DE2618210C3 - Wandlerelektroden für Filter oder Verzögerungsleitungen nach dem Oberflächenwellenprinzip - Google Patents

Wandlerelektroden für Filter oder Verzögerungsleitungen nach dem Oberflächenwellenprinzip

Info

Publication number
DE2618210C3
DE2618210C3 DE2618210A DE2618210A DE2618210C3 DE 2618210 C3 DE2618210 C3 DE 2618210C3 DE 2618210 A DE2618210 A DE 2618210A DE 2618210 A DE2618210 A DE 2618210A DE 2618210 C3 DE2618210 C3 DE 2618210C3
Authority
DE
Germany
Prior art keywords
surface wave
leads
filters
electrode fingers
transducer
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
DE2618210A
Other languages
German (de)
English (en)
Other versions
DE2618210B2 (de
DE2618210A1 (de
Inventor
Wilhelm Dipl.-Phys. 8022 Gruenwald Kuny
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 DE2618210A priority Critical patent/DE2618210C3/de
Priority to US05/783,837 priority patent/US4160219A/en
Priority to IT22582/77A priority patent/IT1084935B/it
Priority to FR7712366A priority patent/FR2350001A1/fr
Priority to BR7702585A priority patent/BR7702585A/pt
Priority to GB17055/77A priority patent/GB1576455A/en
Priority to JP4830677A priority patent/JPS52130550A/ja
Publication of DE2618210A1 publication Critical patent/DE2618210A1/de
Publication of DE2618210B2 publication Critical patent/DE2618210B2/de
Application granted granted Critical
Publication of DE2618210C3 publication Critical patent/DE2618210C3/de
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
    • H03H9/14544—Transducers of particular shape or position
    • H03H9/1455—Transducers of particular shape or position constituted of N parallel or series 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
    • H03H9/02535—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
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02818—Means for compensation or elimination of undesirable effects
    • H03H9/02858—Means for compensation or elimination of undesirable effects of wave front distortion
    • 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
    • H03H9/14517—Means for weighting
    • H03H9/1452—Means for weighting by finger overlap length, apodisation

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
DE2618210A 1976-04-26 1976-04-26 Wandlerelektroden für Filter oder Verzögerungsleitungen nach dem Oberflächenwellenprinzip Expired DE2618210C3 (de)

Priority Applications (7)

Application Number Priority Date Filing Date Title
DE2618210A DE2618210C3 (de) 1976-04-26 1976-04-26 Wandlerelektroden für Filter oder Verzögerungsleitungen nach dem Oberflächenwellenprinzip
US05/783,837 US4160219A (en) 1976-04-26 1977-04-01 Transducer electrodes for filters or delay lines utilizing surface wave principles
IT22582/77A IT1084935B (it) 1976-04-26 1977-04-19 Elettrodi di trasduttore per filtri o linee di ritardo che lavorano secondo il principio dell onde superficiali
BR7702585A BR7702585A (pt) 1976-04-26 1977-04-25 Electrodos de transdutores para filtros ou linhas de retardo de acordo com o principlo de ondas superficiais
FR7712366A FR2350001A1 (fr) 1976-04-26 1977-04-25 Electrodes de transducteurs pour des filtres ou des lignes a retard, fonctionnant selon le principe des ondes de surface
GB17055/77A GB1576455A (en) 1976-04-26 1977-04-25 Surface wave filters or delay lines
JP4830677A JPS52130550A (en) 1976-04-26 1977-04-26 Surface acoustic wave device converter electrode

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2618210A DE2618210C3 (de) 1976-04-26 1976-04-26 Wandlerelektroden für Filter oder Verzögerungsleitungen nach dem Oberflächenwellenprinzip

Publications (3)

Publication Number Publication Date
DE2618210A1 DE2618210A1 (de) 1977-11-10
DE2618210B2 DE2618210B2 (de) 1979-07-12
DE2618210C3 true DE2618210C3 (de) 1980-03-13

Family

ID=5976265

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2618210A Expired DE2618210C3 (de) 1976-04-26 1976-04-26 Wandlerelektroden für Filter oder Verzögerungsleitungen nach dem Oberflächenwellenprinzip

Country Status (7)

Country Link
US (1) US4160219A (enExample)
JP (1) JPS52130550A (enExample)
BR (1) BR7702585A (enExample)
DE (1) DE2618210C3 (enExample)
FR (1) FR2350001A1 (enExample)
GB (1) GB1576455A (enExample)
IT (1) IT1084935B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4276524A (en) 1977-08-10 1981-06-30 Murata Manufacturing Co., Ltd. Acoustic surface wave device

