IT1208875B - Circuito per il controllo automatico del prodotto guadagno banda di amplificatori operazionali - Google Patents

Circuito per il controllo automatico del prodotto guadagno banda di amplificatori operazionali

Info

Publication number
IT1208875B
IT1208875B IT8767330A IT6733087A IT1208875B IT 1208875 B IT1208875 B IT 1208875B IT 8767330 A IT8767330 A IT 8767330A IT 6733087 A IT6733087 A IT 6733087A IT 1208875 B IT1208875 B IT 1208875B
Authority
IT
Italy
Prior art keywords
circuit
operational amplifiers
control band
product control
band gain
Prior art date
Application number
IT8767330A
Other languages
English (en)
Other versions
IT8767330A0 (it
Inventor
Michelangelo Mazzucco Siligoni
Original Assignee
Cselt Centro Studi Lab Telecom
Sgs Microelettronica Spa
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 Cselt Centro Studi Lab Telecom, Sgs Microelettronica Spa filed Critical Cselt Centro Studi Lab Telecom
Priority to IT8767330A priority Critical patent/IT1208875B/it
Publication of IT8767330A0 publication Critical patent/IT8767330A0/it
Priority to US07/178,556 priority patent/US4835490A/en
Priority to DE3887916T priority patent/DE3887916T2/de
Priority to DE198888105879T priority patent/DE287063T1/de
Priority to EP88105879A priority patent/EP0287063B1/en
Priority to CA000564036A priority patent/CA1298361C/en
Priority to JP63091914A priority patent/JP2534537B2/ja
Application granted granted Critical
Publication of IT1208875B publication Critical patent/IT1208875B/it

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/16—Automatic control
    • H03G5/18—Automatic control in untuned amplifiers
IT8767330A 1987-04-17 1987-04-17 Circuito per il controllo automatico del prodotto guadagno banda di amplificatori operazionali IT1208875B (it)

Priority Applications (7)

Application Number Priority Date Filing Date Title
IT8767330A IT1208875B (it) 1987-04-17 1987-04-17 Circuito per il controllo automatico del prodotto guadagno banda di amplificatori operazionali
US07/178,556 US4835490A (en) 1987-04-17 1988-04-07 Circuit for automatically controlling the gain-bandwidth product of operational amplifiers
DE3887916T DE3887916T2 (de) 1987-04-17 1988-04-13 Schaltung zum automatischen Regeln des Verstärkung-Bandbreite-Produktes von Operationsverstärkern.
DE198888105879T DE287063T1 (de) 1987-04-17 1988-04-13 Schaltung zum automatischen regeln des verstaerkung-bandbreite-produktes von operationsverstaerkern.
EP88105879A EP0287063B1 (en) 1987-04-17 1988-04-13 Circuit for automatically controlling the gain-bandwidth product of operational amplifiers
CA000564036A CA1298361C (en) 1987-04-17 1988-04-13 Circuit for automatically controlling the gain-bandwidth product of operational amplifiers
JP63091914A JP2534537B2 (ja) 1987-04-17 1988-04-15 演算増幅器の利得帯域幅積―ユニタリ、ゲイン周波数―を自動的に制御する回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8767330A IT1208875B (it) 1987-04-17 1987-04-17 Circuito per il controllo automatico del prodotto guadagno banda di amplificatori operazionali

Publications (2)

Publication Number Publication Date
IT8767330A0 IT8767330A0 (it) 1987-04-17
IT1208875B true IT1208875B (it) 1989-07-10

Family

ID=11301504

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8767330A IT1208875B (it) 1987-04-17 1987-04-17 Circuito per il controllo automatico del prodotto guadagno banda di amplificatori operazionali

Country Status (6)

Country Link
US (1) US4835490A (it)
EP (1) EP0287063B1 (it)
JP (1) JP2534537B2 (it)
CA (1) CA1298361C (it)
DE (2) DE287063T1 (it)
IT (1) IT1208875B (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2672750B1 (fr) * 1991-02-08 1996-12-20 Thomson Composants Militaires Circuit d'amplification a commande de gain exponentielle.
US6600374B2 (en) * 2001-06-25 2003-07-29 Rambus Inc. Collective automatic gain control
JP2003258604A (ja) 2002-03-06 2003-09-12 Mitsubishi Electric Corp フィルタを搭載した半導体集積回路
US7385448B2 (en) 2006-05-17 2008-06-10 Intelleflex Corporation Circuitry for adaptively generating and using a reference voltage
US7692484B2 (en) * 2006-10-26 2010-04-06 Stmicroelectronics Belgium Nv Bandwidth calibration of active filter
CN113131888B (zh) * 2020-01-10 2024-05-24 微龛(广州)半导体有限公司 带宽可调的放大器电路、方法、介质、终端和光接收机

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3603859A (en) * 1969-05-09 1971-09-07 Us Air Force System for multichannel variable-time constant control
US3714588A (en) * 1970-10-13 1973-01-30 Nasa Self tuning bandpass filter
FR2259486B1 (it) * 1974-01-25 1978-03-31 Commissariat Energie Atomique
US4439744A (en) * 1981-12-24 1984-03-27 Rca Corporation Variable power amplifier
US4760347A (en) * 1987-01-20 1988-07-26 Novatel Communications Ltd. Controlled-output amplifier and power detector therefor

Also Published As

Publication number Publication date
IT8767330A0 (it) 1987-04-17
JPS63280504A (ja) 1988-11-17
CA1298361C (en) 1992-03-31
DE3887916D1 (de) 1994-03-31
EP0287063B1 (en) 1994-02-23
US4835490A (en) 1989-05-30
DE3887916T2 (de) 1994-08-04
JP2534537B2 (ja) 1996-09-18
DE287063T1 (de) 1991-09-26
EP0287063A3 (en) 1990-11-28
EP0287063A2 (en) 1988-10-19

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970429