ES8503143A1 - Un circuito para regular la corriente - Google Patents

Un circuito para regular la corriente

Info

Publication number
ES8503143A1
ES8503143A1 ES528050A ES528050A ES8503143A1 ES 8503143 A1 ES8503143 A1 ES 8503143A1 ES 528050 A ES528050 A ES 528050A ES 528050 A ES528050 A ES 528050A ES 8503143 A1 ES8503143 A1 ES 8503143A1
Authority
ES
Spain
Prior art keywords
circuit arrangement
voltage
collector
constant current
keeping
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
ES528050A
Other languages
English (en)
Other versions
ES528050A0 (es
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana 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 Espana SA filed Critical Alcatel Espana SA
Publication of ES8503143A1 publication Critical patent/ES8503143A1/es
Publication of ES528050A0 publication Critical patent/ES528050A0/es
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/001—Current supply source at the exchanger providing current to substations

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Interface Circuits In Exchanges (AREA)

Abstract

CIRCUITO REGULADOR DE CORRIENTE.DISPONE DE UN ELEMENTO DE PROTECCION CONTRA SOBRECARGAS CUYA SALIDA ESTA LOCALIZADA ENTRE LA REFERENCIA DE TENSION Y LA BASE DEL TRANSISTOR, Y QUE CONTROLA EN SU TERMINAL DE ENTRADA LA TENSION DE COLECTOR DEL TRANSISTOR, DE MODO QUE POR ENCIMA DE UNA TENSION DE COLECTOR MINIMA QUE AUN PERMITE EL PASO DE LA CORRIENTE CONSTANTE DESEADA, LA SALIDA, ESTA CONECTADA, Y POR DEBAJO DE DICHA TENSION, LA RESISTENCIA DE SALIDA DEL DISPOSITIVO DE PROTECCION CONTRA SOBRECARGAS AUMENTA.
ES528050A 1982-12-14 1983-12-14 Un circuito para regular la corriente Granted ES528050A0 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19823246144 DE3246144C2 (de) 1982-12-14 1982-12-14 Schaltungsanordnung zur Stromkonstanthaltung

Publications (2)

Publication Number Publication Date
ES8503143A1 true ES8503143A1 (es) 1984-12-16
ES528050A0 ES528050A0 (es) 1984-12-16

Family

ID=6180565

Family Applications (1)

Application Number Title Priority Date Filing Date
ES528050A Granted ES528050A0 (es) 1982-12-14 1983-12-14 Un circuito para regular la corriente

Country Status (2)

Country Link
DE (1) DE3246144C2 (es)
ES (1) ES528050A0 (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3428106A1 (de) * 1984-07-30 1986-02-06 Standard Elektrik Lorenz Ag, 7000 Stuttgart Teilnehmeranschlussschaltung
DE3617375A1 (de) * 1986-05-23 1987-11-26 Ant Nachrichtentech Fernspeiseeinrichtung
DE3826765A1 (de) * 1988-08-04 1990-02-08 Deutsche Telephonwerk Kabel Schaltungsanordnung zur speisung elektronischer komponenten in kommunikations-endgeraeten ueber die anschlussleitungen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1588766B2 (de) * 1967-09-19 1974-01-17 Siemens Ag, 1000 Berlin U. 8000 Muenchen Schaltungsanordnung zur Gleichspannungsregelung mit Strombegrenzung
DE2521984C2 (de) * 1975-05-16 1983-05-26 Standard Elektrik Lorenz Ag, 7000 Stuttgart Schaltungsanordnung zum Speisen eines Gleichstromverbrauchers in zentralgespeisten Fernmeldeanlagen

Also Published As

Publication number Publication date
ES528050A0 (es) 1984-12-16
DE3246144C2 (de) 1986-09-25
DE3246144A1 (de) 1984-06-14

Similar Documents

Publication Publication Date Title
US3989902A (en) Alternating current regulator for use with telephone type line
ES8503143A1 (es) Un circuito para regular la corriente
KR860007777A (ko) 증폭기 장치 및 푸시풀 증폭기
US3217237A (en) Voltage regulator employing a voltage divider havin gan intermediate point at a reference potential
US4495537A (en) Controlled current limiter
SE450070B (sv) Trepolig strommatningskrets for telefonapparat
EP0026541A1 (en) Voltage stabiliser suitable for a telephone set
US4633038A (en) Supply circuit for a variable load, particularly for a line circuit in telephone systems
KR860007776A (ko) 증폭기장치 및 푸시풀 증폭기
KR960006950B1 (ko) 라인 전압 안정기 회로 및 그것을 구비한 전화기
US3170043A (en) Telephone anti-sidetone circuit
GB1279533A (en) Direct current reduction network for amplification telephone sets
DK463383A (da) Kobling til foedning af en stroemforsyningsindretning, som leverer en konstant driftsspaending
GB955791A (en) Transistorised transmitter for polar signals
GB1113240A (en) Current regulator
GB1331768A (en) Automatic level control device for use in telecommunication systems
US3105933A (en) Transistor regulated direct current power supply
KR860009554A (ko) 디지탈투 아날로그 변환기용 비트조정 및 필터
ES404623A1 (es) Mejoras en los circuitos giradores de corriente limitada.
EP0026540A1 (en) Voltage stabiliser suitable for use in a telephone set
US3109982A (en) Transistor regulators
ES8500468A1 (es) Una disposicion de circuitos estabilizadora de corriente
GB1344136A (en) Voltage regulator circuits
JPS57124464A (en) Semiconductor integrated circuit device
US3345553A (en) Stabilized direct current supply circuit

Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19971001