KR100790699B1 - 듀플렉서 - Google Patents
듀플렉서 Download PDFInfo
- Publication number
- KR100790699B1 KR100790699B1 KR1020060086237A KR20060086237A KR100790699B1 KR 100790699 B1 KR100790699 B1 KR 100790699B1 KR 1020060086237 A KR1020060086237 A KR 1020060086237A KR 20060086237 A KR20060086237 A KR 20060086237A KR 100790699 B1 KR100790699 B1 KR 100790699B1
- Authority
- KR
- South Korea
- Prior art keywords
- filter
- duplexer
- signal
- receiving
- antenna
- Prior art date
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Classifications
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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
- H03H9/70—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
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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
- H03H9/0004—Impedance-matching networks
-
- 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
-
- 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
- H03H9/6483—Ladder SAW filters
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- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Abstract
Description
Claims (4)
- 송신단으로부터의 송신신호를 안테나로 통과시키는 송신용 필터;상기 안테나로부터의 수신신호를 필터링하여 밸런스 형태의 신호를 상기 수신단으로 제공하는 밸런스형 DMS(Double Mode Saw) 필터로 이루어진 수신용 필터;상기 안테나와 상기 수신용 필터 사이에 연결되며, 상기 수신용 필터와의 합성 임피던스를 증가시켜 상기 송신신호가 상기 수신단으로 유입되는 것을 차단하는 SAW 공진기; 및상기 안테나와 접지 사이에 연결되어 상기 안테나와 상기 수신단 및 상기 송신단 사이의 임피던스를 매칭하는 임피던스 매칭부를 포함하는 듀플렉서.
- 삭제
- 삭제
- 제1항에 있어서, 상기 송신용 필터는,T형 래더 타입 필터인 것을 특징으로 하는 듀플렉서.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060086237A KR100790699B1 (ko) | 2006-09-07 | 2006-09-07 | 듀플렉서 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060086237A KR100790699B1 (ko) | 2006-09-07 | 2006-09-07 | 듀플렉서 |
Publications (1)
Publication Number | Publication Date |
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KR100790699B1 true KR100790699B1 (ko) | 2008-01-02 |
Family
ID=39216337
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020060086237A KR100790699B1 (ko) | 2006-09-07 | 2006-09-07 | 듀플렉서 |
Country Status (1)
Country | Link |
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KR (1) | KR100790699B1 (ko) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20120009602A (ko) * | 2010-07-19 | 2012-02-02 | 삼성전자주식회사 | Bawr을 이용한 밸런스 구조의 rf 듀플렉서 및 rf 필터 |
KR20160057547A (ko) | 2014-11-13 | 2016-05-24 | (주)와이솔 | Saw 필터 |
CN109713407A (zh) * | 2018-11-28 | 2019-05-03 | 天津大学 | 一种梯形结构双工器及改善双工器隔离度的方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003249842A (ja) | 2001-12-21 | 2003-09-05 | Fujitsu Media Device Kk | 分波器及びこれを用いた電子装置 |
JP2003332885A (ja) | 2002-05-16 | 2003-11-21 | Murata Mfg Co Ltd | 弾性表面波分波器およびそれを有する通信装置 |
KR20040092491A (ko) * | 2003-04-25 | 2004-11-03 | 후지쓰 메디아 데바이스 가부시키가이샤 | 분파기 |
KR20050081740A (ko) * | 2004-02-16 | 2005-08-19 | 엘지이노텍 주식회사 | 듀플렉서 |
-
2006
- 2006-09-07 KR KR1020060086237A patent/KR100790699B1/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003249842A (ja) | 2001-12-21 | 2003-09-05 | Fujitsu Media Device Kk | 分波器及びこれを用いた電子装置 |
JP2003332885A (ja) | 2002-05-16 | 2003-11-21 | Murata Mfg Co Ltd | 弾性表面波分波器およびそれを有する通信装置 |
KR20040092491A (ko) * | 2003-04-25 | 2004-11-03 | 후지쓰 메디아 데바이스 가부시키가이샤 | 분파기 |
KR20050081740A (ko) * | 2004-02-16 | 2005-08-19 | 엘지이노텍 주식회사 | 듀플렉서 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20120009602A (ko) * | 2010-07-19 | 2012-02-02 | 삼성전자주식회사 | Bawr을 이용한 밸런스 구조의 rf 듀플렉서 및 rf 필터 |
KR101719325B1 (ko) | 2010-07-19 | 2017-03-23 | 삼성전자주식회사 | Bawr을 이용한 밸런스 구조의 rf 듀플렉서 및 rf 필터 |
KR20160057547A (ko) | 2014-11-13 | 2016-05-24 | (주)와이솔 | Saw 필터 |
CN109713407A (zh) * | 2018-11-28 | 2019-05-03 | 天津大学 | 一种梯形结构双工器及改善双工器隔离度的方法 |
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