JPS5868738U - Multiband antenna tuning circuit - Google Patents

Multiband antenna tuning circuit

Info

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
Application number
JP16259881U
Other languages
Japanese (ja)
Inventor
和男 山口
英輔 西山
Original Assignee
パイオニア株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by パイオニア株式会社 filed Critical パイオニア株式会社
Priority to JP16259881U priority Critical patent/JPS5868738U/en
Publication of JPS5868738U publication Critical patent/JPS5868738U/en
Pending legal-status Critical Current

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

【図面の簡単な説明】[Brief explanation of the drawing]

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)

【実用新案登録請求の範囲】[Scope of utility model registration request] 2次側のコイルがスイッチング用ダイオードを介して共
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.
JP16259881U 1981-11-02 1981-11-02 Multiband antenna tuning circuit Pending JPS5868738U (en)

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)

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