JPS58101526U - variable band filter - Google Patents

variable band filter

Info

Publication number
JPS58101526U
JPS58101526U JP19411181U JP19411181U JPS58101526U JP S58101526 U JPS58101526 U JP S58101526U JP 19411181 U JP19411181 U JP 19411181U JP 19411181 U JP19411181 U JP 19411181U JP S58101526 U JPS58101526 U JP S58101526U
Authority
JP
Japan
Prior art keywords
band filter
variable band
capacitors
coils
turned
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
JP19411181U
Other languages
Japanese (ja)
Inventor
岸　眞
Original Assignee
三菱電機株式会社
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 by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP19411181U priority Critical patent/JPS58101526U/en
Publication of JPS58101526U publication Critical patent/JPS58101526U/en
Pending legal-status Critical Current

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  • Filters And Equalizers (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来のフィルタについて説明するための図、第
２図はこの考案による帯域可変フィルタを示す図であり
、図中、１ａ〜１ｎ＜よ帯域固定のフィルタ、２は切換
スイッチ、３は入力信号、４は出力信号、５ａ〜５ｎは
ディジタル制御信号、６ａ〜６ｎはスイッチ、７ａ〜７
ｎはスイッチ駆動回路、８ａ〜８ｎはコンデンサ、９ａ
〜９ｎはコイル、１０は帯域可変フィルタである。FIG. 1 is a diagram for explaining a conventional filter, and FIG. 2 is a diagram showing a variable band filter according to this invention. Input signals, 4 output signals, 5a to 5n digital control signals, 6a to 6n switches, 7a to 7
n is a switch drive circuit, 8a to 8n are capacitors, 9a
9n is a coil, and 10 is a variable band filter.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 一つ又は容量の異る複数のコンデンサと、一つ又はイン
ダクタンスの異る複数のコイルと、複数のコンデンサお
よびコイルにそれぞれ接続されたスイッチとを備え、上
記複数のコンデンサおよびコイルを上記スイッチをＯＮ
、ＯＦＦさせる選択信号によって選択してコンデンサと
コイルの組合せを任意に行い得るように構成した帯域可
変フィルタ。It is equipped with one or a plurality of capacitors with different capacities, one or a plurality of coils with different inductances, and a switch connected to each of the plurality of capacitors and coils, and the plurality of capacitors and coils are turned on by turning on the switch.
, a variable band filter configured such that a combination of a capacitor and a coil can be arbitrarily selected by selecting a selection signal to be turned off.
JP19411181U 1981-12-28 1981-12-28 variable band filter Pending JPS58101526U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19411181U JPS58101526U (en) 1981-12-28 1981-12-28 variable band filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19411181U JPS58101526U (en) 1981-12-28 1981-12-28 variable band filter

Publications (1)

Publication Number Publication Date
JPS58101526U true JPS58101526U (en) 1983-07-11

Family

ID=30107442

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19411181U Pending JPS58101526U (en) 1981-12-28 1981-12-28 variable band filter

Country Status (1)

Country Link
JP (1) JPS58101526U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6471263A (en) * 1987-09-11 1989-03-16 Fujitsu Ltd Carrier detection system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6471263A (en) * 1987-09-11 1989-03-16 Fujitsu Ltd Carrier detection system

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