modifications of amplifiers to reduce non-linear distortion using feed-forward using a loop for error extraction and another loop for error subtraction
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
AT01912738T 2000-02-25 2001-02-14 Überwachungsvorrichtung für spektrale verzerrungen zur steuerung der vorverzerrungen und vorwärtskopplungs-linearisierung von hf- leistungsverstärkern ATE439700T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/511,877 US6275106B1 (en) 2000-02-25 2000-02-25 Spectral distortion monitor for controlling pre-distortion and feed-forward linearization of rf power amplifier
PCT/US2001/004737 WO2001063748A1 (en) 2000-02-25 2001-02-14 Spectral distortion monitor for controlling pre-distortion and feed-forward linearization of rf power amplifier

Publications (1)

Publication Number Publication Date
ATE439700T1 true ATE439700T1 (de) 2009-08-15

Family

ID=24036819

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01912738T ATE439700T1 (de) 2000-02-25 2001-02-14 Überwachungsvorrichtung für spektrale verzerrungen zur steuerung der vorverzerrungen und vorwärtskopplungs-linearisierung von hf- leistungsverstärkern

Country Status (8)

Country Link
US (1) US6275106B1 (de)
EP (1) EP1262017B1 (de)
JP (1) JP4913304B2 (de)
KR (1) KR20030010583A (de)
AT (1) ATE439700T1 (de)
AU (1) AU2001241485A1 (de)
DE (1) DE60139547D1 (de)
WO (1) WO2001063748A1 (de)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6359508B1 (en) * 2000-08-17 2002-03-19 Spectrian Corporation Distortion detection apparatus for controlling predistortion, carrier cancellation and feed-forward cancellation in linear RF power amplifiers
US6674324B1 (en) * 2000-08-24 2004-01-06 Lucent Technologies Inc. System and method for producing an amplified signal using plurality of amplitudes across spectrum
US6934341B2 (en) * 2000-08-29 2005-08-23 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for plurality signal generation
US7012968B2 (en) * 2000-11-30 2006-03-14 Lg Electronics, Inc. Apparatus for detecting and adjusting transmission power of CDMA system
TW525344B (en) * 2000-12-22 2003-03-21 Paradigm Wireless Comm Llc Feed-forward amplifier loop control utilizing IF signal processing
GB2376583B (en) * 2001-06-15 2005-01-05 Wireless Systems Int Ltd Time alignment of signals
US6856215B2 (en) * 2001-08-24 2005-02-15 Powerwave Technologies, Inc. System and method for adjusting group delay
KR100438844B1 (ko) * 2001-11-08 2004-07-05 주식회사 씨원테크놀로지 아이엠디 특성 제어와 감시를 위하여 전력증폭기 내부에내장된 스펙트럼 분석기와 지유아이
KR100420394B1 (ko) * 2002-01-29 2004-02-26 주식회사 씨원테크놀로지 증폭기의 비선형성을 이용한 전치 왜곡형 선형증폭기의선형전력증폭 방법
AU2003216218A1 (en) 2002-02-14 2003-09-04 Powerwave Technologies, Inc. Deed forward rf power amplifier with high efficiency main amplifier and highly linear error amplifier
US20030179043A1 (en) * 2002-03-19 2003-09-25 John Matz Method and apparatus for providing carrier cancellation in a feed forward amplifier circuit
JP3502087B2 (ja) * 2002-05-14 2004-03-02 松下電器産業株式会社 ハイブリッド歪補償方法およびハイブリッド歪補償装置
JP3923978B2 (ja) * 2002-05-31 2007-06-06 富士通株式会社 適応制御装置
EP1855385A3 (de) 2002-05-31 2008-03-19 Fujitsu Ltd. Vorrichtung mit adaptiver Steuerung
US7301397B2 (en) * 2002-12-18 2007-11-27 Powerwave Technologies, Inc. Enhanced efficiency feed forward power amplifier with delay mismatched error cancellation loop
US7038540B2 (en) * 2003-02-14 2006-05-02 Powerwave Technologies, Inc. Enhanced efficiency feed forward power amplifier utilizing reduced cancellation bandwidth and small error amplifier
US6985706B2 (en) * 2003-01-23 2006-01-10 Powerwave Technologies, Inc. Feed forward amplifier system employing self-generating alignment lists and adaptive controller
US6919764B2 (en) 2003-03-11 2005-07-19 Andrew Corporation Amplifier control system with statistical enhancement of resolution of digital control signals
