KR20050006571A - 휴대폰의 고주파 수신회로 - Google Patents
휴대폰의 고주파 수신회로 Download PDFInfo
- Publication number
- KR20050006571A KR20050006571A KR1020030046447A KR20030046447A KR20050006571A KR 20050006571 A KR20050006571 A KR 20050006571A KR 1020030046447 A KR1020030046447 A KR 1020030046447A KR 20030046447 A KR20030046447 A KR 20030046447A KR 20050006571 A KR20050006571 A KR 20050006571A
- Authority
- KR
- South Korea
- Prior art keywords
- cdma signal
- high frequency
- power
- terminal
- frequency matching
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/35—Constructional details or hardware or software details of the signal processing chain
- G01S19/36—Constructional details or hardware or software details of the signal processing chain relating to the receiver frond end
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3805—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving with built-in auxiliary receivers
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Mobile Radio Communication Systems (AREA)
- Noise Elimination (AREA)
- Structure Of Receivers (AREA)
Abstract
Description
Claims (4)
- CDMA 신호의 파워 레벨에 따라 그 CDMA신호를 제1고주파 매칭단(42) 또는 제2고주파 매칭단(43)으로 절환하는 스위치(41)와; 상기 CDMA 신호의 파워 세기가 기준치보다 작을 때 그 CDMA 신호의 파워를 감소시키지 않고 그대로 매칭시키기 위한 제1고주파 매칭단(42)과; 상기 CDMA 신호의 파워 세기가 기준치보다 클 때 그 CDMA 신호의 파워를 소정 수준으로 감소시켜 매칭시키기 위한 제2고주파 매칭단(43)과; 상기 제1고주파 매칭단(42) 또는 제2고주파 매칭단(43)을 통해 입력되는 CDMA 신호를 저잡음 증폭하는 저잡음 증폭기(44)로 구성한 것을 특징으로 하는 휴대폰의 고주파 수신회로.
- 제1항에 있어서, 기준 파워는 CDMA 신호가 단말기 GPS 성능에 영향을 줄 수 있는 정도의 파워의 세기인 것을 특징으로 하는 휴대폰의 고주파 수신회로.
- 제1항에 있어서, 제1고주파 매칭단(42)은 상기 스위치(41)의 일측 고정단자를 콘덴서(C53)를 통해 접지 콘덴서(C54)에 접속하고, 그 접속점을 코일(L52) 및 저항(R51)을 연속적으로 통해 저잡음 증폭기(44)의 입력단에 접속하여 구성된 것을 특징으로 하는 휴대폰의 고주파 수신회로.
- 제1항에 있어서, 제1고주파 매칭단(42)은 상기 스위치(41)의 일측 고정단자를 소정의 특성 임피던스 값을 갖는 피씨비 라인(PCB_L)과 콘덴서(C53)를 연속적으로 통해 접지 콘덴서(C54)에 접속하고, 그 접속점을 코일(L52) 및 저항(R51)을 연속적으로 통해 저잡음 증폭기(44)의 입력단에 접속하여 구성된 것을 특징으로 하는 휴대폰의 고주파 수신회로.
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2003-0046447A KR100531879B1 (ko) | 2003-07-09 | 2003-07-09 | 휴대폰의 고주파 수신회로 |
CNB2003101230089A CN100384091C (zh) | 2003-07-09 | 2003-12-23 | 手机的射频接收电路 |
PT04015396T PT1496619E (pt) | 2003-07-09 | 2004-06-30 | Dispositivo e método de recepção de rádio frequência de um terminal de comunicação móvel |
ES04015396T ES2276195T3 (es) | 2003-07-09 | 2004-06-30 | Aparato receptor de radiofrecuencia y procedimiento de terminal de comunicacion movil. |
DE602004003431T DE602004003431T2 (de) | 2003-07-09 | 2004-06-30 | RF Verfahren und Empfänger eines Mobilfunk-Endgerätes |
EP04015396A EP1496619B1 (en) | 2003-07-09 | 2004-06-30 | Radio frequency receiving apparatus and method of mobile communication terminal |
AT04015396T ATE347193T1 (de) | 2003-07-09 | 2004-06-30 | Rf verfahren und empfänger eines mobilfunk- endgerätes |
JP2004201136A JP3989922B2 (ja) | 2003-07-09 | 2004-07-07 | 移動通信端末機の高周波受信装置及びその方法 |
CNB2004100552342A CN100370693C (zh) | 2003-07-09 | 2004-07-09 | 移动通信终端的射频接收装置和方法 |
US10/888,174 US7313413B2 (en) | 2003-07-09 | 2004-07-09 | Radio frequency receiving apparatus and method of mobile communication terminal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2003-0046447A KR100531879B1 (ko) | 2003-07-09 | 2003-07-09 | 휴대폰의 고주파 수신회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050006571A true KR20050006571A (ko) | 2005-01-17 |
KR100531879B1 KR100531879B1 (ko) | 2005-11-29 |
Family
ID=33448369
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2003-0046447A KR100531879B1 (ko) | 2003-07-09 | 2003-07-09 | 휴대폰의 고주파 수신회로 |
Country Status (9)
