JPH0191347U - - Google Patents
Info
- Publication number
- JPH0191347U JPH0191347U JP1987188093U JP18809387U JPH0191347U JP H0191347 U JPH0191347 U JP H0191347U JP 1987188093 U JP1987188093 U JP 1987188093U JP 18809387 U JP18809387 U JP 18809387U JP H0191347 U JPH0191347 U JP H0191347U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- pass filter
- input terminal
- extracting
- switching circuit
- 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 6
Landscapes
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Description
第１図は本考案の一実施例におけるテレビジヨ
ン信号のアンテナ回路のブロツク図、第２図は同
アンテナ回路の電気回路図、第３図は同特性図、
第４図は従来のアンテナ回路のブロツク図、第５
図は同アンテナ回路の電気回路図、第６図は同特
性図である。
３……スイツチング回路、２８……ローパスフ
イルター、２９……ハイパスフイルター、３０…
…ＲＦ入力端子、３１……ＶＨＦ出力端子、３２
……ＵＨＦ出力端子。
FIG. 1 is a block diagram of an antenna circuit for television signals according to an embodiment of the present invention, FIG. 2 is an electric circuit diagram of the antenna circuit, and FIG. 3 is a characteristic diagram of the antenna circuit.
Figure 4 is a block diagram of a conventional antenna circuit, Figure 5
The figure is an electric circuit diagram of the same antenna circuit, and FIG. 6 is a characteristic diagram of the same. 3...Switching circuit, 28...Low pass filter, 29...High pass filter, 30...
...RF input terminal, 31...VHF output terminal, 32
...UHF output terminal.
Claims (1)
に接続され、前記ＶＨＦ信号を抽出するローパス
フイルターと、前記入力端子にスイツチング回路
を介して接続され前記ＵＨＦ信号を抽出するハイ
パスフイルターとを有し、前記スイツチング回路
はＶＨＦ信号受信時には遮断されるよう構成され
ていることを特徴とするテレビジヨン信号のアン
テナ装置。 a low-pass filter connected to an input terminal to which a VHF signal and a UHF signal are applied and extracting the VHF signal; and a high-pass filter connected to the input terminal via a switching circuit and extracting the UHF signal; An antenna device for television signals, characterized in that the switching circuit is configured to be cut off when receiving a VHF signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987188093U JPH0191347U (en) | 1987-12-10 | 1987-12-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987188093U JPH0191347U (en) | 1987-12-10 | 1987-12-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0191347U true JPH0191347U (en) | 1989-06-15 |
Family
ID=31479210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987188093U Pending JPH0191347U (en) | 1987-12-10 | 1987-12-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0191347U (en) |
-
1987
- 1987-12-10 JP JP1987188093U patent/JPH0191347U/ja active Pending
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