JPS5830767B2 - フイルタチエ−ン - Google Patents

フイルタチエ−ン

Info

Publication number
JPS5830767B2
JPS5830767B2 JP50042385A JP4238575A JPS5830767B2 JP S5830767 B2 JPS5830767 B2 JP S5830767B2 JP 50042385 A JP50042385 A JP 50042385A JP 4238575 A JP4238575 A JP 4238575A JP S5830767 B2 JPS5830767 B2 JP S5830767B2
Authority
JP
Japan
Prior art keywords
filter
coupling coefficient
frequency
frequencies
shows
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.)
Expired
Application number
JP50042385A
Other languages
English (en)
Japanese (ja)
Other versions
JPS50138754A (nl
Inventor
アドリアナス ベゼマー ジヤン
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.)
Nederlanden Staat
Original Assignee
Nederlanden Staat
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 Nederlanden Staat filed Critical Nederlanden Staat
Publication of JPS50138754A publication Critical patent/JPS50138754A/ja
Publication of JPS5830767B2 publication Critical patent/JPS5830767B2/ja
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/46Filters
    • H03H9/54Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/542Filters comprising resonators of piezoelectric or electrostrictive material including passive elements

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
JP50042385A 1974-04-11 1975-04-09 フイルタチエ−ン Expired JPS5830767B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NLAANVRAGE7405011,A NL174791C (nl) 1974-04-11 1974-04-11 Piezo-elektrisch filter met een zeer smalle doorlaatband.

Publications (2)

Publication Number Publication Date
JPS50138754A JPS50138754A (nl) 1975-11-05
JPS5830767B2 true JPS5830767B2 (ja) 1983-07-01

Family

ID=19821162

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50042385A Expired JPS5830767B2 (ja) 1974-04-11 1975-04-09 フイルタチエ−ン

Country Status (6)

Country Link
JP (1) JPS5830767B2 (nl)
DE (1) DE2514403C2 (nl)
FR (1) FR2275068A1 (nl)
GB (1) GB1499774A (nl)
NL (1) NL174791C (nl)
SE (1) SE408513B (nl)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02500925A (ja) * 1987-08-12 1990-03-29 アー・ファウ・エル ゲゼルシャフト フィア フェアブレヌングスクラフトマシーネン ウント メステヒニク エム・ベー・ハー プロフェッサー・ドクター・ドクター・ハー・ツェー・ハンス・リスト 内燃機関の燃料噴射装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52101337U (nl) * 1976-01-28 1977-08-01

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3585537A (en) * 1969-02-10 1971-06-15 Bell Telephone Labor Inc Electric wave filters
US3716808A (en) * 1971-05-20 1973-02-13 Motorola Inc Bandpass filter including monolithic crystal elements with resonating portions selected for symmetrical response
FR2186175A5 (nl) * 1972-05-24 1974-01-04 Thomson Csf

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02500925A (ja) * 1987-08-12 1990-03-29 アー・ファウ・エル ゲゼルシャフト フィア フェアブレヌングスクラフトマシーネン ウント メステヒニク エム・ベー・ハー プロフェッサー・ドクター・ドクター・ハー・ツェー・ハンス・リスト 内燃機関の燃料噴射装置

Also Published As

Publication number Publication date
DE2514403C2 (de) 1984-12-20
FR2275068B1 (nl) 1977-04-15
GB1499774A (en) 1978-02-01
DE2514403A1 (de) 1976-03-04
NL174791B (nl) 1984-03-01
NL174791C (nl) 1984-08-01
SE408513B (sv) 1979-06-11
JPS50138754A (nl) 1975-11-05
NL7405011A (nl) 1975-10-14
FR2275068A1 (fr) 1976-01-09
SE7504134L (sv) 1975-10-13

Similar Documents

Publication Publication Date Title
US5831493A (en) Surface acoustic wave ladder filter utilizing a generated spurious component of the parallel arm
US4456850A (en) Piezoelectric composite thin film resonator
US4166258A (en) Thin-film integrated circuit with tank circuit characteristics and applications to thin-film filters and oscillators
JPH05508979A (ja) 2重式フィルタの阻止帯域減衰を改良する方法
JP2004503975A (ja) バルク音波フィルタ
KR100266243B1 (ko) 표면 음향파 필터방법 및 장치
JPH07283688A (ja) 弾性表面波フィルター
US4066985A (en) Television IF filter constructed in accordance with the surface wave principle
JPH11220353A (ja) 弾性表面波フィルタ
US6549100B2 (en) Surface acoustic wave lattice filter with different lattice and series arm capacitance ratios and communication device using same
KR100752733B1 (ko) 박막 공진기 필터 및 박막 공진기 필터 설계 방법
JPS5830767B2 (ja) フイルタチエ−ン
US3582836A (en) Monolithic crystal filters
US20020053856A1 (en) Surface acoustic wave device and piezoelectric substrate used therefor
JP2003037476A (ja) 高周波圧電フィルタ
Komatsu et al. Design of narrow bandwidth ladder-type filters with sharp transition bands using mutually connected resonator elements
JPH09116379A (ja) 弾性表面波フィルタ
US4127833A (en) Band pass filter
JP3912394B2 (ja) 三重モード圧電フィルタの周波数調整方法
JPH09148879A (ja) 弾性表面波デバイス
JPS58146122A (ja) 梯子型圧電フイルタ
JPH05121905A (ja) 誘電体共振器およびその特性調整方法
Moschytz Inductorless filters-A survey
JPH01226207A (ja) 弾性表面波素子
Moschytz Inductorless filters: a survey I. Electromechanical filters