JPS6331615U - - Google Patents

Info

Publication number
JPS6331615U
JPS6331615U JP1986124592U JP12459286U JPS6331615U JP S6331615 U JPS6331615 U JP S6331615U JP 1986124592 U JP1986124592 U JP 1986124592U JP 12459286 U JP12459286 U JP 12459286U JP S6331615 U JPS6331615 U JP S6331615U
Authority
JP
Japan
Prior art keywords
circuit
agc
pilot signal
pilot
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
JP1986124592U
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 JP1986124592U priority Critical patent/JPS6331615U/ja
Publication of JPS6331615U publication Critical patent/JPS6331615U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Amplification And Gain Control (AREA)
  • Optical Communication System (AREA)

Description

【図面の簡単な説明】
第1図は本考案によるパイロツトAGC回路の
一実施例を示すブロツク図、第2図は従来のパイ
ロツトAGC回路の一例を示すブロツク図である
。 1……光電気変換素子、2……前置増幅器、3
……利得可変増幅回路、4……パイロツト波器
、5……整流回路、6,7……増幅回路、8……
バイアス電圧発生回路、9……遅延回路、10…
…メモリ回路、11……制御回路、12……無定
位AGC部。

Claims (1)

    【実用新案登録請求の範囲】
  1. 光受信系の利得制御にパイロツト信号を使用す
    るAGC回路において、前記AGC回路の光電気
    変換素子を駆動するループの一部に遅延回路とメ
    モリ回路を挿入し、光信号待機時に前記光電気変
    換素子のバイアス電圧をパイロツト信号消失直前
    に固定する無定位AGC部を備えてなることを特
    徴とするパイロツトAGC回路。
JP1986124592U 1986-08-15 1986-08-15 Pending JPS6331615U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986124592U JPS6331615U (ja) 1986-08-15 1986-08-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986124592U JPS6331615U (ja) 1986-08-15 1986-08-15

Publications (1)

Publication Number Publication Date
JPS6331615U true JPS6331615U (ja) 1988-03-01

Family

ID=31016750

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986124592U Pending JPS6331615U (ja) 1986-08-15 1986-08-15

Country Status (1)

Country Link
JP (1) JPS6331615U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0445415U (ja) * 1990-08-24 1992-04-17

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0445415U (ja) * 1990-08-24 1992-04-17

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