FR2408943A1 - Dispositif de controle automatique du gain d'une voie de reception, utilise notamment dans des systemes comportant des liaisons optiques - Google Patents
Dispositif de controle automatique du gain d'une voie de reception, utilise notamment dans des systemes comportant des liaisons optiquesInfo
- Publication number
- FR2408943A1 FR2408943A1 FR7734240A FR7734240A FR2408943A1 FR 2408943 A1 FR2408943 A1 FR 2408943A1 FR 7734240 A FR7734240 A FR 7734240A FR 7734240 A FR7734240 A FR 7734240A FR 2408943 A1 FR2408943 A1 FR 2408943A1
- Authority
- FR
- France
- Prior art keywords
- gain
- reception channel
- automatic control
- optical links
- control device
- 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
Links
- 230000003287 optical effect Effects 0.000 title abstract 4
- 230000002238 attenuated effect Effects 0.000 abstract 1
- 238000012544 monitoring process Methods 0.000 abstract 1
- 230000005693 optoelectronics Effects 0.000 abstract 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
- H03G3/3084—Automatic control in amplifiers having semiconductor devices in receivers or transmitters for electromagnetic waves other than radiowaves, e.g. lightwaves
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/005—Control by a pilot signal
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optical Communication System (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
DISPOSITIF DE CONTROLE AUTOMATIQUE DU GAIN D'UNE VOIE DE RECEPTION DANS UN SYSTEME COMPORTANT DES LIAISONS OPTIQUES A TRES LARGE BANDE PASSANTE. LE SIGNAL UTILE DE NIVEAU INCONNU EST TRANSMIS AVEC UN SIGNAL PILOTE DE NIVEAU CONNU A TRAVERS UNE LIAISON OPTIQUE OU IL SUBIT UNE ATTENUATION, VERS UN ENSEMBLE DE RECEPTION CONNECTE AU TRANSDUCTEUR OPTO-ELECTRONIQUE DE SORTIE DE LA VOIE OPTIQUE. UN DISPOSITIF DE CONTROLE DU GAIN DE LA VOIE DE RECEPTION COMMANDE PAR LE SIGNAL PILOTE COMMANDE EN NUMERIQUE UN CIRCUIT D'ATTENUATION QUI DELIVRE ENSUITE LE SIGNAL UTILE RETABLI A SON NIVEAU INITIAL. APPLICATION AU DOMAINE DE L'ELECTRONIQUE RAPIDE.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7734240A FR2408943A1 (fr) | 1977-11-15 | 1977-11-15 | Dispositif de controle automatique du gain d'une voie de reception, utilise notamment dans des systemes comportant des liaisons optiques |
DE19782849343 DE2849343A1 (de) | 1977-11-15 | 1978-11-14 | Schaltung zur automatischen regelung des verstaerkungsfaktors eines empfangskanals |
CH1170678A CH629632A5 (fr) | 1977-11-15 | 1978-11-14 | Dispositif de controle automatique du gain d'une voie de reception d'une installation de transmission comportant des liaisons optiques. |
US05/960,779 US4271503A (en) | 1977-11-15 | 1978-11-15 | Automatic control device for a receiver using a pilot |
JP14092278A JPS5485602A (en) | 1977-11-15 | 1978-11-15 | Receiver gain automatic controller for optical coupling system |
GB7844590A GB2011745B (en) | 1977-11-15 | 1978-11-15 | Automatic gain control device in a system comprising optical connections |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7734240A FR2408943A1 (fr) | 1977-11-15 | 1977-11-15 | Dispositif de controle automatique du gain d'une voie de reception, utilise notamment dans des systemes comportant des liaisons optiques |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2408943A1 true FR2408943A1 (fr) | 1979-06-08 |
FR2408943B1 FR2408943B1 (fr) | 1981-04-10 |
Family
ID=9197598
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7734240A Granted FR2408943A1 (fr) | 1977-11-15 | 1977-11-15 | Dispositif de controle automatique du gain d'une voie de reception, utilise notamment dans des systemes comportant des liaisons optiques |
Country Status (6)
Country | Link |
---|---|
US (1) | US4271503A (fr) |
JP (1) | JPS5485602A (fr) |
CH (1) | CH629632A5 (fr) |
DE (1) | DE2849343A1 (fr) |
FR (1) | FR2408943A1 (fr) |
GB (1) | GB2011745B (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2621753A1 (fr) * | 1987-10-13 | 1989-04-14 | Thomson Csf | Dispositif de commande automatique de gain et recepteur comportant un tel dispositif |
WO1995023454A1 (fr) * | 1994-02-25 | 1995-08-31 | Thomson-Csf | Procede et dispositif de controle automatique de gain de circuits de reception |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3203828A1 (de) * | 1982-02-04 | 1983-08-11 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur reduzierung der pegeldynamik in einem optischen uebertragungssystems |
US4876741A (en) * | 1982-02-11 | 1989-10-24 | General Signal Corporation | Method of receiving a compressed composite signal |
JPS59115633A (ja) * | 1982-12-22 | 1984-07-04 | Toshiba Corp | 情報伝送方式 |
JPS60210039A (ja) * | 1984-04-04 | 1985-10-22 | Hitachi Ltd | 光信号伝送装置 |
JPH0771011B2 (ja) * | 1989-04-20 | 1995-07-31 | 日本電気株式会社 | 無線通信装置 |
US6031648A (en) * | 1997-05-01 | 2000-02-29 | At&T Corp. | Automatic gain control for free-space optical telecommunications links |
DE10063999B4 (de) * | 2000-12-21 | 2010-06-24 | Rohde & Schwarz Gmbh & Co. Kg | Mikrowellen-Dämpfungsglied |
EP1227577B1 (fr) * | 2001-01-23 | 2006-10-18 | Telefonaktiebolaget LM Ericsson (publ) | Procédé et dispositif de compensation des effets d'intermodulation |
US20040070450A1 (en) * | 2001-01-23 | 2004-04-15 | Bo Lindell | Method and apparatus for compensation of cross modulation effects |
KR100940604B1 (ko) * | 2007-12-17 | 2010-02-05 | 한국전자통신연구원 | 양방향 통신 시스템에서 버스트 신호의 이득 제어 장치 및그 방법 |
KR100925271B1 (ko) * | 2007-12-18 | 2009-11-05 | 한국전자통신연구원 | 양방향 이동이 가능한 음영지역에서의 버스트 이득 제어장치 및 그 방법 |
CN108027426B (zh) * | 2015-09-30 | 2021-08-27 | 天宝公司 | 具有改善的动态范围的大地测量仪 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4015118A (en) * | 1974-06-05 | 1977-03-29 | Aga Aktiebolag | Controlling the amplification in a radiation detecting avalanche diode |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB665951A (en) * | 1949-10-21 | 1952-02-06 | Standard Telephones Cables Ltd | Improvements in or relating to automatic gain control arrangements for carrier current communication systems |
US2965717A (en) * | 1955-07-18 | 1960-12-20 | Cons Electrodynamics Corp | Pilot signal control apparatus |
US3328716A (en) * | 1963-09-03 | 1967-06-27 | Automatic Elect Lab | Gain regulation circuit utilizing electrochemical memory means in variolosser control circuit |
DE1252265C2 (de) * | 1964-09-16 | 1973-07-19 | Fernmeldesystem mit pilotgesteuerter pegelregelung | |
DE2151794C3 (de) * | 1971-10-18 | 1975-04-24 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Anordnung zur Unterdrückung von Regelschwingungen bei einem Trägerfrequenzsystem |
FR2287811A1 (fr) * | 1974-10-08 | 1976-05-07 | Cit Alcatel | Regulateur de niveau de type numerique |
US4016557A (en) * | 1975-05-08 | 1977-04-05 | Westinghouse Electric Corporation | Automatic gain controlled amplifier apparatus |
JPS5210625A (en) * | 1975-07-15 | 1977-01-27 | Hitachi Ltd | Conversation type data communication terminal device |
JPS5249754A (en) * | 1975-10-20 | 1977-04-21 | Fujitsu Ltd | Automatic gain control circuit |
US4070572A (en) * | 1976-12-27 | 1978-01-24 | General Electric Company | Linear signal isolator and calibration circuit for electronic current transformer |
-
1977
- 1977-11-15 FR FR7734240A patent/FR2408943A1/fr active Granted
-
1978
- 1978-11-14 CH CH1170678A patent/CH629632A5/fr not_active IP Right Cessation
- 1978-11-14 DE DE19782849343 patent/DE2849343A1/de not_active Ceased
- 1978-11-15 JP JP14092278A patent/JPS5485602A/ja active Pending
- 1978-11-15 US US05/960,779 patent/US4271503A/en not_active Expired - Lifetime
- 1978-11-15 GB GB7844590A patent/GB2011745B/en not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4015118A (en) * | 1974-06-05 | 1977-03-29 | Aga Aktiebolag | Controlling the amplification in a radiation detecting avalanche diode |
Non-Patent Citations (1)
Title |
---|
ELECTRONICS, volume 44. no. 18, 30 août 1971, NEW YORK, M.F. FARLEY: 'Digital approach provide precise, programable AGC', PAGES 52 - 56 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2621753A1 (fr) * | 1987-10-13 | 1989-04-14 | Thomson Csf | Dispositif de commande automatique de gain et recepteur comportant un tel dispositif |
WO1995023454A1 (fr) * | 1994-02-25 | 1995-08-31 | Thomson-Csf | Procede et dispositif de controle automatique de gain de circuits de reception |
FR2716766A1 (fr) * | 1994-02-25 | 1995-09-01 | Thomson Csf | Procédé et dispositif de contrôle automatique de gain de circuits de réception. |
Also Published As
Publication number | Publication date |
---|---|
DE2849343A1 (de) | 1979-06-13 |
JPS5485602A (en) | 1979-07-07 |
US4271503A (en) | 1981-06-02 |
FR2408943B1 (fr) | 1981-04-10 |
GB2011745B (en) | 1982-03-24 |
CH629632A5 (fr) | 1982-04-30 |
GB2011745A (en) | 1979-07-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |