JPH03109428U - - Google Patents

Info

Publication number
JPH03109428U
JPH03109428U JP1838690U JP1838690U JPH03109428U JP H03109428 U JPH03109428 U JP H03109428U JP 1838690 U JP1838690 U JP 1838690U JP 1838690 U JP1838690 U JP 1838690U JP H03109428 U JPH03109428 U JP H03109428U
Authority
JP
Japan
Prior art keywords
frequency
control voltage
input control
voltage
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
JP1838690U
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 JP1838690U priority Critical patent/JPH03109428U/ja
Publication of JPH03109428U publication Critical patent/JPH03109428U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Filters And Equalizers (AREA)
  • Networks Using Active Elements (AREA)

Description

【図面の簡単な説明】
第１図、第２図、第３図、第４図および第５図
は、それぞれ、この考案の周波数可変フイルタの
一例を示す接続図、第６図は、第５図の例におけ
る電圧同調フイルタの周波数特性を示す図、第７
図は、従来の周波数可変フイルタの一例を示す接
続図である。

Claims (1)

  1. 【実用新案登録請求の範囲】 入力信号が供給される、入力制御電圧に応じて
    同調周波数が変えられる電圧同調フイルタと、 上記入力信号の周波数を検出し、その検出出力
    電圧を上記電圧同調フイルタの入力制御電圧とす
    る周波数検出回路と、 を備える周波数可変フイルタ。
JP1838690U 1990-02-26 1990-02-26 Pending JPH03109428U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1838690U JPH03109428U (ja) 1990-02-26 1990-02-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1838690U JPH03109428U (ja) 1990-02-26 1990-02-26

Publications (1)

Publication Number Publication Date
JPH03109428U true JPH03109428U (ja) 1991-11-11

Family

ID=31521547

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1838690U Pending JPH03109428U (ja) 1990-02-26 1990-02-26

Country Status (1)

Country Link
JP (1) JPH03109428U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006082648A1 (ja) * 2005-02-04 2006-08-10 Fujitsu Limited クロックバッファ

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49124944A (ja) * 1973-04-02 1974-11-29
JPS6116611A (ja) * 1984-07-02 1986-01-24 Victor Co Of Japan Ltd 雑音低減回路

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49124944A (ja) * 1973-04-02 1974-11-29
JPS6116611A (ja) * 1984-07-02 1986-01-24 Victor Co Of Japan Ltd 雑音低減回路

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006082648A1 (ja) * 2005-02-04 2006-08-10 Fujitsu Limited クロックバッファ
JPWO2006082648A1 (ja) * 2005-02-04 2008-06-26 富士通株式会社 クロックバッファ
US7598780B2 (en) 2005-02-04 2009-10-06 Fujitsu Limited Clock buffer

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