CN1452431A - 高频器件和通信设备 - Google Patents
高频器件和通信设备 Download PDFInfo
- Publication number
- CN1452431A CN1452431A CN03110491A CN03110491A CN1452431A CN 1452431 A CN1452431 A CN 1452431A CN 03110491 A CN03110491 A CN 03110491A CN 03110491 A CN03110491 A CN 03110491A CN 1452431 A CN1452431 A CN 1452431A
- Authority
- CN
- China
- Prior art keywords
- electrode
- balance
- termination
- frequency
- frequency element
- 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
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
- H03H9/64—Filters using surface acoustic waves
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/0023—Balance-unbalance or balance-balance networks
- H03H9/0028—Balance-unbalance or balance-balance networks using surface acoustic wave devices
- H03H9/0033—Balance-unbalance or balance-balance networks using surface acoustic wave devices having one acoustic track only
- H03H9/0038—Balance-unbalance or balance-balance networks using surface acoustic wave devices having one acoustic track only the balanced terminals being on the same side of the track
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/0023—Balance-unbalance or balance-balance networks
- H03H9/0028—Balance-unbalance or balance-balance networks using surface acoustic wave devices
- H03H9/0033—Balance-unbalance or balance-balance networks using surface acoustic wave devices having one acoustic track only
- H03H9/0042—Balance-unbalance or balance-balance networks using surface acoustic wave devices having one acoustic track only the balanced terminals being on opposite sides of the track
-
- 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
- H03H9/05—Holders; Supports
- H03H9/0538—Constructional combinations of supports or holders with electromechanical or other electronic elements
- H03H9/0547—Constructional combinations of supports or holders with electromechanical or other electronic elements consisting of a vertical arrangement
- H03H9/0557—Constructional combinations of supports or holders with electromechanical or other electronic elements consisting of a vertical arrangement the other elements being buried in the substrate
-
- 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
- H03H9/14597—Matching SAW transducers to external electrical circuits
-
- 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
- H03H9/6423—Means for obtaining a particular transfer characteristic
- H03H9/6433—Coupled resonator filters
- H03H9/6436—Coupled resonator filters having one acoustic track only
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H1/00—Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network
- H03H2001/0021—Constructional details
- H03H2001/0085—Multilayer, e.g. LTCC, HTCC, green sheets
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Abstract
Description
Claims (21)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002112564 | 2002-04-15 | ||
JP2002112564 | 2002-04-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1452431A true CN1452431A (zh) | 2003-10-29 |
CN100488045C CN100488045C (zh) | 2009-05-13 |
Family
ID=29243322
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB031104916A Expired - Lifetime CN100488045C (zh) | 2002-04-15 | 2003-04-15 | 高频器件和通信设备 |
Country Status (4)
Country | Link |
---|---|
US (1) | US6882250B2 (zh) |
EP (1) | EP1372263A3 (zh) |
KR (1) | KR20030082420A (zh) |
CN (1) | CN100488045C (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107534433A (zh) * | 2015-05-08 | 2018-01-02 | 株式会社村田制作所 | 高频模块 |
CN113839646A (zh) * | 2021-09-29 | 2021-12-24 | 北京超材信息科技有限公司 | 声表面波装置阻抗匹配器 |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003060484A (ja) * | 2001-08-14 | 2003-02-28 | Murata Mfg Co Ltd | 弾性表面波装置 |
JP2005151287A (ja) * | 2003-11-18 | 2005-06-09 | Tdk Corp | 電子部品 |
DE102004031397A1 (de) * | 2004-06-29 | 2006-01-26 | Epcos Ag | Duplexer |
