KR100533641B1 - 필터링 커플러를 갖는 듀얼밴드 송신기 - Google Patents
필터링 커플러를 갖는 듀얼밴드 송신기 Download PDFInfo
- Publication number
- KR100533641B1 KR100533641B1 KR10-2004-0014668A KR20040014668A KR100533641B1 KR 100533641 B1 KR100533641 B1 KR 100533641B1 KR 20040014668 A KR20040014668 A KR 20040014668A KR 100533641 B1 KR100533641 B1 KR 100533641B1
- Authority
- KR
- South Korea
- Prior art keywords
- signal
- amplifier
- coupler
- filter
- band
- Prior art date
Links
- 230000009977 dual effect Effects 0.000 title claims abstract description 35
- 238000001914 filtration Methods 0.000 title claims abstract description 28
- 230000008878 coupling Effects 0.000 claims abstract description 50
- 238000010168 coupling process Methods 0.000 claims abstract description 50
- 238000005859 coupling reaction Methods 0.000 claims abstract description 50
- 239000003990 capacitor Substances 0.000 claims abstract description 37
- 230000003321 amplification Effects 0.000 claims abstract description 28
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 28
- 238000000034 method Methods 0.000 claims description 13
- 238000010295 mobile communication Methods 0.000 claims description 7
- 238000002955 isolation Methods 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- 230000010354 integration Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B1/0458—Arrangements for matching and coupling between power amplifier and antenna or between amplifying stages
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/02—Methods or installations for obtaining or collecting drinking water or tap water from rain-water
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
-
- 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
- H04B1/005—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0053—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
- H04B1/006—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using switches for selecting the desired band
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B1/00—Methods or layout of installations for water supply
- E03B1/04—Methods or layout of installations for water supply for domestic or like local supply
- E03B1/041—Greywater supply systems
- E03B2001/047—Greywater supply systems using rainwater
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
- Transmitters (AREA)
Abstract
Description
Claims (2)
- 듀얼밴드 이동통신 단말기에 적용되는 듀얼밴드 송신기에 있어서,바이어스 전압에 따라 결정되는 증폭율로, 고역인 제1 밴드신호(BS1)의 전력을 증폭하는 제1 RF 증폭부(111);바이어스 전압에 따라 결정되는 증폭율로, 저역인 제2 밴드신호(BS2)의 전력을 증폭하는 제2 RF 증폭부(121);상기 제1 RF 증폭부(111)의 출력신호중 일부신호를 커플링하는 제1 커플링 커패시터(C11);상기 제2 RF 증폭부(121)의 출력신호중 일부신호를 커플링하는 제2 커플링 커패시터(C21);상기 제1 커플링 커패시터(C11)를 통해 커플링된 신호를 고역 통과시키는 제1 필터(FT1)와, 상기 제2 커플링 커패시터(C21)를 통해 커플링된 신호를 저역 통과시키는 제2 필터(FT2)를 포함하는 필터링 커플러(140); 및상기 필터링 커플러(140)로부터의 신호의 크기와 사전에 설정된 기준값을 비교하여 그 차이에 따라 상기 제1 RF 증폭부(111) 또는 제2 RF 증폭부(121)의 바이어스 전압을 조절하여 각 증폭율을 제어하는 전력증폭 제어부(150)를 포함하는 것을 특징으로 하는 필터링 커플러를 갖는 듀얼밴드 송신기.
