DE69631772D1 - Biquadratische Basiszelle für analogen programmierbaren zeitkontinuierlichen Filter - Google Patents

Biquadratische Basiszelle für analogen programmierbaren zeitkontinuierlichen Filter

Info

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
Application number
DE69631772T
Other languages
English (en)
Inventor
Francesco Rezzi
Rinaldo Castello
Marco Cazzaniga
Ivan Bietti
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
STMicroelectronics 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.)
Filing date
Publication date
Application filed by STMicroelectronics SRL filed Critical STMicroelectronics SRL
Application granted granted Critical
Publication of DE69631772D1 publication Critical patent/DE69631772D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
DE69631772T 1996-12-04 1996-12-04 Biquadratische Basiszelle für analogen programmierbaren zeitkontinuierlichen Filter Expired - Lifetime DE69631772D1 (de)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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
DE69222161T2 (de) * 1992-07-24 1998-02-26 Alsthom Cge Alcatel System zur Abstimmung eines Qualitätsfaktors
WO1994017590A1 (en) * 1993-01-27 1994-08-04 Micro Linear Corporation Circuit technique that sets transconductance

Also Published As

Publication number Publication date
EP0847137B9 (de) 2004-10-27
EP0847137B1 (de) 2004-03-03
US6239653B1 (en) 2001-05-29
EP0847137A1 (de) 1998-06-10

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Legal Events

Date Code Title Description
8332 No legal effect for de