FR2454105B1 - - Google Patents

Info

Publication number
FR2454105B1
FR2454105B1 FR7909057A FR7909057A FR2454105B1 FR 2454105 B1 FR2454105 B1 FR 2454105B1 FR 7909057 A FR7909057 A FR 7909057A FR 7909057 A FR7909057 A FR 7909057A FR 2454105 B1 FR2454105 B1 FR 2454105B1
Authority
FR
France
Prior art keywords
output
level
signal
transducer
main amplifier
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
Application number
FR7909057A
Other languages
English (en)
French (fr)
Other versions
FR2454105A1 (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.)
Sercel SAS
Original Assignee
Sercel SAS
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 Sercel SAS filed Critical Sercel SAS
Priority to FR7909057A priority Critical patent/FR2454105A1/fr
Priority to EP80400472A priority patent/EP0017596B1/fr
Priority to DE8080400472T priority patent/DE3070409D1/de
Priority to AT80400472T priority patent/ATE12547T1/de
Publication of FR2454105A1 publication Critical patent/FR2454105A1/fr
Application granted granted Critical
Publication of FR2454105B1 publication Critical patent/FR2454105B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3084—Automatic control in amplifiers having semiconductor devices in receivers or transmitters for electromagnetic waves other than radiowaves, e.g. lightwaves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/491—Details of non-pulse systems
    • G01S7/493—Extracting wanted echo signals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
    • H01J43/04—Electron multipliers
    • H01J43/30—Circuit arrangements not adapted to a particular application of the tube and not otherwise provided for
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/60—Receivers
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
    • H10F77/00—Constructional details of devices covered by this subclass
    • H10F77/95—Circuit arrangements
    • H10F77/953—Circuit arrangements for devices having potential barriers
    • H10F77/959—Circuit arrangements for devices having potential barriers for devices working in avalanche mode

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Signal Processing (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Amplifiers (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Nuclear Medicine (AREA)
  • Optical Communication System (AREA)
FR7909057A 1979-04-10 1979-04-10 Dispositif photorecepteur a faible bruit Granted FR2454105A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR7909057A FR2454105A1 (fr) 1979-04-10 1979-04-10 Dispositif photorecepteur a faible bruit
EP80400472A EP0017596B1 (fr) 1979-04-10 1980-04-09 Dispositif photorécepteur à faible bruit
DE8080400472T DE3070409D1 (en) 1979-04-10 1980-04-09 Low noise photoreceiver
AT80400472T ATE12547T1 (de) 1979-04-10 1980-04-09 Rauscharmer photoempfaenger.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7909057A FR2454105A1 (fr) 1979-04-10 1979-04-10 Dispositif photorecepteur a faible bruit

Publications (2)

Publication Number Publication Date
FR2454105A1 FR2454105A1 (fr) 1980-11-07
FR2454105B1 true FR2454105B1 (enExample) 1983-11-18

Family

ID=9224175

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7909057A Granted FR2454105A1 (fr) 1979-04-10 1979-04-10 Dispositif photorecepteur a faible bruit

Country Status (4)

Country Link
EP (1) EP0017596B1 (enExample)
AT (1) ATE12547T1 (enExample)
DE (1) DE3070409D1 (enExample)
FR (1) FR2454105A1 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2122447B (en) * 1982-06-17 1985-11-13 Standard Telephones Cables Ltd Optical receiver
FR2571148B1 (fr) * 1984-09-28 1987-01-02 Electricite De France Detecteur de faisceau lumineux a photodiode a circuit de reglage du point de fonctionnement
EP0282801B1 (de) * 1987-03-17 1992-04-29 Siemens Aktiengesellschaft Regelung des Multiplikationsfaktors von Lawinenphotodioden in optischen Empfängern
EP0783808B1 (en) * 1994-09-03 2000-08-02 International Business Machines Corporation Optical transmitter and transceiver module for wireless data transmission
US7309852B2 (en) 2004-10-18 2007-12-18 Avago Technologies Ecbu Ip (Singapore) Pte Ltd. Variable noise control for an optical transducer

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3644740A (en) * 1969-07-22 1972-02-22 Hughes Aircraft Co Control circuit for biasing a photodetector so as to maintain a selected false alarm rate
US3898452A (en) * 1974-08-15 1975-08-05 Itt Electron multiplier gain stabilization

Also Published As

Publication number Publication date
ATE12547T1 (de) 1985-04-15
EP0017596A1 (fr) 1980-10-15
FR2454105A1 (fr) 1980-11-07
DE3070409D1 (en) 1985-05-09
EP0017596B1 (fr) 1985-04-03

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Legal Events

Date Code Title Description
ST Notification of lapse
RC Opposition against decision of lapse
DA Annulment of decision of lapse