FR2298230A1 - Filtres electriques comportant des resonateurs couples - Google Patents

Filtres electriques comportant des resonateurs couples

Info

Publication number
FR2298230A1
FR2298230A1 FR7600813A FR7600813A FR2298230A1 FR 2298230 A1 FR2298230 A1 FR 2298230A1 FR 7600813 A FR7600813 A FR 7600813A FR 7600813 A FR7600813 A FR 7600813A FR 2298230 A1 FR2298230 A1 FR 2298230A1
Authority
FR
France
Prior art keywords
resonators
filters containing
electric filters
containing torque
torque
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
FR7600813A
Other languages
English (en)
French (fr)
Other versions
FR2298230B1 (cg-RX-API-DMAC10.html
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 FR2298230A1 publication Critical patent/FR2298230A1/fr
Application granted granted Critical
Publication of FR2298230B1 publication Critical patent/FR2298230B1/fr
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
    • 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)
FR7600813A 1975-01-15 1976-01-14 Filtres electriques comportant des resonateurs couples Granted FR2298230A1 (fr)

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
FR2298230A1 true FR2298230A1 (fr) 1976-08-13
FR2298230B1 FR2298230B1 (cg-RX-API-DMAC10.html) 1979-01-05

Family

ID=27253932

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7600813A Granted FR2298230A1 (fr) 1975-01-15 1976-01-14 Filtres electriques comportant des resonateurs couples

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0024927A3 (en) * 1979-08-31 1981-03-18 Tokyo Shibaura Denki Kabushiki Kaisha Surface acoustic wave resonator device

Families Citing this family (26)

* 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
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

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
ELECTRONICS LETTERS, VOLUME 10, NO. 11, 30 MAI 1974 LONDRES GB G. CRAVEN ET AL."SURFACE-ACOUSTIC-WAVE REJECTION FILTERS USING MODE CONVERSION *
ELECTRONICS LETTERS, VOLUME 11, NO. 12, 12 JUIN 1975 LONDRES GB M. REDWOOD ET AL. "COUPLED-RESONATOR ACOUSTIC-SURFACE-WAVE FILTER" PAGES 253-254) *
RECONVERSION" PAGES 218-219 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0024927A3 (en) * 1979-08-31 1981-03-18 Tokyo Shibaura Denki Kabushiki Kaisha Surface acoustic wave resonator device

Also Published As

Publication number Publication date
CA1060962A (en) 1979-08-21
DE2600393C2 (de) 1985-02-07
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

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Legal Events

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