JPS5438741A - Elastic surface wave element - Google Patents

Elastic surface wave element

Info

Publication number
JPS5438741A
JPS5438741A JP10495377A JP10495377A JPS5438741A JP S5438741 A JPS5438741 A JP S5438741A JP 10495377 A JP10495377 A JP 10495377A JP 10495377 A JP10495377 A JP 10495377A JP S5438741 A JPS5438741 A JP S5438741A
Authority
JP
Japan
Prior art keywords
surface wave
elastic surface
wave element
tte
loss
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
JP10495377A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6216048B2 (enrdf_load_stackoverflow
Inventor
Kentaro Hanma
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP10495377A priority Critical patent/JPS5438741A/ja
Publication of JPS5438741A publication Critical patent/JPS5438741A/ja
Publication of JPS6216048B2 publication Critical patent/JPS6216048B2/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 elements; 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
    • H03H9/14544—Transducers of particular shape or position
    • H03H9/14552—Transducers of particular shape or position comprising split fingers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02818—Means for compensation or elimination of undesirable effects
    • H03H9/02842—Means for compensation or elimination of undesirable effects of reflections
    • H03H9/0285—Means for compensation or elimination of undesirable effects of reflections of triple transit echo
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02637—Details concerning reflective or coupling arrays

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
JP10495377A 1977-09-02 1977-09-02 Elastic surface wave element Granted JPS5438741A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10495377A JPS5438741A (en) 1977-09-02 1977-09-02 Elastic surface wave element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10495377A JPS5438741A (en) 1977-09-02 1977-09-02 Elastic surface wave element

Publications (2)

Publication Number Publication Date
JPS5438741A true JPS5438741A (en) 1979-03-23
JPS6216048B2 JPS6216048B2 (enrdf_load_stackoverflow) 1987-04-10

Family

ID=14394450

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10495377A Granted JPS5438741A (en) 1977-09-02 1977-09-02 Elastic surface wave element

Country Status (1)

Country Link
JP (1) JPS5438741A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5521565A (en) * 1988-09-28 1996-05-28 Siemens Aktiengesellschaft Surface wave interdigital transducer and surface wave filter with symmetric or predeterminable asymmetric transfer characteristic between input and output

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5521565A (en) * 1988-09-28 1996-05-28 Siemens Aktiengesellschaft Surface wave interdigital transducer and surface wave filter with symmetric or predeterminable asymmetric transfer characteristic between input and output

Also Published As

Publication number Publication date
JPS6216048B2 (enrdf_load_stackoverflow) 1987-04-10

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