JPS5619765B2 - - Google Patents

Info

Publication number
JPS5619765B2
JPS5619765B2 JP9518475A JP9518475A JPS5619765B2 JP S5619765 B2 JPS5619765 B2 JP S5619765B2 JP 9518475 A JP9518475 A JP 9518475A JP 9518475 A JP9518475 A JP 9518475A JP S5619765 B2 JPS5619765 B2 JP S5619765B2
Authority
JP
Japan
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.)
Expired
Application number
JP9518475A
Other versions
JPS5219044A (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 JP9518475A priority Critical patent/JPS5219044A/ja
Publication of JPS5219044A publication Critical patent/JPS5219044A/ja
Publication of JPS5619765B2 publication Critical patent/JPS5619765B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/64—Filters using surface acoustic waves
    • H03H9/6423—Means for obtaining a particular transfer characteristic
    • H03H9/6433—Coupled resonator filters
    • H03H9/6436—Coupled resonator filters having one acoustic track only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/64—Filters using surface acoustic waves
    • H03H9/6423—Means for obtaining a particular transfer characteristic
    • H03H9/6433—Coupled resonator filters
    • H03H9/6483—Ladder SAW filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/64—Filters using surface acoustic waves
    • H03H9/6489—Compensation of undesirable effects

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
JP9518475A 1975-08-04 1975-08-04 Surface acoustic wave filter Granted JPS5219044A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9518475A JPS5219044A (en) 1975-08-04 1975-08-04 Surface acoustic wave filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9518475A JPS5219044A (en) 1975-08-04 1975-08-04 Surface acoustic wave filter

Publications (2)

Publication Number Publication Date
JPS5219044A JPS5219044A (en) 1977-01-14
JPS5619765B2 true JPS5619765B2 (ja) 1981-05-09

Family

ID=14130655

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9518475A Granted JPS5219044A (en) 1975-08-04 1975-08-04 Surface acoustic wave filter

Country Status (1)

Country Link
JP (1) JPS5219044A (ja)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2800905B2 (ja) * 1991-10-28 1998-09-21 富士通株式会社 弾性表面波フィルタ
USRE40036E1 (en) 1991-10-28 2008-01-29 Fujitsu Limited Surface acoustic wave filter
JP3226333B2 (ja) * 1992-06-29 2001-11-05 富士通株式会社 弾性表面波素子
JP3189508B2 (ja) * 1993-07-08 2001-07-16 株式会社村田製作所 弾性表面波フィルタ
GB2280807B (en) * 1993-08-04 1997-10-22 Advanced Saw Prod Sa Saw filter
EP0652637B1 (en) * 1993-11-05 1998-08-12 Matsushita Electric Industrial Co., Ltd. Surface acoustic wave filter
JP3375712B2 (ja) * 1994-01-12 2003-02-10 松下電器産業株式会社 弾性表面波フィルタ
JP3424971B2 (ja) * 1994-01-20 2003-07-07 松下電器産業株式会社 弾性表面波フィルタ
US5847626A (en) * 1994-02-22 1998-12-08 Matsushita Electric Industrial Co., Ltd. Balanced-type surface acoustic wave lattice filter
JPH07297675A (ja) * 1994-04-26 1995-11-10 Fujitsu Ltd 弾性表面波共振器
JP3244386B2 (ja) * 1994-08-23 2002-01-07 松下電器産業株式会社 弾性表面波装置
WO1996015587A1 (fr) * 1994-11-10 1996-05-23 Fujitsu Limited Filtre a ondes acoustiques
JPH09205342A (ja) * 1996-01-26 1997-08-05 Matsushita Electric Ind Co Ltd 弾性表面波フィルタ
JP3739858B2 (ja) * 1996-06-14 2006-01-25 松下電器産業株式会社 高周波フィルタ
US6107899A (en) * 1996-10-21 2000-08-22 Matsushita Electric Industrial Co., Ltd. Surface acoustic wave filter with grounds not connected in the package or on the piezoelectric substrate
JP3228223B2 (ja) * 1998-05-26 2001-11-12 株式会社村田製作所 弾性表面波フィルタ
JP2004158970A (ja) 2002-11-05 2004-06-03 Ube Ind Ltd 薄膜圧電共振器を用いた帯域フィルタ

Also Published As

Publication number Publication date
JPS5219044A (en) 1977-01-14

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