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)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2386012A (en) * 2002-03-02 2003-09-03 Motorola Inc A linearized class C RF amplifier
US7366252B2 (en) * 2004-01-21 2008-04-29 Powerwave Technologies, Inc. Wideband enhanced digital injection predistortion system and method
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
WO2006066448A1 (fr) * 2004-12-21 2006-06-29 Zte Corporation Procédé et dispositif de détection de grandeur de distorsion non linéaire de signal
FI20055355A0 (fi) * 2005-06-29 2005-06-29 Nokia Corp Datankäsittelymenetelmä, esivääristysjärjestely, lähetin, verkkoelementti ja tukiasema
FI20055354A0 (fi) * 2005-06-29 2005-06-29 Nokia Corp Datankäsittelymenetelmä, lähetin, laite, verkkoelementti ja tukiasema
US7933570B2 (en) * 2006-02-03 2011-04-26 Quantance, Inc. Power amplifier controller circuit
US7917106B2 (en) * 2006-02-03 2011-03-29 Quantance, Inc. RF power amplifier controller circuit including calibrated phase control loop
US8032097B2 (en) * 2006-02-03 2011-10-04 Quantance, Inc. Amplitude error de-glitching circuit and method of operating
US7869542B2 (en) * 2006-02-03 2011-01-11 Quantance, Inc. Phase error de-glitching circuit and method of operating
CN101401261B (zh) * 2006-02-03 2012-11-21 匡坦斯公司 功率放大器控制器电路
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
CN101656550B (zh) * 2009-09-04 2012-08-29 上海华为技术有限公司 包络限摆电路、信号限摆装置和包络跟踪功放
US8183923B2 (en) * 2009-11-24 2012-05-22 Fred A Mirow Constant gain amplifier system with gain control feedback
US8358170B2 (en) * 2010-03-23 2013-01-22 Intersil Americas Inc. Power amplifier linearization using cancellation-based feed forward methods and systems
US8294465B2 (en) 2010-03-31 2012-10-23 Natalia Gudino Switched mode pre-amplification and am feedback for on-coil switched mode amplifiers in parallel transmission MRI
WO2012061385A1 (en) * 2010-11-01 2012-05-10 Newlans, Inc. Method and apparatus for power amplifier linearization
US8970252B2 (en) 2010-11-08 2015-03-03 Newlans, Inc. Field programmable analog array
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
US9407240B2 (en) 2012-09-05 2016-08-02 Spero Devices, Inc. Bi-quad calibration
US20140111279A1 (en) * 2012-10-19 2014-04-24 Samsung Electronics Co., Ltd Envelope tracking distributed amplifier
FR3012272B1 (fr) * 2013-10-18 2017-05-26 Thales Sa Systeme et procede d'amplification d'un signal
US9203347B2 (en) 2014-02-19 2015-12-01 Futurewei Technologies, Inc. Envelope tracking apparatus and method
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
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
CN114710122A (zh) 2015-08-14 2022-07-05 维尔塞特公司 数字动态偏置电路
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
WO2021207931A1 (en) * 2020-04-14 2021-10-21 Telefonaktiebolaget Lm Ericsson (Publ) Device and method for envelope signal adjustment

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3900823A (en) * 1973-03-28 1975-08-19 Nathan O Sokal Amplifying and processing apparatus for modulated carrier signals
JPH07118617B2 (ja) * 1990-07-19 1995-12-18 沖電気工業株式会社 電力増幅装置及び送信装置
US5260674A (en) * 1992-08-04 1993-11-09 Acrodyne Industries, Inc. Amplitude modulator
US5722063A (en) * 1994-12-16 1998-02-24 Qualcomm Incorporated Method and apparatus for increasing receiver immunity to interference
US5712593A (en) * 1996-02-05 1998-01-27 Motorola, Inc. Linear power amplifier with distortion detection
US5886572A (en) 1997-07-25 1999-03-23 Motorola, Inc. Method and apparatus for reducing distortion in a power amplifier
US6112062A (en) 1997-09-26 2000-08-29 The Whitaker Corporation Predistortion for high power amplifiers
JP2001024447A (ja) 1999-07-09 2001-01-26 Sony Corp 歪み補償方法および無線通信装置
US6252455B1 (en) 1999-10-07 2001-06-26 Motorola, Inc. Method and apparatus for efficient signal amplification

Also Published As

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

Similar Documents

Publication Publication Date Title
ATE279812T1 (de) Automatische optimierung der linearität für einen hf-verstärker mit hüllkurvenrückopplung
US9385666B2 (en) Power amplifier with wide band AM-AM feedback and digital pre-distortion
ATE463076T1 (de) Leistungsverstärker
AU3218800A (en) Broadband amplification with high linearity and low power consumption
GB2412047A (en) Device for recovering missing frequency components
WO2002084864A3 (en) Communications signal amplifiers having independent power control and amplitude modulation
EP0964539A3 (de) Empfänger mit Möglichkeit von Hochqualitätsausgangssignal ohne Berücksichtigung des Eingangsignalpegels
ATE240607T1 (de) Sender für funksignale, die mit einer autoadaptiven verstärkerspolarisation moduliert werden
SE9802498D0 (sv) Arrangement and method relating to radio communication
ATE375073T1 (de) Empfänger mit mehreren antriebsspulen
CN103199812B (zh) 应用于无线接收器的放大器与相关方法
EP1783896A3 (de) Anordnung zur Optimierung der Gate-Vorspannung eines HF-Verstärkers und Verfahren dazu
WO2009014740A3 (en) Reduced distortion radio frequency amplifiers
GB2441241A (en) Continuous-time equalizer
CA2604480A1 (en) A digital amplitude modulation transmitter with pulse width modulating rf drive
WO2005043747A3 (en) High linearity doherty communication amplifier with bias control
TW200740106A (en) Low noise amplifier and low noise amplifying method of dynamically adjusting a bias voltage when switching gain modes to improve linearity
AU1519201A (en) Linearisation of an amplifier
TW200707897A (en) Amplifier circuit having a compensating amplifier unit for improving loop gain and linearity
AU2003279487A1 (en) Self adaptable bias circuit for enabling dynamic control of quiescent current in a linear power amplifier
AU607184B2 (en) Linearizer for microwave power amplifiers
WO2002027925A3 (en) Apparatus and method for optimizing the level of rf signals
DE60040932D1 (de) Vorspannungseinstellung eines datenübertragungs- und empfangssystems anhand der übertragungsverstärkung
WO2008054705A3 (en) Low noise amplifier having improved linearity
SE0100528D0 (sv) Automatic gain control

Legal Events

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