JPS58127426A - 弾性表面波装置 - Google Patents

弾性表面波装置

Info

Publication number
JPS58127426A
JPS58127426A JP57010305A JP1030582A JPS58127426A JP S58127426 A JPS58127426 A JP S58127426A JP 57010305 A JP57010305 A JP 57010305A JP 1030582 A JP1030582 A JP 1030582A JP S58127426 A JPS58127426 A JP S58127426A
Authority
JP
Japan
Prior art keywords
electrodes
insertion loss
acoustic wave
surface acoustic
wave device
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
JP57010305A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0245365B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Mikio Morimoto
森本　幹夫
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP57010305A priority Critical patent/JPS58127426A/ja
Priority to US06/460,581 priority patent/US4490698A/en
Priority to CA000420154A priority patent/CA1198486A/en
Publication of JPS58127426A publication Critical patent/JPS58127426A/ja
Publication of JPH0245365B2 publication Critical patent/JPH0245365B2/ja
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
    • H03H9/46—Filters
    • H03H9/64—Filters using surface acoustic waves
    • H03H9/6423—Means for obtaining a particular transfer characteristic

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
JP57010305A 1982-01-26 1982-01-26 弾性表面波装置 Granted JPS58127426A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP57010305A JPS58127426A (ja) 1982-01-26 1982-01-26 弾性表面波装置
US06/460,581 US4490698A (en) 1982-01-26 1983-01-24 Surface acoustic wave bandpass filter
CA000420154A CA1198486A (en) 1982-01-26 1983-01-25 Surface acoustic wave bandpass filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57010305A JPS58127426A (ja) 1982-01-26 1982-01-26 弾性表面波装置

Publications (2)

Publication Number Publication Date
JPS58127426A true JPS58127426A (ja) 1983-07-29
JPH0245365B2 JPH0245365B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1990-10-09

Family

ID=11746534

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57010305A Granted JPS58127426A (ja) 1982-01-26 1982-01-26 弾性表面波装置

Country Status (3)

Country Link
US (1) US4490698A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS58127426A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1198486A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6482706A (en) * 1987-09-25 1989-03-28 Hitachi Ltd Surface acoustic wave narrow-band filter

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8429921D0 (en) * 1984-11-27 1985-01-03 British Telecomm Flexible regenerator
US5313177A (en) * 1992-04-06 1994-05-17 Motorola, Inc. Method and apparatus for an acoustic wave filter
JP3154402B2 (ja) * 1997-11-12 2001-04-09 日本電気株式会社 Ｓａｗフィルタ

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4911535A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1972-06-01 1974-02-01
JPS4975248A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1972-10-30 1974-07-19

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3582840A (en) * 1966-09-27 1971-06-01 Zenith Radio Corp Acoustic wave filter
US3446975A (en) * 1966-11-07 1969-05-27 Zenith Radio Corp Acousto-electric filter utilizing surface wave propagation in which the center frequency is determined by a conductivity pattern resulting from an optical image

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4911535A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1972-06-01 1974-02-01
JPS4975248A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1972-10-30 1974-07-19

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6482706A (en) * 1987-09-25 1989-03-28 Hitachi Ltd Surface acoustic wave narrow-band filter

Also Published As

Publication number Publication date
JPH0245365B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1990-10-09
CA1198486A (en) 1985-12-24
US4490698A (en) 1984-12-25

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