KR100349646B1 - 무선통신 시스템에서의 고조파 성분 억제를 위한 송신전단 장치 - Google Patents
무선통신 시스템에서의 고조파 성분 억제를 위한 송신전단 장치 Download PDFInfo
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- KR100349646B1 KR100349646B1 KR1020000075333A KR20000075333A KR100349646B1 KR 100349646 B1 KR100349646 B1 KR 100349646B1 KR 1020000075333 A KR1020000075333 A KR 1020000075333A KR 20000075333 A KR20000075333 A KR 20000075333A KR 100349646 B1 KR100349646 B1 KR 100349646B1
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- 238000004891 communication Methods 0.000 title claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 238000001914 filtration Methods 0.000 claims abstract description 8
- 230000008878 coupling Effects 0.000 claims abstract description 4
- 238000010168 coupling process Methods 0.000 claims abstract description 4
- 238000005859 coupling reaction Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 5
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Classifications
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- 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
- H04B1/0475—Circuits with means for limiting noise, interference or distortion
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- 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
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- 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
- H04B2001/0408—Circuits with power amplifiers
- H04B2001/0416—Circuits with power amplifiers having gain or transmission power control
-
- 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
- H04B2001/0408—Circuits with power amplifiers
- H04B2001/0433—Circuits with power amplifiers with linearisation using feedback
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transmitters (AREA)
Abstract
Description
Claims (4)
- 무선통신 시스템에서 무선 주파수(RF) 신호 송신시 발생되는 고조파(Harmonic) 성분을 제거하기 위한 장치에 있어서,선형 증폭된 무선 주파수(RF) 신호의 고조파(Harmonic) 성분을 제거(억제)하기 위한 제1 고조파 성분 제거수단;상기 제1 고조파 성분 제거수단에서 고조파(Harmonic) 성분이 제거(억제)된 무선 주파수(RF) 신호를 원하는 대역으로만 통과시키는 대역통과 필터링수단;상기 대역통과 필터링수단에서 해당 대역으로 필터링된 무선 주파수(RF) 신호의 고조파(Harmonic) 성분을 제거(억제)하기 위한 제2 고조파 성분 제거수단; 및상기 제2 고조파 성분 제거수단에서 고조파(Harmonic) 성분이 제거(억제)된 해당 대역의 무선 주파수(RF) 신호를 안테나를 통해 방사하고, 상기 안테나로 나가는 출력 레벨을 원하는 레벨로 제어하기 위하여 고조파(Harmonic) 성분이 제거(억제)된 해당 대역의 무선 주파수(RF) 신호를 감쇄시켜 계측기 모터링 단자로 제공하는 커플링수단을 포함하는 무선통신 시스템에서의 고조파 성분 억제를 위한 송신 전단 장치.
- 제 1 항에 있어서,상기 대역통과 필터링수단은,실질적으로, 원하는 대역으로만 통과시키는 유전체 공진기(DR : Dielectric Resonator) 필터이되, -20MHz 대역으로 필터링하는 것을 특징으로 하는 무선통신 시스템에서의 고조파 성분 억제를 위한 송신 전단 장치.
- 제 1 항 또는 제 2 항에 있어서,상기 제1 및 제2 고조파 성분 제거수단은,실질적으로, 컷오프(Cut-off) 특성이 서로 다르며, 손실(Loss)이 아주 적어 전체 시스템에 영향을 주지 않도록 설계되는 것을 특징으로 하는 무선통신 시스템에서의 고조파 성분 억제를 위한 송신 전단 장치.
- 제 3 항에 있어서,상기 커플링수단은,원하는 대역의 무선 주파수(RF) 신호를 상기 안테나로 보내고, 이때의 신호를 40dB 감쇄시켜 계측기 모니터링 단자로 제공하는 것을 특징으로 하는 무선통신 시스템에서의 고조파 성분 억제를 위한 송신 전단 장치.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020000075333A KR100349646B1 (ko) | 2000-12-11 | 2000-12-11 | 무선통신 시스템에서의 고조파 성분 억제를 위한 송신전단 장치 |
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KR1020000075333A KR100349646B1 (ko) | 2000-12-11 | 2000-12-11 | 무선통신 시스템에서의 고조파 성분 억제를 위한 송신전단 장치 |
Publications (2)
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KR20020045915A KR20020045915A (ko) | 2002-06-20 |
KR100349646B1 true KR100349646B1 (ko) | 2002-08-24 |
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KR1020000075333A Expired - Fee Related KR100349646B1 (ko) | 2000-12-11 | 2000-12-11 | 무선통신 시스템에서의 고조파 성분 억제를 위한 송신전단 장치 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101000397B1 (ko) * | 2008-08-22 | 2010-12-13 | 주식회사 케이티 | 인 빌딩에서의 급전선 공유 장치 및 시스템 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100623062B1 (ko) * | 2005-01-13 | 2006-09-14 | 인하대학교 산학협력단 | 고조파 제거 회로 |
AT520747B1 (de) * | 2017-12-29 | 2019-07-15 | Avl List Gmbh | Verfahren zum Filtern eines periodischen, verrauschten Messsignals mit einer Grundfrequenz und harmonischen Schwingungsanteilen |
-
2000
- 2000-12-11 KR KR1020000075333A patent/KR100349646B1/ko not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101000397B1 (ko) * | 2008-08-22 | 2010-12-13 | 주식회사 케이티 | 인 빌딩에서의 급전선 공유 장치 및 시스템 |
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KR20020045915A (ko) | 2002-06-20 |
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