FR2363227A1 - Circuit d'interface pour la conversion de signaux de basse tension en signaux de tension elevee - Google Patents

Circuit d'interface pour la conversion de signaux de basse tension en signaux de tension elevee

Info

Publication number
FR2363227A1
FR2363227A1 FR7625771A FR7625771A FR2363227A1 FR 2363227 A1 FR2363227 A1 FR 2363227A1 FR 7625771 A FR7625771 A FR 7625771A FR 7625771 A FR7625771 A FR 7625771A FR 2363227 A1 FR2363227 A1 FR 2363227A1
Authority
FR
France
Prior art keywords
phototransistor
electromechanical device
networks
led
optical coupling
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
FR7625771A
Other languages
English (en)
Other versions
FR2363227B1 (fr
Inventor
Catherine Bockel
Claude Gerbaud
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.)
Alcatel CIT SA
Original Assignee
Alcatel CIT 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 Alcatel CIT SA filed Critical Alcatel CIT SA
Priority to FR7625771A priority Critical patent/FR2363227A1/fr
Publication of FR2363227A1 publication Critical patent/FR2363227A1/fr
Application granted granted Critical
Publication of FR2363227B1 publication Critical patent/FR2363227B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/78—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled
    • H03K17/795—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled controlling bipolar transistors
    • H03K17/7955—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled controlling bipolar transistors using phototransistors

Landscapes

  • Networks Using Active Elements (AREA)

Abstract

Circuit d'interface pour la conversion de signaux de basse tension en signaux de tension élevée. Le circuit d'interface comporte en entrée, une diode photo-émissive d'un photocoupleur dont le phototransistor est relié à un circuit Darlington. La sortie du circuit d'interface est reliée au collecteur du deuxième transistor du circuit Darlington. Applications : télécommunications.
FR7625771A 1976-08-25 1976-08-25 Circuit d'interface pour la conversion de signaux de basse tension en signaux de tension elevee Granted FR2363227A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7625771A FR2363227A1 (fr) 1976-08-25 1976-08-25 Circuit d'interface pour la conversion de signaux de basse tension en signaux de tension elevee

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7625771A FR2363227A1 (fr) 1976-08-25 1976-08-25 Circuit d'interface pour la conversion de signaux de basse tension en signaux de tension elevee

Publications (2)

Publication Number Publication Date
FR2363227A1 true FR2363227A1 (fr) 1978-03-24
FR2363227B1 FR2363227B1 (fr) 1979-03-02

Family

ID=9177148

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7625771A Granted FR2363227A1 (fr) 1976-08-25 1976-08-25 Circuit d'interface pour la conversion de signaux de basse tension en signaux de tension elevee

Country Status (1)

Country Link
FR (1) FR2363227A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5229665A (en) * 1992-02-28 1993-07-20 The United States Of America As Represented By The Secretary Of The Navy Optically controlled active impedance element and filters employing the same

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3825896A (en) * 1972-05-01 1974-07-23 Texas Instruments Inc Computer input/output interface systems using optically coupled isolators

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3825896A (en) * 1972-05-01 1974-07-23 Texas Instruments Inc Computer input/output interface systems using optically coupled isolators

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5229665A (en) * 1992-02-28 1993-07-20 The United States Of America As Represented By The Secretary Of The Navy Optically controlled active impedance element and filters employing the same

Also Published As

Publication number Publication date
FR2363227B1 (fr) 1979-03-02

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Legal Events

Date Code Title Description
ST Notification of lapse