DE3887916T2 - Schaltung zum automatischen Regeln des Verstärkung-Bandbreite-Produktes von Operationsverstärkern. - Google Patents

Schaltung zum automatischen Regeln des Verstärkung-Bandbreite-Produktes von Operationsverstärkern.

Info

Publication number: DE3887916T2
Authority: DE; Germany
Prior art keywords: gain; circuit; automatically controlling; operational amplifiers; bandwidth product
Prior art date: 1987-04-17
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 - Fee Related

Application number

DE3887916T

Other languages

English (en)

Other versions

DE3887916D1 (de

Inventor

Michelangelo Mazzucco

Vanni Poletto

Marco Siligoni

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.)

STMicroelectronics SRL

Original Assignee

SGS Thomson Microelectronics SRL

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.)

1987-04-17

Filing date

1988-04-13

Publication date

1994-08-04

1988-04-13 Application filed by SGS Thomson Microelectronics SRL filed Critical SGS Thomson Microelectronics SRL

1994-03-31 Application granted granted Critical

1994-03-31 Publication of DE3887916D1 publication Critical patent/DE3887916D1/de

1994-08-04 Publication of DE3887916T2 publication Critical patent/DE3887916T2/de

2008-04-14 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

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

DE3887916T 1987-04-17 1988-04-13 Schaltung zum automatischen Regeln des Verstärkung-Bandbreite-Produktes von Operationsverstärkern. Expired - Fee Related DE3887916T2 (de)

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
DE3887916D1 DE3887916D1 (de)	1994-03-31
DE3887916T2 true DE3887916T2 (de)	1994-08-04

Family

ID=11301504

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
DE3887916T Expired - Fee Related DE3887916T2 (de)	1987-04-17	1988-04-13	Schaltung zum automatischen Regeln des Verstärkung-Bandbreite-Produktes von Operationsverstärkern.
DE198888105879T Pending DE287063T1 (de)	1987-04-17	1988-04-13	Schaltung zum automatischen regeln des verstaerkung-bandbreite-produktes von operationsverstaerkern.

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
DE198888105879T Pending DE287063T1 (de)	1987-04-17	1988-04-13	Schaltung zum automatischen regeln des verstaerkung-bandbreite-produktes von operationsverstaerkern.

Country Status (6)

Country	Link
US (1)	US4835490A (de)
EP (1)	EP0287063B1 (de)
JP (1)	JP2534537B2 (de)
CA (1)	CA1298361C (de)
DE (2)	DE3887916T2 (de)
IT (1)	IT1208875B (de)

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
CN113131888A (zh) *	2020-01-10	2021-07-16	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 (de) *	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

1987
- 1987-04-17 IT IT8767330A patent/IT1208875B/it active
1988
- 1988-04-07 US US07/178,556 patent/US4835490A/en not_active Expired - Lifetime
- 1988-04-13 DE DE3887916T patent/DE3887916T2/de not_active Expired - Fee Related
- 1988-04-13 EP EP88105879A patent/EP0287063B1/de not_active Expired - Lifetime
- 1988-04-13 DE DE198888105879T patent/DE287063T1/de active Pending
- 1988-04-13 CA CA000564036A patent/CA1298361C/en not_active Expired
- 1988-04-15 JP JP63091914A patent/JP2534537B2/ja not_active Expired - Fee Related

Also Published As

Publication number	Publication date
IT8767330A0 (it)	1987-04-17
IT1208875B (it)	1989-07-10
EP0287063A2 (de)	1988-10-19
DE3887916D1 (de)	1994-03-31
CA1298361C (en)	1992-03-31
EP0287063B1 (de)	1994-02-23
JPS63280504A (ja)	1988-11-17
JP2534537B2 (ja)	1996-09-18
EP0287063A3 (en)	1990-11-28
DE287063T1 (de)	1991-09-26
US4835490A (en)	1989-05-30

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Legal Events

Date	Code	Title	Description
1994-05-26	8380	Miscellaneous part iii	Free format text: DER INHABER IST ZU AENDERN IN: SGS-THOMSON MICROELECTRONICS S.R.L., AGRATE BRIANZA, MAILAND/MILANO, IT
1995-03-23	8364	No opposition during term of opposition
2004-02-12	8339	Ceased/non-payment of the annual fee