JPS5882050U - active antenna device - Google Patents
active antenna deviceInfo
- Publication number
- JPS5882050U JPS5882050U JP17666981U JP17666981U JPS5882050U JP S5882050 U JPS5882050 U JP S5882050U JP 17666981 U JP17666981 U JP 17666981U JP 17666981 U JP17666981 U JP 17666981U JP S5882050 U JPS5882050 U JP S5882050U
- Authority
- JP
- Japan
- Prior art keywords
- antenna device
- active antenna
- output
- output terminal
- antenna element
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案によるアクティブアンテナ装置の一実施
例を示すシロツク図、第２図ａ及びｂは本考案の効果を
説明するためのスペクトル図、及び第３図は第１図の一
部分の変形例を示す回路図である。
１．１′・・・・・・アンテナ素子、３． ３’・・・
・・・高周波アンプ、６．７・・・・・・スイッチ、８
・・・・・・アッテネータ、１０・・・・・・スイッチ
。FIG. 1 is a block diagram showing an embodiment of the active antenna device according to the present invention, FIGS. 2 a and b are spectrum diagrams for explaining the effects of the present invention, and FIG. 3 is a partial modification of FIG. 1. FIG. 3 is a circuit diagram showing an example. 1.1'...Antenna element, 3. 3'...
...High frequency amplifier, 6.7...Switch, 8
...Attenuator, 10...Switch.
Claims (1)
増幅する高周波アンプを設けてなるアクティブアンテナ
装置において、受信電界強度が所定値を越えたとき、前
記出力端子の出力レベルを低下させる切換え手段を備え
ることを特徴とするアクティブアンテナ装置。In an active antenna device comprising a high frequency amplifier for amplifying the output of the antenna element between an antenna element and an output terminal, switching means is provided to reduce the output level of the output terminal when the received electric field strength exceeds a predetermined value. An active antenna device comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17666981U JPS5882050U (en) | 1981-11-30 | 1981-11-30 | active antenna device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17666981U JPS5882050U (en) | 1981-11-30 | 1981-11-30 | active antenna device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5882050U true JPS5882050U (en) | 1983-06-03 |
Family
ID=29969843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17666981U Pending JPS5882050U (en) | 1981-11-30 | 1981-11-30 | active antenna device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5882050U (en) |
-
1981
- 1981-11-30 JP JP17666981U patent/JPS5882050U/en active Pending
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