JPH0459795B2 - - Google Patents

Info

Publication number
JPH0459795B2
JPH0459795B2 JP61210299A JP21029986A JPH0459795B2 JP H0459795 B2 JPH0459795 B2 JP H0459795B2 JP 61210299 A JP61210299 A JP 61210299A JP 21029986 A JP21029986 A JP 21029986A JP H0459795 B2 JPH0459795 B2 JP H0459795B2
Authority
JP
Japan
Prior art keywords
differential amplifier
gate
output
effect transistor
field effect
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 - Lifetime
Application number
JP61210299A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6365690A (ja
Inventor
Tetsuo Wada
Hiroshi Yako
Masanori Shimasue
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 JP21029986A priority Critical patent/JPS6365690A/ja
Publication of JPS6365690A publication Critical patent/JPS6365690A/ja
Publication of JPH0459795B2 publication Critical patent/JPH0459795B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/068—Stabilisation of laser output parameters
    • H01S5/06825—Protecting the laser, e.g. during switch-on/off, detection of malfunctioning or degradation

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Semiconductor Lasers (AREA)
JP21029986A 1986-09-05 1986-09-05 レ−ザダイオ−ド駆動回路 Granted JPS6365690A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21029986A JPS6365690A (ja) 1986-09-05 1986-09-05 レ−ザダイオ−ド駆動回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21029986A JPS6365690A (ja) 1986-09-05 1986-09-05 レ−ザダイオ−ド駆動回路

Publications (2)

Publication Number Publication Date
JPS6365690A JPS6365690A (ja) 1988-03-24
JPH0459795B2 true JPH0459795B2 (en]) 1992-09-24

Family

ID=16587099

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21029986A Granted JPS6365690A (ja) 1986-09-05 1986-09-05 レ−ザダイオ−ド駆動回路

Country Status (1)

Country Link
JP (1) JPS6365690A (en])

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0569964U (ja) * 1992-02-26 1993-09-21 旭光学工業株式会社 レーザダイオード発光装置の突入電流防止回路
US5802089A (en) * 1996-10-22 1998-09-01 Maxim Integrated Products, Inc. Laser diode driver having automatic power control with smooth enable function
CN100501827C (zh) 2003-03-15 2009-06-17 鸿富锦精密工业（深圳）有限公司 发光二极管驱动装置及其驱动方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5936985A (ja) * 1982-08-25 1984-02-29 Yokogawa Hokushin Electric Corp レ−ザダイオ−ドの駆動回路
JPS5994483A (ja) * 1982-11-19 1984-05-31 Fujitsu Ltd 半導体レ−ザ駆動回路

Also Published As

Publication number Publication date
JPS6365690A (ja) 1988-03-24

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