JPS5432947A - Elastic surface wave filter - Google Patents

Elastic surface wave filter

Info

Publication number
JPS5432947A
JPS5432947A JP9966777A JP9966777A JPS5432947A JP S5432947 A JPS5432947 A JP S5432947A JP 9966777 A JP9966777 A JP 9966777A JP 9966777 A JP9966777 A JP 9966777A JP S5432947 A JPS5432947 A JP S5432947A
Authority
JP
Japan
Prior art keywords
surface wave
elastic surface
wave filter
ripple
going
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
JP9966777A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6141447B2 (enrdf_load_stackoverflow
Inventor
Katsuhide Tsukamoto
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP9966777A priority Critical patent/JPS5432947A/ja
Publication of JPS5432947A publication Critical patent/JPS5432947A/ja
Publication of JPS6141447B2 publication Critical patent/JPS6141447B2/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
    • H03H9/46—Filters
    • H03H9/64—Filters using surface acoustic waves
    • H03H9/6489—Compensation of undesirable effects
    • H03H9/6496—Reducing ripple in transfer characteristic
    • 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
    • H03H9/14547—Fan shaped; Tilted; Shifted; Slanted; Tapered; Arched; Stepped finger transducers
    • 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
    • H03H9/14594—Plan-rotated or plan-tilted transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
JP9966777A 1977-08-19 1977-08-19 Elastic surface wave filter Granted JPS5432947A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9966777A JPS5432947A (en) 1977-08-19 1977-08-19 Elastic surface wave filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9966777A JPS5432947A (en) 1977-08-19 1977-08-19 Elastic surface wave filter

Publications (2)

Publication Number Publication Date
JPS5432947A true JPS5432947A (en) 1979-03-10
JPS6141447B2 JPS6141447B2 (enrdf_load_stackoverflow) 1986-09-16

Family

ID=14253376

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9966777A Granted JPS5432947A (en) 1977-08-19 1977-08-19 Elastic surface wave filter

Country Status (1)

Country Link
JP (1) JPS5432947A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS6141447B2 (enrdf_load_stackoverflow) 1986-09-16

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