JPS6368221U - - Google Patents

Info

Publication number
JPS6368221U
JPS6368221U JP16089086U JP16089086U JPS6368221U JP S6368221 U JPS6368221 U JP S6368221U JP 16089086 U JP16089086 U JP 16089086U JP 16089086 U JP16089086 U JP 16089086U JP S6368221 U JPS6368221 U JP S6368221U
Authority
JP
Japan
Prior art keywords
bias current
low
emitter follower
follower transistor
active filter
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
JP16089086U
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 JP16089086U priority Critical patent/JPS6368221U/ja
Publication of JPS6368221U publication Critical patent/JPS6368221U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Networks Using Active Elements (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例に係る低域通過アク
テイブフイルタの回路構成図、第2図は上記実施
例の小信号等価回路図、第3図は本考案の他の実
施例を示す回路構成図、第4図は第3図に示した
フイルタの周波数特性図、第5図は従来のアクテ
イブフイルタの構成図である。 1……エミツタホロアトランジスタ、4……バ
イアス電流源、I……バイアス電流。

Claims (1)

    【実用新案登録請求の範囲】
  1. エミツタホロアトランジスタをバツフアアンプ
    として有する低域通過アクテイブフイルタにおい
    て、前記エミツタホロアトランジスタのバイアス
    電流を可変とする手段を具備し、前記バイアス電
    流を変化させることによりフイルタの周波数特性
    を調整可能としたことを特徴とする低域通過アク
    テイブフイルタ。
JP16089086U 1986-10-22 1986-10-22 Pending JPS6368221U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16089086U JPS6368221U (ja) 1986-10-22 1986-10-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16089086U JPS6368221U (ja) 1986-10-22 1986-10-22

Publications (1)

Publication Number Publication Date
JPS6368221U true JPS6368221U (ja) 1988-05-09

Family

ID=31086697

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16089086U Pending JPS6368221U (ja) 1986-10-22 1986-10-22

Country Status (1)

Country Link
JP (1) JPS6368221U (ja)

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