CN110365305A - 叉指换能器加权方法、装置、叉指换能器及声表滤波器 - Google Patents
叉指换能器加权方法、装置、叉指换能器及声表滤波器 Download PDFInfo
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- CN110365305A CN110365305A CN201910666879.6A CN201910666879A CN110365305A CN 110365305 A CN110365305 A CN 110365305A CN 201910666879 A CN201910666879 A CN 201910666879A CN 110365305 A CN110365305 A CN 110365305A
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- weighted
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- 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
- H03H9/02637—Details concerning reflective or coupling arrays
- H03H9/02803—Weighted reflective structures
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- 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
- H03H9/125—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
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/46—Filters
- H03H9/64—Filters using surface acoustic waves
- H03H9/6406—Filters characterised by a particular frequency characteristic
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Abstract
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CN201910666879.6A CN110365305B (zh) | 2019-07-23 | 2019-07-23 | 叉指换能器加权方法、装置、叉指换能器及声表滤波器 |
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CN201910666879.6A CN110365305B (zh) | 2019-07-23 | 2019-07-23 | 叉指换能器加权方法、装置、叉指换能器及声表滤波器 |
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CN110365305A true CN110365305A (zh) | 2019-10-22 |
CN110365305B CN110365305B (zh) | 2023-04-07 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113054943A (zh) * | 2021-03-29 | 2021-06-29 | 北京航天微电科技有限公司 | 提高阻带抑制的方法、系统、声表面波滤波器和电子设备 |
CN116405005A (zh) * | 2023-03-15 | 2023-07-07 | 北京航天微电科技有限公司 | 叉指换能器的指条参数确定方法、装置、设备及滤波器 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4146808A (en) * | 1977-11-10 | 1979-03-27 | The United States Of America As Represented By The Secretary Of The Air Force | Thinned withdrawal weighted surface acoustic wave interdigital transducers |
US20040239211A1 (en) * | 2003-06-02 | 2004-12-02 | Steve Beaudin | Surface wave device with weighted transducer |
CN101834578A (zh) * | 2010-05-18 | 2010-09-15 | 北京晶芯网信科技有限公司 | 一种块加权声表面波分裂指换能器 |
CN102571025A (zh) * | 2012-01-20 | 2012-07-11 | 东华大学 | 一种小型低插损单尺度声表面波小波变换器件 |
-
2019
- 2019-07-23 CN CN201910666879.6A patent/CN110365305B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4146808A (en) * | 1977-11-10 | 1979-03-27 | The United States Of America As Represented By The Secretary Of The Air Force | Thinned withdrawal weighted surface acoustic wave interdigital transducers |
US20040239211A1 (en) * | 2003-06-02 | 2004-12-02 | Steve Beaudin | Surface wave device with weighted transducer |
CN101834578A (zh) * | 2010-05-18 | 2010-09-15 | 北京晶芯网信科技有限公司 | 一种块加权声表面波分裂指换能器 |
CN102571025A (zh) * | 2012-01-20 | 2012-07-11 | 东华大学 | 一种小型低插损单尺度声表面波小波变换器件 |
Non-Patent Citations (3)
Title |
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JAN LAMPERSKI: "SAW FILTERS WITH WEIGHTED TAPERED INTERDIGITAL TRANSDUCERS", 《IEEE 1992 ULTRASONICS SYMPOSIUM PROCEEDINGS》 * |
章安良 等: "基于遗传算法的声表面波滤波器进化设计", 《电路与系统学报》 * |
章安良: "抽指加权叉指换能器进化设计", 《传感技术学报》 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113054943A (zh) * | 2021-03-29 | 2021-06-29 | 北京航天微电科技有限公司 | 提高阻带抑制的方法、系统、声表面波滤波器和电子设备 |
CN113054943B (zh) * | 2021-03-29 | 2023-07-07 | 北京航天微电科技有限公司 | 提高阻带抑制的方法、系统、声表面波滤波器和电子设备 |
CN116405005A (zh) * | 2023-03-15 | 2023-07-07 | 北京航天微电科技有限公司 | 叉指换能器的指条参数确定方法、装置、设备及滤波器 |
CN116405005B (zh) * | 2023-03-15 | 2023-11-28 | 北京航天微电科技有限公司 | 叉指换能器的指条参数确定方法、装置、设备及滤波器 |
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