JPS6115856U - Electrical/optical conversion device - Google Patents

Electrical/optical conversion device

Info

Publication number
JPS6115856U
JPS6115856U JP1984100185U JP10018584U JPS6115856U JP S6115856 U JPS6115856 U JP S6115856U JP 1984100185 U JP1984100185 U JP 1984100185U JP 10018584 U JP10018584 U JP 10018584U JP S6115856 U JPS6115856 U JP S6115856U
Authority
JP
Japan
Prior art keywords
transistor
electrical
conversion device
optical conversion
base
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
JP1984100185U
Other languages
Japanese (ja)
Inventor
和男 長谷川
Original Assignee
アルプス電気株式会社
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 アルプス電気株式会社 filed Critical アルプス電気株式会社
Priority to JP1984100185U priority Critical patent/JPS6115856U/en
Publication of JPS6115856U publication Critical patent/JPS6115856U/en
Pending legal-status Critical Current

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  • Optical Communication System (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の一実施例構成を示す回路図、第２図お
よび第３図は電気・光変換装置の従来例における構成を
示す回路図である。 図中、１は入力端子、２は発光ダイオード、３は第１の
トランジスタ、４は第２のトランジスタ、５ないし１１
は抵抗、１２および１３はコンデンサを表す。FIG. 1 is a circuit diagram showing the configuration of an embodiment of the present invention, and FIGS. 2 and 3 are circuit diagrams showing the configuration of a conventional example of an electrical/optical conversion device. In the figure, 1 is an input terminal, 2 is a light emitting diode, 3 is a first transistor, 4 is a second transistor, 5 to 11
represents a resistor, and 12 and 13 represent a capacitor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] アナログ入力信号がベースに供給されかつエミツタが抵
抗を介して接地されたトランジスタと、該トランジスタ
のコレクタに接続された発光ダイオードとを少なくとも
そなえ、該発光ダイオードが上記アナログ入力信号に対
応して輝度変調された出力を発する電気・光変換装置に
おいて、上記トランジスタのベースと接地との間に接続
された帰還用トランジスタをそなえ、該帰還用１・ラン
ジスタのベースに上記トランジスタのエミツタ電圧の分
圧電圧が供給されていることを特徴とする電気・光変換
装置。It includes at least a transistor whose base is supplied with an analog input signal and whose emitter is grounded via a resistor, and a light emitting diode connected to the collector of the transistor, and the light emitting diode modulates the brightness in response to the analog input signal. The electrical-to-optical conversion device that emits an output is provided with a feedback transistor connected between the base of the transistor and ground, and a divided voltage of the emitter voltage of the transistor is applied to the base of the feedback transistor 1. An electrical/optical conversion device characterized by being supplied.
JP1984100185U 1984-07-03 1984-07-03 Electrical/optical conversion device Pending JPS6115856U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1984100185U JPS6115856U (en) 1984-07-03 1984-07-03 Electrical/optical conversion device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984100185U JPS6115856U (en) 1984-07-03 1984-07-03 Electrical/optical conversion device

Publications (1)

Publication Number Publication Date
JPS6115856U true JPS6115856U (en) 1986-01-29

Family

ID=30659652

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984100185U Pending JPS6115856U (en) 1984-07-03 1984-07-03 Electrical/optical conversion device

Country Status (1)

Country Link
JP (1) JPS6115856U (en)

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