- 제1항에 있어서, 상기 제1 필터(FT1)는상기 제1 커플링 커패시터(C11)와 필터 출력단 사이에 커패시터와 인덕터로 고역 통과필터로 이루어지고,상기 제2 필터(FT2)는상기 제2 커플링 커패시터(C21)와 필터 출력단 사이에 커패시터와 인덕터로 저역 통과필터로 이루어진 것을 특징으로 하는 필터링 커플러를 갖는 듀얼밴드 송신기.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2004-0014668A KR100533641B1 (ko) | 2004-03-04 | 2004-03-04 | 필터링 커플러를 갖는 듀얼밴드 송신기 |
US10/849,230 US7505743B2 (en) | 2004-03-04 | 2004-05-20 | Dual band transmitter having filtering coupler |
TW093114475A TWI326526B (en) | 2004-03-04 | 2004-05-21 | Dual band transmitter having filtering coupler |
JP2004154683A JP3881349B2 (ja) | 2004-03-04 | 2004-05-25 | フィルタリングカプラを有するデュアルバンド送信器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2004-0014668A KR100533641B1 (ko) | 2004-03-04 | 2004-03-04 | 필터링 커플러를 갖는 듀얼밴드 송신기 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050089327A KR20050089327A (ko) | 2005-09-08 |
KR100533641B1 true KR100533641B1 (ko) | 2005-12-06 |
Family
ID=34910024
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2004-0014668A KR100533641B1 (ko) | 2004-03-04 | 2004-03-04 | 필터링 커플러를 갖는 듀얼밴드 송신기 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7505743B2 (ko) |
JP (1) | JP3881349B2 (ko) |
KR (1) | KR100533641B1 (ko) |
TW (1) | TWI326526B (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101017401B1 (ko) | 2009-06-23 | 2011-02-28 | (주)허드슨와이어리스 | 광대역 무선 통합장치 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7676239B1 (en) * | 2005-02-24 | 2010-03-09 | National Semiconductor Corporation | System and method for providing a power controller with flat amplitude and phase response |
WO2008015898A1 (en) * | 2006-08-02 | 2008-02-07 | Nec Corporation | Transmitter |
KR100819882B1 (ko) * | 2007-01-23 | 2008-04-08 | 삼성전자주식회사 | 듀얼 모드 듀얼 밴드 단말기의 대기 통화 방사 전력 제어방법 및 장치 |
US9231536B2 (en) * | 2011-07-24 | 2016-01-05 | Ethertronics, Inc. | Multi-mode multi-band self-realigning power amplifier |
KR102313729B1 (ko) | 2014-06-13 | 2021-10-18 | 삼성전자주식회사 | 근거리 무선 통신을 위한 송수신기, 근거리 무선 통신 장치 및 이를 포함하는 전자 시스템 |
KR102185066B1 (ko) * | 2015-01-06 | 2020-12-01 | 삼성전기주식회사 | 프론트 엔드 모듈 |
KR102060406B1 (ko) * | 2015-11-04 | 2019-12-30 | 가부시키가이샤 무라타 세이사쿠쇼 | 분파 장치 및 그 설계 방법 |
CN114051309A (zh) * | 2021-11-03 | 2022-02-15 | 北京航天广通科技有限公司分公司 | 一种粒子加速器射频功率和幅度的控制系统和方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5884149A (en) | 1997-02-13 | 1999-03-16 | Nokia Mobile Phones Limited | Mobile station having dual band RF detector and gain control |
US6125271A (en) | 1998-03-06 | 2000-09-26 | Conexant Systems, Inc. | Front end filter circuitry for a dual band GSM/DCS cellular phone |
WO2001067596A1 (en) | 2000-03-03 | 2001-09-13 | Tripath Technology, Inc. | Rf communication system using an rf digital amplifier |
-
2004
- 2004-03-04 KR KR10-2004-0014668A patent/KR100533641B1/ko active IP Right Grant
- 2004-05-20 US US10/849,230 patent/US7505743B2/en active Active
- 2004-05-21 TW TW093114475A patent/TWI326526B/zh not_active IP Right Cessation
- 2004-05-25 JP JP2004154683A patent/JP3881349B2/ja not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101017401B1 (ko) | 2009-06-23 | 2011-02-28 | (주)허드슨와이어리스 | 광대역 무선 통합장치 |
Also Published As
Publication number | Publication date |
---|---|
US7505743B2 (en) | 2009-03-17 |
KR20050089327A (ko) | 2005-09-08 |
JP2005253036A (ja) | 2005-09-15 |
US20050197153A1 (en) | 2005-09-08 |
JP3881349B2 (ja) | 2007-02-14 |
TW200531432A (en) | 2005-09-16 |
TWI326526B (en) | 2010-06-21 |
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