JPH0480075U - - Google Patents

Info

Publication number
JPH0480075U
JPH0480075U JP12561290U JP12561290U JPH0480075U JP H0480075 U JPH0480075 U JP H0480075U JP 12561290 U JP12561290 U JP 12561290U JP 12561290 U JP12561290 U JP 12561290U JP H0480075 U JPH0480075 U JP H0480075U
Authority
JP
Japan
Prior art keywords
led
driving
semiconductor device
temperature fluctuation
adjusted
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
JP12561290U
Other languages
English (en)
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 filed Critical
Priority to JP12561290U priority Critical patent/JPH0480075U/ja
Publication of JPH0480075U publication Critical patent/JPH0480075U/ja
Pending legal-status Critical Current

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  • Optical Communication System (AREA)

Description

【図面の簡単な説明】
第１図はこの考案の一実施例であるＬＥＤ駆動
用半導体装置の回路図、第２図は従来のＬＥＤ駆
動用半導体装置のブロツク図、第３図はＬＥＤ駆
動電流の温度変動特性曲線図、第４図はＬＥＤ駆
動電流を一定とした時の発光強度の温度変動特性
曲線図である。 図において、２はＬＥＤ駆動装置、３はバンド
ギヤツプ回路、４はＬＥＤを示す。尚、図中、同
一符号は同一、又は相当部分を示す。

Claims (1)

    【実用新案登録請求の範囲】
  1. 光通信におけるＬＥＤ駆動用半導体装置におい
    て、ＬＥＤ駆動電流の温度変動勾配をバンドギヤ
    ツプ回路により調整するようにしたことを特徴と
    するＬＥＤ駆動用半導体装置。
JP12561290U 1990-11-27 1990-11-27 Pending JPH0480075U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12561290U JPH0480075U (ja) 1990-11-27 1990-11-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12561290U JPH0480075U (ja) 1990-11-27 1990-11-27

Publications (1)

Publication Number Publication Date
JPH0480075U true JPH0480075U (ja) 1992-07-13

Family

ID=31873204

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12561290U Pending JPH0480075U (ja) 1990-11-27 1990-11-27

Country Status (1)

Country Link
JP (1) JPH0480075U (ja)

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