DE602004005812D1 - Sperrfilter auf Basis einer biquadratischen Filterkonfiguration - Google Patents

Sperrfilter auf Basis einer biquadratischen Filterkonfiguration

Info

Publication number
DE602004005812D1
DE602004005812D1 DE602004005812T DE602004005812T DE602004005812D1 DE 602004005812 D1 DE602004005812 D1 DE 602004005812D1 DE 602004005812 T DE602004005812 T DE 602004005812T DE 602004005812 T DE602004005812 T DE 602004005812T DE 602004005812 D1 DE602004005812 D1 DE 602004005812D1
Authority
DE
Germany
Prior art keywords
filter
biquadratic
barrier
configuration
filter based
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
DE602004005812T
Other languages
English (en)
Inventor
Eoin Ohannaidh
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 SA
Original Assignee
STMicroelectronics SA
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 SA filed Critical STMicroelectronics SA
Publication of DE602004005812D1 publication Critical patent/DE602004005812D1/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
    • H03H11/12—Frequency selective two-port networks using amplifiers with feedback
    • H03H11/126—Frequency selective two-port networks using amplifiers with feedback using a single operational amplifier
DE602004005812T 2004-02-04 2004-02-04 Sperrfilter auf Basis einer biquadratischen Filterkonfiguration Expired - Lifetime DE602004005812D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04290295A EP1562290B1 (de) 2004-02-04 2004-02-04 Sperrfilter auf Basis einer biquadratischen Filterkonfiguration

Publications (1)

Publication Number Publication Date
DE602004005812D1 true DE602004005812D1 (de) 2007-05-24

Family

ID=34673743

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004005812T Expired - Lifetime DE602004005812D1 (de) 2004-02-04 2004-02-04 Sperrfilter auf Basis einer biquadratischen Filterkonfiguration

Country Status (3)

Country Link
US (1) US7109786B2 (de)
EP (1) EP1562290B1 (de)
DE (1) DE602004005812D1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9614496B1 (en) * 2015-11-24 2017-04-04 Analog Devices, Inc. Filter circuits with emitter follower transistors and servo loops
GB201707473D0 (en) * 2017-05-10 2017-06-21 Moog Bv Optimal control of coupled admittance controllers

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3550027A (en) * 1968-06-04 1970-12-22 Baldwin Co D H Parallel t active filters with adjustable q
US3501709A (en) * 1968-08-14 1970-03-17 Baldwin Co D H Transistor r-c filters
US4524332A (en) * 1982-02-10 1985-06-18 Motorola, Inc. Integrated notch filter
US6407627B1 (en) * 2001-02-07 2002-06-18 National Semiconductor Corporation Tunable sallen-key filter circuit assembly and method

Also Published As

Publication number Publication date
EP1562290B1 (de) 2007-04-11
US7109786B2 (en) 2006-09-19
EP1562290A1 (de) 2005-08-10
US20050189987A1 (en) 2005-09-01

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Legal Events

Date Code Title Description
8332 No legal effect for de