US7123890B2 (en) 2003-03-11 2006-10-17 Andrew Corporation Signal sample acquisition techniques
US7295819B2 (en) 2003-03-11 2007-11-13 Andrew Corporation Signal sample acquisition techniques
US7110739B2 (en) * 2003-04-10 2006-09-19 Powerwave Technologies, Inc. Multi-transmitter communication system employing anti-phase pilot signals
US7123086B2 (en) * 2003-05-07 2006-10-17 Powerwave Technologies, Inc. Feed forward amplifier employing positive feedback pilot generation
US7126421B2 (en) * 2003-09-23 2006-10-24 Powerwave Technologies, Inc. Method for aligning feed forward loops
US20050200408A1 (en) * 2004-03-15 2005-09-15 Benjamin James A. Method and apparatus for feed forward linearization of wideband RF amplifiers
US7193462B2 (en) * 2005-03-22 2007-03-20 Powerwave Technologies, Inc. RF power amplifier system employing an analog predistortion module using zero crossings
GB0724917D0 (en) * 2007-12-20 2008-01-30 Nokia Corp A transmitter
US7768353B2 (en) 2008-06-13 2010-08-03 Samsung Electro-Mechanics Company, Ltd. Systems and methods for switching mode power amplifier control
CN102077462A (zh) * 2008-07-02 2011-05-25 伊诺瓦无线电股份有限公司 用于在无线数字通信应用中增强功率放大器的功率效用的预失真方法和设备
DE102008052172B4 (de) * 2008-10-17 2014-01-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung zum Erzeugen eines Korrektursignals
US20100130145A1 (en) * 2008-11-24 2010-05-27 Sei-Joo Jang Amplification system for interference suppression in wireless communications
US8706062B1 (en) * 2008-12-19 2014-04-22 Scintera Networks, Inc. Self-adaptive power amplification
WO2011058197A1 (en) * 2009-11-16 2011-05-19 Innovaradio S.A. An adaptive digital pre-distortion method and device to enhance the power utility of power amplifiers in wireless digital communication applications
CN101807886B (zh) * 2010-03-26 2012-08-08 深圳市云海通讯股份有限公司 一种射频功率放大装置及其模拟预失真校正方法
US8703868B2 (en) 2011-11-28 2014-04-22 Celanese International Corporation Integrated process for producing polyvinyl alcohol or a copolymer thereof and ethanol
US9787270B2 (en) * 2013-11-26 2017-10-10 Qorvo Us, Inc. Overstress management for power amplifiers
US10826440B2 (en) * 2018-12-28 2020-11-03 Motorola Solutions, Inc. Extended operational bandwidth amplifiers with fractional instantaneous bandwidth feed forward correction
CN110190822A (zh) * 2019-06-27 2019-08-30 三维通信股份有限公司 一种应用预失真的功放保护装置及功放保护方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4885551A (en) 1988-10-31 1989-12-05 American Telephone And Telegraph Company At&T Bell Laboratories Feed forward linear amplifier
US5077532A (en) 1990-12-17 1991-12-31 Motorola, Inc. Feed forward distortion minimization circuit
US5386198A (en) * 1993-01-28 1995-01-31 Telefonaktiebolaget L M Ericsson Linear amplifier control
US5491454A (en) 1994-10-31 1996-02-13 Motorola, Inc. Method and apparatus for reducing distortion in an output signal of an amplifier
US5570063A (en) * 1995-05-18 1996-10-29 Spectrian, Inc. RF power amplifier with signal predistortion for improved linearity
KR100217416B1 (ko) * 1995-11-16 1999-09-01 윤종용 선형 증폭 장치 및 방법
RU2142670C1 (ru) 1995-11-16 1999-12-10 Самсунг Электроникс Ко., Лтд. Устройство линейного усиления мощности
US5760646A (en) * 1996-03-29 1998-06-02 Spectrian Feed-forward correction loop with adaptive predistortion injection for linearization of RF power amplifier
JPH10145161A (ja) * 1996-11-13 1998-05-29 Nec Corp プリディストーション自動調整回路
JP3710253B2 (ja) * 1997-05-26 2005-10-26 富士通株式会社 歪補償システム
JPH1117464A (ja) * 1997-06-26 1999-01-22 Hitachi Denshi Ltd 移相器
JPH11103218A (ja) * 1997-09-26 1999-04-13 Japan Radio Co Ltd フィードフォワード型増幅器
JP3352929B2 (ja) * 1997-12-12 2002-12-03 三菱電機株式会社 フィードフォワード増幅器
KR100259849B1 (ko) * 1997-12-26 2000-06-15 윤종용 파일럿 톤 호핑을 이용한 피드 포워드 선형 전력 증폭 방법
US6118339A (en) 1998-10-19 2000-09-12 Powerwave Technologies, Inc. Amplification system using baseband mixer