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2428350A1 (fr) * 1978-06-06 1980-01-04 Thomson Csf Filtre a ondes elastiques de surface et etage de frequence intermediaire d'un recepteur de television comprenant un tel filtre
US4604595A (en) * 1982-06-16 1986-08-05 Murata Manufacturing Co., Ltd. Surface acoustic wave device having interdigitated comb electrodes weighted for odd/even response
USRE33957E (en) * 1982-07-26 1992-06-09 Toyo Communication Equipment Co., Ltd. High frequency narrow-band multi-mode filter
GB2132844A (en) * 1982-12-22 1984-07-11 Philips Electronic Associated Surface acoustic wave device
US4535265A (en) * 1984-05-17 1985-08-13 Kabushiki Kaisha Toshiba Surface acoustic wave transducer with internal acoustic reflection
US4918349A (en) * 1987-11-13 1990-04-17 Hitachi, Ltd. Surface acoustic wave device having apodized transducer provided with irregular pitch electrode group
JPH02189015A (ja) * 1989-01-17 1990-07-25 Clarion Co Ltd 弾性表面波装置
JPH0685597A (ja) * 1992-09-02 1994-03-25 Mitsubishi Electric Corp 弾性表面波装置
US6791236B1 (en) * 2000-10-11 2004-09-14 Yuri Abramov Method utilizing the saw velocity dispersion effect for weighting by shaping the electrode fingers of a saw interdigital transducer and apparatus produced thereby
DE102010055628B4 (de) 2010-12-22 2018-09-06 Snaptrack, Inc. Elektroakustischer Resonator

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2040881A5 (enExample) * 1969-04-16 1971-01-22 Thomson Csf
GB1355418A (en) * 1971-05-24 1974-06-05 Mullard Ltd Acoustic surface wave devices
GB1430725A (en) * 1974-08-02 1976-04-07 Mullard Ltd Acoustic surface wave devices

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4276524A (en) 1977-08-10 1981-06-30 Murata Manufacturing Co., Ltd. Acoustic surface wave device

Also Published As

Publication number Publication date
DE2618210B2 (de) 1979-07-12
DE2618210A1 (de) 1977-11-10
JPS52130550A (en) 1977-11-01
FR2350001B1 (enExample) 1980-01-18
BR7702585A (pt) 1978-01-10
FR2350001A1 (fr) 1977-11-25
GB1576455A (en) 1980-10-08
US4160219A (en) 1979-07-03
IT1084935B (it) 1985-05-28

Similar Documents

Publication Publication Date Title
DE69620524T2 (de) Oberflächenwellenfilter
DE69316786T2 (de) Elastische Oberflächenwellenfilter
DE2521290A1 (de) Oberflaechenwellenresonatorvorrichtung
DE3209962A1 (de) Mit akustischen wellen arbeitendes elektronisches bauelement
DE2848267C3 (de) Akustische Oberflachenwelleneinrichtung
DE2618210C3 (de) Wandlerelektroden für Filter oder Verzögerungsleitungen nach dem Oberflächenwellenprinzip
DE3025871C2 (de) Akustische Oberflächenwelleneinrichtung
EP0176786A2 (de) Wandler für SAW-Anordnung
DE2739688C2 (enExample)
DE69321414T2 (de) Filtergerät mit akustischen Oberflächenwellen
DE69730189T2 (de) Unidirektionales Filter mit akustischen Oberflächenwellen
DE2831584C2 (de) Wandler für akustische Oberflächenwellen und Filter auf der Basis dieser Wandler
DE2546193C3 (de) Festkörperfilter
DE2826891C3 (de) Elastizitätsoberflächenwellen-Bauelement
EP0104314A2 (de) SAW-Filter
DE2820046C2 (de) Akustisches Oberflächenwellen- Bauelement
DE69322117T2 (de) Akustische Oberflächenwellenfilteranordnung
DE3320567A1 (de) Akustische oberflaechenwellen ausbildendes bauelement
EP0100997B1 (de) Mit reflektierten akustischen Wellen arbeitendes elektronisches Bauelement
DE2364134A1 (de) Elektromechanisches oberflaechenwellenfilter
DE68902810T2 (de) Wandler fuer ein akustisches oberflaechenwellen-filter.
DE2839851B1 (de) Oberflaechenwellenanordnung mit verbesserter Stoersignalunterdrueckung
DE2346204C3 (de) Wandler für Füter oder Verzögerungsleitungen nach dem Oberflächenwellenprinzip
EP0909026A2 (de) Akustisches Filter, insbesondere Oberflächenwellen-Filter
DE2618144C3 (de) Wandlerelektroden für Filter oder Verzögerungsleitungen nach dem Oberflächenwellenprinzip

Legal Events

Date Code Title Description
OD Request for examination
C3 Grant after two publication steps (3rd publication)
8339 Ceased/non-payment of the annual fee