ES2070977T3 - Dispositivo de mando automatico de ganancia para desmodulador que equipa un receptor para instalacion de transmision numerica de informaciones. - Google Patents
Dispositivo de mando automatico de ganancia para desmodulador que equipa un receptor para instalacion de transmision numerica de informaciones.Info
- Publication number
- ES2070977T3 ES2070977T3 ES90122516T ES90122516T ES2070977T3 ES 2070977 T3 ES2070977 T3 ES 2070977T3 ES 90122516 T ES90122516 T ES 90122516T ES 90122516 T ES90122516 T ES 90122516T ES 2070977 T3 ES2070977 T3 ES 2070977T3
- Authority
- ES
- Spain
- Prior art keywords
- receiver
- installation
- control device
- information transmission
- gain control
- 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
Links
- 230000005540 biological transmission Effects 0.000 title 1
- 238000009434 installation Methods 0.000 title 1
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
- H03G3/3089—Control of digital or coded signals
Landscapes
- Control Of Amplification And Gain Control (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
DISPOSITIVO DE CAG APTO PARA ESTAR COLOCADO A LA ENTRADA DEL DEMODULADOR DE UN RECEPTOR NUMERICO. SU BUCLE DE CAG (21) TIENE UNOS MEDIOS (9 A 14) PARA MUESTREAR EL OJO (Y) AL RITMO-BIT (H), Y PARA SUMAR CADA VEZ LOS VALORES ABSOLUTOS DE DOS MUESTRAS SUCESIVAS. UNOS MEDIOS (17, 19) ESTAN PREVISTOS PARA DETERMINAR ENTONCES EL VALOR ANALOGICO MEDIO (3A/2) DE LOS RESULTADOS ASI OBTENIDOS, Y PARA APLICAR EL VALOR OBTENIDO EN A ENTRADA DE MANDO (6) DE UN ATENUADOR REGULABLE (4) COLOCADO A LA ENTRADA DEL DEMODULADOR (1).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8915806A FR2655217B1 (fr) | 1989-11-30 | 1989-11-30 | Dispositif de commande automatique de gain pour demodulateur equipant un recepteur pour installation de transmission numerique d'informations. |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2070977T3 true ES2070977T3 (es) | 1995-06-16 |
Family
ID=9387983
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES90122516T Expired - Lifetime ES2070977T3 (es) | 1989-11-30 | 1990-11-26 | Dispositivo de mando automatico de ganancia para desmodulador que equipa un receptor para instalacion de transmision numerica de informaciones. |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0431435B1 (es) |
DE (1) | DE69017850T2 (es) |
ES (1) | ES2070977T3 (es) |
FR (1) | FR2655217B1 (es) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06244889A (ja) * | 1993-02-15 | 1994-09-02 | Fujitsu Ltd | モデム復調部用受信レベル調整回路 |
DE4327541A1 (de) * | 1993-08-16 | 1995-02-23 | Aeg Mobile Communication | Verfahren zur automatischen Verstärkungsregelung in einem Empfänger |
DE69524331T2 (de) * | 1994-09-13 | 2002-08-14 | Koninkl Philips Electronics Nv | Schaltung zur automatischen Verstärkungsregelung und Vorrichtung mit einer solchen Schaltung |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1121030B (it) * | 1979-09-18 | 1986-03-26 | Cselt Centro Studi Lab Telecom | Procedimento e circuito per il controllo automatico del guadagno in apparecchiature elettroniche |
JPS57138208A (en) * | 1981-02-20 | 1982-08-26 | Hitachi Ltd | Power detecting circuit and gain control circuit using it |
EP0213224B1 (en) * | 1985-08-28 | 1990-04-11 | International Business Machines Corporation | Method for rapid gain acquisition in a modem receiver |
-
1989
- 1989-11-30 FR FR8915806A patent/FR2655217B1/fr not_active Expired - Lifetime
-
1990
- 1990-11-26 EP EP19900122516 patent/EP0431435B1/fr not_active Expired - Lifetime
- 1990-11-26 DE DE1990617850 patent/DE69017850T2/de not_active Expired - Fee Related
- 1990-11-26 ES ES90122516T patent/ES2070977T3/es not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2655217B1 (fr) | 1992-02-07 |
EP0431435A1 (fr) | 1991-06-12 |
DE69017850D1 (de) | 1995-04-20 |
FR2655217A1 (fr) | 1991-05-31 |
DE69017850T2 (de) | 1995-07-06 |
EP0431435B1 (fr) | 1995-03-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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