DE102004032930A1 (de) * | 2004-07-07 | 2006-02-02 | Epcos Ag | Beidseitig symmetrisch betreibbares Filter mit Volumenwellenresonatoren |
US7446629B2 (en) * | 2004-08-04 | 2008-11-04 | Matsushita Electric Industrial Co., Ltd. | Antenna duplexer, and RF module and communication apparatus using the same |
JPWO2006137248A1 (ja) * | 2005-06-21 | 2009-01-08 | 株式会社村田製作所 | Saw分波器 |
TW200713681A (en) * | 2005-09-26 | 2007-04-01 | Murata Manufacturing Co | High-frequency front end module, and duplexer |
JP4441886B2 (ja) * | 2006-03-31 | 2010-03-31 | Tdk株式会社 | 高周波モジュール |
WO2012108254A1 (ja) * | 2011-02-09 | 2012-08-16 | 株式会社村田製作所 | 高周波モジュール |
JP6442775B2 (ja) * | 2016-05-12 | 2018-12-26 | 本田技研工業株式会社 | 乗員保護装置 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03220911A (ja) * | 1990-01-26 | 1991-09-30 | Fujitsu Ltd | 弾性表面波フィルタ |
DE69319977T3 (de) * | 1992-08-24 | 2006-06-14 | Nihon Dempa Kogyo Co | Akustisches Oberflächenwellenresonatorfilter |
JP3254779B2 (ja) | 1993-01-05 | 2002-02-12 | 株式会社村田製作所 | 多電極形弾性表面波装置 |
JPH07106907A (ja) * | 1993-10-04 | 1995-04-21 | Alps Electric Co Ltd | 高周波帯域増幅器 |
NO301202B1 (no) * | 1995-06-28 | 1997-09-22 | Ame Space As | Tilpasningskrets |
JP3186604B2 (ja) * | 1996-10-09 | 2001-07-11 | 株式会社村田製作所 | 弾性表面波フィルタ装置 |
CA2199238C (en) * | 1997-03-05 | 2002-07-02 | Ji-Dong Dai | Surface wave device with capacitance |
US6255915B1 (en) * | 1999-05-10 | 2001-07-03 | Research In Motion Limited | Differential surface acoustic wave filter having balanced outputs |
JP3607833B2 (ja) * | 1999-05-28 | 2005-01-05 | 沖電気工業株式会社 | 差動弾性表面波フィルタ |
US6720842B2 (en) * | 2000-02-14 | 2004-04-13 | Murata Manufacturing Co., Ltd. | Surface acoustic wave filter device having first through third surface acoustic wave filter elements |
JP3478264B2 (ja) * | 2000-03-10 | 2003-12-15 | 株式会社村田製作所 | 弾性表面波装置 |
JP3435640B2 (ja) * | 2000-05-22 | 2003-08-11 | 株式会社村田製作所 | 縦結合共振子型弾性表面波フィルタ |
JP3729081B2 (ja) | 2000-06-27 | 2005-12-21 | 株式会社村田製作所 | 弾性表面波装置 |
JP2002176333A (ja) * | 2000-12-07 | 2002-06-21 | Fujitsu Media Device Kk | 弾性表面波フィルタ |
JP3480445B2 (ja) * | 2001-01-10 | 2003-12-22 | 株式会社村田製作所 | 弾性表面波装置 |
JP2002353775A (ja) * | 2001-03-23 | 2002-12-06 | Sanyo Electric Co Ltd | フィルタユニット及び該フィルタユニットを用いたデュプレクサ |
JP3973915B2 (ja) * | 2001-03-30 | 2007-09-12 | 株式会社日立メディアエレクトロニクス | 高周波フィルタ、高周波回路、アンテナ共用器及び無線端末 |
-
2003
- 2003-04-15 KR KR10-2003-0023542A patent/KR20030082420A/ko not_active Application Discontinuation
- 2003-04-15 EP EP03008098A patent/EP1372263A3/en not_active Withdrawn
- 2003-04-15 CN CNB031104916A patent/CN100488045C/zh not_active Expired - Lifetime
- 2003-04-15 US US10/413,651 patent/US6882250B2/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107534433A (zh) * | 2015-05-08 | 2018-01-02 | 株式会社村田制作所 | 高频模块 |
CN113839646A (zh) * | 2021-09-29 | 2021-12-24 | 北京超材信息科技有限公司 | 声表面波装置阻抗匹配器 |
CN113839646B (zh) * | 2021-09-29 | 2024-04-09 | 北京超材信息科技有限公司 | 声表面波装置阻抗匹配器 |
Also Published As
Publication number | Publication date |
---|---|
EP1372263A2 (en) | 2003-12-17 |
US6882250B2 (en) | 2005-04-19 |
US20040012461A1 (en) | 2004-01-22 |
KR20030082420A (ko) | 2003-10-22 |
CN100488045C (zh) | 2009-05-13 |
EP1372263A3 (en) | 2009-09-16 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: SKYWORKS PANASONIC FILTRATE SOLUTIONS JAPAN CO., L Free format text: FORMER OWNER: MATSUSHITA ELECTRIC INDUSTRIAL CO, LTD. Effective date: 20150209 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20150209 Address after: Osaka Japan Patentee after: Tiangong Panasonic Filter Solutions Japan Co.,Ltd. Address before: Japan's Osaka kamato City Patentee before: Matsushita Electric Industrial Co.,Ltd. |
|
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: Osaka Japan Patentee after: SKYWORKS PANASONIC FILTER SOLUTIONS JAPAN CO.,LTD. Address before: Osaka Japan Patentee before: Tiangong Panasonic Filter Solutions Japan Co.,Ltd. |
|
CX01 | Expiry of patent term |
Granted publication date: 20090513 |
|
CX01 | Expiry of patent term |