IT1215374B - Filtro elettronico integrato attivo avente bassissima sensitivita' alle ariazioni dei componenti. - Google Patents
Filtro elettronico integrato attivo avente bassissima sensitivita' alle ariazioni dei componenti.Info
- Publication number
- IT1215374B IT1215374B IT8719590A IT1959087A IT1215374B IT 1215374 B IT1215374 B IT 1215374B IT 8719590 A IT8719590 A IT 8719590A IT 1959087 A IT1959087 A IT 1959087A IT 1215374 B IT1215374 B IT 1215374B
- Authority
- IT
- Italy
- Prior art keywords
- components
- air
- low sensitivity
- integrated electronic
- electronic filter
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H19/00—Networks using time-varying elements, e.g. N-path filters
- H03H19/004—Switched capacitor networks
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Networks Using Active Elements (AREA)
- Filters That Use Time-Delay Elements (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT8719590A IT1215374B (it) | 1987-03-05 | 1987-03-05 | Filtro elettronico integrato attivo avente bassissima sensitivita' alle ariazioni dei componenti. |
| US07/160,643 US4920325A (en) | 1987-03-05 | 1988-02-26 | Integrated active electronic switched capacitor filter having extremely low sensitivity to variations of the components |
| DE3806442A DE3806442C2 (de) | 1987-03-05 | 1988-02-29 | Integriertes aktives elektronisches Filter |
| JP63051413A JP2571811B2 (ja) | 1987-03-05 | 1988-03-04 | 集積能動電子フィルタ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT8719590A IT1215374B (it) | 1987-03-05 | 1987-03-05 | Filtro elettronico integrato attivo avente bassissima sensitivita' alle ariazioni dei componenti. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IT8719590A0 IT8719590A0 (it) | 1987-03-05 |
| IT1215374B true IT1215374B (it) | 1990-02-08 |
Family
ID=11159285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT8719590A IT1215374B (it) | 1987-03-05 | 1987-03-05 | Filtro elettronico integrato attivo avente bassissima sensitivita' alle ariazioni dei componenti. |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4920325A (it) |
| JP (1) | JP2571811B2 (it) |
| DE (1) | DE3806442C2 (it) |
| IT (1) | IT1215374B (it) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1215374B (it) | 1987-03-05 | 1990-02-08 | Sgs Microelettronica Spa | Filtro elettronico integrato attivo avente bassissima sensitivita' alle ariazioni dei componenti. |
| IT1227615B (it) * | 1988-12-22 | 1991-04-22 | Sgs Thomson Microelectronics | Filtro completamente differenziale a condensatori commutati utilizzante amplificatori operazionali cmos senza retroazione di modo comune |
| US5039963A (en) * | 1990-01-26 | 1991-08-13 | At&T Bell Laboratories | Method for reducing signal-dependent distortion in switched-capacitor filters or the like |
| IT1249299B (it) * | 1991-04-30 | 1995-02-22 | Sgs Thomson Microelectronics | Circuito integrato con componenti passivi trimmabili |
| US5495200A (en) * | 1993-04-06 | 1996-02-27 | Analog Devices, Inc. | Double sampled biquad switched capacitor filter |
| USD366424S (en) | 1995-01-10 | 1996-01-23 | Ballanda Limited | LCD alarm clock |
| JP2000166174A (ja) | 1998-11-20 | 2000-06-16 | Nec Corp | 振動発生装置 |
| JP3628636B2 (ja) * | 2001-07-30 | 2005-03-16 | シャープ株式会社 | スイッチトキャパシタ回路 |
| GB2430819B (en) * | 2003-12-05 | 2007-08-01 | Wolfson Microelectronics Plc | Digital-to-analogue converter |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55166324A (en) * | 1979-06-14 | 1980-12-25 | Fujitsu Ltd | Switched capacitor filter |
| JPS5625820A (en) * | 1979-08-09 | 1981-03-12 | Nec Corp | Switched capacitor filter |
| FR2471699A1 (fr) * | 1979-12-12 | 1981-06-19 | Trt Telecom Radio Electr | Dispositif de filtrage comportant des reseaux integrateurs a commutation de capacites |
| JPS56157115A (en) * | 1980-05-07 | 1981-12-04 | Oki Electric Ind Co Ltd | Switched capacitor filter |
| JPS59144216A (ja) * | 1983-02-08 | 1984-08-18 | Hiroaki Kunieda | スイツチトキヤパシタフイルタ |
| IT1215374B (it) | 1987-03-05 | 1990-02-08 | Sgs Microelettronica Spa | Filtro elettronico integrato attivo avente bassissima sensitivita' alle ariazioni dei componenti. |
-
1987
- 1987-03-05 IT IT8719590A patent/IT1215374B/it active
-
1988
- 1988-02-26 US US07/160,643 patent/US4920325A/en not_active Expired - Lifetime
- 1988-02-29 DE DE3806442A patent/DE3806442C2/de not_active Expired - Fee Related
- 1988-03-04 JP JP63051413A patent/JP2571811B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US4920325A (en) | 1990-04-24 |
| JP2571811B2 (ja) | 1997-01-16 |
| DE3806442C2 (de) | 1995-11-02 |
| IT8719590A0 (it) | 1987-03-05 |
| JPS63232705A (ja) | 1988-09-28 |
| DE3806442A1 (de) | 1988-10-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970329 |