JPS6120178B2 - - Google Patents

Info

Publication number
JPS6120178B2
JPS6120178B2 JP55177093A JP17709380A JPS6120178B2 JP S6120178 B2 JPS6120178 B2 JP S6120178B2 JP 55177093 A JP55177093 A JP 55177093A JP 17709380 A JP17709380 A JP 17709380A JP S6120178 B2 JPS6120178 B2 JP S6120178B2
Authority
JP
Japan
Prior art keywords
agc
bias control
apd
circuit
temperature compensation
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
JP55177093A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57101443A (en
Inventor
Koichi Oota
Susumu Hanaoka
Akihiko Ichikawa
Toshuki Sakai
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 JP55177093A priority Critical patent/JPS57101443A/ja
Publication of JPS57101443A publication Critical patent/JPS57101443A/ja
Publication of JPS6120178B2 publication Critical patent/JPS6120178B2/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
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
    • H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Control Of Voltage And Current In General (AREA)
  • Control Of Amplification And Gain Control (AREA)
JP55177093A 1980-12-17 1980-12-17 Bias controlling circuit Granted JPS57101443A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55177093A JPS57101443A (en) 1980-12-17 1980-12-17 Bias controlling circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55177093A JPS57101443A (en) 1980-12-17 1980-12-17 Bias controlling circuit

Publications (2)

Publication Number Publication Date
JPS57101443A JPS57101443A (en) 1982-06-24
JPS6120178B2 true JPS6120178B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1986-05-21

Family

ID=16025002

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55177093A Granted JPS57101443A (en) 1980-12-17 1980-12-17 Bias controlling circuit

Country Status (1)

Country Link
JP (1) JPS57101443A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0381066U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1989-12-11 1991-08-20

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60111540A (ja) * 1983-11-21 1985-06-18 Nec Corp Ａｐｄの温度補償回路

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0381066U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1989-12-11 1991-08-20

Also Published As

Publication number Publication date
JPS57101443A (en) 1982-06-24

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