JPS593648U - Carrier detection circuit for optical receiver - Google Patents

Carrier detection circuit for optical receiver

Info

Publication number
JPS593648U
JPS593648U JP1982097041U JP9704182U JPS593648U JP S593648 U JPS593648 U JP S593648U JP 1982097041 U JP1982097041 U JP 1982097041U JP 9704182 U JP9704182 U JP 9704182U JP S593648 U JPS593648 U JP S593648U
Authority
JP
Japan
Prior art keywords
carrier detection
optical receiver
detection circuit
carrier
agc
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
JP1982097041U
Other languages
Japanese (ja)
Inventor
瀬上　広一
北山　忠義
Original Assignee
三菱電機株式会社
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 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP1982097041U priority Critical patent/JPS593648U/en
Publication of JPS593648U publication Critical patent/JPS593648U/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図は従来の光受信器用キャリア検出温度補償回路構
成図、第２図は温度をパラメータとした先入カビベルと
ＡＧＣ電圧の関係を示す概略図、第３図はこの考案の一
実施例による光受信器用キャリア検出温度補償回路の回
路構成図である。Fig. 1 is a diagram showing the configuration of a conventional carrier detection temperature compensation circuit for an optical receiver, Fig. 2 is a schematic diagram showing the relationship between pre-introduced cabibel and AGC voltage using temperature as a parameter, and Fig. 3 is an optical diagram according to an embodiment of this invention. FIG. 2 is a circuit configuration diagram of a carrier detection temperature compensation circuit for a receiver.

Claims (1)

【実用新案登録請求の範囲】 受光素子としてＡＰＤ　（Ａｖａｌａｎｃｈｅ　　Ｐｈ
ｏｔ。 Ｄｉｏｄｅ）を用い、出力振幅を所定の誤差範囲内で一
定に保つためのＡＧＣ（Ａｕｔｏｍａｔｉｃ　　Ｇａ１
ｎ　　Ｃｏｎｔｒｏｌ）機能を持つ光受信器のキャリア
検出回路において、温度により抵抗値が線形に変化する
リニアサーミスタと抵抗とで構成されたキャリア検出参
照電圧回路を用いることにより温度変化に対しても一定
の先入力レベルでキャリア検出を行うこと□　ができる
ようにしたことを特徴とする光受信器用キャリア検出回
路。[Claims for Utility Model Registration] APD (Avalanche Ph
ot. AGC (Automatic Ga1 Diode) is used to keep the output amplitude constant within a predetermined error range.
In the carrier detection circuit of an optical receiver having a control function, a carrier detection reference voltage circuit consisting of a linear thermistor and a resistor whose resistance value changes linearly depending on temperature is used. A carrier detection circuit for an optical receiver, characterized in that carrier detection can be performed at a prior input level.
JP1982097041U 1982-06-28 1982-06-28 Carrier detection circuit for optical receiver Pending JPS593648U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1982097041U JPS593648U (en) 1982-06-28 1982-06-28 Carrier detection circuit for optical receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1982097041U JPS593648U (en) 1982-06-28 1982-06-28 Carrier detection circuit for optical receiver

Publications (1)

Publication Number Publication Date
JPS593648U true JPS593648U (en) 1984-01-11

Family

ID=30231000

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1982097041U Pending JPS593648U (en) 1982-06-28 1982-06-28 Carrier detection circuit for optical receiver

Country Status (1)

Country Link
JP (1) JPS593648U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60180159U (en) * 1984-05-07 1985-11-29 日本電気株式会社 information transmission device
JPS63117609U (en) * 1987-01-26 1988-07-29

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60180159U (en) * 1984-05-07 1985-11-29 日本電気株式会社 information transmission device
JPS63117609U (en) * 1987-01-26 1988-07-29

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