DE2600393C2 - Akustisches Oberflächenwellenfilter - Google Patents

Akustisches Oberflächenwellenfilter

Info

Publication number
DE2600393C2
DE2600393C2 DE2600393A DE2600393A DE2600393C2 DE 2600393 C2 DE2600393 C2 DE 2600393C2 DE 2600393 A DE2600393 A DE 2600393A DE 2600393 A DE2600393 A DE 2600393A DE 2600393 C2 DE2600393 C2 DE 2600393C2
Authority
DE
Germany
Prior art keywords
surface acoustic
resonators
acoustic wave
coupling means
resonator
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
DE2600393A
Other languages
German (de)
English (en)
Other versions
DE2600393A1 (de
Inventor
Richard Frank Kingston Surrey Mitchell
John Siegfried Brockham Betchworth Surrey Palfreeman
Martin Sevenoaks Kent Redwood
Frederick Warren Meadvile Redhill Surrey Smith
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of DE2600393A1 publication Critical patent/DE2600393A1/de
Application granted granted Critical
Publication of DE2600393C2 publication Critical patent/DE2600393C2/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
    • H03H9/46—Filters
    • H03H9/64—Filters using surface acoustic waves
    • H03H9/6423—Means for obtaining a particular transfer characteristic
    • H03H9/6433—Coupled resonator filters
    • H03H9/644—Coupled resonator filters having two acoustic tracks
    • H03H9/6443—Coupled resonator filters having two acoustic tracks being acoustically coupled
    • H03H9/6446—Coupled resonator filters having two acoustic tracks being acoustically coupled by floating multistrip couplers

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
DE2600393A 1975-01-15 1976-01-07 Akustisches Oberflächenwellenfilter Expired DE2600393C2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB1724/75A GB1529941A (en) 1975-01-15 1975-01-15 Electrical filters including coupled resonators
GB16478/78A GB1529943A (en) 1975-01-15 1975-12-10 Electrical filters including coupled resonators
GB16477/78A GB1529942A (en) 1975-01-15 1975-12-10 Electrical filters including coupled resonators

Publications (2)

Publication Number Publication Date
DE2600393A1 DE2600393A1 (de) 1976-07-22
DE2600393C2 true DE2600393C2 (de) 1985-02-07

Family

ID=27253932

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2600393A Expired DE2600393C2 (de) 1975-01-15 1976-01-07 Akustisches Oberflächenwellenfilter

Country Status (5)

