ES2053350T3 - Circuito amplificador de gran amplitud de banda con control automatico de ganancia y de tension de defasaje. - Google Patents

Circuito amplificador de gran amplitud de banda con control automatico de ganancia y de tension de defasaje.

Info

Publication number
ES2053350T3
ES2053350T3 ES92401541T ES92401541T ES2053350T3 ES 2053350 T3 ES2053350 T3 ES 2053350T3 ES 92401541 T ES92401541 T ES 92401541T ES 92401541 T ES92401541 T ES 92401541T ES 2053350 T3 ES2053350 T3 ES 2053350T3
Authority
ES
Spain
Prior art keywords
offset voltage
gain
gain control
amplifier circuit
automatic gain
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
ES92401541T
Other languages
English (en)
Inventor
Pierre Albouy
Guy Cochennec
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 NV
Original Assignee
Alcatel NV
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 NV filed Critical Alcatel NV
Application granted granted Critical
Publication of ES2053350T3 publication Critical patent/ES2053350T3/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

Landscapes

  • Amplifiers (AREA)
  • Control Of Amplification And Gain Control (AREA)

Abstract

EL CIRCUITO AMPLIFICADOR DE BANDA ANCHA CON CONTROL AUTOMATICO DE GANANCIA Y DE TENSION DE DESFASE COMPRENDE UNA CADENA PRINCIPAL AMPLIFICADORA (SY, AVG1, AVG2, BU), UN BUCLE DE CONTRARREACCION PARA EL CONTROL DE LA GANANCIA (T, AOPG) Y UN BUCLE DE CONTRARREACCION (T, AOPO) PARA EL CONTROL Y LA ANULACION EN SALIDA DE UNA EVENTUAL TENSION DE DESFASE, COMPRENDIENDO DICHA CADENA PRINCIPAL AMPLIFICADORA UN BLOQUE AMPLIFICADOR DE CONTROL DE GANANCIA (AGV1, AGV2) QUE RECIBE EN LA ENTRADA DE CONTROL LAS SALIDAS DEL BUCLE DE CONTRARREACCCION PARA EL CONTROL DE GANANCIA, CARACTERIZADO EN QUE EL BLOQUE AMPLIFICADOR DE CONTROL DE GANANCIA (AGV1, AGV2) ESTA PRECEDIDO EN LA CADENA PRINCIPAL POR UN BLOQUE SIMETRIZADOR-SUMADOR (SY) DE GANANCIA FIJA QUE TIENE UNA ENTRADA (MD,NB) QUE RECIBE UNA SEÑAL A AMPLIFICAR, Y QUE TIENE UNA ENTRADA (OD, OB) QUE RECIBE UNA SEÑAL DE CORRECCION DE LA TENSION DE DESFASE.
ES92401541T 1991-06-07 1992-06-04 Circuito amplificador de gran amplitud de banda con control automatico de ganancia y de tension de defasaje. Expired - Lifetime ES2053350T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9106939A FR2677512B1 (fr) 1991-06-07 1991-06-07 Circuit amplificateur large bande a controle automatique de gain et de tension de decalage.

Publications (1)

Publication Number Publication Date
ES2053350T3 true ES2053350T3 (es) 1994-07-16

Family

ID=9413599

Family Applications (1)

Application Number Title Priority Date Filing Date
ES92401541T Expired - Lifetime ES2053350T3 (es) 1991-06-07 1992-06-04 Circuito amplificador de gran amplitud de banda con control automatico de ganancia y de tension de defasaje.

Country Status (8)

Country Link
US (1) US5218320A (es)
EP (1) EP0517599B1 (es)
JP (1) JPH05183354A (es)
AT (1) ATE105657T1 (es)
CA (1) CA2070611A1 (es)
DE (1) DE69200132T2 (es)
ES (1) ES2053350T3 (es)
FR (1) FR2677512B1 (es)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2749729B2 (ja) * 1991-08-29 1998-05-13 三菱電機株式会社 磁気記録再生回路
JPH0878971A (ja) * 1994-06-30 1996-03-22 Fujitsu Ltd 出力回路および演算増幅器
US5477183A (en) * 1994-07-07 1995-12-19 Hughes Aircraft Company Automatic gain and level control circuit and method
US5917376A (en) * 1997-08-22 1999-06-29 Burr-Brown Corporation Circuit and technique for compensating high gain amplifier without compensation capacitors
US6288604B1 (en) * 1998-02-03 2001-09-11 Broadcom Corporation CMOS amplifier providing automatic offset cancellation
JP2001223546A (ja) * 2000-02-08 2001-08-17 Mitsubishi Electric Corp 多段信号増幅回路
US6466090B1 (en) * 2000-11-06 2002-10-15 Oki America, Inc. Digitally programmable continuous-time modules for signal processing
US6831510B2 (en) * 2003-02-06 2004-12-14 Fujitsu Limited Continuous low-frequency error cancellation in a high-speed differential amplifier
US7683717B2 (en) * 2005-12-15 2010-03-23 Intelleflex Corporation Fully differential amplifier with continuous-time offset reduction
US8076973B2 (en) * 2007-02-22 2011-12-13 Intelleflex Corporation Fully differential amplifier with continuous-time offset reduction
EP2533128B1 (en) * 2011-06-09 2014-01-08 ams AG Regulated current source and method for providing a regulated output current

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3757239A (en) * 1971-12-02 1973-09-04 Avco Corp Direct current amplifier drift reduction method
US4088962A (en) * 1977-04-06 1978-05-09 Trilling Ted R Self biasing differential amplifier
JPS59183516A (ja) * 1983-04-01 1984-10-18 Nec Corp Ａｇｃ増幅器負帰還回路
FR2642918B1 (fr) * 1989-02-09 1995-04-14 Cit Alcatel Circuit amplificateur large bande a controle automatique de gain
US4973917A (en) * 1989-09-27 1990-11-27 Threepenney Electronics Corporation Output amplifier

Also Published As

Publication number Publication date
CA2070611A1 (fr) 1992-12-08
FR2677512B1 (fr) 1993-08-20
DE69200132T2 (de) 1994-09-29
EP0517599A1 (fr) 1992-12-09
US5218320A (en) 1993-06-08
EP0517599B1 (fr) 1994-05-11
FR2677512A1 (fr) 1992-12-11
DE69200132D1 (de) 1994-06-16
ATE105657T1 (de) 1994-05-15
JPH05183354A (ja) 1993-07-23

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