JPS5430761A - Filter circuit using elastic surface-wave filter - Google Patents

Filter circuit using elastic surface-wave filter

Info

Publication number
JPS5430761A
JPS5430761A JP9608777A JP9608777A JPS5430761A JP S5430761 A JPS5430761 A JP S5430761A JP 9608777 A JP9608777 A JP 9608777A JP 9608777 A JP9608777 A JP 9608777A JP S5430761 A JPS5430761 A JP S5430761A
Authority
JP
Japan
Prior art keywords
filter
elastic surface
circuit
filter circuit
wave 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
JP9608777A
Other languages
Japanese (ja)
Inventor
Takuya Imaide
Takeshi Murakami
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP9608777A priority Critical patent/JPS5430761A/en
Publication of JPS5430761A publication Critical patent/JPS5430761A/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 devices; 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

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)

Abstract

PURPOSE:To obtain a deep trap at any frequency by providing an attenuating phaseshifter circuit in parallel to an elastic surface-shifting amount of this circuit so that the output of the filter circuit will be zero at a desired frequency.
JP9608777A 1977-08-12 1977-08-12 Filter circuit using elastic surface-wave filter Pending JPS5430761A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9608777A JPS5430761A (en) 1977-08-12 1977-08-12 Filter circuit using elastic surface-wave filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9608777A JPS5430761A (en) 1977-08-12 1977-08-12 Filter circuit using elastic surface-wave filter

Publications (1)

Publication Number Publication Date
JPS5430761A true JPS5430761A (en) 1979-03-07

Family

ID=14155609

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9608777A Pending JPS5430761A (en) 1977-08-12 1977-08-12 Filter circuit using elastic surface-wave filter

Country Status (1)

Country Link
JP (1) JPS5430761A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6005326A (en) * 1996-10-14 1999-12-21 Nec Corporation Surface acoustic wave device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5183445A (en) * 1975-01-17 1976-07-22 Mitsumi Electric Co Ltd Hyomenhasochi

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5183445A (en) * 1975-01-17 1976-07-22 Mitsumi Electric Co Ltd Hyomenhasochi

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6005326A (en) * 1996-10-14 1999-12-21 Nec Corporation Surface acoustic wave device
US6040651A (en) * 1996-10-14 2000-03-21 Nec Corporation Surface acoustic wave device

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