JPS6285072U - - Google Patents

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Publication number
JPS6285072U
JPS6285072U JP17502085U JP17502085U JPS6285072U JP S6285072 U JPS6285072 U JP S6285072U JP 17502085 U JP17502085 U JP 17502085U JP 17502085 U JP17502085 U JP 17502085U JP S6285072 U JPS6285072 U JP S6285072U
Authority
JP
Japan
Prior art keywords
section
group signal
circuit
branch
coupling section
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.)
Granted
Application number
JP17502085U
Other languages
English (en)
Other versions
JPH0735499Y2 (ja
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 JP1985175020U priority Critical patent/JPH0735499Y2/ja
Publication of JPS6285072U publication Critical patent/JPS6285072U/ja
Application granted granted Critical
Publication of JPH0735499Y2 publication Critical patent/JPH0735499Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Description

【図面の簡単な説明】
第1図は本考案の一実施例を示すブロツク図、
第2図はCATVシステムの幹線図、第3図は従
来の一例のブロツク図である。 1,7……幹線入出力端子、2,5,15……
高群低群分波器、3……制御信号検出器、4……
高群信号増幅器、6……高群信号分岐増幅器、8
……低群信号増幅器、9……スイツチ駆動回路、
10,11……スイツチ回路、12……フイルタ
回路、13……低群全帯域通過回路、134……
低群信号結合増幅器、16……分配器、17〜2
0……分岐入出力端子、21……スイツチ回路、
100……中央局、200……双方向中継増幅器
、SH……高群信号、SL……低群信号。

Claims (1)

    【実用新案登録請求の範囲】
  1. 高群信号増幅部と、低群信号増幅部と、分岐結
    合部と、この分岐結合部に接続する分岐入出力端
    子とを有するCATV双方向中継増幅器において
    、前記分岐結合部の上り方向に低群帯域全体を通
    過させる回路と、特定専用帯域のみを通過させる
    フイルタ回路と、これらの両回路いずれかに切り
    替えるスイツチ回路とそのスイツチ駆動回路とを
    有することを特徴とするCATV双方向中継増幅
    器。
JP1985175020U 1985-11-15 1985-11-15 Catv双方向中継増幅器 Expired - Lifetime JPH0735499Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985175020U JPH0735499Y2 (ja) 1985-11-15 1985-11-15 Catv双方向中継増幅器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985175020U JPH0735499Y2 (ja) 1985-11-15 1985-11-15 Catv双方向中継増幅器

Publications (2)

Publication Number Publication Date
JPS6285072U true JPS6285072U (ja) 1987-05-30
JPH0735499Y2 JPH0735499Y2 (ja) 1995-08-09

Family

ID=31113954

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985175020U Expired - Lifetime JPH0735499Y2 (ja) 1985-11-15 1985-11-15 Catv双方向中継増幅器

Country Status (1)

Country Link
JP (1) JPH0735499Y2 (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5295115A (en) * 1976-02-06 1977-08-10 Matsushita Electric Ind Co Ltd Ascending circuit connecting method in two-ways catv system
JPS59161782U (ja) * 1983-04-14 1984-10-30 株式会社東芝 Catv双方向伝送装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5295115A (en) * 1976-02-06 1977-08-10 Matsushita Electric Ind Co Ltd Ascending circuit connecting method in two-ways catv system
JPS59161782U (ja) * 1983-04-14 1984-10-30 株式会社東芝 Catv双方向伝送装置

Also Published As

Publication number Publication date
JPH0735499Y2 (ja) 1995-08-09

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