JPH0320534U - - Google Patents

Info

Publication number
JPH0320534U
JPH0320534U JP7999989U JP7999989U JPH0320534U JP H0320534 U JPH0320534 U JP H0320534U JP 7999989 U JP7999989 U JP 7999989U JP 7999989 U JP7999989 U JP 7999989U JP H0320534 U JPH0320534 U JP H0320534U
Authority
JP
Japan
Prior art keywords
surface wave
wave resonator
wave resonators
yarman
configuration
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
JP7999989U
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 JP7999989U priority Critical patent/JPH0320534U/ja
Publication of JPH0320534U publication Critical patent/JPH0320534U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)

Description

【図面の簡単な説明】
第1図は本考案に係るバンドパスフイルタを示
す平面図、第2図はその周波数特性を示すグラフ
、第3図は公知のヤーマン構成のフイルタを示す
回路図である。 1……圧電基板、2,3……表面波共振子、4
,5……インターデイジタルトランスデユーサー
電極、6,7,8,9……リフレクタ。

Claims (1)

    【実用新案登録請求の範囲】
  1. 表面波共振子が2つ用いられたヤーマン構成の
    フイルタであつて、一方の表面波共振子の共振周
    波数と他方の表面波共振子の反共振周波数がほぼ
    等しい状態で、両表面波共振子が一枚の圧電基板
    の上に形成されていることを特徴とするバンドパ
    スフイルタ。
JP7999989U 1989-07-06 1989-07-06 Pending JPH0320534U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7999989U JPH0320534U (ja) 1989-07-06 1989-07-06

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7999989U JPH0320534U (ja) 1989-07-06 1989-07-06

Publications (1)

Publication Number Publication Date
JPH0320534U true JPH0320534U (ja) 1991-02-28

Family

ID=31624667

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7999989U Pending JPH0320534U (ja) 1989-07-06 1989-07-06

Country Status (1)

Country Link
JP (1) JPH0320534U (ja)

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