Country Link
US (1) US4065735A (cg-RX-API-DMAC10.html)
CA (1) CA1060962A (cg-RX-API-DMAC10.html)
DE (1) DE2600393C2 (cg-RX-API-DMAC10.html)
FR (1) FR2298230A1 (cg-RX-API-DMAC10.html)
GB (3) GB1529941A (cg-RX-API-DMAC10.html)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1431112A (en) * 1973-08-31 1976-04-07 Mullard Ltd Acoustic surface-wave devices
GB1513466A (en) * 1975-09-19 1978-06-07 Mullard Ltd Acoustic surface wave devices
GB1554366A (en) * 1977-02-04 1979-10-17 Philips Electronic Associated Acoustic surface wave devices
US4130813A (en) * 1977-05-23 1978-12-19 Raytheon Company Surface wave device having enhanced reflectivity gratings
US4224683A (en) * 1978-08-25 1980-09-23 Rockwell International Corporation Multiple-channel acousto-electric convolver
US4206426A (en) * 1978-11-29 1980-06-03 Sperry Corporation Multiple pole surface wave acoustic filters employing angled grooved distributed reflector arrays
DE2909705C2 (de) * 1979-03-12 1984-09-06 Siemens AG, 1000 Berlin und 8000 München Akustische Oberflächenwellenanordnung
JPS5925525B2 (ja) * 1979-08-31 1984-06-19 株式会社東芝 弾性表面波共振子
US4278492A (en) * 1980-01-21 1981-07-14 Hewlett-Packard Company Frequency trimming of surface acoustic wave devices
US4325038A (en) * 1980-09-26 1982-04-13 Bell Telephone Laboratories, Incorporated SAW Resonator filters with improved temperature stability
JPS61251223A (ja) * 1985-04-27 1986-11-08 Pioneer Electronic Corp 弾性表面波共振子
DE4126334A1 (de) * 1991-08-08 1993-02-18 Siemens Matsushita Components Verfahren zur frequenzgenauen herstellung von oberflaechenwellen-resonatoren
US5600287A (en) * 1994-02-03 1997-02-04 Motorola, Inc. Acoustic wave filter with reduced bulk-wave scattering loss, ladder filter incorporating same and method
US5434466A (en) * 1994-05-31 1995-07-18 Motorola, Inc. Acoustic wave filter with reduced bulk-wave scattering loss and method
JP3487772B2 (ja) * 1998-03-11 2004-01-19 富士通株式会社 弾性表面波フィルタ
US5929724A (en) * 1998-07-28 1999-07-27 Com Dev Ltd. Low loss saw filters with non-sequential coupling and method of operation thereof
US8143681B2 (en) * 2006-04-20 2012-03-27 The George Washington University Saw devices, processes for making them, and methods of use
US20100007444A1 (en) * 2006-04-20 2010-01-14 Anis Nurashikin Nordin GHz Surface Acoustic Resonators in RF-CMOS
US20090124513A1 (en) * 2007-04-20 2009-05-14 Patricia Berg Multiplex Biosensor
US8018010B2 (en) * 2007-04-20 2011-09-13 The George Washington University Circular surface acoustic wave (SAW) devices, processes for making them, and methods of use
US8960004B2 (en) 2010-09-29 2015-02-24 The George Washington University Synchronous one-pole surface acoustic wave resonator
US12491111B2 (en) 2016-05-26 2025-12-09 Anand Deo Medical instrument for in vivo heat source
US11152232B2 (en) 2016-05-26 2021-10-19 Anand Deo Frequency and phase controlled transducers and sensing
US9536758B1 (en) 2016-05-26 2017-01-03 Anand Deo Time-varying frequency powered semiconductor substrate heat source
EP3818586B1 (en) 2018-07-03 2025-10-15 Deo, Anand Planar transmission line resonator frequency control of localized transducers
FR3115428A1 (fr) * 2020-10-19 2022-04-22 Commissariat A L'energie Atomique Et Aux Energies Alternatives Dispositif électromécanique à fréquence de résonance ajustable
WO2023064873A1 (en) 2021-10-13 2023-04-20 Deo Anand Conformable polymer for frequency-selectable heating locations

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2115412A1 (de) * 1971-03-30 1972-10-12 Siemens Ag Piezoelektrisches Filter nach dem Oberfl ächenwellenprinzip
US3739290A (en) * 1971-05-05 1973-06-12 Secr Defence Acoustic surface wave devices
BE785945A (fr) * 1971-07-06 1973-01-08 Siemens Ag Filtre electrique utilisant le principe des ondes de surface
US3716809A (en) * 1971-08-11 1973-02-13 Us Air Force Acoustic surface wave resonator
FR2235633A5 (cg-RX-API-DMAC10.html) * 1973-06-29 1975-01-24 Thomson Csf
US3886504A (en) * 1974-05-20 1975-05-27 Texas Instruments Inc Acoustic surface wave resonator devices
US3983517A (en) 1974-12-20 1976-09-28 Hughes Aircraft Company Surface acoustic wave multi-channel filter

Also Published As

Publication number Publication date
CA1060962A (en) 1979-08-21
GB1529942A (en) 1978-10-25
DE2600393A1 (de) 1976-07-22
FR2298230B1 (cg-RX-API-DMAC10.html) 1979-01-05
GB1529941A (en) 1978-10-25
GB1529943A (en) 1978-10-25
US4065735A (en) 1977-12-27
FR2298230A1 (fr) 1976-08-13

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Legal Events

Date Code Title Description
OD Request for examination
8128 New person/name/address of the agent

Representative=s name: AUER, H., DIPL.-ING., PAT.-ANW., 2000 HAMBURG

8181 Inventor (new situation)

Free format text: PALFREEMAN, JOHN SIEGFRIED, BROCKHAM, BETCHWORTH, SURREY, GB SMITH, FREDERICK WARREN, MEADVILE, REDHILL, SURREY, GB REDWOOD, MARTIN, SEVENOAKS, KENT, GB MITCHELL, RICHARD FRANK, KINGSTON, SURREY, GB

D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee