JPH0348922U - - Google Patents

Info

Publication number
JPH0348922U
JPH0348922U JP11068989U JP11068989U JPH0348922U JP H0348922 U JPH0348922 U JP H0348922U JP 11068989 U JP11068989 U JP 11068989U JP 11068989 U JP11068989 U JP 11068989U JP H0348922 U JPH0348922 U JP H0348922U
Authority
JP
Japan
Prior art keywords
resonator
circuit
varies
applied voltage
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
JP11068989U
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 JP11068989U priority Critical patent/JPH0348922U/ja
Publication of JPH0348922U publication Critical patent/JPH0348922U/ja
Pending legal-status Critical Current

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  • 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の等価回路図、第2
図は本考案の他の実施例の等価回路図、第3図は
本考案の他の実施例の等価回路図、第4図は本考
案のさらに他の実施例の等価回路図、第5図は従
来例の等価回路図、第6図は従来例の等価回路図
である。 1……共振器、2……増幅帰還回路、5,5a
……移相回路、VD1,VD2,VD3……可変
容量ダイオード。

Claims (1)

  1. 【実用新案登録請求の範囲】 共振器と、該共振器の損失を補償する増幅帰還
    回路と、印加電圧に応じて前記共振器の共振周波
    数を可変する可変容量ダイオードとを備えてなり
    、高周波帯で使用されるアクテイブフイルタ回路
    において、 前記増幅帰還回路には、印加電圧に応じて位相
    を可変する移相回路が設けられることを特徴とす
    るアクテイブフイルタ回路。
JP11068989U 1989-09-20 1989-09-20 Pending JPH0348922U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11068989U JPH0348922U (ja) 1989-09-20 1989-09-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11068989U JPH0348922U (ja) 1989-09-20 1989-09-20

Publications (1)

Publication Number Publication Date
JPH0348922U true JPH0348922U (ja) 1991-05-13

Family

ID=43243128

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11068989U Pending JPH0348922U (ja) 1989-09-20 1989-09-20

Country Status (1)

Country Link
JP (1) JPH0348922U (ja)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4918416A (ja) * 1972-06-12 1974-02-18
JPS639203A (ja) * 1986-06-30 1988-01-14 Toshiba Corp マイクロ波発振器
JPS639303A (ja) * 1986-06-30 1988-01-16 Murata Mfg Co Ltd マイクロ波フイルタ及びこれを用いた送受信機
JPS63110801A (ja) * 1986-10-28 1988-05-16 Murata Mfg Co Ltd アクテイブフイルタ

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4918416A (ja) * 1972-06-12 1974-02-18
JPS639203A (ja) * 1986-06-30 1988-01-14 Toshiba Corp マイクロ波発振器
JPS639303A (ja) * 1986-06-30 1988-01-16 Murata Mfg Co Ltd マイクロ波フイルタ及びこれを用いた送受信機
JPS63110801A (ja) * 1986-10-28 1988-05-16 Murata Mfg Co Ltd アクテイブフイルタ

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