JPS5868738U - Multiband antenna tuning circuit - Google Patents
Multiband antenna tuning circuitInfo
- Publication number
- JPS5868738U JPS5868738U JP16259881U JP16259881U JPS5868738U JP S5868738 U JPS5868738 U JP S5868738U JP 16259881 U JP16259881 U JP 16259881U JP 16259881 U JP16259881 U JP 16259881U JP S5868738 U JPS5868738 U JP S5868738U
- Authority
- JP
- Japan
- Prior art keywords
- tuning circuit
- antenna tuning
- multiband antenna
- varicap
- haricap
- 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
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- 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図は従来のＭＷ／ＬＷアンテナ同調回路の回路図、
第２図は本考案の一実施例の同回路の回路図である。Figure 1 is a circuit diagram of a conventional MW/LW antenna tuning circuit.
FIG. 2 is a circuit diagram of the same circuit according to an embodiment of the present invention.
Claims (1)
通の高周波増幅部に接続された２種以上のバーアンテナ
の各１次側のコイルに各別のハリキャップを接続し、該
各バリキャップに同じ同調電圧を印加するようにして成
ることを特徴とする多バンドアンテナ同調回路。A separate haricap is connected to each primary side coil of two or more bar antennas whose secondary side coils are connected to a common high-frequency amplification section via a switching diode, and the same varicap is connected to each varicap. A multi-band antenna tuning circuit characterized by applying a tuning voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16259881U JPS5868738U (en) | 1981-11-02 | 1981-11-02 | Multiband antenna tuning circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16259881U JPS5868738U (en) | 1981-11-02 | 1981-11-02 | Multiband antenna tuning circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5868738U true JPS5868738U (en) | 1983-05-10 |
Family
ID=29954907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16259881U Pending JPS5868738U (en) | 1981-11-02 | 1981-11-02 | Multiband antenna tuning circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5868738U (en) |
-
1981
- 1981-11-02 JP JP16259881U patent/JPS5868738U/en active Pending
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