ES2124973T3 - Dispositivo de mando de la polarizacion de un amplificador. - Google Patents

Dispositivo de mando de la polarizacion de un amplificador.

Info

Publication number
ES2124973T3
ES2124973T3 ES95400260T ES95400260T ES2124973T3 ES 2124973 T3 ES2124973 T3 ES 2124973T3 ES 95400260 T ES95400260 T ES 95400260T ES 95400260 T ES95400260 T ES 95400260T ES 2124973 T3 ES2124973 T3 ES 2124973T3
Authority
ES
Spain
Prior art keywords
signal
biassing
output
level
band
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
ES95400260T
Other languages
English (en)
Inventor
Frederic Gourgue
Veronique Soula
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alcatel Lucent SAS
Original Assignee
Alcatel Alsthom Compagnie Generale dElectricite
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 Alsthom Compagnie Generale dElectricite filed Critical Alcatel Alsthom Compagnie Generale dElectricite
Application granted granted Critical
Publication of ES2124973T3 publication Critical patent/ES2124973T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/04—Modifications of control circuit to reduce distortion caused by control

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Control Of Amplification And Gain Control (AREA)

Abstract

LA INVENCION SE REFIERE A UN DISPOSITIVO DE CONTROL DE LA POLARIZACION DE UN AMPLIFICADOR (1) DEL TIPO QUE RECIBE UNA SEÑAL DE ENTRADA A AMPLIFICAR (2) Y UNA SEÑAL DE POLARIZACION (4), Y QUE EMITE UNA SEÑAL DE SALIDA AMPLIFICADA (3), POSEYENDO DICHO AMPLIFICADOR (1) AL MENOS DOS VALORES DISTINTOS DE POTENCIA DE SALIDA POSIBLES Y QUE EMITE DICHA SEÑAL DE SALIDA AMPLIFICADA (3) PRINCIPALMENTE EN UNA BANDA DE FRECUENCIA PREDETERMINADA. SEGUN LA INVENCION, EL DISPOSITIVO COMPRENDE MEDIOS (6) DE CONTROL DE LA POLARIZACION DE DICHO AMPLIFICADOR (1) QUE RECIBEN UNA INFORMACION DE CONTROL DE LINEARIDAD (7), Y GENERAN DICHA SEÑAL DE POLARIZACION (4) EN FUNCION DE DICHA INFORMACION DE CONTROL DE LINEARIDAD Y DE MANERA QUE UN NIVEL REAL DE EMISION FUERA DE BANDA SEA SENSIBLEMENTE IGUAL A UN NIVEL DESEADO DE EMISION FUERA DE BANDA, SIENDO DICHO NIVEL REAL DE EMISION FUERA DE BANDA DEFINIDO COMO UN NIVEL DE EMISION DE DICHA SEÑAL DE SALIDA AMPLIFICADA (3) FUERA DE DICHA BANDA DE FRECUENCIAS PREDETERINADAS, Y ESTANDO DICHO NIVEL DESEADO DE EMISION FUERA DE BANDA DEFINIDO COMO N NIVEL DE UMBRAL MAXIMO PREDETERMINADO DE EMISION FUERA DE BANDA, PARA CUALQUIER VALOR DIFERENTE DE POTENCIA DE SALIDA POSIBLE.
ES95400260T 1994-02-11 1995-02-08 Dispositivo de mando de la polarizacion de un amplificador. Expired - Lifetime ES2124973T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9401581A FR2716313B1 (fr) 1994-02-11 1994-02-11 Dispositif de commande de la polarisation d'un amplificateur.

Publications (1)

Publication Number Publication Date
ES2124973T3 true ES2124973T3 (es) 1999-02-16

Family

ID=9460010

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95400260T Expired - Lifetime ES2124973T3 (es) 1994-02-11 1995-02-08 Dispositivo de mando de la polarizacion de un amplificador.

