JPS5379586A - Photo detector bias circuit - Google Patents

Photo detector bias circuit

Info

Publication number
JPS5379586A
JPS5379586A JP15528676A JP15528676A JPS5379586A JP S5379586 A JPS5379586 A JP S5379586A JP 15528676 A JP15528676 A JP 15528676A JP 15528676 A JP15528676 A JP 15528676A JP S5379586 A JPS5379586 A JP S5379586A
Authority
JP
Japan
Prior art keywords
photo detector
bias circuit
detector bias
bias voltage
circuit
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
Application number
JP15528676A
Other languages
Japanese (ja)
Inventor
Yasuo Nagai
Yasuhiro Tanaka
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 JP15528676A priority Critical patent/JPS5379586A/en
Publication of JPS5379586A publication Critical patent/JPS5379586A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • H03F3/45479—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)

Abstract

PURPOSE:To obtain a circuit which applies a bias voltage removed of noises to a photo detector with a simple constitution by applying the differential output of two sets of differential amplifiers as a bias voltage.
JP15528676A 1976-12-23 1976-12-23 Photo detector bias circuit Pending JPS5379586A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15528676A JPS5379586A (en) 1976-12-23 1976-12-23 Photo detector bias circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15528676A JPS5379586A (en) 1976-12-23 1976-12-23 Photo detector bias circuit

Publications (1)

Publication Number Publication Date
JPS5379586A true JPS5379586A (en) 1978-07-14

Family

ID=15602570

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15528676A Pending JPS5379586A (en) 1976-12-23 1976-12-23 Photo detector bias circuit

Country Status (1)

Country Link
JP (1) JPS5379586A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0480182A2 (en) * 1990-10-09 1992-04-15 International Business Machines Corporation Noise cancelling circuitry for optical systems

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0480182A2 (en) * 1990-10-09 1992-04-15 International Business Machines Corporation Noise cancelling circuitry for optical systems
EP0480182A3 (en) * 1990-10-09 1992-05-20 International Business Machines Corporation Noise cancelling circuitry for optical systems

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