FR2108565A5 - - Google Patents

Info

Publication number
FR2108565A5
FR2108565A5 FR7134542A FR7134542A FR2108565A5 FR 2108565 A5 FR2108565 A5 FR 2108565A5 FR 7134542 A FR7134542 A FR 7134542A FR 7134542 A FR7134542 A FR 7134542A FR 2108565 A5 FR2108565 A5 FR 2108565A5
Authority
FR
France
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
Application number
FR7134542A
Other languages
French (fr)
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of FR2108565A5 publication Critical patent/FR2108565A5/fr
Expired 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
FR7134542A 1970-09-25 1971-09-24 Expired FR2108565A5 (OSRAM)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US7545670A 1970-09-25 1970-09-25
US251805A US3919658A (en) 1970-09-25 1972-05-09 Active RC filter circuit

Publications (1)

Publication Number Publication Date
FR2108565A5 true FR2108565A5 (OSRAM) 1972-05-19

Family

ID=26756888

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7134542A Expired FR2108565A5 (OSRAM) 1970-09-25 1971-09-24

Country Status (6)

Country Link
US (1) US3919658A (OSRAM)
BE (1) BE772809A (OSRAM)
FR (1) FR2108565A5 (OSRAM)
GB (1) GB1347127A (OSRAM)
NL (1) NL163919C (OSRAM)
SE (1) SE373996B (OSRAM)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4050023A (en) * 1976-03-30 1977-09-20 Edgar Albert D General purpose pole-zero single amplifier active filter
US4132966A (en) * 1977-08-18 1979-01-02 Bell Telephone Laboratories, Incorporated Single amplifier frequency dependent negative resistor
DE2813946C2 (de) * 1978-03-31 1980-01-31 Siemens Ag, 1000 Berlin Und 8000 Muenchen Filterschaltung mit einer biquadratischen Übertragungsfunktion
US4352074A (en) * 1980-02-01 1982-09-28 Westinghouse Electric Corp. Phase-locked loop filter
US4323798A (en) * 1980-04-18 1982-04-06 The United States Of America As Represented By The Secretary Of The Air Force Fast operating switchable operational amplifier driven circuits
JP3106373B2 (ja) 1991-09-12 2000-11-06 株式会社村田製作所 アクティブフィルタ回路
US5890058A (en) * 1995-09-18 1999-03-30 Kabushiki Kaisha Toshiba Electronic circuit and filter device using same
JP2004032188A (ja) * 2002-06-24 2004-01-29 General Res Of Electronics Inc アクティブフィルタ
RU2293436C1 (ru) * 2005-05-03 2007-02-10 Федеральное государственное унитарное предприятие "Центральный научно-исследовательский институт "Морфизприбор" Активный rc-фильтр
WO2008112599A2 (en) * 2007-03-09 2008-09-18 Chris Hymel Application of signal advance amplification to analog waveform or signal detection, acquisition and processing
US20160087602A1 (en) * 2014-09-24 2016-03-24 Western Digital Technologies, Inc. Adaptive feedback for power distribution network impedance barrier suppression
RU2710295C1 (ru) * 2018-11-06 2019-12-25 Акционерное Общество "Концерн "Океанприбор" Активный RC-фильтр нижних частот
RU2701038C1 (ru) * 2019-02-27 2019-09-24 федеральное государственное бюджетное образовательное учреждение высшего образования "Донской государственный технический университет" (ДГТУ) Полосовой фильтр на двух операционных усилителях с независимой подстройкой основных параметров

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL153042B (nl) * 1967-04-20 1977-04-15 Siemens Ag Elektrische, actieve filterschakeling met een versterker met frequentie-afhankelijke tegenkoppeling.
US3530395A (en) * 1967-12-29 1970-09-22 George J Prusha Differential amplifier system
US3566284A (en) * 1967-12-29 1971-02-23 Bell Telephone Labor Inc Active rc wave transmission network having a 360 degree non-minimum phase transfer function

Also Published As

Publication number Publication date
NL7112957A (OSRAM) 1972-03-28
US3919658A (en) 1975-11-11
SE373996B (OSRAM) 1975-02-17
DE2147556B2 (de) 1975-07-31
GB1347127A (en) 1974-02-27
DE2147556A1 (de) 1972-04-06
NL163919C (nl) 1980-10-15
BE772809A (fr) 1972-01-17
NL163919B (nl) 1980-05-16

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Legal Events

Date Code Title Description
ST Notification of lapse