JPH0247077U - - Google Patents

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Publication number
JPH0247077U
JPH0247077U JP12570788U JP12570788U JPH0247077U JP H0247077 U JPH0247077 U JP H0247077U JP 12570788 U JP12570788 U JP 12570788U JP 12570788 U JP12570788 U JP 12570788U JP H0247077 U JPH0247077 U JP H0247077U
Authority
JP
Japan
Prior art keywords
control circuit
current
darlington
temperature control
conversion element
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
JP12570788U
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 JP12570788U priority Critical patent/JPH0247077U/ja
Publication of JPH0247077U publication Critical patent/JPH0247077U/ja
Pending legal-status Critical Current

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  • Optical Communication System (AREA)

Description

【図面の簡単な説明】
図は、本考案の一実施例に係る温度制御回路の
構成図である。 1……半導体レーザ、2……電流熱変換素子、
3……感熱素子、4,6……加熱側電流駆動用ト
ランジスタ、5,7……冷却側電流駆動用トラン
ジスタ、8……加熱側電流制限用抵抗器、9……
冷却側電流制限用抵抗器、10……差動増幅器、
11……分圧用抵抗器。

Claims (1)

    【実用新案登録請求の範囲】
  1. 感熱素子と、電流熱変換素子と、該電流熱変換
    素子駆動用のダーリントン接続された2段以上の
    トランジスタと、該トランジスタ制御回路より成
    る温度制御回路において、該ダーリントン接続さ
    れたトランジスタの初段のトランジスタのコレク
    タ端子と電源との間に電流制限用の抵抗器を付加
    した事を特徴とする温度制御回路。
JP12570788U 1988-09-28 1988-09-28 Pending JPH0247077U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12570788U JPH0247077U (ja) 1988-09-28 1988-09-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12570788U JPH0247077U (ja) 1988-09-28 1988-09-28

Publications (1)

Publication Number Publication Date
JPH0247077U true JPH0247077U (ja) 1990-03-30

Family

ID=31376550

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12570788U Pending JPH0247077U (ja) 1988-09-28 1988-09-28

Country Status (1)

Country Link
JP (1) JPH0247077U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001033680A1 (fr) * 1999-11-01 2001-05-10 The Furukawa Electric Co., Ltd. Module laser a semi-conducteurs et son procede de commande

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001033680A1 (fr) * 1999-11-01 2001-05-10 The Furukawa Electric Co., Ltd. Module laser a semi-conducteurs et son procede de commande

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