Country Status (11)

Country Link
US (1) US5625322A (es)
EP (1) EP0667675B1 (es)
JP (1) JPH07326938A (es)
KR (1) KR950035048A (es)
AT (1) ATE171827T1 (es)
AU (1) AU690175B2 (es)
CA (1) CA2141981A1 (es)
DE (1) DE69505024T2 (es)
ES (1) ES2124973T3 (es)
FR (1) FR2716313B1 (es)
TW (1) TW278275B (es)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2296145B (en) * 1994-12-15 1999-09-22 Nokia Mobile Phones Ltd Radio transmitters and methods of operation
US5953060A (en) * 1995-10-31 1999-09-14 Imec Vzw Method for reducing fixed pattern noise in solid state imaging devices
DE19615842A1 (de) * 1996-04-20 1997-10-23 Bosch Gmbh Robert Verfahren zur Steuerung der Leistung eines Sendeverstärkers eines Funkgerätes
JP3325770B2 (ja) * 1996-04-26 2002-09-17 三菱電機株式会社 ノイズ低減回路及びノイズ低減装置及びノイズ低減方法
JP3314724B2 (ja) * 1998-06-02 2002-08-12 日本電気株式会社 電力増幅回路および電力自動制御方法
JP2000286915A (ja) * 1999-03-31 2000-10-13 Toshiba Corp 信号変調回路及び信号変調方法
US6339361B1 (en) * 1999-06-09 2002-01-15 Conexant Systems, Inc. Power amplifier driver system for wireless handset
US6172564B1 (en) * 1999-07-30 2001-01-09 Eugene Rzyski Intermodulation product cancellation circuit
FR2799063B1 (fr) * 1999-09-24 2001-12-21 Centre Nat Etd Spatiales Emetteur de signaux radioelectriques modules a polarisation d'amplification auto-adaptee
JP2001203591A (ja) * 2000-01-18 2001-07-27 Hitachi Kokusai Electric Inc 送信装置
US6684064B2 (en) * 2000-03-29 2004-01-27 Interdigital Technology Corp. Dynamic bias for RF power amplifiers
US6782062B1 (en) * 2000-03-29 2004-08-24 Sony Corporation Low power and high linearity receivers with reactively biased front ends
US6625238B2 (en) * 2000-03-29 2003-09-23 Sony Corporation Low power and high linearity receivers with reactively biased front ends
US6351189B1 (en) * 2000-07-31 2002-02-26 Nokia Networks Oy System and method for auto-bias of an amplifier
JP2004530313A (ja) * 2000-11-03 2004-09-30 クゥアルコム・インコーポレイテッド 送信器の利得に基づいた送信器のバイアス電流の調節
US7012968B2 (en) * 2000-11-30 2006-03-14 Lg Electronics, Inc. Apparatus for detecting and adjusting transmission power of CDMA system
US6834182B2 (en) * 2001-01-31 2004-12-21 Nokia Corporation Method and apparatus providing real-time adjacent channel power ratio (ACPR) in a mobile station
US7058360B1 (en) * 2001-02-08 2006-06-06 National Semiconductor Corporation Method and system for stabilizing the performance variation of a radio frequency device
US6404284B1 (en) 2001-04-19 2002-06-11 Anadigics, Inc. Amplifier bias adjustment circuit to maintain high-output third-order intermodulation distortion performance
JP3664990B2 (ja) * 2001-04-25 2005-06-29 株式会社東芝 高周波回路及び通信システム
SE0101961D0 (sv) * 2001-06-01 2001-06-01 Ericsson Telefon Ab L M Bias current control in transistors
DE10131654A1 (de) * 2001-06-29 2003-01-16 Infineon Technologies Ag Arbeitspunktoptimierung von Sendeleistungsverstärkern in Mobilstationen
US7031677B2 (en) * 2001-06-29 2006-04-18 Infineon Technologies Ag Optimization of the operating point of power amplifiers in mobile stations
US6756844B2 (en) 2001-08-07 2004-06-29 Hitachi Kokusai Electric Inc. Distortion compensation amplification apparatus of feed forward type and adaptive pre-distortion type
US7002410B2 (en) * 2001-08-29 2006-02-21 Gct Semiconductor, Inc. Adaptive linearization technique for communication building block
US6687491B2 (en) * 2002-01-18 2004-02-03 Sony Corporation Direct conversion of low power high linearity receiver
GB2386012A (en) * 2002-03-02 2003-09-03 Motorola Inc A linearized class C RF amplifier
US6794935B2 (en) * 2002-10-17 2004-09-21 Motorola Inc. Power amplification circuit and method for supplying power at a plurality of desired power output levels
GB2400249B (en) * 2003-03-31 2005-08-10 Motorola Inc Power amplifier and a RF transmitter and terminal including the amplifier
FI116870B (fi) * 2003-06-19 2006-03-15 Nokia Corp Järjestely energian säästämiseksi lähettimessä sekä radiolaite
TW200507471A (en) * 2003-06-25 2005-02-16 Koninkl Philips Electronics Nv Distortion/efficiency adaptation in a variable data-rate radio transmitter
US7170341B2 (en) * 2003-08-05 2007-01-30 Motorola, Inc. Low power consumption adaptive power amplifier
US20060084398A1 (en) * 2004-10-15 2006-04-20 Maciej Chmiel Method and apparatus for predictively optimizing efficiency of a radio frequency (RF) power amplifier
US7808022B1 (en) 2005-03-28 2010-10-05 Cypress Semiconductor Corporation Cross talk reduction
US7755429B2 (en) * 2007-02-16 2010-07-13 Microelectronics Technology Inc. System and method for dynamic drain voltage adjustment to control linearity, output power, and efficiency in RF power amplifiers
US7489191B2 (en) 2007-06-08 2009-02-10 General Electric Company Circuit and method for reducing bias noise in amplifier circuits
FR3058013B1 (fr) * 2016-10-21 2020-11-13 Worldcast Systems Procede et dispositif d'optimisation de la puissance radiofrequence d'un emetteur de radiodiffusion fm
US10116264B1 (en) * 2017-05-31 2018-10-30 Corning Optical Communications Wireless Ltd Calibrating a power amplifier such as in a remote unit in a wireless distribution system (WDS)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2080248A5 (es) * 1970-02-27 1971-11-12 Thomson Csf
DE3714984A1 (de) * 1987-05-06 1988-12-01 Ant Nachrichtentech Verfahren zur temperaturkompensation von elektrischen netzwerken sowie anordnungen hierzu
JPH02285817A (ja) * 1989-04-27 1990-11-26 Nec Corp 無線送信機
US5119040A (en) * 1991-01-04 1992-06-02 Motorola, Inc. Method and apparatus for optimizing the performance of a power amplifier circuit
US5204637A (en) * 1992-04-17 1993-04-20 Hughes Aircraft Company Power detection technique for automatic amplifier power control

