DE69631772D1 - Biquadratische Basiszelle für analogen programmierbaren zeitkontinuierlichen Filter - Google Patents
Biquadratische Basiszelle für analogen programmierbaren zeitkontinuierlichen FilterInfo
- Publication number
- DE69631772D1 DE69631772D1 DE69631772T DE69631772T DE69631772D1 DE 69631772 D1 DE69631772 D1 DE 69631772D1 DE 69631772 T DE69631772 T DE 69631772T DE 69631772 T DE69631772 T DE 69631772T DE 69631772 D1 DE69631772 D1 DE 69631772D1
- Authority
- DE
- Germany
- Prior art keywords
- biquadratic
- basic cell
- time filter
- analog programmable
- programmable continuous
- 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
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/02—Multiple-port networks
- H03H11/04—Frequency selective two-port networks
- H03H11/0422—Frequency selective two-port networks using transconductance amplifiers, e.g. gmC filters
- H03H11/0433—Two integrator loop filters
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP96830603A EP0847137B9 (de) | 1996-12-04 | 1996-12-04 | Biquadratische Basiszelle für analogen programmierbaren zeitkontinuierlichen Filter |
Publications (1)
Publication Number | Publication Date |
---|---|
DE69631772D1 true DE69631772D1 (de) | 2004-04-08 |
Family
ID=8226067
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69631772T Expired - Lifetime DE69631772D1 (de) | 1996-12-04 | 1996-12-04 | Biquadratische Basiszelle für analogen programmierbaren zeitkontinuierlichen Filter |
Country Status (3)
Country | Link |
---|---|
US (1) | US6239653B1 (de) |
EP (1) | EP0847137B9 (de) |
DE (1) | DE69631772D1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6359503B1 (en) * | 1995-02-22 | 2002-03-19 | Sgs-Thomson Microelectronics, S.R.L. | Basic cell for programmable analog time-continuous filter |
IT1316690B1 (it) * | 2000-02-29 | 2003-04-24 | St Microelectronics Srl | Struttura circuitale di tipo feedforward a zeri programmabili,inparticolare per la sintesi di filtri a tempo continuo |
US7158772B1 (en) * | 2002-01-18 | 2007-01-02 | Lsi Logic Corporation | Filter for broadcast receiver tuner |
EP1811662B1 (de) * | 2006-01-11 | 2009-12-30 | Stmicroelectronics Sa | Biquadratisches Tiefpassfilter mit variabler Verstärkung |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5081423A (en) * | 1988-07-28 | 1992-01-14 | Kabushiki Kaisha Toshiba | Integrator and active filter including integrator with simple phase compensation |
ES2108082T3 (es) * | 1992-07-24 | 1997-12-16 | Alsthom Cge Alcatel | Sistema de sintonizacion de un factor de calidad. |
WO1994017590A1 (en) * | 1993-01-27 | 1994-08-04 | Micro Linear Corporation | Circuit technique that sets transconductance |
-
1996
- 1996-12-04 EP EP96830603A patent/EP0847137B9/de not_active Expired - Lifetime
- 1996-12-04 DE DE69631772T patent/DE69631772D1/de not_active Expired - Lifetime
-
1997
- 1997-12-03 US US08/984,107 patent/US6239653B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0847137A1 (de) | 1998-06-10 |
EP0847137B9 (de) | 2004-10-27 |
US6239653B1 (en) | 2001-05-29 |
EP0847137B1 (de) | 2004-03-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8332 | No legal effect for de |