KR20050068125A - 인버터를 이용한 saw 듀플렉서 모듈 - Google Patents
인버터를 이용한 saw 듀플렉서 모듈 Download PDFInfo
- Publication number
- KR20050068125A KR20050068125A KR1020030099181A KR20030099181A KR20050068125A KR 20050068125 A KR20050068125 A KR 20050068125A KR 1020030099181 A KR1020030099181 A KR 1020030099181A KR 20030099181 A KR20030099181 A KR 20030099181A KR 20050068125 A KR20050068125 A KR 20050068125A
- Authority
- KR
- South Korea
- Prior art keywords
- inverter
- module
- saw duplexer
- filter
- capacitor
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 239000003990 capacitor Substances 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 10
- 238000010295 mobile communication Methods 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; 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 elements; Electromechanical resonators
- H03H9/25—Constructional features of resonators 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 elements; 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
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Abstract
Description
Claims (4)
- PA 모듈에서 증폭된 신호를 안테나에 전송하기 위한 송신 필터와, 안테나로부터 전송된 신호를 수신하는 수신 필터와, 상기 안테나로부터의 상기 수신 필터로의 신호 수신시 수신 신호를 광대역 위상 변환시키는 인버터를 포함하고;상기 인버터를 통해 하나의 모듈로 구현할 수 있는 것을 특징으로 하는 인버터를 이용한 SAW 듀플렉서 모듈.
- 제 1 항에 있어서,상기 인버터는 상기 송신 필터 또는 수신 필터의 공진부의 커패시턴스와 같은 값을 갖는 제1 커패시터와; 상기 제1 커패시터의 양측에 직렬연결되고, 상기 커패시턴스와 같은 값이고 음의 부호 값을 갖는 제2 , 제3 커패시터의 π타입으로 구성되는 것을 특징으로 하는 SAW 듀플렉서 모듈.
- 제 1 항에 있어서,상기 인버터는 상기 송신 필터 또는 수신 필터의 공진부의 커패시턴스와 같은 값을 갖는 제1 커패시터와; 상기 제1 커패시터에 병렬연결되고, 상기 커패시턴스와 같은 값이고 음의 부호 값을 갖는 제2 , 제3 커패시터의 T타입으로 구성되는 것을 특징으로 하는 SAW 듀플렉서 모듈.
- 제 1 항에 있어서,상기 인버터는 상기 수신필터 내에 포함되는 것을 특징으로 하는 SAW 듀플렉서 모듈.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030099181A KR101034097B1 (ko) | 2003-12-29 | 2003-12-29 | 인버터를 이용한 saw 듀플렉서 모듈 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030099181A KR101034097B1 (ko) | 2003-12-29 | 2003-12-29 | 인버터를 이용한 saw 듀플렉서 모듈 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050068125A true KR20050068125A (ko) | 2005-07-05 |
KR101034097B1 KR101034097B1 (ko) | 2011-05-13 |
Family
ID=37258726
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020030099181A KR101034097B1 (ko) | 2003-12-29 | 2003-12-29 | 인버터를 이용한 saw 듀플렉서 모듈 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR101034097B1 (ko) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19719467C2 (de) * | 1997-05-07 | 1999-08-19 | Siemens Matsushita Components | OFW-Duplexer |
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 |
KR20030067901A (ko) * | 2002-02-08 | 2003-08-19 | 텔레포스 주식회사 | Saw 듀플렉서 |
-
2003
- 2003-12-29 KR KR1020030099181A patent/KR101034097B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
KR101034097B1 (ko) | 2011-05-13 |
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