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)

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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
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KR100420394B1 (ko) * 2002-01-29 2004-02-26 주식회사 씨원테크놀로지 증폭기의 비선형성을 이용한 전치 왜곡형 선형증폭기의선형전력증폭 방법
CA2476246C (en) 2002-02-14 2011-10-04 Powerwave Technologies, Inc. Feed 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
EP1511179B1 (de) * 2002-05-31 2013-07-03 Fujitsu Limited Adaptiver regler
EP1855385A3 (de) 2002-05-31 2008-03-19 Fujitsu Ltd. Vorrichtung mit adaptiver Steuerung
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
US7301397B2 (en) * 2002-12-18 2007-11-27 Powerwave Technologies, Inc. Enhanced efficiency feed forward power amplifier with delay mismatched error cancellation loop
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
ATE542292T1 (de) * 2008-07-02 2012-02-15 Innovaradio S A Vorverzerrungsverfahren und einrichtung zur verbesserung der leistungsfähigkeit von leistungsverstärkern in drahtlosen digitalen kommunikationsanwendungen
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
EP2502345A1 (de) 2009-11-16 2012-09-26 Innovaradio S.A. Adaptives digitales vorverzerrungsverfahren und vorrichtung zur erhöhung der leistungsversorgung von leistungsverstärkern bei drahtlosen digitalen kommunikationsanwendungen
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
CN110190822B (zh) * 2019-06-27 2024-07-16 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

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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
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KR100217416B1 (ko) * 1995-11-16 1999-09-01 윤종용 선형 증폭 장치 및 방법
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
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US6118339A (en) 1998-10-19 2000-09-12 Powerwave Technologies, Inc. Amplification system using baseband mixer

Also Published As

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

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