JPS51138362A - Grouped unidirectional elastic surface wave filter - Google Patents

Grouped unidirectional elastic surface wave filter

Info

Publication number
JPS51138362A
JPS51138362A JP6278275A JP6278275A JPS51138362A JP S51138362 A JPS51138362 A JP S51138362A JP 6278275 A JP6278275 A JP 6278275A JP 6278275 A JP6278275 A JP 6278275A JP S51138362 A JPS51138362 A JP S51138362A
Authority
JP
Japan
Prior art keywords
grouped
wave filter
surface wave
elastic surface
unidirectional elastic
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
JP6278275A
Other languages
Japanese (ja)
Inventor
Kimio Shibayama
Kazuhiko Yamanouchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP6278275A priority Critical patent/JPS51138362A/en
Publication of JPS51138362A publication Critical patent/JPS51138362A/en
Pending 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
    • H03H9/02—Details
    • H03H9/125—Driving means, e.g. electrodes, coils
    • H03H9/145—Driving means, e.g. electrodes, coils for networks using surface acoustic waves
    • H03H9/14502—Surface acoustic wave [SAW] transducers for a particular purpose
    • H03H9/14505—Unidirectional SAW transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)

Abstract

PURPOSE:To obtain a filter having optional frequency characteristics and with less insertion loss by arranging groups of electrodes with small Log N in the same transmission direction in such a way that the signals from each of the groups are applied together in the same phase.
JP6278275A 1975-05-26 1975-05-26 Grouped unidirectional elastic surface wave filter Pending JPS51138362A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6278275A JPS51138362A (en) 1975-05-26 1975-05-26 Grouped unidirectional elastic surface wave filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6278275A JPS51138362A (en) 1975-05-26 1975-05-26 Grouped unidirectional elastic surface wave filter

Publications (1)

Publication Number Publication Date
JPS51138362A true JPS51138362A (en) 1976-11-29

Family

ID=13210263

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6278275A Pending JPS51138362A (en) 1975-05-26 1975-05-26 Grouped unidirectional elastic surface wave filter

Country Status (1)

Country Link
JP (1) JPS51138362A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5448540U (en) * 1977-09-09 1979-04-04
JPS5478949A (en) * 1977-12-07 1979-06-23 Hitachi Ltd Electrode for surface acoustic wave element
JPS57184316A (en) * 1981-05-08 1982-11-13 Hitachi Ltd Surface acocustic wave device
JPS59125131U (en) * 1983-06-23 1984-08-23 日本電波工業株式会社 surface acoustic wave device
JPS63266911A (en) * 1986-06-25 1988-11-04 ザ　ゼネラル　エレクトリツク　カンパニ−，ピ−．エル．シ−． Surface acoustic wave filter

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5448540U (en) * 1977-09-09 1979-04-04
JPS6133713Y2 (en) * 1977-09-09 1986-10-02
JPS5478949A (en) * 1977-12-07 1979-06-23 Hitachi Ltd Electrode for surface acoustic wave element
JPS57184316A (en) * 1981-05-08 1982-11-13 Hitachi Ltd Surface acocustic wave device
JPH0335849B2 (en) * 1981-05-08 1991-05-29 Hitachi Ltd
JPS59125131U (en) * 1983-06-23 1984-08-23 日本電波工業株式会社 surface acoustic wave device
JPS63266911A (en) * 1986-06-25 1988-11-04 ザ　ゼネラル　エレクトリツク　カンパニ−，ピ−．エル．シ−． Surface acoustic wave filter

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