CN112332800A - 梯形结构的体声波滤波器以及多工器和通信设备 - Google Patents
梯形结构的体声波滤波器以及多工器和通信设备 Download PDFInfo
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- CN112332800A CN112332800A CN202011204714.6A CN202011204714A CN112332800A CN 112332800 A CN112332800 A CN 112332800A CN 202011204714 A CN202011204714 A CN 202011204714A CN 112332800 A CN112332800 A CN 112332800A
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- Prior art keywords
- resonator
- trench
- acoustic wave
- bulk acoustic
- wave filter
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Images
Classifications
-
- 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
- H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/70—Multiple-port networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
- H03H9/703—Networks using bulk acoustic wave devices
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Abstract
Description
串联谐振器 | 并联谐振器 | |
第一实施例 | W3 | W1 |
第一对比例 | 0 | W1 |
第二对比例 | W5 | W1 |
第三对比例 | W3 | W5 |
Claims (8)
Priority Applications (1)
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CN202011204714.6A CN112332800B (zh) | 2020-11-02 | 2020-11-02 | 梯形结构的体声波滤波器以及多工器和通信设备 |
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CN202011204714.6A CN112332800B (zh) | 2020-11-02 | 2020-11-02 | 梯形结构的体声波滤波器以及多工器和通信设备 |
Publications (2)
Publication Number | Publication Date |
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CN112332800A true CN112332800A (zh) | 2021-02-05 |
CN112332800B CN112332800B (zh) | 2021-08-10 |
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CN (1) | CN112332800B (zh) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110768641A (zh) * | 2019-10-11 | 2020-02-07 | 天津大学 | 一种滤波电路及提高滤波电路性能的方法和信号处理设备 |
CN111010099A (zh) * | 2019-03-02 | 2020-04-14 | 天津大学 | 带凹陷结构和凸结构的体声波谐振器、滤波器及电子设备 |
TW202023189A (zh) * | 2018-07-18 | 2020-06-16 | 美商天工方案公司 | 具有積體取消電路之薄膜塊體聲諧振器濾波器 |
CN111446944A (zh) * | 2020-04-30 | 2020-07-24 | 华南理工大学 | 一种利于集成的空气隙型薄膜体声波谐振器及其制备方法 |
US20200321940A1 (en) * | 2019-04-08 | 2020-10-08 | Samsung Electro-Mechanics Co., Ltd. | Acoustic resonator filter package |
CN111817687A (zh) * | 2020-06-30 | 2020-10-23 | 诺思(天津)微系统有限责任公司 | 滤波器设计方法和滤波器、多工器、通信设备 |
-
2020
- 2020-11-02 CN CN202011204714.6A patent/CN112332800B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW202023189A (zh) * | 2018-07-18 | 2020-06-16 | 美商天工方案公司 | 具有積體取消電路之薄膜塊體聲諧振器濾波器 |
CN111010099A (zh) * | 2019-03-02 | 2020-04-14 | 天津大学 | 带凹陷结构和凸结构的体声波谐振器、滤波器及电子设备 |
US20200321940A1 (en) * | 2019-04-08 | 2020-10-08 | Samsung Electro-Mechanics Co., Ltd. | Acoustic resonator filter package |
CN110768641A (zh) * | 2019-10-11 | 2020-02-07 | 天津大学 | 一种滤波电路及提高滤波电路性能的方法和信号处理设备 |
CN111446944A (zh) * | 2020-04-30 | 2020-07-24 | 华南理工大学 | 一种利于集成的空气隙型薄膜体声波谐振器及其制备方法 |
CN111817687A (zh) * | 2020-06-30 | 2020-10-23 | 诺思(天津)微系统有限责任公司 | 滤波器设计方法和滤波器、多工器、通信设备 |
Non-Patent Citations (4)
Title |
---|
DENNIS MOY: "针对4G/LTE智能手机的FBAR滤波器技术 ", 《世界电子元器件》 * |
MINGKE QI等: "FBAR-Based Radio Frequency Bandpass Filter for 3G TD-SCDMA ", 《ZTE COMMUNICATIONS》 * |
蔡洵等: "薄膜体声波谐振器的测试与表征 ", 《微纳电子技术》 * |
贺学锋等: "Active control scheme for improving mass resolution of film bulk acoustic resonators ", 《APPLIED MATHEMATICS AND MECHANICS(ENGLISH EDITION)》 * |
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CN112332800B (zh) | 2021-08-10 |
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Denomination of invention: Trapezoidal bulk acoustic wave filter, multiplexer and communication equipment Effective date of registration: 20210908 Granted publication date: 20210810 Pledgee: Tianjin TEDA Haihe intelligent manufacturing industry development fund partnership (L.P.) Pledgor: ROFS MICROSYSTEM(TIANJIN) Co.,Ltd. Registration number: Y2021980009034 |
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Effective date of registration: 20240130 Granted publication date: 20210810 |