Country | Link |
---|---|
US (1) | US7313413B2 (ko) |
EP (1) | EP1496619B1 (ko) |
JP (1) | JP3989922B2 (ko) |
KR (1) | KR100531879B1 (ko) |
CN (2) | CN100384091C (ko) |
AT (1) | ATE347193T1 (ko) |
DE (1) | DE602004003431T2 (ko) |
ES (1) | ES2276195T3 (ko) |
PT (1) | PT1496619E (ko) |
Cited By (2)
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KR20110132023A (ko) * | 2010-06-01 | 2011-12-07 | 삼성전자주식회사 | 휴대용 단말기의 전력 증폭 장치 및 방법 |
WO2022213680A1 (zh) * | 2021-04-08 | 2022-10-13 | 青岛歌尔智能传感器有限公司 | 消除对gps信号干扰的方法、装置、移动终端及存储介质 |
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US7848741B2 (en) | 2003-12-30 | 2010-12-07 | Kivekaes Kalle | Method and system for interference detection |
US7643811B2 (en) * | 2004-05-26 | 2010-01-05 | Nokia Corporation | Method and system for interference detection |
US7634290B2 (en) * | 2005-05-31 | 2009-12-15 | Vixs Systems, Inc. | Adjusting transmit power of a wireless communication device |
US9160464B2 (en) * | 2005-09-19 | 2015-10-13 | Nokia Technologies Oy | Operating multi-service receiver in non-interfering manner |
KR100726260B1 (ko) * | 2006-08-07 | 2007-06-08 | 삼성전자주식회사 | 통신 장치의 정합 제어 장치 및 방법 |
CN101873148B (zh) * | 2009-04-23 | 2013-09-18 | 鸿富锦精密工业(深圳)有限公司 | 射频模块及应用该射频模块的无线通信装置 |
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CN104678407B (zh) * | 2015-02-16 | 2017-06-20 | 络达科技股份有限公司 | 用以降低谐波干扰gps信号接收的装置及方法 |
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EP3321709A1 (en) * | 2016-11-11 | 2018-05-16 | Fraunhofer Gesellschaft zur Förderung der Angewand | User equipment localization in a mobile communication network based on delays and path strengths |
CN109067449B (zh) * | 2018-05-28 | 2021-08-03 | 成都市精准时空科技有限公司 | 一种具有多天线线路的多模卫星通信终端及方法 |
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CN110933838B (zh) * | 2019-12-05 | 2021-01-05 | 捷开通讯(深圳)有限公司 | 射频电路及其线路版图结构 |
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-
2003
- 2003-07-09 KR KR10-2003-0046447A patent/KR100531879B1/ko not_active IP Right Cessation
- 2003-12-23 CN CNB2003101230089A patent/CN100384091C/zh not_active Expired - Fee Related
-
2004
- 2004-06-30 ES ES04015396T patent/ES2276195T3/es not_active Expired - Lifetime
- 2004-06-30 AT AT04015396T patent/ATE347193T1/de active
- 2004-06-30 EP EP04015396A patent/EP1496619B1/en not_active Expired - Lifetime
- 2004-06-30 DE DE602004003431T patent/DE602004003431T2/de not_active Expired - Lifetime
- 2004-06-30 PT PT04015396T patent/PT1496619E/pt unknown
- 2004-07-07 JP JP2004201136A patent/JP3989922B2/ja not_active Expired - Fee Related
- 2004-07-09 US US10/888,174 patent/US7313413B2/en not_active Expired - Fee Related
- 2004-07-09 CN CNB2004100552342A patent/CN100370693C/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20110132023A (ko) * | 2010-06-01 | 2011-12-07 | 삼성전자주식회사 | 휴대용 단말기의 전력 증폭 장치 및 방법 |
WO2022213680A1 (zh) * | 2021-04-08 | 2022-10-13 | 青岛歌尔智能传感器有限公司 | 消除对gps信号干扰的方法、装置、移动终端及存储介质 |
Also Published As
Publication number | Publication date |
---|---|
JP2005033803A (ja) | 2005-02-03 |
JP3989922B2 (ja) | 2007-10-10 |
US7313413B2 (en) | 2007-12-25 |
US20050009482A1 (en) | 2005-01-13 |
PT1496619E (pt) | 2007-02-28 |
CN1578166A (zh) | 2005-02-09 |
EP1496619A1 (en) | 2005-01-12 |
KR100531879B1 (ko) | 2005-11-29 |
ES2276195T3 (es) | 2007-06-16 |
DE602004003431D1 (de) | 2007-01-11 |
CN100384091C (zh) | 2008-04-23 |
CN1578169A (zh) | 2005-02-09 |
ATE347193T1 (de) | 2006-12-15 |
EP1496619B1 (en) | 2006-11-29 |
CN100370693C (zh) | 2008-02-20 |
DE602004003431T2 (de) | 2007-03-15 |
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