FR2331912A1 - Filtre actif, a parametres reglables de facon independante - Google Patents
Filtre actif, a parametres reglables de facon independanteInfo
- Publication number
- FR2331912A1 FR2331912A1 FR7534823A FR7534823A FR2331912A1 FR 2331912 A1 FR2331912 A1 FR 2331912A1 FR 7534823 A FR7534823 A FR 7534823A FR 7534823 A FR7534823 A FR 7534823A FR 2331912 A1 FR2331912 A1 FR 2331912A1
- Authority
- FR
- France
- Prior art keywords
- resistor
- bandpass filter
- order
- independently controlled
- active bandpass
- 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
Links
- 239000003990 capacitor Substances 0.000 abstract 6
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
- H03G5/02—Manually-operated control
- H03G5/04—Manually-operated control in untuned amplifiers
-
- 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
- H03H11/1286—Sallen-Key biquad
Landscapes
- Networks Using Active Elements (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7534823A FR2331912A1 (fr) | 1975-11-14 | 1975-11-14 | Filtre actif, a parametres reglables de facon independante |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7534823A FR2331912A1 (fr) | 1975-11-14 | 1975-11-14 | Filtre actif, a parametres reglables de facon independante |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2331912A1 true FR2331912A1 (fr) | 1977-06-10 |
FR2331912B1 FR2331912B1 (fr) | 1979-06-22 |
Family
ID=9162419
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7534823A Granted FR2331912A1 (fr) | 1975-11-14 | 1975-11-14 | Filtre actif, a parametres reglables de facon independante |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2331912A1 (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2446041A1 (fr) * | 1979-01-04 | 1980-08-01 | Ass Ouvriers Instr Precision | Circuit de demodulation et de filtrage pour un recepteur d'impulsions telephoniques codees |
FR2447658A1 (fr) * | 1979-01-24 | 1980-08-22 | Ass Ouvriers Instr Precision | Dispositif d'emission et de reception d'impulsions telephoniques |
FR2880742A1 (fr) * | 2005-01-12 | 2006-07-14 | Alain Maurice Ange Magagnini | Filtre passe bande analogique du deuxieme degre tres selectif avec procede de synthese par un montage a boucle fermee a reaction autour d'un filtre actif passe bande du deuxieme degre |
-
1975
- 1975-11-14 FR FR7534823A patent/FR2331912A1/fr active Granted
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2446041A1 (fr) * | 1979-01-04 | 1980-08-01 | Ass Ouvriers Instr Precision | Circuit de demodulation et de filtrage pour un recepteur d'impulsions telephoniques codees |
FR2447658A1 (fr) * | 1979-01-24 | 1980-08-22 | Ass Ouvriers Instr Precision | Dispositif d'emission et de reception d'impulsions telephoniques |
FR2880742A1 (fr) * | 2005-01-12 | 2006-07-14 | Alain Maurice Ange Magagnini | Filtre passe bande analogique du deuxieme degre tres selectif avec procede de synthese par un montage a boucle fermee a reaction autour d'un filtre actif passe bande du deuxieme degre |
Also Published As
Publication number | Publication date |
---|---|
FR2331912B1 (fr) | 1979-06-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |