JPS52135646A - Elastic surface wave filter - Google Patents

Elastic surface wave filter

Info

Publication number
JPS52135646A
JPS52135646A JP5214376A JP5214376A JPS52135646A JP S52135646 A JPS52135646 A JP S52135646A JP 5214376 A JP5214376 A JP 5214376A JP 5214376 A JP5214376 A JP 5214376A JP S52135646 A JPS52135646 A JP S52135646A
Authority
JP
Japan
Prior art keywords
wave filter
surface wave
elastic surface
subrobe
assymmetrical
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.)
Granted
Application number
JP5214376A
Other languages
Japanese (ja)
Other versions
JPS5915524B2 (en
Inventor
Toshihiro Onodera
Riichi Kodama
Sadao Takahashi
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP5214376A priority Critical patent/JPS5915524B2/en
Publication of JPS52135646A publication Critical patent/JPS52135646A/en
Publication of JPS5915524B2 publication Critical patent/JPS5915524B2/en
Expired 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
    • H03H9/125—Driving means, e.g. electrodes, coils
    • H03H9/145—Driving means, e.g. electrodes, coils for networks using surface acoustic waves
    • H03H9/14517—Means for weighting
    • H03H9/1452—Means for weighting by finger overlap length, apodisation

Abstract

PURPOSE:To enable the desired filter characteristics, by selecting the assymmetrical characteristics for left and right of subrobe and the deviation between the distances of the main robe electrode chips.
JP5214376A 1976-05-10 1976-05-10 surface acoustic wave filter Expired JPS5915524B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5214376A JPS5915524B2 (en) 1976-05-10 1976-05-10 surface acoustic wave filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5214376A JPS5915524B2 (en) 1976-05-10 1976-05-10 surface acoustic wave filter

Publications (2)

Publication Number Publication Date
JPS52135646A true JPS52135646A (en) 1977-11-12
JPS5915524B2 JPS5915524B2 (en) 1984-04-10

Family

ID=12906642

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5214376A Expired JPS5915524B2 (en) 1976-05-10 1976-05-10 surface acoustic wave filter

Country Status (1)

Country Link
JP (1) JPS5915524B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0074781A2 (en) * 1981-09-11 1983-03-23 Kabushiki Kaisha Toshiba Surface acoustic wave filter
EP0158402A2 (en) * 1984-04-09 1985-10-16 Philips Electronics Uk Limited Electrical filter comprising an acoustic surface wave device, and method of manufacturing such a filter

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0074781A2 (en) * 1981-09-11 1983-03-23 Kabushiki Kaisha Toshiba Surface acoustic wave filter
US4458221A (en) * 1981-09-11 1984-07-03 Tokyo Shibaura Denki Kabushiki Kaisha Surface acoustic wave filter
EP0158402A2 (en) * 1984-04-09 1985-10-16 Philips Electronics Uk Limited Electrical filter comprising an acoustic surface wave device, and method of manufacturing such a filter
JPS60249412A (en) * 1984-04-09 1985-12-10 エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン Elastic surface wave electric filter and method of producingsame

Also Published As

Publication number Publication date
JPS5915524B2 (en) 1984-04-10

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