FR2281006A1 - Cellule pour filtres actifs et filtres - Google Patents

Cellule pour filtres actifs et filtres

Info

Publication number
FR2281006A1
FR2281006A1 FR7426408A FR7426408A FR2281006A1 FR 2281006 A1 FR2281006 A1 FR 2281006A1 FR 7426408 A FR7426408 A FR 7426408A FR 7426408 A FR7426408 A FR 7426408A FR 2281006 A1 FR2281006 A1 FR 2281006A1
Authority
FR
France
Prior art keywords
filters
cell
active
active filters
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.)
Granted
Application number
FR7426408A
Other languages
English (en)
Other versions
FR2281006B1 (fr
Inventor
Pierre Thepaut
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.)
Lignes Telegraphiques et Telephoniques LTT SA
Original Assignee
Lignes Telegraphiques et Telephoniques LTT 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 Lignes Telegraphiques et Telephoniques LTT SA filed Critical Lignes Telegraphiques et Telephoniques LTT SA
Priority to FR7426408A priority Critical patent/FR2281006A1/fr
Priority to US05/588,814 priority patent/US3975691A/en
Priority to DE2534084A priority patent/DE2534084C3/de
Publication of FR2281006A1 publication Critical patent/FR2281006A1/fr
Application granted granted Critical
Publication of FR2281006B1 publication Critical patent/FR2281006B1/fr
Granted 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
    • H03H11/1217—Frequency selective two-port networks using amplifiers with feedback using a plurality of operational amplifiers
FR7426408A 1974-07-30 1974-07-30 Cellule pour filtres actifs et filtres Granted FR2281006A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR7426408A FR2281006A1 (fr) 1974-07-30 1974-07-30 Cellule pour filtres actifs et filtres
US05/588,814 US3975691A (en) 1974-07-30 1975-06-20 Active frequency filter cells
DE2534084A DE2534084C3 (de) 1974-07-30 1975-07-30 Aktives Filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7426408A FR2281006A1 (fr) 1974-07-30 1974-07-30 Cellule pour filtres actifs et filtres

Publications (2)

Publication Number Publication Date
FR2281006A1 true FR2281006A1 (fr) 1976-02-27
FR2281006B1 FR2281006B1 (fr) 1979-05-25

Family

ID=9141872

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7426408A Granted FR2281006A1 (fr) 1974-07-30 1974-07-30 Cellule pour filtres actifs et filtres

Country Status (3)

Country Link
US (1) US3975691A (fr)
DE (1) DE2534084C3 (fr)
FR (1) FR2281006A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6034568A (en) * 1998-06-15 2000-03-07 International Business Machines Corporation Broadband dc amplifier technique with very low offset voltage

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3727147A (en) * 1971-04-21 1973-04-10 Sonex Inc Band-pass filter

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2059728C3 (de) * 1970-12-04 1973-09-20 Wandel U. Goltermann, 7410 Reutlingen Spulenloser Dampfungs und Lauf zeitentzerrer

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3727147A (en) * 1971-04-21 1973-04-10 Sonex Inc Band-pass filter

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
REVUE US "PROCEEDINGS OF THE IEEE", VOLUME 56, NO. 6, JUIN 1968 , L'ARTICLE DE U.S.GANGULY ET S.KR.DAS: "AN ACTIVE DUAL-INPUT R.C.NOTCH FILTER" PAGES 1118 ET 1119 *

Also Published As

Publication number Publication date
FR2281006B1 (fr) 1979-05-25
DE2534084B2 (de) 1978-05-11
DE2534084A1 (de) 1976-02-12
DE2534084C3 (de) 1979-01-04
US3975691A (en) 1976-08-17

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Legal Events

Date Code Title Description
ST Notification of lapse