DE2909705C2 - Akustische Oberflächenwellenanordnung - Google Patents

Akustische Oberflächenwellenanordnung

Info

Publication number
DE2909705C2
DE2909705C2 DE2909705A DE2909705A DE2909705C2 DE 2909705 C2 DE2909705 C2 DE 2909705C2 DE 2909705 A DE2909705 A DE 2909705A DE 2909705 A DE2909705 A DE 2909705A DE 2909705 C2 DE2909705 C2 DE 2909705C2
Authority
DE
Germany
Prior art keywords
digital
center frequency
frequency
amplitude response
structures
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
DE2909705A
Other languages
German (de)
English (en)
Other versions
DE2909705A1 (de
Inventor
Wolf-Eckhart Dipl.-Phys. 8011 Vaterstetten Bulst
Hans Dr.-Ing. 1000 Berlin Eschler
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Priority to DE2909705A priority Critical patent/DE2909705C2/de
Priority to EP80101065A priority patent/EP0016979B1/de
Priority to AT80101065T priority patent/ATE4077T1/de
Priority to US06/127,814 priority patent/US4325037A/en
Priority to JP3021480A priority patent/JPS55130219A/ja
Priority to CA000347384A priority patent/CA1137183A/en
Priority to YU00670/80A priority patent/YU67080A/xx
Priority to HU80574A priority patent/HU181685B/hu
Priority to ES489418A priority patent/ES489418A1/es
Priority to SU802891852A priority patent/SU1346060A3/ru
Priority to BR8001429A priority patent/BR8001429A/pt
Publication of DE2909705A1 publication Critical patent/DE2909705A1/de
Application granted granted Critical
Publication of DE2909705C2 publication Critical patent/DE2909705C2/de
Priority to JP1987094554U priority patent/JPH026670Y2/ja
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 elements; 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
    • H03H9/14502—Surface acoustic wave [SAW] transducers for a particular purpose
    • H03H9/14514—Broad band transducers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/125—Driving means, e.g. electrodes, coils
    • H03H9/145—Driving means, e.g. electrodes, coils for networks using surface acoustic waves
    • H03H9/14502—Surface acoustic wave [SAW] transducers for a particular purpose
    • H03H9/14505—Unidirectional SAW transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Thermistors And Varistors (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
DE2909705A 1979-03-12 1979-03-12 Akustische Oberflächenwellenanordnung Expired DE2909705C2 (de)

Priority Applications (12)

Application Number Priority Date Filing Date Title
DE2909705A DE2909705C2 (de) 1979-03-12 1979-03-12 Akustische Oberflächenwellenanordnung
EP80101065A EP0016979B1 (de) 1979-03-12 1980-03-03 Akustisches Wellenfilter
AT80101065T ATE4077T1 (de) 1979-03-12 1980-03-03 Akustisches wellenfilter.
US06/127,814 US4325037A (en) 1979-03-12 1980-03-06 Acoustic wave filter
JP3021480A JPS55130219A (en) 1979-03-12 1980-03-10 Surface elastic wave filter
YU00670/80A YU67080A (en) 1979-03-12 1980-03-11 Acoustic wave filter
CA000347384A CA1137183A (en) 1979-03-12 1980-03-11 Acoustic wave filter
HU80574A HU181685B (en) 1979-03-12 1980-03-11 Acoustic vawe filter
ES489418A ES489418A1 (es) 1979-03-12 1980-03-11 Perfeccionamientos en filtros acusticos de ondas superficia-les
SU802891852A SU1346060A3 (ru) 1979-03-12 1980-03-11 Полосовой фильтр на поверхностных акустических волнах
BR8001429A BR8001429A (pt) 1979-03-12 1980-03-11 Filtro de onda
JP1987094554U JPH026670Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1979-03-12 1987-06-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2909705A DE2909705C2 (de) 1979-03-12 1979-03-12 Akustische Oberflächenwellenanordnung

Publications (2)

Publication Number Publication Date
DE2909705A1 DE2909705A1 (de) 1980-09-18
DE2909705C2 true DE2909705C2 (de) 1984-09-06

Family

ID=6065190

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2909705A Expired DE2909705C2 (de) 1979-03-12 1979-03-12 Akustische Oberflächenwellenanordnung

Country Status (11)

Country Link
US (1) US4325037A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0016979B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (2) JPS55130219A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AT (1) ATE4077T1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BR (1) BR8001429A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1137183A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2909705C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (1) ES489418A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
HU (1) HU181685B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
SU (1) SU1346060A3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
YU (1) YU67080A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3438246A1 (de) * 1984-10-18 1986-04-24 Siemens AG, 1000 Berlin und 8000 München Akustisches wellenfilter
DE3700498A1 (de) * 1986-01-10 1987-07-16 Hitachi Ltd Oberflaechen-schallwellenresonator

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO855284L (no) * 1985-01-18 1986-07-21 Siemens Ag Filter som arbeider med akustiske boelger.
NO855285L (no) * 1985-01-22 1986-07-23 Siemens Ag Filter som arbeider med akustiske boelger.
US4731595A (en) * 1986-01-24 1988-03-15 Rf Monolithics, Inc. Resonator structure
DE19638627B4 (de) * 1996-09-20 2007-09-27 Epcos Ag Oberflächenwellen(OFW)-Filter

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3582838A (en) * 1966-09-27 1971-06-01 Zenith Radio Corp Surface wave devices
US3550045A (en) * 1969-06-25 1970-12-22 Zenith Radio Corp Acoustic surface wave filter devices
GB1328343A (en) * 1969-09-17 1973-08-30 Mullard Ltd Electro mechanical filters
DE2132985C3 (de) * 1971-07-02 1981-06-04 Siemens AG, 1000 Berlin und 8000 München Piezoelektrisches Filter nach dem Oberflächenwellenprinzip
US3987376A (en) * 1974-03-22 1976-10-19 Hazeltine Corporation Acoustic surface wave device with harmonic coupled transducers
GB1529941A (en) * 1975-01-15 1978-10-25 Mullard Ltd Electrical filters including coupled resonators
DE2610183A1 (de) * 1975-03-12 1976-09-23 Murata Manufacturing Co Wellenfilter mit akustischer oberflaechenleitung
DE2615719A1 (de) * 1976-04-09 1977-10-27 Siemens Ag Filter nach dem oberflaechenwellenprinzip

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3438246A1 (de) * 1984-10-18 1986-04-24 Siemens AG, 1000 Berlin und 8000 München Akustisches wellenfilter
DE3700498A1 (de) * 1986-01-10 1987-07-16 Hitachi Ltd Oberflaechen-schallwellenresonator

Also Published As

Publication number Publication date
JPH026670Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1990-02-19
CA1137183A (en) 1982-12-07
EP0016979B1 (de) 1983-07-06
DE2909705A1 (de) 1980-09-18
YU67080A (en) 1983-06-30
JPS6312931U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1988-01-28
EP0016979A1 (de) 1980-10-15
ES489418A1 (es) 1980-09-16
US4325037A (en) 1982-04-13
JPS55130219A (en) 1980-10-08
BR8001429A (pt) 1980-11-11
ATE4077T1 (de) 1983-07-15
SU1346060A3 (ru) 1987-10-15
HU181685B (en) 1983-11-28

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Legal Events

Date Code Title Description
OAP Request for examination filed
OD Request for examination
D2 Grant after examination
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)