FR2484153B1 - - Google Patents

Info

Publication number
FR2484153B1
FR2484153B1 FR8012867A FR8012867A FR2484153B1 FR 2484153 B1 FR2484153 B1 FR 2484153B1 FR 8012867 A FR8012867 A FR 8012867A FR 8012867 A FR8012867 A FR 8012867A FR 2484153 B1 FR2484153 B1 FR 2484153B1
Authority
FR
France
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
FR8012867A
Other languages
French (fr)
Other versions
FR2484153A1 (fr
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.)
Gouvernement de la Republique Francaise
Original Assignee
Gouvernement de la Republique Francaise
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 Gouvernement de la Republique Francaise filed Critical Gouvernement de la Republique Francaise
Priority to FR8012867A priority Critical patent/FR2484153A1/fr
Priority to FR8021827A priority patent/FR2492193B2/fr
Priority to US06/263,268 priority patent/US4398163A/en
Priority to GB8114975A priority patent/GB2080067B/en
Priority to DE19813120808 priority patent/DE3120808A1/de
Priority to JP8876581A priority patent/JPS5726915A/ja
Priority to CA000379506A priority patent/CA1178348A/en
Publication of FR2484153A1 publication Critical patent/FR2484153A1/fr
Application granted granted Critical
Publication of FR2484153B1 publication Critical patent/FR2484153B1/fr
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
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/0296—Surface acoustic wave [SAW] devices having both acoustic and non-acoustic properties
    • 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
    • H03H9/6406—Filters characterised by a particular frequency 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
    • H03H9/46—Filters
    • H03H9/64—Filters using surface acoustic waves
    • H03H9/6423—Means for obtaining a particular 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
    • H03H9/46—Filters
    • H03H9/64—Filters using surface acoustic waves
    • H03H9/6423—Means for obtaining a particular transfer characteristic
    • H03H9/6426—Combinations of the characteristics of different 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
    • H03H9/46—Filters
    • H03H9/64—Filters using surface acoustic waves
    • H03H9/6423—Means for obtaining a particular transfer characteristic
    • H03H9/6433—Coupled resonator filters
    • 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
    • H03H9/6423—Means for obtaining a particular transfer characteristic
    • H03H9/6433—Coupled resonator filters
    • H03H9/6436—Coupled resonator filters having one acoustic track only

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
FR8012867A 1980-06-10 1980-06-10 Filtre recursif a ondes elastiques de surface utilisant une ligne a retard a bouclage actif Granted FR2484153A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR8012867A FR2484153A1 (fr) 1980-06-10 1980-06-10 Filtre recursif a ondes elastiques de surface utilisant une ligne a retard a bouclage actif
FR8021827A FR2492193B2 (fr) 1980-06-10 1980-10-13 Filtre recursif a ondes elastiques de surface utilisant une ligne a retard a bouclage actif
US06/263,268 US4398163A (en) 1980-06-10 1981-05-13 Elastic surface wave recursive filter
GB8114975A GB2080067B (en) 1980-06-10 1981-05-15 Elastic surface wave recursive filters
DE19813120808 DE3120808A1 (de) 1980-06-10 1981-05-25 Rekursives oberflaechenwellen-filter
JP8876581A JPS5726915A (en) 1980-06-10 1981-06-09 Elastic surface wave circulation filter
CA000379506A CA1178348A (en) 1980-06-10 1981-06-10 Elastic surface wave recursive filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8012867A FR2484153A1 (fr) 1980-06-10 1980-06-10 Filtre recursif a ondes elastiques de surface utilisant une ligne a retard a bouclage actif

Publications (2)

Publication Number Publication Date
FR2484153A1 FR2484153A1 (fr) 1981-12-11
FR2484153B1 true FR2484153B1 (OSRAM) 1984-03-16

Family

ID=9242912

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8012867A Granted FR2484153A1 (fr) 1980-06-10 1980-06-10 Filtre recursif a ondes elastiques de surface utilisant une ligne a retard a bouclage actif

Country Status (1)

Country Link
FR (1) FR2484153A1 (OSRAM)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9608595B1 (en) * 2015-11-13 2017-03-28 Resonant Inc. Acoustic wave filter with enhanced rejection

Also Published As

Publication number Publication date
FR2484153A1 (fr) 1981-12-11

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Legal Events

Date Code Title Description
TP Transmission of property
TP Transmission of property
ST Notification of lapse