JPS63144722U - - Google Patents

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Publication number
JPS63144722U
JPS63144722U JP3805387U JP3805387U JPS63144722U JP S63144722 U JPS63144722 U JP S63144722U JP 3805387 U JP3805387 U JP 3805387U JP 3805387 U JP3805387 U JP 3805387U JP S63144722 U JPS63144722 U JP S63144722U
Authority
JP
Japan
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frequency
filter
low
cut
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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
JP3805387U
Other languages
English (en)
Other versions
JPH0514572Y2 (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 JP1987038053U priority Critical patent/JPH0514572Y2/ja
Publication of JPS63144722U publication Critical patent/JPS63144722U/ja
Application granted granted Critical
Publication of JPH0514572Y2 publication Critical patent/JPH0514572Y2/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図は第１図の具体例を示す回路図、第３図お
よび第４図は従来の周波数特性可変ローパスフイ
ルタ装置の一例を示す回路図、第５図および第６
図はアナログスイツチの説明図である。 １…ローパスフイルタ、２…バンドパスフイル
タ、３…スイツチ、Ｔｉｎ…入力端子、Ｔｏｕｔ
…出力端子。

Claims (1)

  1. 【実用新案登録請求の範囲】 周波数特性設定範囲の下限（上限）カツトオフ
    周波数を有するローパス（ハイパス）フイルタと
    、 このローパス（ハイパス）フイルタの下限（上
    限）カツトオフ周波数よりも低い（高い）周波数
    から任意のカツトオフ周波数までの通過帯域を有
    し、ローパス（ハイパス）フイルタと選択的に並
    列に接続される複数のバンドパスフイルタ、 とで構成されたことを特徴とする周波数特性可変
    フイルタ装置。
JP1987038053U 1987-03-16 1987-03-16 Expired - Lifetime JPH0514572Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987038053U JPH0514572Y2 (ja) 1987-03-16 1987-03-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987038053U JPH0514572Y2 (ja) 1987-03-16 1987-03-16

Publications (2)

Publication Number Publication Date
JPS63144722U true JPS63144722U (ja) 1988-09-22
JPH0514572Y2 JPH0514572Y2 (ja) 1993-04-19

Family

ID=30849936

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987038053U Expired - Lifetime JPH0514572Y2 (ja) 1987-03-16 1987-03-16

Country Status (1)

Country Link
JP (1) JPH0514572Y2 (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6055713A (ja) * 1983-09-07 1985-04-01 Hitachi Ltd フィルタ回路
JPS61126809A (ja) * 1984-11-22 1986-06-14 Hitachi Ltd フイルタ回路

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6055713A (ja) * 1983-09-07 1985-04-01 Hitachi Ltd フィルタ回路
JPS61126809A (ja) * 1984-11-22 1986-06-14 Hitachi Ltd フイルタ回路

Also Published As

Publication number Publication date
JPH0514572Y2 (ja) 1993-04-19

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