JPH0273840U - - Google Patents
Info
- Publication number
- JPH0273840U JPH0273840U JP15396388U JP15396388U JPH0273840U JP H0273840 U JPH0273840 U JP H0273840U JP 15396388 U JP15396388 U JP 15396388U JP 15396388 U JP15396388 U JP 15396388U JP H0273840 U JPH0273840 U JP H0273840U
- Authority
- JP
- Japan
- Prior art keywords
- input terminal
- antenna
- output
- switching device
- parallel
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Filters And Equalizers (AREA)
- Structure Of Receivers (AREA)
Description
第１図は本考案に係るアンテナ切換器の一実施
例を示す回路図、第２図は従来のテレビゲーム用
アンテナ切換器の一具体例を示す回路図である。
ＡＮＴ１，ＡＮＴ２……アンテナ入力、ＴＶ…
…出力、ＰＣ……パソコン入力、Ｃ０〜Ｃ７……
容量素子、Ｌ０，Ｌ２〜Ｌ８……インダクタンス
素子、Ｑ１〜Ｑ５……スイツチングトランジスタ
、Ｒ１〜Ｒ５……抵抗。
FIG. 1 is a circuit diagram showing an embodiment of an antenna switching device according to the present invention, and FIG. 2 is a circuit diagram showing a specific example of a conventional antenna switching device for television games. ANT 1 , ANT 2 ...Antenna input, TV...
...Output, PC...PC input, C0 to C7 ...
Capacitive element, L0 , L2 to L8 ...Inductance element, Q1 to Q5 ...Switching transistor, R1 to R5 ...Resistance.
Claims (1)
る出力側間に直列に接続した複数の容量素子と並
列に接続した複数のインダクタンス素子とスイツ
チング素子とを接続し、かつ、上記出力側にスイ
ツチング素子を介して第２入力端子を設け、この
第２入力端子からの印加電圧にて上記アンテナ側
入力と出力、又は第２入力端子と出力とを切換え
接続するアンテナ切換器において、 上記アンテナ側入力端子に最近接して付加的に
直列の容量素子と並列のインダクタンス素子とを
接続したことを特徴とするアンテナ切換器。[Claim for Utility Model Registration] A plurality of capacitance elements connected in series between an input terminal on the antenna side and an output side connected to a television, and a plurality of inductance elements and a switching element connected in parallel are connected, and In the antenna switching device, a second input terminal is provided on the output side via a switching element, and the antenna side input and the output, or the second input terminal and the output are switched and connected by applying a voltage from the second input terminal. , An antenna switching device characterized in that a series capacitance element and a parallel inductance element are additionally connected closest to the antenna side input terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15396388U JPH0273840U (en) | 1988-11-26 | 1988-11-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15396388U JPH0273840U (en) | 1988-11-26 | 1988-11-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0273840U true JPH0273840U (en) | 1990-06-06 |
Family
ID=31430268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15396388U Pending JPH0273840U (en) | 1988-11-26 | 1988-11-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0273840U (en) |
-
1988
- 1988-11-26 JP JP15396388U patent/JPH0273840U/ja active Pending