ES2097969T3 - Circuito generador de tension de referencia. - Google Patents

Circuito generador de tension de referencia.

Info

Publication number
ES2097969T3
ES2097969T3 ES93202634T ES93202634T ES2097969T3 ES 2097969 T3 ES2097969 T3 ES 2097969T3 ES 93202634 T ES93202634 T ES 93202634T ES 93202634 T ES93202634 T ES 93202634T ES 2097969 T3 ES2097969 T3 ES 2097969T3
Authority
ES
Spain
Prior art keywords
voltage
resistance
reference voltage
resistor
auxiliary
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 - Lifetime
Application number
ES93202634T
Other languages
English (en)
Inventor
Filip Marcel Louagie
Didier Rene Haspeslagh
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 Bell NV
Original Assignee
Alcatel Bell NV
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 Bell NV filed Critical Alcatel Bell NV
Application granted granted Critical
Publication of ES2097969T3 publication Critical patent/ES2097969T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current 
    • G05F1/46—Regulating voltage or current  wherein the variable actually regulated by the final control device is DC
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/22—Modifications for ensuring a predetermined initial state when the supply voltage has been applied
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/28—Modifications for introducing a time delay before switching
    • H03K17/284—Modifications for introducing a time delay before switching in field effect transistor switches

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Electronic Switches (AREA)
  • Control Of Eletrric Generators (AREA)

Abstract

UN CIRCUITO GENERADOR DE VOLTAJE DE REFERENCIA SE ALIMENTA DE UNA FUENTE DE ALIMENTACION DE TENSION (VSS) QUE PROPORCIONA A TRAVES DE UN PRIMER Y SEGUNDO POLOS (VS1, TIERRA) UNA TENSION DE ALIMENTACION (VS1) QUE AUMENTA EN UN VALOR SUSTANCIALMENTE CONSTANTE (VS1S). INCLUYE ENTRE LOS POLOS (VS1, TIERRA): LA CONEXION EN SERIE DE UNA PRIMERA RESISTENCIA (R1) Y DE UNA SEGUNDA RESISTENCIA (R2) DERIVADAS POR UNA CAPACITANCIA (C) A TRAVES DE LA QUE SE GENERA EL VOLTAJE DE REFERENCIA (VR1); Y LA CONEXION EN SERIE DE UNA TERCERA RESISTENCIA (R3) Y DE UNA CUARTA RESISTENCIA (R4) A TRAVES DE LAS CUALES SE DESARROLLA UN VOLTAJE AUXILIAR (VR2), LA RELACION DE LOS VALORES DE LA PRIMERA RESISTENCIA (R1) Y LA SEGUNDA RESISTENCIA (R2) ES IGUAL A LA RELACION ENTRE LOS VALORES DE LA TERCERA RESISTENCIA (R3) Y LA CUARTA RESISTENCIA (R4). SE CONECTA UN CONMUTADOR (S1) EN PARALELO CON LA PRIMERA RESISTENCIA (R1), Y UN COMPARADOR (COMP1) COMPARA LOS VOLTAJES DE REFERENCIA (VR1) Y VOLTAJE AUXILIAR (VR2) Y CONTROLAEL CONMUTADOR (S1) PARA QUE CORTOCIRCUITE LA PRIMERA RESISTENCIA (R1) CUANDO EL VOLTAJE DE REFERENCIA (VR1) SE VUELVE MENOR QUE EL VOLTAJE AUXILIAR (VR2). ASI, EL VOLTAJE DE REFERENCIA (VR1) ALCANZA MAS DEPRISA A EL VOLTAJE AUXILIAR.
ES93202634T 1993-09-10 1993-09-10 Circuito generador de tension de referencia. Expired - Lifetime ES2097969T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19930202634 EP0643486B1 (en) 1993-09-10 1993-09-10 Reference voltage generating circuit

Publications (1)

Publication Number Publication Date
ES2097969T3 true ES2097969T3 (es) 1997-04-16

Family

ID=8214087

Family Applications (1)

Application Number Title Priority Date Filing Date
ES93202634T Expired - Lifetime ES2097969T3 (es) 1993-09-10 1993-09-10 Circuito generador de tension de referencia.

Country Status (3)

Country Link
EP (1) EP0643486B1 (es)
DE (1) DE69306571T2 (es)
ES (1) ES2097969T3 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10057439A1 (de) * 2000-11-20 2002-05-23 Nokia Mobile Phones Ltd Spannungsregler für eine gepulste Last, insbesondere für einen Mobiltelefon- oder Telematik-Sender

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58206230A (ja) * 1982-05-27 1983-12-01 Mitsubishi Electric Corp 電源投入時リセツトパルス発生回路
JPS59198024A (ja) * 1983-04-25 1984-11-09 Mitsubishi Electric Corp 信号発生回路
EP0396812A1 (de) * 1989-05-12 1990-11-14 Siemens Aktiengesellschaft Schwellwertschalter

Also Published As

Publication number Publication date
DE69306571D1 (de) 1997-01-23
EP0643486A1 (en) 1995-03-15
EP0643486B1 (en) 1996-12-11
DE69306571T2 (de) 1997-06-12

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