JPS5422745A - Elastic surface wave filter - Google Patents

Elastic surface wave filter

Info

Publication number
JPS5422745A
JPS5422745A JP8736377A JP8736377A JPS5422745A JP S5422745 A JPS5422745 A JP S5422745A JP 8736377 A JP8736377 A JP 8736377A JP 8736377 A JP8736377 A JP 8736377A JP S5422745 A JPS5422745 A JP S5422745A
Authority
JP
Japan
Prior art keywords
wave filter
surface wave
elastic surface
adopting
pairs
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
JP8736377A
Other languages
Japanese (ja)
Inventor
Masanori Ogino
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 JP8736377A priority Critical patent/JPS5422745A/en
Publication of JPS5422745A publication Critical patent/JPS5422745A/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
    • H03H9/70—Multiple-port networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
    • H03H9/72—Networks using surface acoustic waves

Abstract

PURPOSE:To realize a complicated frequency selecting function with one unit of the elastic surface wave filter, by adopting the elastic surface wave filter which features a structure in which two pairs of the output electrodes are provided to one pair of the input electrodes.
JP8736377A 1977-07-22 1977-07-22 Elastic surface wave filter Pending JPS5422745A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8736377A JPS5422745A (en) 1977-07-22 1977-07-22 Elastic surface wave filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8736377A JPS5422745A (en) 1977-07-22 1977-07-22 Elastic surface wave filter

Publications (1)

Publication Number Publication Date
JPS5422745A true JPS5422745A (en) 1979-02-20

Family

ID=13912800

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8736377A Pending JPS5422745A (en) 1977-07-22 1977-07-22 Elastic surface wave filter

Country Status (1)

Country Link
JP (1) JPS5422745A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57150213A (en) * 1981-03-13 1982-09-17 Toshiba Corp Surface acoustic wave device
JPS5850522U (en) * 1981-10-01 1983-04-05 株式会社東芝 surface acoustic wave filter
US5309126A (en) * 1991-11-18 1994-05-03 Motorola, Inc. Spatially varying multiple electrode acoustic wave filter and method therefor
WO1994016498A1 (en) * 1992-12-31 1994-07-21 Motorola, Inc. A multi-bandwidth saw filter

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57150213A (en) * 1981-03-13 1982-09-17 Toshiba Corp Surface acoustic wave device
JPS5850522U (en) * 1981-10-01 1983-04-05 株式会社東芝 surface acoustic wave filter
US5309126A (en) * 1991-11-18 1994-05-03 Motorola, Inc. Spatially varying multiple electrode acoustic wave filter and method therefor
WO1994016498A1 (en) * 1992-12-31 1994-07-21 Motorola, Inc. A multi-bandwidth saw filter
US5365207A (en) * 1992-12-31 1994-11-15 Motorola, Inc. Multi-bandwidth saw filter

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