FR2348599A1 - Circuit electronique pour ameliorer le rapport signal/bruit - Google Patents

Circuit electronique pour ameliorer le rapport signal/bruit

Info

Publication number
FR2348599A1
FR2348599A1 FR7611113A FR7611113A FR2348599A1 FR 2348599 A1 FR2348599 A1 FR 2348599A1 FR 7611113 A FR7611113 A FR 7611113A FR 7611113 A FR7611113 A FR 7611113A FR 2348599 A1 FR2348599 A1 FR 2348599A1
Authority
FR
France
Prior art keywords
circuit
output
noise ratio
differential amplifier
improved signal
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
FR7611113A
Other languages
English (en)
Other versions
FR2348599B1 (fr
Inventor
Thylbert De Paepe
Philippe Tempe
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.)
Compteurs Schlumberger SA
Original Assignee
Compteurs Schlumberger 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 Compteurs Schlumberger SA filed Critical Compteurs Schlumberger SA
Priority to FR7611113A priority Critical patent/FR2348599A1/fr
Publication of FR2348599A1 publication Critical patent/FR2348599A1/fr
Application granted granted Critical
Publication of FR2348599B1 publication Critical patent/FR2348599B1/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
    • H03H11/126—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
    • H03G5/16—Automatic control
    • H03G5/18—Automatic control in untuned amplifiers
    • H03G5/22—Automatic control in untuned amplifiers having semiconductor devices

Landscapes

  • Arrangements For Transmission Of Measured Signals (AREA)
FR7611113A 1976-04-15 1976-04-15 Circuit electronique pour ameliorer le rapport signal/bruit Granted FR2348599A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7611113A FR2348599A1 (fr) 1976-04-15 1976-04-15 Circuit electronique pour ameliorer le rapport signal/bruit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7611113A FR2348599A1 (fr) 1976-04-15 1976-04-15 Circuit electronique pour ameliorer le rapport signal/bruit

Publications (2)

Publication Number Publication Date
FR2348599A1 true FR2348599A1 (fr) 1977-11-10
FR2348599B1 FR2348599B1 (fr) 1979-09-21

Family

ID=9171877

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7611113A Granted FR2348599A1 (fr) 1976-04-15 1976-04-15 Circuit electronique pour ameliorer le rapport signal/bruit

Country Status (1)

Country Link
FR (1) FR2348599A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0685935A1 (fr) * 1994-06-03 1995-12-06 Alcatel Bell-Sdt Dispositif de filtrage

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0685935A1 (fr) * 1994-06-03 1995-12-06 Alcatel Bell-Sdt Dispositif de filtrage
US5598123A (en) * 1994-06-03 1997-01-28 Alcatel N.V. Filter arrangement for suppressing an AC voltage superposed on a DC voltage present across poles of a DC voltage source

Also Published As

Publication number Publication date
FR2348599B1 (fr) 1979-09-21

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Legal Events

Date Code Title Description
ST Notification of lapse