ATE279812T1 - Automatische optimierung der linearität für einen hf-verstärker mit hüllkurvenrückopplung - Google Patents

Automatische optimierung der linearität für einen hf-verstärker mit hüllkurvenrückopplung

Info

Publication number
ATE279812T1
ATE279812T1 AT02737986T AT02737986T ATE279812T1 AT E279812 T1 ATE279812 T1 AT E279812T1 AT 02737986 T AT02737986 T AT 02737986T AT 02737986 T AT02737986 T AT 02737986T AT E279812 T1 ATE279812 T1 AT E279812T1
Authority
AT
Austria
Prior art keywords
amplifier
output
power amplifier
input
linearity
Prior art date
Application number
AT02737986T
Other languages
English (en)
Inventor
Lars Sundstroem
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of ATE279812T1 publication Critical patent/ATE279812T1/de

Links

Classifications

    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
AT02737986T 2001-04-23 2002-04-23 Automatische optimierung der linearität für einen hf-verstärker mit hüllkurvenrückopplung ATE279812T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US28523901P 2001-04-23 2001-04-23
US10/125,347 US6593812B2 (en) 2001-04-23 2002-04-19 Automatic optimization of linearity for envelope feedback RF amplifier linearization
PCT/EP2002/004458 WO2002087074A2 (en) 2001-04-23 2002-04-23 Automatic optimization of linearity for envelope feedback rf amplifier linearization

Publications (1)

Publication Number Publication Date
ATE279812T1 true ATE279812T1 (de) 2004-10-15

Family

ID=26823492

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02737986T ATE279812T1 (de) 2001-04-23 2002-04-23 Automatische optimierung der linearität für einen hf-verstärker mit hüllkurvenrückopplung

Country Status (7)

Country Link
US (1) US6593812B2 (de)
EP (1) EP1382115B1 (de)
CN (1) CN100340059C (de)
AT (1) ATE279812T1 (de)
AU (1) AU2002312845A1 (de)
DE (1) DE60201593D1 (de)
WO (1) WO2002087074A2 (de)

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US7336725B2 (en) * 2004-03-03 2008-02-26 Powerwave Technologies, Inc. Digital predistortion system and method for high efficiency transmitters
US20050208907A1 (en) * 2004-03-18 2005-09-22 Ryo Yamazaki Detecting and maintaining linearity in a power amplifier system through envelope power comparisons
US20060050810A1 (en) * 2004-07-29 2006-03-09 Interdigital Technology Corporation Hybrid transmitter architecture having high efficiency and large dynamic range
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US7933570B2 (en) * 2006-02-03 2011-04-26 Quantance, Inc. Power amplifier controller circuit
US8032097B2 (en) * 2006-02-03 2011-10-04 Quantance, Inc. Amplitude error de-glitching circuit and method of operating
US7917106B2 (en) * 2006-02-03 2011-03-29 Quantance, Inc. RF power amplifier controller circuit including calibrated phase control loop
US7519336B2 (en) * 2006-05-05 2009-04-14 Nokia Corporation Method and arrangement for optimizing efficiency of a power amplifier
US7570928B2 (en) * 2006-08-04 2009-08-04 Axiom Microdevices, Inc. System and method for low delay corrective feedback power amplifier control
US7737739B1 (en) * 2007-12-12 2010-06-15 Integrated Device Technology, Inc. Phase step clock generator
TWI349425B (en) * 2008-07-18 2011-09-21 Novatek Microelectronics Corp Driving circuit for enhancing response speed and related method
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US8183923B2 (en) * 2009-11-24 2012-05-22 Fred A Mirow Constant gain amplifier system with gain control feedback
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US9007128B2 (en) * 2010-11-01 2015-04-14 Newlans, Inc. Method and apparatus for power amplifier linearization
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CN102082569B (zh) * 2011-03-04 2013-09-04 四川和芯微电子股份有限公司 比较器线性度补偿系统及方法
US8421540B1 (en) * 2011-06-07 2013-04-16 Cirrus Logic, Inc. Method and apparatus for run-time short circuit protection for amplifiers
CN104662799A (zh) 2012-09-05 2015-05-27 纽兰斯公司 双二阶校准
US20140111279A1 (en) * 2012-10-19 2014-04-24 Samsung Electronics Co., Ltd Envelope tracking distributed amplifier
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US9203347B2 (en) * 2014-02-19 2015-12-01 Futurewei Technologies, Inc. Envelope tracking apparatus and method
CN104836536B (zh) * 2015-04-30 2018-09-04 中国科学院微电子研究所 一种基于负反馈的功率放大器结构
CN104836574B (zh) * 2015-04-30 2018-03-30 中国科学院微电子研究所 一种自动对齐的包络跟踪功率放大器结构
WO2016172913A1 (zh) * 2015-04-30 2016-11-03 中国科学院微电子研究所 一种基于负反馈的功率放大器结构
US10727788B2 (en) 2015-08-14 2020-07-28 Viasat, Inc. Digital dynamic bias circuit
CN106301251A (zh) * 2016-08-12 2017-01-04 东南大学 一种基于反馈技术的高线性功率放大器结构
US9755585B1 (en) * 2016-09-06 2017-09-05 Aero Antenna, Inc. High power radio frequency amplifier with dynamic digital control
CN107659737B (zh) * 2016-12-12 2020-01-07 深圳市千行电子有限公司 一种电话分线装置
CN106791280B (zh) * 2017-02-20 2019-12-10 上海顺久电子科技有限公司 确定adc中增益和偏移量及其对应关系的方法和装置
CN108933576B (zh) * 2018-09-28 2024-05-14 中国船舶重工集团公司第七0七研究所九江分部 一种用于调整左右舵角信号增益的控制电路装置
US10958227B2 (en) * 2019-05-07 2021-03-23 Analog Devices, Inc. Amplifier nonlinear offset drift correction
CN112731795A (zh) * 2019-10-14 2021-04-30 苏州因曼吉科技有限公司 一种电子仪表馈电感应反馈回路的数字化设计方法
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Also Published As

Publication number Publication date
EP1382115A2 (de) 2004-01-21
DE60201593D1 (de) 2004-11-18
CN1518793A (zh) 2004-08-04
WO2002087074A2 (en) 2002-10-31
US6593812B2 (en) 2003-07-15
CN100340059C (zh) 2007-09-26
US20020171484A1 (en) 2002-11-21
EP1382115B1 (de) 2004-10-13
WO2002087074A3 (en) 2003-10-30
AU2002312845A1 (en) 2002-11-05

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