JPS51149745A - Ceramic hilter - Google Patents

Ceramic hilter

Info

Publication number
JPS51149745A
JPS51149745A JP5693575A JP5693575A JPS51149745A JP S51149745 A JPS51149745 A JP S51149745A JP 5693575 A JP5693575 A JP 5693575A JP 5693575 A JP5693575 A JP 5693575A JP S51149745 A JPS51149745 A JP S51149745A
Authority
JP
Japan
Prior art keywords
ceramic
hilter
terminal
input
increase
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
JP5693575A
Other languages
Japanese (ja)
Inventor
Koji Arakawa
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.)
Toko Inc
Original Assignee
Toko Inc
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 Toko Inc filed Critical Toko Inc
Priority to JP5693575A priority Critical patent/JPS51149745A/en
Priority to US05/681,486 priority patent/US4045753A/en
Priority to DE2620288A priority patent/DE2620288C2/en
Publication of JPS51149745A publication Critical patent/JPS51149745A/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 elements; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/58—Multiple crystal filters
    • H03H9/581—Multiple crystal filters comprising ceramic piezoelectric layers
    • 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
    • H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/542—Filters comprising resonators of piezoelectric or electrostrictive material including passive elements

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)

Abstract

PURPOSE:To increase the input and output impedances of a ceramic filter formed by connecting a plural number of three-terminal, dual mode ceramic filters.
JP5693575A 1975-05-09 1975-05-13 Ceramic hilter Pending JPS51149745A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP5693575A JPS51149745A (en) 1975-05-13 1975-05-13 Ceramic hilter
US05/681,486 US4045753A (en) 1975-05-09 1976-04-29 Ceramic filter
DE2620288A DE2620288C2 (en) 1975-05-09 1976-05-07 Ceramic filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5693575A JPS51149745A (en) 1975-05-13 1975-05-13 Ceramic hilter

Publications (1)

Publication Number Publication Date
JPS51149745A true JPS51149745A (en) 1976-12-22

Family

ID=13041367

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5693575A Pending JPS51149745A (en) 1975-05-09 1975-05-13 Ceramic hilter

Country Status (1)

Country Link
JP (1) JPS51149745A (en)

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