Also Published As

Publication number Publication date
AU1136295A (en) 1995-08-24
FR2716313B1 (fr) 1996-04-12
DE69505024T2 (de) 1999-04-01
KR950035048A (ko) 1995-12-30
TW278275B (es) 1996-06-11
EP0667675A1 (fr) 1995-08-16
EP0667675B1 (fr) 1998-09-30
DE69505024D1 (de) 1998-11-05
FR2716313A1 (fr) 1995-08-18
ATE171827T1 (de) 1998-10-15
JPH07326938A (ja) 1995-12-12
US5625322A (en) 1997-04-29
CA2141981A1 (fr) 1995-08-12
AU690175B2 (en) 1998-04-23

Similar Documents

Publication Publication Date Title
ES2124973T3 (es) Dispositivo de mando de la polarizacion de un amplificador.
DE69429698D1 (de) Optischer Verstärker
UA39094C2 (uk) Передавач (варіанти), спосіб керування підсилювачем, схема підсилення і керування насиченням підсилювача
MX9504610A (es) Metodo y aparato para aumentar la eficiencia del amplificador.
GR3019358T3 (en) Amplifying with directly coupled, cascaded amplifiers
MX9101591A (es) Amplificador de control ganancia lineal
WO1990010363A3 (en) Power efficient hearing aid
ATE205994T1 (de) Programmierbares hörgerät
MY110755A (en) Amplifier stage having an output voltage that is db linear.
SE9701521L (sv) Effektförstärkare och tillhörande förfarande
EP0400819A3 (en) Low bias, high slew rate operational amplifier
DE59603522D1 (de) Schaltungsanordnung zur Auswertung von Intermodulationsprodukten
GB2001495A (en) Limiting audio signal peaks without distortion
MX9602957A (es) Etapa de salida de un amplificador operacional adecuado para montarse sobre un substrato y metodo de amplificacion con el mismo.
DK0500988T3 (da) På hovedet bærbart høreapparat
MY115672A (en) Primary color video signal output circuit
DE59810749D1 (de) Verfahren und Vorrichtung zum adaptiven Regeln des Verstärkungsfaktors eines Verstärkers
WO1998048510A3 (en) An arrangement and method relating to signal power amplification
GB8912462D0 (en) Processing circuit for optical combustion monitor
DE3381276D1 (de) Schaltungsanordnung zur lautstaerkestellung.
JPS56162511A (en) Power amplifier
JPS56157107A (en) Signal amplifying circuit
DE59007715D1 (de) Schaltungsanordnung zur Regelung des Pegels elektrischer Signale.
NO20010448D0 (no) Fremgangsmåte for oppsetting av en lineariseringskrets
GB2261143A (en) Apparatus for filtering and amplifying an oscillator

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 667675

Country of ref document: ES