JP2021500838A5 - - Google Patents
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- JP2021500838A5 JP2021500838A5 JP2020543699A JP2020543699A JP2021500838A5 JP 2021500838 A5 JP2021500838 A5 JP 2021500838A5 JP 2020543699 A JP2020543699 A JP 2020543699A JP 2020543699 A JP2020543699 A JP 2020543699A JP 2021500838 A5 JP2021500838 A5 JP 2021500838A5
- Authority
- JP
- Japan
- Prior art keywords
- resonator
- filter
- shunt
- port
- path
- 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
Links
- 238000000034 method Methods 0.000 claims description 6
- 239000003990 capacitor Substances 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000001629 suppression Effects 0.000 claims description 3
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201762576537P | 2017-10-24 | 2017-10-24 | |
| US62/576,537 | 2017-10-24 | ||
| PCT/EP2018/077905 WO2019081232A1 (en) | 2017-10-24 | 2018-10-12 | RF FILTER AND RF FILTER DESIGN METHOD |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2021500838A JP2021500838A (ja) | 2021-01-07 |
| JP2021500838A5 true JP2021500838A5 (enExample) | 2021-02-18 |
| JP6900580B2 JP6900580B2 (ja) | 2021-07-07 |
Family
ID=63857950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2020543699A Active JP6900580B2 (ja) | 2017-10-24 | 2018-10-12 | Ｒｆフィルタおよびｒｆフィルタを設計する方法 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US10840885B2 (enExample) |
| EP (1) | EP3701630A1 (enExample) |
| JP (1) | JP6900580B2 (enExample) |
| CN (1) | CN111226393B (enExample) |
| WO (1) | WO2019081232A1 (enExample) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112913140B (zh) * | 2018-11-09 | 2024-09-03 | 应用材料公司 | 用于处理腔室的射频滤波器系统 |
| DE102020204067A1 (de) | 2020-03-30 | 2021-09-30 | Siemens Healthcare Gmbh | Lokalspule mit Verstimmfunktion |
| US11824522B2 (en) | 2020-11-11 | 2023-11-21 | Rf360 Singapore Pte. Ltd. | Electroacoustic filter with modified phase characteristics |
| US20220200645A1 (en) * | 2020-12-18 | 2022-06-23 | Skyworks Solutions, Inc. | Stacked resonator based antennaplexer |
| US12021509B2 (en) * | 2021-01-22 | 2024-06-25 | Rf360 Singapore Pte. Ltd. | Electroacoustic filter including split resonator with detuning |
| WO2022186021A1 (ja) | 2021-03-02 | 2022-09-09 | 株式会社村田製作所 | 高周波モジュール及び通信装置 |
| WO2022209750A1 (ja) * | 2021-03-31 | 2022-10-06 | 株式会社村田製作所 | 高周波モジュール及び通信装置 |
| CN116865714B (zh) * | 2023-09-05 | 2023-12-19 | 深圳新声半导体有限公司 | 一种用于n79频段的滤波器 |
| CN118017971A (zh) * | 2024-03-19 | 2024-05-10 | 杭州树芯电子科技有限公司 | 一种压电声学谐振器与lc无源电路相嵌入的宽带高陡降滤波器 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2800905B2 (ja) * | 1991-10-28 | 1998-09-21 | 富士通株式会社 | 弾性表面波フィルタ |
| US5933062A (en) * | 1997-11-04 | 1999-08-03 | Motorola Inc. | Acoustic wave ladder filter with effectively increased coupling coefficient and method of providing same |
| JP3856428B2 (ja) * | 2001-09-28 | 2006-12-13 | Ｔｄｋ株式会社 | 弾性表面波素子および弾性表面波装置 |
| JP2004173245A (ja) * | 2002-10-30 | 2004-06-17 | Murata Mfg Co Ltd | ラダー型フィルタ、分波器、および通信機 |
| US7319371B2 (en) * | 2003-01-20 | 2008-01-15 | Nxp B.V. | Resonator filter structure having equal resonance frequencies |
| KR101323447B1 (ko) * | 2003-10-06 | 2013-10-29 | 트리퀸트 세미컨덕터 인코퍼레이티드 | 사다리형 필터, 무선 주파수 대역 통과 필터, 무선 주파수 수신기 및 송신기 장치, 무선 주파수 수신기 장치 및 무선 주파수 송신기 장치 |
| DE102004045179A1 (de) * | 2004-09-17 | 2006-03-23 | Epcos Ag | Integriertes Filter |
| JP2011193080A (ja) * | 2010-03-12 | 2011-09-29 | Ube Industries Ltd | 分波器 |
| CN106664068B (zh) * | 2014-07-25 | 2019-06-14 | 株式会社村田制作所 | 带通滤波器以及滤波器模块 |
| CN107852148B (zh) * | 2015-08-31 | 2021-05-25 | 京瓷株式会社 | 声表面波元件 |
| US9762208B2 (en) * | 2015-09-30 | 2017-09-12 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Very wide bandwidth composite bandpass filter with steep roll-off |
| DE102015119995B4 (de) * | 2015-11-18 | 2024-05-29 | Snaptrack, Inc. | Filterschaltung mit zusätzlichen Polen außerhalb des Passbands |
| US11476825B2 (en) * | 2016-03-11 | 2022-10-18 | Akoustis, Inc. | 5.5 GHz Wi-Fi coexistence acoustic wave resonator RF filter circuit |
-
2018
- 2018-10-12 EP EP18786320.4A patent/EP3701630A1/en active Pending
- 2018-10-12 WO PCT/EP2018/077905 patent/WO2019081232A1/en not_active Ceased
- 2018-10-12 JP JP2020543699A patent/JP6900580B2/ja active Active
- 2018-10-12 CN CN201880067504.1A patent/CN111226393B/zh active Active
- 2018-10-24 US US16/169,824 patent/US10840885B2/en active Active
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