ATE474378T1 - Lastunempfindlicher leistungsverstärker - Google Patents

Lastunempfindlicher leistungsverstärker

Info

Publication number
ATE474378T1
ATE474378T1 AT05702999T AT05702999T ATE474378T1 AT E474378 T1 ATE474378 T1 AT E474378T1 AT 05702999 T AT05702999 T AT 05702999T AT 05702999 T AT05702999 T AT 05702999T AT E474378 T1 ATE474378 T1 AT E474378T1
Authority
AT
Austria
Prior art keywords
integral
amplifier
power amplifier
load
determined
Prior art date
Application number
AT05702999T
Other languages
English (en)
Inventor
Sueng-Il Nam
Original Assignee
Nxp Bv
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 Nxp Bv filed Critical Nxp Bv
Application granted granted Critical
Publication of ATE474378T1 publication Critical patent/ATE474378T1/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
    • H03G3/3042—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power 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
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor 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
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0261—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the polarisation voltage or current, e.g. gliding Class A
    • 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
    • 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
    • H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/462—Indexing scheme relating to amplifiers the current being sensed
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B2001/0408—Circuits with power amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)
  • Networks Using Active Elements (AREA)
AT05702999T 2004-02-27 2005-02-17 Lastunempfindlicher leistungsverstärker ATE474378T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0404371.7A GB0404371D0 (en) 2004-02-27 2004-02-27 Power amplifier output impedance control
PCT/IB2005/050597 WO2005086360A1 (en) 2004-02-27 2005-02-17 Load insensitive power amplifier

Publications (1)

Publication Number Publication Date
ATE474378T1 true ATE474378T1 (de) 2010-07-15

Family

ID=32050978

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05702999T ATE474378T1 (de) 2004-02-27 2005-02-17 Lastunempfindlicher leistungsverstärker

Country Status (7)

Country Link
EP (1) EP1719250B1 (de)
JP (1) JP2007525901A (de)
CN (1) CN1922788B (de)
AT (1) ATE474378T1 (de)
DE (1) DE602005022279D1 (de)
GB (1) GB0404371D0 (de)
WO (1) WO2005086360A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7557653B2 (en) * 2006-10-26 2009-07-07 Infineon Technologies Ag Shared linearity maintenance in power amplifiers
JP4859049B2 (ja) 2006-11-27 2012-01-18 ルネサスエレクトロニクス株式会社 Ｒｆ電力増幅装置およびそれを搭載した無線通信端末装置
JP2008252418A (ja) * 2007-03-30 2008-10-16 Nec Corp 携帯無線端末、電力制御方法及び電力制御プログラム
DE102013108128A1 (de) 2013-07-30 2015-02-05 Intel IP Corporation Vorrichtung und Verfahren zur Bestimmung einer Information über eine Leistungsschwankung eines Sendesignals
US9231531B2 (en) * 2013-12-26 2016-01-05 Mediatek Inc. Communication system and method for detecting loading variation of power amplifier thereof
CN104155511A (zh) * 2014-08-14 2014-11-19 重庆微标科技有限公司 基于驻波检测的采集电路和功率监控电路
CN112653403B (zh) * 2020-12-24 2023-03-14 唯捷创芯(天津)电子技术股份有限公司 降低负载变化敏感度的射频功率放大器、芯片及通信终端
CN118074642B (zh) * 2024-04-22 2024-07-12 四川省华盾防务科技股份有限公司 一种微波功率放大器的增益调节系统及方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2710752A1 (de) * 1977-03-11 1978-09-14 Rohde & Schwarz Schaltung zum regeln der ausgangsleistung eines hochfrequenz-nachrichtensenders
JPH07202604A (ja) * 1993-12-28 1995-08-04 Mitsubishi Electric Corp 送信出力制御装置
JP3154207B2 (ja) * 1995-05-31 2001-04-09 ソニー株式会社 検波器及び送信機
US5537080A (en) * 1995-06-06 1996-07-16 Chawla; Yogendra K. Gain stability arrangement for HV MOSFET power amplifier
JP3554218B2 (ja) * 1999-03-17 2004-08-18 富士通株式会社 電力制御回路および送信機
EP1120907A1 (de) * 2000-01-29 2001-08-01 Siemens Aktiengesellschaft Vorrichtung zum Verstärken von Signalen
DE10015684A1 (de) * 2000-03-29 2001-10-04 Siemens Ag Verfahren zur Detektion und Auswertung der Fehlanpassung einer an eine Endstufe angeschlossenen Antenne und Mobilfunkgerät
JP2003008365A (ja) * 2001-04-16 2003-01-10 Matsushita Electric Ind Co Ltd 電力増幅用回路、電力増幅用回路の制御方法、及び携帯端末装置
US20030114182A1 (en) * 2001-12-19 2003-06-19 Chan Paul L. Adaptive power amplifier
JP2003338714A (ja) * 2002-05-21 2003-11-28 Mitsubishi Electric Corp 増幅装置
JP2003347875A (ja) * 2002-05-30 2003-12-05 Fujitsu Ltd 増幅装置
ATE551773T1 (de) * 2003-02-20 2012-04-15 Sony Ericsson Mobile Comm Ab Effizienter modulation von hochfrequenzsignalen
JP2005191791A (ja) * 2003-12-25 2005-07-14 Matsushita Electric Ind Co Ltd 電力増幅器の保護回路

Also Published As

Publication number Publication date
CN1922788A (zh) 2007-02-28
CN1922788B (zh) 2010-06-16
DE602005022279D1 (de) 2010-08-26
JP2007525901A (ja) 2007-09-06
WO2005086360A1 (en) 2005-09-15
GB0404371D0 (en) 2004-03-31
EP1719250A1 (de) 2006-11-08
EP1719250B1 (de) 2010-07-14

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Legal Events

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