GB2050742B - Surface acoustic wave filter - Google Patents

Surface acoustic wave filter

Info

Publication number
GB2050742B
GB2050742B GB8015689A GB8015689A GB2050742B GB 2050742 B GB2050742 B GB 2050742B GB 8015689 A GB8015689 A GB 8015689A GB 8015689 A GB8015689 A GB 8015689A GB 2050742 B GB2050742 B GB 2050742B
Authority
GB
United Kingdom
Prior art keywords
acoustic wave
surface acoustic
wave filter
filter
wave
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.)
Expired
Application number
GB8015689A
Other versions
GB2050742A (en
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.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing 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 Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Publication of GB2050742A publication Critical patent/GB2050742A/en
Application granted granted Critical
Publication of GB2050742B publication Critical patent/GB2050742B/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
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02818—Means for compensation or elimination of undesirable effects
    • H03H9/02842—Means for compensation or elimination of undesirable effects of reflections
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
    • H03H3/007—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
    • H03H3/08—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of resonators or networks using surface acoustic waves
    • H03H3/10—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of resonators or networks using surface acoustic waves for obtaining desired frequency or temperature coefficient

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
GB8015689A 1979-05-15 1980-05-12 Surface acoustic wave filter Expired GB2050742B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5991579A JPS55151810A (en) 1979-05-15 1979-05-15 Elastic surface wave filter

Publications (2)

Publication Number Publication Date
GB2050742A GB2050742A (en) 1981-01-07
GB2050742B true GB2050742B (en) 1983-03-23

Family

ID=13126894

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8015689A Expired GB2050742B (en) 1979-05-15 1980-05-12 Surface acoustic wave filter

Country Status (3)

Country Link
JP (1) JPS55151810A (en)
DE (1) DE3018080C2 (en)
GB (1) GB2050742B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5791083A (en) * 1980-11-28 1982-06-07 Toshiba Corp Surface acoustic wave filter for television receiver
JPS61121513A (en) * 1984-11-16 1986-06-09 Matsushita Electric Ind Co Ltd Control method for amplitude characteristics of surface wave filter
DE3517254A1 (en) * 1985-05-13 1986-11-13 Siemens AG, 1000 Berlin und 8000 München ELECTRIC FILTER WORKING WITH ACOUSTIC SHAFTS

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5333557A (en) * 1976-08-24 1978-03-29 Toshiba Corp Elastic surface wave element
US4096455A (en) * 1977-02-23 1978-06-20 Tektronix, Inc. Surface wave termination for saw device

Also Published As

Publication number Publication date
GB2050742A (en) 1981-01-07
DE3018080C2 (en) 1986-02-06
JPS55151810A (en) 1980-11-26
DE3018080A1 (en) 1980-11-20

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20000511