ATE534188T1 - Hüllkurvennachführungsverstärkungsanordnung - Google Patents

Hüllkurvennachführungsverstärkungsanordnung

Info

Publication number
ATE534188T1
ATE534188T1 AT09171862T AT09171862T ATE534188T1 AT E534188 T1 ATE534188 T1 AT E534188T1 AT 09171862 T AT09171862 T AT 09171862T AT 09171862 T AT09171862 T AT 09171862T AT E534188 T1 ATE534188 T1 AT E534188T1
Authority
AT
Austria
Prior art keywords
signal
power transistor
input
supply voltage
envelope
Prior art date
Application number
AT09171862T
Other languages
English (en)
Inventor
Dirk Wiegner
Wolfgang Templ
Robin Machinal
Original Assignee
Alcatel Lucent
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 Alcatel Lucent filed Critical Alcatel Lucent
Application granted granted Critical
Publication of ATE534188T1 publication Critical patent/ATE534188T1/de

Links

Classifications

    • 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
    • H04B1/0475—Circuits with means for limiting noise, interference or distortion
    • 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
    • H03F1/0211—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 supply voltage or current
    • 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
    • H03F1/0211—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 supply voltage or current
    • H03F1/0216—Continuous control
    • 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
    • H03F1/56—Modifications of input or output impedances, not otherwise provided for
    • 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
    • H03F3/245—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages with semiconductor devices only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/222—A circuit being added at the input of an amplifier to adapt the input impedance of the amplifier
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/387—A circuit being added at the output of an amplifier to adapt the output impedance of the amplifier

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
AT09171862T 2009-09-30 2009-09-30 Hüllkurvennachführungsverstärkungsanordnung ATE534188T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09171862A EP2306638B1 (de) 2009-09-30 2009-09-30 Hüllkurvennachführungsverstärkungsanordnung

Publications (1)

Publication Number Publication Date
ATE534188T1 true ATE534188T1 (de) 2011-12-15

Family

ID=41666404

Family Applications (1)

Application Number Title Priority Date Filing Date
AT09171862T ATE534188T1 (de) 2009-09-30 2009-09-30 Hüllkurvennachführungsverstärkungsanordnung

Country Status (2)

Country Link
EP (1) EP2306638B1 (de)
AT (1) ATE534188T1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8837635B2 (en) * 2011-06-08 2014-09-16 Broadcom Corporation Controlling a transmit path based on monitored error vector magnitude (EVM) performance
ES2710661T3 (es) 2014-08-11 2019-04-26 Huawei Tech Co Ltd Amplificador de potencia, unidad de radio remota y estación base
CA2995587C (en) * 2015-08-14 2023-01-24 Viasat, Inc. Digital dynamic bias circuit
CN106208974A (zh) * 2016-08-30 2016-12-07 厦门信同信息技术有限公司 一种基于自适应数字包络跟踪技术的数字功率放大器的系统设计方法
TWI696344B (zh) * 2018-11-16 2020-06-11 財團法人工業技術研究院 線性度改善系統及線性度改善方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100450744B1 (ko) * 2002-08-29 2004-10-01 학교법인 포항공과대학교 도허티 증폭기
US20060199553A1 (en) * 2005-03-07 2006-09-07 Andrew Corporation Integrated transceiver with envelope tracking
US7518445B2 (en) * 2006-06-04 2009-04-14 Samsung Electro-Mechanics Company, Ltd. Systems, methods, and apparatuses for linear envelope elimination and restoration transmitters
KR20090036670A (ko) 2007-10-10 2009-04-15 삼성전자주식회사 무선통신 시스템에서 포락선 트래킹 전력증폭 송신장치 및방법

Also Published As

Publication number Publication date
EP2306638A1 (de) 2011-04-06
EP2306638B1 (de) 2011-11-16

Similar Documents

Publication Publication Date Title
WO2013134026A3 (en) Envelope tracking power amplifier system with delay calibration
GB201200627D0 (en) Pre-distortion in RF path in combination with shaping table in envelope path for envelope tracking amplifier
WO2008045159A3 (en) Output power correction module for amplifiers in transmitters
TW200943697A (en) Compensating for non-linear capacitance effects in a power amplifier
ATE502438T1 (de) Rf-sender mit kompensation der differentiellen pfadverzögerung
ATE523957T1 (de) Rauscharmer transkonduktanzverstärker mit quadraturausgang und differenzeingang
EP3111555B1 (de) Verstärkersystem und verfahren
ATE524872T1 (de) Automatische bias-kontrollschaltung für lineare leistungsverstärker
ATE395744T1 (de) Tabellenerstellung für willkürliche wellenformvorverzerrung
WO2008112041A3 (en) Power supply providing ultrafast modulation of output voltage
WO2014118345A3 (en) Envelope tracking modulator with feedback
TW200707451A (en) Sense amplifier with input offset compensation
ATE534188T1 (de) Hüllkurvennachführungsverstärkungsanordnung
EP4664759A3 (de) Systeme und verfahren zur verbesserung der ausgangsstabilität eines hochfrequenzleistungsverstärkers
WO2009114474A3 (en) Combination offset voltage and bias current auto-zero circuit
WO2009014740A3 (en) Reduced distortion radio frequency amplifiers
TW200718001A (en) Chopper amplifier circuit and semiconductor device
WO2009009420A3 (en) Low glitch offset correction circuit for auto-zero sensor amplifiers and method
EP3739751A3 (de) Hüllkurvenverfolgungsversorgungsmodulator mit null-spitzenwert und zugehöriges hüllkurvenverfolgungskalibrierverfahren und -system
JP2012049858A5 (de)
TW200515693A (en) Power amplifier having active bias circuit
UA100034C2 (ru) Способ корректировки коэффициента усиления емкостного элемента и устройство для его осуществления
TW200719315A (en) Source driver output stage circuit, buffer circuit and voltage adjusting method thereof
KR20160016324A (ko) 포락선 추적 전원 변조부 및 이를 적용한 전력증폭 시스템
WO2007140392A3 (en) Methods and apparatus to provide slew enhancement for low power amplifiers