JPS58186628U - surface acoustic wave comb filter - Google Patents

surface acoustic wave comb filter

Info

Publication number
JPS58186628U
JPS58186628U JP3522883U JP3522883U JPS58186628U JP S58186628 U JPS58186628 U JP S58186628U JP 3522883 U JP3522883 U JP 3522883U JP 3522883 U JP3522883 U JP 3522883U JP S58186628 U JPS58186628 U JP S58186628U
Authority
JP
Japan
Prior art keywords
acoustic wave
surface acoustic
comb filter
filter
output terminals
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.)
Granted
Application number
JP3522883U
Other languages
Japanese (ja)
Other versions
JPS618657Y2 (en
Inventor
敦 小林
Original Assignee
松下電器産業株式会社
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 松下電器産業株式会社 filed Critical 松下電器産業株式会社
Priority to JP3522883U priority Critical patent/JPS58186628U/en
Publication of JPS58186628U publication Critical patent/JPS58186628U/en
Application granted granted Critical
Publication of JPS618657Y2 publication Critical patent/JPS618657Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Surface Acoustic Wave Elements And Circuit Networks Thereof (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図は従来の弾性表面波くし形フィルタの構成図、第
２図はくし形フィルタの特性を示す図、第３図は本考案
の一実施例による弾拙表面波くし形フィルタの構造を示
す図である。 １１・・・・・・弾性表面波遅延媒体、１２，１３゜１
４．１５・・・・・・圧電トランスデユーサ、１６・・
・・・・減衰器。Fig. 1 is a block diagram of a conventional surface acoustic wave comb filter, Fig. 2 is a diagram showing the characteristics of the comb filter, and Fig. 3 is a diagram showing the structure of a crude surface acoustic wave comb filter according to an embodiment of the present invention. It is a diagram. 11...Surface acoustic wave delay medium, 12,13゜1
4.15...Piezoelectric transducer, 16...
...attenuator.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）少なくとも入力端子を共有する遅延時間の等しい
第１、第２の弾性表面波フィルタと、前記第１、第２の
弾性表面波フィルタの遅延時間とは異なる遅延時間を有
する第３の弾性表面波フィルタとを同−遅延媒体上に形
成し、前記第１、第２の弾性表面波フィルタの出力端子
と、前記、第３の弾性表面波フィルタの出力端子とを結
合して成る弾性表面波くし形フィルタ。(1) First and second surface acoustic wave filters that share at least an input terminal and have the same delay time, and a third surface acoustic wave filter that has a delay time different from that of the first and second surface acoustic wave filters. a surface acoustic wave filter formed on the same delay medium, and an elastic surface formed by coupling output terminals of the first and second surface acoustic wave filters and output terminals of the third surface acoustic wave filter. Wave comb filter. （２）第１、第２の弾性表面波フィルタの出力端子と、
第３の弾性表面波フィルタの出力端子とを、同−遅延媒
体上に形成した振幅・位相調整手段を介して結合して成
る請求の範囲第１項記載の弾性表面波くし形フィルタ。(2) output terminals of first and second surface acoustic wave filters;
2. The surface acoustic wave comb filter according to claim 1, wherein the surface acoustic wave comb filter is coupled to the output terminal of the third surface acoustic wave filter via amplitude/phase adjustment means formed on the same delay medium.
JP3522883U 1983-03-10 1983-03-10 surface acoustic wave comb filter Granted JPS58186628U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3522883U JPS58186628U (en) 1983-03-10 1983-03-10 surface acoustic wave comb filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3522883U JPS58186628U (en) 1983-03-10 1983-03-10 surface acoustic wave comb filter

Publications (2)

Publication Number Publication Date
JPS58186628U true JPS58186628U (en) 1983-12-12
JPS618657Y2 JPS618657Y2 (en) 1986-03-18

Family

ID=30046709

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3522883U Granted JPS58186628U (en) 1983-03-10 1983-03-10 surface acoustic wave comb filter

Country Status (1)

Country Link
JP (1) JPS58186628U (en)

Also Published As

Publication number Publication date
JPS618657Y2 (en) 1986-03-18

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