DE3887916D1 - 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
- DE3887916D1 DE3887916D1 DE88105879T DE3887916T DE3887916D1 DE 3887916 D1 DE3887916 D1 DE 3887916D1 DE 88105879 T DE88105879 T DE 88105879T DE 3887916 T DE3887916 T DE 3887916T DE 3887916 D1 DE3887916 D1 DE 3887916D1
- Authority
- DE
- Germany
- Prior art keywords
- gain
- circuit
- automatically controlling
- operational amplifiers
- bandwidth product
- 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 - Fee Related
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
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 true DE3887916D1 (de) | 1994-03-31 |
DE3887916T2 DE3887916T2 (de) | 1994-08-04 |
Family
ID=11301504
Family Applications (2)
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. |
DE3887916T Expired - Fee Related DE3887916T2 (de) | 1987-04-17 | 1988-04-13 | Schaltung zum automatischen Regeln des Verstärkung-Bandbreite-Produktes von Operationsverstärkern. |
Family Applications Before (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) | DE287063T1 (de) |
IT (1) | IT1208875B (de) |
Families Citing this family (6)
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)
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 DE198888105879T patent/DE287063T1/de active Pending
- 1988-04-13 CA CA000564036A patent/CA1298361C/en not_active Expired
- 1988-04-13 EP EP88105879A patent/EP0287063B1/de not_active Expired - Lifetime
- 1988-04-13 DE DE3887916T patent/DE3887916T2/de not_active Expired - Fee Related
- 1988-04-15 JP JP63091914A patent/JP2534537B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0287063B1 (de) | 1994-02-23 |
JPS63280504A (ja) | 1988-11-17 |
US4835490A (en) | 1989-05-30 |
DE3887916T2 (de) | 1994-08-04 |
EP0287063A2 (de) | 1988-10-19 |
JP2534537B2 (ja) | 1996-09-18 |
DE287063T1 (de) | 1991-09-26 |
EP0287063A3 (en) | 1990-11-28 |
IT1208875B (it) | 1989-07-10 |
IT8767330A0 (it) | 1987-04-17 |
CA1298361C (en) | 1992-03-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8380 | Miscellaneous part iii |
Free format text: DER INHABER IST ZU AENDERN IN: SGS-THOMSON MICROELECTRONICS S.R.L., AGRATE BRIANZA, MAILAND/MILANO, IT |
|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |