KR100753319B1 - 분파기 - Google Patents
분파기 Download PDFInfo
- Publication number
- KR100753319B1 KR100753319B1 KR1020050103776A KR20050103776A KR100753319B1 KR 100753319 B1 KR100753319 B1 KR 100753319B1 KR 1020050103776 A KR1020050103776 A KR 1020050103776A KR 20050103776 A KR20050103776 A KR 20050103776A KR 100753319 B1 KR100753319 B1 KR 100753319B1
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- South Korea
- Prior art keywords
- filter
- transmission
- reception
- circuit
- splitter
- Prior art date
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- 239000000758 substrate Substances 0.000 claims abstract description 105
- 230000005540 biological transmission Effects 0.000 claims abstract description 72
- 239000003990 capacitor Substances 0.000 claims abstract description 44
- 239000012212 insulator Substances 0.000 claims abstract description 33
- 238000010897 surface acoustic wave method Methods 0.000 claims description 40
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 20
- 239000010453 quartz Substances 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 10
- 239000011521 glass Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 2
- 230000006378 damage Effects 0.000 claims 1
- 238000002955 isolation Methods 0.000 abstract description 8
- 238000003780 insertion Methods 0.000 abstract description 6
- 230000037431 insertion Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 11
- 230000008878 coupling Effects 0.000 description 8
- 238000010168 coupling process Methods 0.000 description 8
- 238000005859 coupling reaction Methods 0.000 description 8
- 239000000919 ceramic Substances 0.000 description 7
- 230000004048 modification Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 6
- 239000002184 metal Substances 0.000 description 5
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
Images
Classifications
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- 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
- H03H3/02—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 piezoelectric or electrostrictive resonators or networks
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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
- H03H9/02—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
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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
-
- 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
- H03H2009/0019—Surface acoustic wave multichip
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- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Abstract
Description
Claims (14)
- 공통 단자에 접속되는 송신용 필터 및 수신용 필터와, 그 송신용 필터 및 수신용 필터 중 적어도 한 쪽에 접속되는 리액턴스 회로를 구비하고,상기 리액턴스 회로는, 절연체 기판과 그 절연체 기판의 표면에 직접 형성된 집중 상수형의 복수의 인덕터와 적어도 하나의 캐패시터를 포함해서 상기 집중 상수형의 인덕터 또는 상기 적어도 하나의 캐패시터의 전극중 하나의 패터닝된 도전성 부재가 상기 절연체 기판의 표면에 직접 형성되며,상기 절연체 기판은 글래스, 석영 및 석영 글래스 중 하나로 만들어지는 것을 특징으로 하는 분파기.
- 공통 단자에 접속되는 송신용 필터 및 수신용 필터와, 그 송신용 필터 및 수신용 필터 중 적어도 한 쪽에 접속되는 위상 정합용의 리액턴스 회로를 구비하고,상기 리액턴스 회로는, 절연체 기판과 그 절연체 기판의 표면에 직접 형성된 집중 상수형의 인덕터 및 캐패시터 중 적어도 한 쪽을 포함하고, 상기 리액턴스 회로와는 별도로, 상기 송신용 필터 및 수신용 필터 중 적어도 한 쪽에 설치되는 인덕터도 상기 절연체 기판의 표면에 직접 형성되어 있고,상기 절연체 기판은 글래스, 석영 및 석영 글래스 중 하나로 만들어지는 것을 특징으로 하는 분파기.
- 삭제
- 제1항 또는 제2항에 있어서,상기 인덕터는, 상기 절연체 기판의 표면에 형성된 도체 패턴을 포함하는 것을 특징으로 하는 분파기.
- 제1항 또는 제2항에 있어서,상기 리액턴스 회로는, 상기 공통 단자와 상기 수신용 필터 사이 및/또는 수신용 필터와 수신 단자 사이에 설치되어 있는 것을 특징으로 하는 분파기.
- 제1항 또는 제2항에 있어서,상기 리액턴스 회로는, 상기 공통 단자와 상기 수신용 필터 사이 및/또는 수신용 필터와 수신 단자 사이에 설치되고, 상기 인덕터와 캐패시터의 양쪽을 포함하여 구성되는 제1 회로와, 공통 단자와 상기 송신용 필터 및 수신용 필터 사이, 상기 수신용 필터와 수신 단자 사이, 및 상기 송신용 필터와 송신 단자 사이 중 어느 하나에 적어도 설치되고, 또한 상기 인덕터와 캐패시터 중 어느 한 쪽을 적어도 포함하여 구성되는 제2 회로를 구비하는 것을 특징으로 하는 분파기.
- 제1항 또는 제2항에 있어서,상기 분파기는, 상기 송신용 필터, 상기 수신용 필터 및 상기 절연체 기판을 캐비티 내에 수용하는 패키지와, 상기 캐비티를 밀봉하는 리드를 포함하는 것을 특 징으로 하는 분파기.
- 제1항 또는 제2항에 있어서,상기 송신용 필터는, 제1 압전 기판과, 그 위에 형성된 인터디지털 트랜스듀서를 포함하고, 상기 수신용 필터는, 제2 압전 기판과, 그 위에 형성된 인터디지털 트랜스듀서를 포함하는 것을 특징으로 하는 분파기.
- 제1항 또는 제2항에 있어서,상기 송신용 필터는, 압전 기판과, 그 위에 형성된 인터디지털 트랜스듀서를 포함하고, 상기 수신용 필터는, 상기 압전 기판과, 그 위에 형성된 인터디지털 트랜스듀서를 포함하는 것을 특징으로 하는 분파기.
- 삭제
- 삭제
- 삭제
- 제1항 또는 제2항에 있어서,상기 송신용 필터 및 상기 수신용 필터는 탄성 표면파 필터인 것을 특징으로 하는 분파기.
- 제1항 또는 제2항에 있어서,상기 송신용 필터는 래더형 탄성 표면파 필터이고, 상기 수신용 필터는 다중 모드형 탄성 표면파 필터인 것을 특징으로 하는 분파기.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2004-00319897 | 2004-11-02 | ||
JP2004319897A JP2006135447A (ja) | 2004-11-02 | 2004-11-02 | 分波器 |
Publications (2)
Publication Number | Publication Date |
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KR20060052387A KR20060052387A (ko) | 2006-05-19 |
KR100753319B1 true KR100753319B1 (ko) | 2007-08-29 |
Family
ID=35840077
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020050103776A KR100753319B1 (ko) | 2004-11-02 | 2005-11-01 | 분파기 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7479846B2 (ko) |
EP (1) | EP1653615A1 (ko) |
JP (1) | JP2006135447A (ko) |
KR (1) | KR100753319B1 (ko) |
CN (1) | CN100444521C (ko) |
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-
2004
- 2004-11-02 JP JP2004319897A patent/JP2006135447A/ja active Pending
-
2005
- 2005-10-19 EP EP05256470A patent/EP1653615A1/en not_active Withdrawn
- 2005-11-01 KR KR1020050103776A patent/KR100753319B1/ko active IP Right Grant
- 2005-11-01 US US11/262,765 patent/US7479846B2/en active Active
- 2005-11-02 CN CNB2005101174887A patent/CN100444521C/zh not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2004228911A (ja) * | 2003-01-22 | 2004-08-12 | Tdk Corp | 分波器 |
Also Published As
Publication number | Publication date |
---|---|
KR20060052387A (ko) | 2006-05-19 |
US20060091977A1 (en) | 2006-05-04 |
EP1653615A1 (en) | 2006-05-03 |
US7479846B2 (en) | 2009-01-20 |
CN100444521C (zh) | 2008-12-17 |
CN1770628A (zh) | 2006-05-10 |
JP2006135447A (ja) | 2006-05-25 |
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