Also Published As

Publication number Publication date
JP2003524978A (ja) 2003-08-19
EP1262017A1 (de) 2002-12-04
AU2001241485A1 (en) 2001-09-03
JP4913304B2 (ja) 2012-04-11
KR20030010583A (ko) 2003-02-05
US6275106B1 (en) 2001-08-14
EP1262017A4 (de) 2005-12-28
WO2001063748A1 (en) 2001-08-30
DE60139547D1 (de) 2009-09-24
EP1262017B1 (de) 2009-08-12

Similar Documents

Publication Publication Date Title
ATE439700T1 (de) Überwachungsvorrichtung für spektrale verzerrungen zur steuerung der vorverzerrungen und vorwärtskopplungs-linearisierung von hf- leistungsverstärkern
US5789976A (en) Digital adaptive control of feedforward amplifier using frequency domain cancellation
DE60136066D1 (de) Mehrträger-hf-verstärker mit hoher linearität
KR101043989B1 (ko) 피드포워드 증폭기 및 그 제어 방법
EP1253708A3 (de) Schaltung zur Unterdrückung von Verzerrungen
ATE319221T1 (de) Verbesserte vorverzerrungskompensation für einen leistungsverstärker
JP4896424B2 (ja) 歪補償増幅器
CA2679114A1 (en) Linearization of rf power amplifiers using an adaptive subband predistorter
DE60332332D1 (de) Verfahren und vorrichtung mit basisbandtransformation zur verbesserung von senderleistung
WO2004038910A3 (en) Predistortion linearizing
SE9802498L (sv) Anordning och förfarande relaterande till radiokommunikation
TW200623611A (en) Power amplifier linearization methods and apparatus using predistortion in the frequency domain
GB2404257B (en) High frequency circuit analyser
CN108390651A (zh) 一种自适应反馈抵消失真信号的射频功率放大器及抵消方法
CN103401515A (zh) 一种用于自适应频率补偿的前馈功率放大器
WO2006033676A3 (en) Digital broadband frequency measurement
US6127889A (en) Nested feed forward distortion reduction system
CN109690939A (zh) 用于脉宽调制放大器的可配置控制环路拓扑
CA2261431A1 (en) Method for adaptively controlling amplifier linearization devices
DE60312213D1 (de) Verstärkungskompensation für temperatur- und frequenzvariationen
KR101770750B1 (ko) 다중대역 고효율 전력 증폭기
MXPA03009355A (es) Procedimientos para la preparacion del virus de la enfermedad de marek utilizando lineas celulares continuas de aves.
KR20030038062A (ko) 아이엠디 특성 제어와 감시를 위하여 전력증폭기 내부에내장된 스펙트럼 분석기와 지유아이
KR101100692B1 (ko) 저잡음 상쇄 증폭기 및 저잡음 상쇄 증폭 방법.
RU2514928C2 (ru) Прецизионный усилитель аналоговых сигналов большой мощности с высоким кпд

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties