JPS5757049A - Light agc system - Google Patents
Light agc systemInfo
- Publication number
- JPS5757049A JPS5757049A JP55132165A JP13216580A JPS5757049A JP S5757049 A JPS5757049 A JP S5757049A JP 55132165 A JP55132165 A JP 55132165A JP 13216580 A JP13216580 A JP 13216580A JP S5757049 A JPS5757049 A JP S5757049A
- Authority
- JP
- Japan
- Prior art keywords
- photodetector
- amp4
- agc
- light
- converter
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/60—Receivers
- H04B10/66—Non-coherent receivers, e.g. using direct detection
- H04B10/69—Electrical arrangements in the receiver
- H04B10/693—Arrangements for optimizing the preamplifier in the receiver
- H04B10/6931—Automatic gain control of the preamplifier
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/60—Receivers
- H04B10/66—Non-coherent receivers, e.g. using direct detection
- H04B10/69—Electrical arrangements in the receiver
- H04B10/691—Arrangements for optimizing the photodetector in the receiver
- H04B10/6911—Photodiode bias control, e.g. for compensating temperature variations
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
- Light Receiving Elements (AREA)
- Control Of Amplification And Gain Control (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55132165A JPS5757049A (en) | 1980-09-22 | 1980-09-22 | Light agc system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55132165A JPS5757049A (en) | 1980-09-22 | 1980-09-22 | Light agc system |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5757049A true JPS5757049A (en) | 1982-04-06 |
JPH0145255B2 JPH0145255B2 (ja) | 1989-10-03 |
Family
ID=15074878
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP55132165A Granted JPS5757049A (en) | 1980-09-22 | 1980-09-22 | Light agc system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5757049A (ja) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5158850A (en) * | 1974-11-20 | 1976-05-22 | Hitachi Ltd | Hikaritsushinyo agc hoshiki |
JPS5390802A (en) * | 1977-01-21 | 1978-08-10 | Hitachi Ltd | Control system for light receiving system |
JPS5480095A (en) * | 1977-12-08 | 1979-06-26 | Fujitsu Ltd | Agc system for optical receiver |
JPS5531323A (en) * | 1978-08-29 | 1980-03-05 | Fujitsu Ltd | Automatic gain control system for optical communication reception system |
JPS5564452A (en) * | 1978-11-08 | 1980-05-15 | Fujitsu Ltd | Photo receiver circuit |
-
1980
- 1980-09-22 JP JP55132165A patent/JPS5757049A/ja active Granted
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5158850A (en) * | 1974-11-20 | 1976-05-22 | Hitachi Ltd | Hikaritsushinyo agc hoshiki |
JPS5390802A (en) * | 1977-01-21 | 1978-08-10 | Hitachi Ltd | Control system for light receiving system |
JPS5480095A (en) * | 1977-12-08 | 1979-06-26 | Fujitsu Ltd | Agc system for optical receiver |
JPS5531323A (en) * | 1978-08-29 | 1980-03-05 | Fujitsu Ltd | Automatic gain control system for optical communication reception system |
JPS5564452A (en) * | 1978-11-08 | 1980-05-15 | Fujitsu Ltd | Photo receiver circuit |
Also Published As
Publication number | Publication date |
---|---|
JPH0145255B2 (ja) | 1989-10-03 |
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