GB2225684B - Circuits for optical receivers - Google Patents

Circuits for optical receivers

Info

Publication number
GB2225684B
GB2225684B GB8923572A GB8923572A GB2225684B GB 2225684 B GB2225684 B GB 2225684B GB 8923572 A GB8923572 A GB 8923572A GB 8923572 A GB8923572 A GB 8923572A GB 2225684 B GB2225684 B GB 2225684B
Authority
GB
United Kingdom
Prior art keywords
circuits
optical receivers
receivers
optical
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 - Fee Related
Application number
GB8923572A
Other versions
GB8923572D0 (en
GB2225684A (en
Inventor
Steven Gary Methley
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.)
British Telecommunications PLC
Original Assignee
British Telecommunications PLC
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 British Telecommunications PLC filed Critical British Telecommunications PLC
Publication of GB8923572D0 publication Critical patent/GB8923572D0/en
Publication of GB2225684A publication Critical patent/GB2225684A/en
Application granted granted Critical
Publication of GB2225684B publication Critical patent/GB2225684B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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)
  • Amplifiers (AREA)
GB8923572A 1988-10-21 1989-10-19 Circuits for optical receivers Expired - Fee Related GB2225684B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888824680A GB8824680D0 (en) 1988-10-21 1988-10-21 Circuits for optical receivers

Publications (3)

Publication Number Publication Date
GB8923572D0 GB8923572D0 (en) 1989-12-06
GB2225684A GB2225684A (en) 1990-06-06
GB2225684B true GB2225684B (en) 1992-12-09

Family

ID=10645576

Family Applications (2)

Application Number Title Priority Date Filing Date
GB888824680A Pending GB8824680D0 (en) 1988-10-21 1988-10-21 Circuits for optical receivers
GB8923572A Expired - Fee Related GB2225684B (en) 1988-10-21 1989-10-19 Circuits for optical receivers

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB888824680A Pending GB8824680D0 (en) 1988-10-21 1988-10-21 Circuits for optical receivers

Country Status (1)

Country Link
GB (2) GB8824680D0 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1535824A (en) * 1976-02-11 1978-12-13 Standard Telephones Cables Ltd Avalanche photodetector biassing system
WO1985004997A1 (en) * 1984-04-26 1985-11-07 Bell Telephone Manufacturing Company, N.V. Optical receiver
US4652764A (en) * 1983-03-31 1987-03-24 Tokyo Shibaura Denki Kabushiki Kaisha Current source circuit with a photo coupler

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1535824A (en) * 1976-02-11 1978-12-13 Standard Telephones Cables Ltd Avalanche photodetector biassing system
US4652764A (en) * 1983-03-31 1987-03-24 Tokyo Shibaura Denki Kabushiki Kaisha Current source circuit with a photo coupler
WO1985004997A1 (en) * 1984-04-26 1985-11-07 Bell Telephone Manufacturing Company, N.V. Optical receiver

Also Published As

Publication number Publication date
GB8824680D0 (en) 1988-11-30
GB8923572D0 (en) 1989-12-06
GB2225684A (en) 1990-06-06

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19951019