JPS5986750U - antenna circuit - Google Patents
antenna circuitInfo
- Publication number
- JPS5986750U JPS5986750U JP18304082U JP18304082U JPS5986750U JP S5986750 U JPS5986750 U JP S5986750U JP 18304082 U JP18304082 U JP 18304082U JP 18304082 U JP18304082 U JP 18304082U JP S5986750 U JPS5986750 U JP S5986750U
- Authority
- JP
- Japan
- Prior art keywords
- band
- capacitor
- antenna circuit
- antenna
- pass filter
- 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
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図は本考案のアンテナ回路図、第２図は本考案に用
いたバンドパスフィルタの細波数対ゲインの特性図であ
る。
２、 ３． ４・・・バンドパスフィルタ、５． ６．
７・・・高周波回路、９・・・バンド切換スイッチ、
１０゜１１．１２・・・コンデンサ、１′３・・・切換
ス、イツチ。FIG. 1 is an antenna circuit diagram of the present invention, and FIG. 2 is a characteristic diagram of the fine wave number versus gain of the bandpass filter used in the present invention. 2, 3. 4...Band pass filter, 5. 6.
7...High frequency circuit, 9...Band selection switch,
10゜11.12...Capacitor, 1'3...Switching switch, one.
Claims (1)
ルタを並列接続し、その出力信号を夫々の高周波回路に
加えるとともに、前記バンドパスフィルタに該バンドパ
スフィルタの出力容量と高周波回路の入力容量とをマツ
チングさせるコンデンサーを接続し７、該コンデンサー
とアース間にバンド切換スイッチに連動する切換スイッ
チを接続したことを特徴とするアンテナ回路。Band-pass filters with different passing frequencies are connected in parallel to the antenna, and their output signals are applied to each high-frequency circuit, and the output capacitance of the band-pass filter and the input capacitance of the high-frequency circuit are matched to the band-pass filter. 7. An antenna circuit characterized in that a capacitor is connected to the capacitor, and a changeover switch linked to a band changeover switch is connected between the capacitor and ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18304082U JPS5986750U (en) | 1982-12-01 | 1982-12-01 | antenna circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18304082U JPS5986750U (en) | 1982-12-01 | 1982-12-01 | antenna circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5986750U true JPS5986750U (en) | 1984-06-12 |
Family
ID=30396245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18304082U Pending JPS5986750U (en) | 1982-12-01 | 1982-12-01 | antenna circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5986750U (en) |
-
1982
- 1982-12-01 JP JP18304082U patent/JPS5986750U/en active Pending
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