JPS6232649U - - Google Patents

Info

Publication number
JPS6232649U
JPS6232649U JP12402985U JP12402985U JPS6232649U JP S6232649 U JPS6232649 U JP S6232649U JP 12402985 U JP12402985 U JP 12402985U JP 12402985 U JP12402985 U JP 12402985U JP S6232649 U JPS6232649 U JP S6232649U
Authority
JP
Japan
Prior art keywords
transmission line
amplitude
light emitting
emitting diode
frequencies
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
JP12402985U
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 JP12402985U priority Critical patent/JPS6232649U/ja
Publication of JPS6232649U publication Critical patent/JPS6232649U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Description

【図面の簡単な説明】
第２図は従来のモデムの振幅等化器を設けた伝
送路例、第１図はこの考案の振幅等化設定回路の
一実施例である。 １：受信入力端子、２：受信トランス、３：増
幅器、４：振幅等化特性選択端子、５：振幅等化
器、６：遅延等化器、７：帯域通過フイルタ、８
：ＡＧＣ回路、９：低域側帯域通過フイルタ、１
０：高域側帯域通過フイルタ、１１：検波器、１
２：検波器、１３：比較器、１４：発光ダイオー
ド。

Claims (1)

    【実用新案登録請求の範囲】
  1. 減衰ひずみを補正するための振幅等化器を設け
    た伝送路において、この伝送路の出力信号中から
    高域と低域の２つの周波数を抽出する手段と、前
    記２周波のレベルを検出する手段と、前記２つの
    レベルを比較する手段と、発光ダイオードとで伝
    送路の周波数特性検出回路を構成し、前記発光ダ
    イオードの点滅によつて前記振幅等化器の振幅等
    化特性選択端子を設定できるようにしたことを特
    徴とする振幅等化設定回路。
JP12402985U 1985-08-14 1985-08-14 Pending JPS6232649U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12402985U JPS6232649U (ja) 1985-08-14 1985-08-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12402985U JPS6232649U (ja) 1985-08-14 1985-08-14

Publications (1)

Publication Number Publication Date
JPS6232649U true JPS6232649U (ja) 1987-02-26

Family

ID=31015671

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12402985U Pending JPS6232649U (ja) 1985-08-14 1985-08-14

Country Status (1)

Country Link
JP (1) JPS6232649U (ja)

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