JPS57168538A - Light detecting circuit - Google Patents
Light detecting circuitInfo
- Publication number
- JPS57168538A JPS57168538A JP56054131A JP5413181A JPS57168538A JP S57168538 A JPS57168538 A JP S57168538A JP 56054131 A JP56054131 A JP 56054131A JP 5413181 A JP5413181 A JP 5413181A JP S57168538 A JPS57168538 A JP S57168538A
- Authority
- JP
- Japan
- Prior art keywords
- amplification factor
- amplifier
- light
- incident light
- fold
- 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.)
- Pending
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
- H04B10/6933—Offset control of the differential preamplifier
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Optical Communication System (AREA)
- Analogue/Digital Conversion (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56054131A JPS57168538A (en) | 1981-04-09 | 1981-04-09 | Light detecting circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56054131A JPS57168538A (en) | 1981-04-09 | 1981-04-09 | Light detecting circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57168538A true JPS57168538A (en) | 1982-10-16 |
Family
ID=12962025
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56054131A Pending JPS57168538A (en) | 1981-04-09 | 1981-04-09 | Light detecting circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57168538A (ja) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52119162A (en) * | 1976-03-31 | 1977-10-06 | Toshiba Corp | Analog to digital convertor |
JPS538045A (en) * | 1976-06-30 | 1978-01-25 | Fujitsu Ltd | Automatic range selecting type a-d converter |
-
1981
- 1981-04-09 JP JP56054131A patent/JPS57168538A/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52119162A (en) * | 1976-03-31 | 1977-10-06 | Toshiba Corp | Analog to digital convertor |
JPS538045A (en) * | 1976-06-30 | 1978-01-25 | Fujitsu Ltd | Automatic range selecting type a-d converter |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS57111421A (en) | Measuring device of multielement sensor | |
JPS577508A (en) | Distance detector | |
JPS5466190A (en) | Two luminous flux spectrophotometer | |
EP1206131A4 (en) | SEMICONDUCTOR IMAGING DEVICE AND TELEMETRY DEVICE | |
AU5626490A (en) | Optical receivers | |
JPS57168538A (en) | Light detecting circuit | |
EP1083676A4 (en) | OPTICAL AMPLIFIER | |
JPS54148551A (en) | Photo detecting system | |
EP0026108A3 (en) | Apparatus, circuit and method for compensating the dark current of photoelectric transducers | |
JPS5437403A (en) | Automatic gain control method for light receiving circuit | |
JPS5629216A (en) | Instantaneous photodetecting circuit | |
JPS57202179A (en) | Automatic focusing device | |
JPS5454632A (en) | Photometric circuit of photographing apparatus | |
JPS64450A (en) | Hemolysis detector | |
JPS57116467A (en) | Original detector | |
JPS57190434A (en) | Photodetecting circuit | |
JPS5765050A (en) | Measuring system for signal-to-noisde ratio | |
JPS5361299A (en) | Photoelectric smoke detector | |
JPS5524682A (en) | Optical signal detector | |
JPS56138226A (en) | Gain automatic control system photometer | |
JPS56155810A (en) | Detector | |
JPS643842A (en) | Magneto-optical disk device | |
JPS5711550A (en) | Negative feedback amplifier for optical reception | |
JPS5775042A (en) | Optical communication system | |
JPS5434857A (en) | Photoelectric detector circuit |