JPS6298333U - - Google Patents
Info
- Publication number
- JPS6298333U JPS6298333U JP19049585U JP19049585U JPS6298333U JP S6298333 U JPS6298333 U JP S6298333U JP 19049585 U JP19049585 U JP 19049585U JP 19049585 U JP19049585 U JP 19049585U JP S6298333 U JPS6298333 U JP S6298333U
- Authority
- JP
- Japan
- Prior art keywords
- switch circuit
- common
- frequency switch
- terminal
- high frequency
- 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.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Waveguide Switches, Polarizers, And Phase Shifters (AREA)
Description
第１図および第２図は本考案による高周波スイ
ツチ回路の一実施例を示すもので、第１図は電気
回路図、第２図は第１図のシールド体およびシー
ルド板の具体例を示す斜視図、第３図は一般的な
衛星放送受信システムを示すブロツク図である。
１１，１２……入力端子、１３……出力端子、
１５，１６……個別のハイパスフイルタ、１７…
…切換スイツチ、１８，１９……切換端子、２０
，２１……個別のローパスフイルタ、２３……共
通線路、２４……コイル、２６……共通端子、２
８……共通のローパスフイルタ、２９……シール
ド体。
1 and 2 show an embodiment of the high frequency switch circuit according to the present invention, FIG. 1 is an electric circuit diagram, and FIG. 2 is a perspective view showing a specific example of the shield body and shield plate shown in FIG. 1. 3 are block diagrams showing a general satellite broadcast receiving system. 11, 12...input terminal, 13...output terminal,
15, 16...Individual high pass filter, 17...
...Switching switch, 18, 19...Switching terminal, 20
, 21...Individual low-pass filter, 23...Common line, 24...Coil, 26...Common terminal, 2
8... Common low pass filter, 29... Shield body.
Claims (1)
スフイルタを介して切換スイツチの切換端子に接
続し、前記切換スイツチの可動片側の共通端子を
出力端子に接続し、前記共通端子を共通線路を経
たのち分岐し個別のローパスフイルタを介して前
記複数の入力端子のそれぞれに接続してなる高周
波スイツチ回路において、前記共通線路にコイル
を挿入するとともに、分布容量を形成するための
シールド体を臨設し、前記コイルとシールド体と
で共通のローパスフイルタを形成してなることを
特徴とする高周波スイツチ回路。 (2) 高周波スイツチ回路は衛星放送受信機のア
ンテナスイツチ回路としてなり、分布容量を形成
するためのシールド体は、切換スイツチ用シール
ド板と一体に形成されるとともに前記衛星放送受
信機本体の接地シヤーシに接続してなる実用新案
登録請求の範囲第１項記載の高周波スイツチ回路
。[Claims for Utility Model Registration] (1) Each of a plurality of input terminals is connected to a switching terminal of a changeover switch via an individual high-pass filter, and a common terminal on one movable side of the changeover switch is connected to an output terminal; In a high frequency switch circuit in which the common terminal is branched after passing through a common line and connected to each of the plurality of input terminals via individual low-pass filters, a coil is inserted into the common line and a distributed capacitance is formed. 1. A high-frequency switch circuit characterized in that a shield body is provided for the switching, and the coil and the shield body form a common low-pass filter. (2) The high frequency switch circuit serves as the antenna switch circuit of the satellite broadcasting receiver, and the shield body for forming the distributed capacitance is formed integrally with the shield plate for the changeover switch, and is also connected to the grounding chassis of the satellite broadcasting receiver body. 2. A high frequency switch circuit according to claim 1, which is connected to a utility model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985190495U JPH0526820Y2 (en) | 1985-12-11 | 1985-12-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985190495U JPH0526820Y2 (en) | 1985-12-11 | 1985-12-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6298333U true JPS6298333U (en) | 1987-06-23 |
| JPH0526820Y2 JPH0526820Y2 (en) | 1993-07-07 |
Family
ID=31143765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985190495U Expired - Lifetime JPH0526820Y2 (en) | 1985-12-11 | 1985-12-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0526820Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59149414A (en) * | 1983-02-15 | 1984-08-27 | Dx Antenna Co Ltd | Branching unit |
-
1985
- 1985-12-11 JP JP1985190495U patent/JPH0526820Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59149414A (en) * | 1983-02-15 | 1984-08-27 | Dx Antenna Co Ltd | Branching unit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0526820Y2 (en) | 1993-07-07 |
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