KR20000015112U - 안테나 절체 회로 - Google Patents
안테나 절체 회로 Download PDFInfo
- Publication number
- KR20000015112U KR20000015112U KR2019980028499U KR19980028499U KR20000015112U KR 20000015112 U KR20000015112 U KR 20000015112U KR 2019980028499 U KR2019980028499 U KR 2019980028499U KR 19980028499 U KR19980028499 U KR 19980028499U KR 20000015112 U KR20000015112 U KR 20000015112U
- Authority
- KR
- South Korea
- Prior art keywords
- antenna
- power amplifier
- signal
- ant
- length
- Prior art date
Links
- 239000003990 capacitor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Transmitters (AREA)
- Amplifiers (AREA)
Abstract
Description
Claims (1)
- 서로 상이한 두 개 대역의 신호를 하나의 안테나를 이용하여 송신하기 위한 안테나 절체 회로로서,제 1 주파수 대역의 신호를 출력하며, 제 1 주파수 대역의 파장에 대하여 1/4의 길이를 갖고 안테나와 연결되는 제 1 전력 증폭기와;상기 제 1 주파수 대역의 신호보다 높은 제 2 주파수 대역의 신호를 출력하며, 상기 제 1 전력 증폭기와 안테나 사이에 연결되는 제 2 전력 증폭기와;상기 제 1 전력 증폭기와 제 2 전력 증폭기가 연결되는 안테나 사이에 구성되어 안테나 선택 전압에 따라 선택적으로 구동하는 제 1 다이오드와;상기 안테나와 상기 제 2 전력 증폭기 사이에 연결되며, 상기 안테나 선택 전압에 따라 선택적으로 구동하는 제 2 다이오드를 구비하는 안테나 절체 회로.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019980028499U KR200249208Y1 (ko) | 1998-12-31 | 1998-12-31 | 안테나절체회로 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019980028499U KR200249208Y1 (ko) | 1998-12-31 | 1998-12-31 | 안테나절체회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20000015112U true KR20000015112U (ko) | 2000-07-25 |
KR200249208Y1 KR200249208Y1 (ko) | 2001-11-29 |
Family
ID=69506971
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019980028499U KR200249208Y1 (ko) | 1998-12-31 | 1998-12-31 | 안테나절체회로 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR200249208Y1 (ko) |
-
1998
- 1998-12-31 KR KR2019980028499U patent/KR200249208Y1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR200249208Y1 (ko) | 2001-11-29 |
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