JPH04284015A - ラダー型フィルタ - Google Patents

ラダー型フィルタ

Info

Publication number
JPH04284015A
JPH04284015A JP4825191A JP4825191A JPH04284015A JP H04284015 A JPH04284015 A JP H04284015A JP 4825191 A JP4825191 A JP 4825191A JP 4825191 A JP4825191 A JP 4825191A JP H04284015 A JPH04284015 A JP H04284015A
Authority
JP
Japan
Prior art keywords
resonator
ladder
tuning fork
resonators
type filter
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
JP4825191A
Other languages
English (en)
Japanese (ja)
Inventor
Jiro Inoue
二郎 井上
Hiroaki Kaida
弘明 開田
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.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing 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 Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Priority to JP4825191A priority Critical patent/JPH04284015A/ja
Priority to DE19924290741 priority patent/DE4290741T1/de
Priority to US07/941,081 priority patent/US5394123A/en
Priority to PCT/JP1992/000300 priority patent/WO1992016997A1/ja
Priority to DE4290741A priority patent/DE4290741C2/de
Publication of JPH04284015A publication Critical patent/JPH04284015A/ja
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
    • H03H9/02—Details
    • H03H9/05—Holders or supports
    • H03H9/10—Mounting in enclosures
    • H03H9/1007—Mounting in enclosures for bulk acoustic wave [BAW] devices
    • H03H9/1035—Mounting in enclosures for bulk acoustic wave [BAW] devices the enclosure being defined by two sealing substrates sandwiching the piezoelectric layer of the BAW device
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
    • H03H9/21—Crystal tuning forks
    • 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
    • H03H9/60—Electric coupling means therefor
    • H03H9/605—Electric coupling means therefor consisting of a ladder configuration

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
JP4825191A 1991-03-13 1991-03-13 ラダー型フィルタ Pending JPH04284015A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP4825191A JPH04284015A (ja) 1991-03-13 1991-03-13 ラダー型フィルタ
DE19924290741 DE4290741T1 (enrdf_load_stackoverflow) 1991-03-13 1992-03-12
US07/941,081 US5394123A (en) 1991-03-13 1992-03-12 Ladder type filter comprised of stacked tuning fork type resonators
PCT/JP1992/000300 WO1992016997A1 (fr) 1991-03-13 1992-03-12 Filtre du type en echelle
DE4290741A DE4290741C2 (de) 1991-03-13 1992-03-12 Abzweigfilter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4825191A JPH04284015A (ja) 1991-03-13 1991-03-13 ラダー型フィルタ

Publications (1)

Publication Number Publication Date
JPH04284015A true JPH04284015A (ja) 1992-10-08

Family

ID=12798226

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4825191A Pending JPH04284015A (ja) 1991-03-13 1991-03-13 ラダー型フィルタ

Country Status (3)

Country Link
JP (1) JPH04284015A (enrdf_load_stackoverflow)
DE (2) DE4290741C2 (enrdf_load_stackoverflow)
WO (1) WO1992016997A1 (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000017614A (ko) * 1998-08-28 2000-03-25 시게노부 카나가와 적층형 압전필터
CN108075033A (zh) * 2017-12-26 2018-05-25 广东奥迪威传感科技股份有限公司 压电振子及其制备方法
CN108206236A (zh) * 2017-12-26 2018-06-26 广东奥迪威传感科技股份有限公司 压电振子及其制备方法

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4322144C2 (de) * 1992-07-03 1997-06-05 Murata Manufacturing Co Vibratoreinheit
DE4419085C2 (de) * 1993-05-31 1999-09-02 Murata Manufacturing Co Chipförmiger Baustein mit piezoelektrischer Resonanz
US5621263A (en) * 1993-08-09 1997-04-15 Murata Manufacturing Co., Ltd. Piezoelectric resonance component
US5689220A (en) * 1993-08-17 1997-11-18 Murata Manufacturing Co., Ltd. Laterally coupled piezoelectric resonator ladder-type filter with at least one width expansion mode resonator
US5648746A (en) * 1993-08-17 1997-07-15 Murata Manufacturing Co., Ltd. Stacked diezoelectric resonator ladder-type filter with at least one width expansion mode resonator
JPH0818382A (ja) * 1994-06-27 1996-01-19 Murata Mfg Co Ltd 圧電部品
JP3114526B2 (ja) * 1994-10-17 2000-12-04 株式会社村田製作所 チップ型圧電共振部品
JP3218971B2 (ja) * 1996-04-01 2001-10-15 株式会社村田製作所 ラダー形フィルタ

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0210909A (ja) * 1988-06-28 1990-01-16 Murata Mfg Co Ltd 圧電共振部品、その製造方法および圧電共振器装置
JPH0352318A (ja) * 1989-07-19 1991-03-06 Murata Mfg Co Ltd チップ状ラダーフィルタ

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6039913A (ja) * 1983-08-15 1985-03-02 Murata Mfg Co Ltd 圧電フイルタ
JPH0666634B2 (ja) * 1984-09-06 1994-08-24 日本電気株式会社 エネルギー閉じ込め形圧電フィルタ
JPS61162134U (enrdf_load_stackoverflow) * 1985-03-26 1986-10-07
JPS648711A (en) * 1987-07-01 1989-01-12 Murata Manufacturing Co Integrally sintered type ladder filter
JPH0195617A (ja) * 1987-10-07 1989-04-13 Murata Mfg Co Ltd 多素子型圧電部品
DE3936695A1 (de) * 1989-06-14 1990-12-20 Murata Manufacturing Co Piezoelektrischer resonator

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0210909A (ja) * 1988-06-28 1990-01-16 Murata Mfg Co Ltd 圧電共振部品、その製造方法および圧電共振器装置
JPH0352318A (ja) * 1989-07-19 1991-03-06 Murata Mfg Co Ltd チップ状ラダーフィルタ

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000017614A (ko) * 1998-08-28 2000-03-25 시게노부 카나가와 적층형 압전필터
CN108075033A (zh) * 2017-12-26 2018-05-25 广东奥迪威传感科技股份有限公司 压电振子及其制备方法
CN108206236A (zh) * 2017-12-26 2018-06-26 广东奥迪威传感科技股份有限公司 压电振子及其制备方法

Also Published As

Publication number Publication date
WO1992016997A1 (fr) 1992-10-01
DE4290741T1 (enrdf_load_stackoverflow) 1993-02-18
DE4290741C2 (de) 1998-01-29

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