KR970077978A - 모노리틱 쏘 듀플렉서 - Google Patents
모노리틱 쏘 듀플렉서 Download PDFInfo
- Publication number
- KR970077978A KR970077978A KR1019960015427A KR19960015427A KR970077978A KR 970077978 A KR970077978 A KR 970077978A KR 1019960015427 A KR1019960015427 A KR 1019960015427A KR 19960015427 A KR19960015427 A KR 19960015427A KR 970077978 A KR970077978 A KR 970077978A
- Authority
- KR
- South Korea
- Prior art keywords
- bonding pad
- saw duplexer
- antenna
- saw
- monolithic
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
- H03H3/007—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
- H03H3/08—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of resonators or networks 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
- H03H9/70—Multiple-port networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
- H03H9/72—Networks using surface acoustic waves
- H03H9/725—Duplexers
-
- 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
- H03H9/0566—Constructional combinations of supports or holders with electromechanical or other electronic elements for duplexers
- H03H9/0576—Constructional combinations of supports or holders with electromechanical or other electronic elements for duplexers including surface acoustic wave [SAW] devices
-
- 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
- H03H9/72—Networks using surface acoustic waves
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
- Transceivers (AREA)
Abstract
본 발명은 모노리틱 쏘 듀플렉서(Monolithic SAW Duplexer)에 관한 것으로, 특히 고주파 신호를 송신하고 수신하는 장치에 포함되는 쏘 듀플렉서를 단일 공정에 의해 단일 칩으로 형성시키고, 송신 신호와 수신 신호, 즉 입/출력간의 신호 분리 특성을 개선하도록 하는 모노리틱 쏘 듀플렉서에 관한 것이다.
본 발명은 고주파 신호를 송신하고 수신하는 장치에 포함되는 쏘 듀플렉서를 단일 공정에 대해 단일 칩으로 형성시킴에 의해서, 제조 공정이 간단해지고, 원가가 절감될 뿐 아니라 이동 통신 등에 부합되는 소형화가 가능하며 신호 분리 특성이 개선으로 인하여 적용 제품의 기능을 향상시키는 등과 같은 효과가 있는 것이다.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제 2 도는 본 발명에 따른 쏘 듀플렉서에 대한 1 실시예를 보이는 회로도, 제 3 도는 본 발명에 따른 쏘 듀플렉서에 대한 2 실시예를 보이는 회로도.
Claims (2)
- 압전 기판(100) 상에 송신 본딩패드(110), 안테나 본딩패드(140), 수신 본딩패드(170) 및 접지 본딩패드(180)가 각각 형성되고, 상기 송신 본딩패드(110)와 안테나 본딩패드(140) 사이에 금속선 패턴(105)을 통해 송신용 쏘필터(120)와 스트립선(130)이 구성되며, 상기 안테나 본딩패드(140)와 수신 본딩패드(170) 사이에 금속선 패턴(105)을 통해 수신용 쏘필터(160)가 구성되고, 또한 접지 본딩패드(180)가 금속 패드(190)를 통해서 상기 쏘필터(120, 160)에 각각 접속 형성되고, 반사파를 흡수하는 흡음재(101∼104)가 형성되는 쏘 듀플렉서에 있어서, 상기 안테나 본딩패드(140)와 수신용 쏘필터(160) 사이에 송신파 차단용 쏘필터(150)를 구비함을 특징으로 하는 모노리틱 쏘 듀플렉서.
- 제 1 항에 있어서, 상기 쏘 듀플렉서를 단일 공정을 통해서 단일 칩으로 구성하는 것을 특징으로 하는 모노리틱 쏘 듀플렉서.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960015427A KR100213372B1 (ko) | 1996-05-10 | 1996-05-10 | 모노리틱 쏘 듀플렉서 |
US08/761,861 US5864260A (en) | 1996-05-10 | 1996-12-09 | Monolithic saw duplexer |
JP8341112A JPH09307399A (ja) | 1996-05-10 | 1996-12-20 | モノリシック表面弾性波デュプレクサおよびその製造方法 |
CN96114052A CN1165431A (zh) | 1996-05-10 | 1996-12-31 | 单片表面声波双工器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960015427A KR100213372B1 (ko) | 1996-05-10 | 1996-05-10 | 모노리틱 쏘 듀플렉서 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR970077978A true KR970077978A (ko) | 1997-12-12 |
KR100213372B1 KR100213372B1 (ko) | 1999-08-02 |
Family
ID=19458292
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019960015427A KR100213372B1 (ko) | 1996-05-10 | 1996-05-10 | 모노리틱 쏘 듀플렉서 |
Country Status (4)
Country | Link |
---|---|
US (1) | US5864260A (ko) |
JP (1) | JPH09307399A (ko) |
KR (1) | KR100213372B1 (ko) |
CN (1) | CN1165431A (ko) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19719467C2 (de) * | 1997-05-07 | 1999-08-19 | Siemens Matsushita Components | OFW-Duplexer |
US6222426B1 (en) * | 1998-06-09 | 2001-04-24 | Oki Electric Industry, Co., Ltd. | Branching filter with a composite circuit of an LC circuit and a serial arm saw resonator |
US6937113B2 (en) * | 1998-06-09 | 2005-08-30 | Oki Electric Industry Co., Ltd. | Branching filter package |
JP2000059176A (ja) * | 1998-08-06 | 2000-02-25 | Toshiba Corp | 弾性表面波素子 |
JP3484090B2 (ja) * | 1998-12-22 | 2004-01-06 | 株式会社日立製作所 | スイッチ型アンテナ共用器および移動無線端末 |
GB2346049A (en) | 1999-01-19 | 2000-07-26 | Roke Manor Research | Duplex filtering |
JP2000286675A (ja) * | 1999-03-29 | 2000-10-13 | Sanyo Electric Co Ltd | 弾性表面波フィルター装置及びこれを具えた携帯電話機 |
JP3403669B2 (ja) * | 1999-06-04 | 2003-05-06 | 富士通株式会社 | アンテナ分波器 |
DE19962028A1 (de) * | 1999-12-22 | 2001-06-28 | Philips Corp Intellectual Pty | Filteranordnung |
JP3729081B2 (ja) | 2000-06-27 | 2005-12-21 | 株式会社村田製作所 | 弾性表面波装置 |
JP3648462B2 (ja) * | 2001-04-27 | 2005-05-18 | 沖電気工業株式会社 | 弾性表面波分波器 |
JP3900013B2 (ja) * | 2001-07-30 | 2007-04-04 | 株式会社村田製作所 | 弾性表面波分波器、通信装置 |
US6765456B2 (en) * | 2001-12-17 | 2004-07-20 | Oki Electric Industry Co., Ltd. | Surface acoustic wave duplexer and portable communication device using the same |
US7373171B2 (en) * | 2003-02-14 | 2008-05-13 | Tdk Corporation | Front end module |
JP3752230B2 (ja) * | 2003-02-14 | 2006-03-08 | Tdk株式会社 | フロントエンドモジュール |
JP3853303B2 (ja) * | 2003-04-28 | 2006-12-06 | 富士通メディアデバイス株式会社 | 分波器 |
WO2005011114A1 (ja) * | 2003-07-29 | 2005-02-03 | Matsushita Electric Industrial Co., Ltd. | 弾性表面波デバイス |
KR100565799B1 (ko) * | 2003-12-22 | 2006-03-29 | 삼성전자주식회사 | 일체화된 FBAR 및 Isolation부를 사용하여제조된 듀플렉서 및 그 제조 방법 |
US7196594B2 (en) * | 2004-01-29 | 2007-03-27 | Triquint, Inc. | Surface acoustic wave duplexer having enhanced isolation performance |
US7301421B2 (en) * | 2004-06-28 | 2007-11-27 | Kyocera Corporation | Surface acoustic wave device, manufacturing method therefor, and communications equipment |
