JPH0317526U - - Google Patents

Info

Publication number
JPH0317526U
JPH0317526U JP1989077825U JP7782589U JPH0317526U JP H0317526 U JPH0317526 U JP H0317526U JP 1989077825 U JP1989077825 U JP 1989077825U JP 7782589 U JP7782589 U JP 7782589U JP H0317526 U JPH0317526 U JP H0317526U
Authority
JP
Japan
Prior art keywords
feedback amplifier
optical signal
light receiving
receiving circuit
photodiode
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
JP1989077825U
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 JP1989077825U priority Critical patent/JPH0317526U/ja
Publication of JPH0317526U publication Critical patent/JPH0317526U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Optical Communication System (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)

Description

【図面の簡単な説明】
第1図はこの考案の一実施例による受光回路の
あ構成図、第2図aは光パワー測定信号出力を表
す図、同図bは音声信号出力波形図、第3図、第
4図はこの考案の他の実施例による受光回路の構
成図、第5図、第7図は従来の受光回路の構成図
、第6図aは光信号の変調波形図、同図bは従来
回路の問題点を説明するための音声信号出力波形
図である。 図において、1……光源、2……音声信号fo
、3……光ケーブル、D……フオトダイオード、
……第1演算増幅器、M……第2演算増幅
器。

Claims (1)

    【実用新案登録請求の範囲】
  1. 変調された光信号を入力するフオトダイオード
    のアノードとカソードの各々を、光信号検出用の
    帰還増幅器と光変調信号を復調する帰還増幅器の
    各仮想接地点に接続したことを特徴とする受光回
    路。
JP1989077825U 1989-06-30 1989-06-30 Pending JPH0317526U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989077825U JPH0317526U (ja) 1989-06-30 1989-06-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989077825U JPH0317526U (ja) 1989-06-30 1989-06-30

Publications (1)

Publication Number Publication Date
JPH0317526U true JPH0317526U (ja) 1991-02-21

Family

ID=31620561

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989077825U Pending JPH0317526U (ja) 1989-06-30 1989-06-30

Country Status (1)

Country Link
JP (1) JPH0317526U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011163480A (ja) * 2010-02-11 2011-08-25 Takigen Mfg Co Ltd 掛金装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011163480A (ja) * 2010-02-11 2011-08-25 Takigen Mfg Co Ltd 掛金装置

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