JPH0113779B2 - - Google Patents

Info

Publication number
JPH0113779B2
JPH0113779B2 JP57190418A JP19041882A JPH0113779B2 JP H0113779 B2 JPH0113779 B2 JP H0113779B2 JP 57190418 A JP57190418 A JP 57190418A JP 19041882 A JP19041882 A JP 19041882A JP H0113779 B2 JPH0113779 B2 JP H0113779B2
Authority
JP
Japan
Prior art keywords
region
voltage
level
gain
optical digital
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
Application number
JP57190418A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5980032A (ja
Inventor
Kazuo Yamane
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP57190418A priority Critical patent/JPS5980032A/ja
Publication of JPS5980032A publication Critical patent/JPS5980032A/ja
Publication of JPH0113779B2 publication Critical patent/JPH0113779B2/ja
Granted legal-status Critical Current

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)
  • Dc Digital Transmission (AREA)
  • Optical Communication System (AREA)
JP57190418A 1982-10-29 1982-10-29 識別器の識別レベル設定方式 Granted JPS5980032A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57190418A JPS5980032A (ja) 1982-10-29 1982-10-29 識別器の識別レベル設定方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57190418A JPS5980032A (ja) 1982-10-29 1982-10-29 識別器の識別レベル設定方式

Publications (2)

Publication Number Publication Date
JPS5980032A JPS5980032A (ja) 1984-05-09
JPH0113779B2 true JPH0113779B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1989-03-08

Family

ID=16257801

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57190418A Granted JPS5980032A (ja) 1982-10-29 1982-10-29 識別器の識別レベル設定方式

Country Status (1)

Country Link
JP (1) JPS5980032A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62150941A (ja) * 1985-12-24 1987-07-04 Matsushita Electric Ind Co Ltd 光受信器のａｇｃ制御回路
GB2209899B (en) * 1987-09-16 1991-10-09 Totoku Electric Optical communication apparatus and method

Also Published As

Publication number Publication date
JPS5980032A (ja) 1984-05-09

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