JP4303178B2 (ja) * | 2004-08-31 | 2009-07-29 | 富士通メディアデバイス株式会社 | 弾性表面波装置 |
JP2006311041A (ja) * | 2005-04-27 | 2006-11-09 | Matsushita Electric Ind Co Ltd | アンテナ共用器 |
JP5510695B1 (ja) * | 2012-09-25 | 2014-06-04 | 株式会社村田製作所 | 弾性波装置及びその製造方法 |
US10141956B2 (en) | 2014-12-16 | 2018-11-27 | Eagantu, Ltd. | Device for bi-directional and multi-band RF communication over single resonant transmission line and method of its realization |
EP3093991A1 (en) * | 2015-05-12 | 2016-11-16 | Services Pétroliers Schlumberger | A filter subsystem |
US10469056B2 (en) * | 2015-08-25 | 2019-11-05 | Avago Technologies International Sales Pte. Limited | Acoustic filters integrated into single die |
US10358340B2 (en) | 2016-04-28 | 2019-07-23 | Globalfoundries Singapore Pte. Ltd. | Integrated circuits having shielded MEMS devices and methods for fabricating shielded MEMS devices |
WO2017221953A1 (ja) | 2016-06-21 | 2017-12-28 | 株式会社村田製作所 | 弾性波デバイス |
US11811390B2 (en) | 2019-05-06 | 2023-11-07 | Globalfoundries Singapore Pte. Ltd. | Resonator devices and methods of fabricating resonator devices |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS5622363A (en) * | 1979-08-02 | 1981-03-02 | Mitsui Toatsu Chem Inc | Polyurethane elastic cover material |
JPS5784607A (en) * | 1980-11-17 | 1982-05-27 | Toshiba Corp | Surface acoustic wave device |
JPS6170813A (ja) * | 1984-09-14 | 1986-04-11 | Hitachi Ltd | 弾性表面波分波器 |
US4792939A (en) * | 1986-01-24 | 1988-12-20 | Hitachi Denshi Kabushiki Kaisha | Duplex radio communication transceiver |
US5202652A (en) * | 1989-10-13 | 1993-04-13 | Hitachi, Ltd. | Surface acoustic wave filter device formed on a plurality of piezoelectric substrates |
JPH03145320A (ja) * | 1989-10-31 | 1991-06-20 | Sanyo Electric Co Ltd | 弾性表面波装置 |
JPH0465910A (ja) * | 1990-07-02 | 1992-03-02 | Seiko Epson Corp | 弾性表面波素子の振動漏れ防止構造 |
FI88565C (fi) * | 1990-07-06 | 1993-05-25 | Lk Products Oy | Foerfarande foer att foerbaettra spaerrdaempning av ett radiofrekvensfilter |
JP3388475B2 (ja) * | 1991-12-16 | 2003-03-24 | 富士通株式会社 | 分波器 |
JPH05299969A (ja) * | 1992-04-17 | 1993-11-12 | Toshiba Corp | 弾性表面波フィルタ装置 |
JPH066111A (ja) * | 1992-06-18 | 1994-01-14 | Mitsubishi Electric Corp | 複合デュプレックスフィルタ |
JPH07115346A (ja) * | 1993-10-15 | 1995-05-02 | Ngk Insulators Ltd | 弾性表面波フィルタ装置 |
US5632909A (en) * | 1995-06-19 | 1997-05-27 | Motorola, Inc. | Filter |
-
1996
- 1996-05-10 KR KR1019960015427A patent/KR100213372B1/ko not_active IP Right Cessation
- 1996-12-09 US US08/761,861 patent/US5864260A/en not_active Expired - Fee Related
- 1996-12-20 JP JP8341112A patent/JPH09307399A/ja active Pending
- 1996-12-31 CN CN96114052A patent/CN1165431A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
CN1165431A (zh) | 1997-11-19 |
KR100213372B1 (ko) | 1999-08-02 |
JPH09307399A (ja) | 1997-11-28 |
US5864260A (en) | 1999-01-26 |
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