JPS628733U - - Google Patents
Info
- Publication number
- JPS628733U JPS628733U JP10105685U JP10105685U JPS628733U JP S628733 U JPS628733 U JP S628733U JP 10105685 U JP10105685 U JP 10105685U JP 10105685 U JP10105685 U JP 10105685U JP S628733 U JPS628733 U JP S628733U
- Authority
- JP
- Japan
- Prior art keywords
- primary winding
- input terminal
- terminal
- coaxial cable
- impedance
- 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
- 238000004804 winding Methods 0.000 claims description 8
- 239000004020 conductor Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 7
- 239000003990 capacitor Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
Description
第１図はこの考案の受信機用アンテナ端子板の
接続図、第２図はこの考案による受信用アンテナ
端子板を背面から見た接続配置図、第３図はこの
考案による受信アンテナ端子板の正面図、第４図
は従来の受信機用アンテナ端子板の回路図、第５
図は従来の受信機用アンテナ端子板の接続配置図
、第６図及び第７図はそれぞれ同軸ケーブル及び
平行２線式フイーダに対するアンテナ回路の特性
曲線を示す図である。
１１：端子板、１２：平行２線式フイーダ、１
３：平衡入力端子、１４：同軸ケーブル、１４ａ
：同軸ケーブルの外部導体、１４ｂ：同軸ケーブ
ルの中心導体、１５：不平衡入力端子、１６：一
次巻線、１７：二次巻線、１８：共通接続点、１
９，２２：コンデンサ、２１：信号出力端子、２
３：中間タツプ、２４：ピン・コネクタ、２４ａ
：ピン・コネクタの外郭端子、２４ｂ：ピン・コ
ネクタの中央端子、Ｃ：コア、Ｔ：平衡―不平衡
変換トランス。
Fig. 1 is a connection diagram of the receiving antenna terminal plate of this invention, Fig. 2 is a connection layout diagram of the receiving antenna terminal plate of this invention seen from the back, and Fig. 3 is a connection diagram of the receiving antenna terminal plate of this invention. The front view, Figure 4 is a circuit diagram of a conventional receiver antenna terminal board, and Figure 5 is a circuit diagram of a conventional receiver antenna terminal board.
The figure is a connection layout diagram of a conventional antenna terminal plate for a receiver, and FIGS. 6 and 7 are diagrams showing characteristic curves of an antenna circuit for a coaxial cable and a parallel two-wire feeder, respectively. 11: Terminal board, 12: Parallel 2-wire feeder, 1
3: Balanced input terminal, 14: Coaxial cable, 14a
: Outer conductor of coaxial cable, 14b: Center conductor of coaxial cable, 15: Unbalanced input terminal, 16: Primary winding, 17: Secondary winding, 18: Common connection point, 1
9, 22: Capacitor, 21: Signal output terminal, 2
3: Intermediate tap, 24: Pin connector, 24a
: Outer terminal of pin connector, 24b: Center terminal of pin connector, C: Core, T: Balanced-unbalanced conversion transformer.
Claims (1)
線と、不平衡インピーダンスに整合された二次巻
線と、上記一次巻線の一方の端子との間で不平衡
入力インピーダンスに整合した中間タツプとを有
して成る高周波トランスを設け、 Ｂ この高周波トランスの上記一次巻線の両端を
平行２線式フイーダ用入力端子に接続し、上記中
間タツプを同軸ケーブルの外部導体用入力端子に
接続し、一次巻線の一端を同軸ケーブルの中心導
体用入力端子に接続し、二次巻線の両端をチユー
ナへの出力端子に接続して成る受信機用アンテナ
端子板。[Claims for Utility Model Registration] A. Unbalanced input impedance between a primary winding matched to balanced input impedance, a secondary winding matched to unbalanced impedance, and one terminal of the primary winding. B. Connect both ends of the primary winding of this high frequency transformer to an input terminal for a parallel two-wire feeder, and connect the intermediate tap to an input terminal for an external conductor of a coaxial cable. An antenna terminal board for a receiver, which is connected to an input terminal, one end of a primary winding is connected to an input terminal for the center conductor of a coaxial cable, and both ends of a secondary winding are connected to output terminals to a tuner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10105685U JPS628733U (en) | 1985-07-01 | 1985-07-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10105685U JPS628733U (en) | 1985-07-01 | 1985-07-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS628733U true JPS628733U (en) | 1987-01-20 |
Family
ID=30971449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10105685U Pending JPS628733U (en) | 1985-07-01 | 1985-07-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS628733U (en) |
-
1985
- 1985-07-01 JP JP10105685U patent/JPS628733U/ja active Pending
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