JPS62155526U - - Google Patents
Info
- Publication number
- JPS62155526U JPS62155526U JP1986040888U JP4088886U JPS62155526U JP S62155526 U JPS62155526 U JP S62155526U JP 1986040888 U JP1986040888 U JP 1986040888U JP 4088886 U JP4088886 U JP 4088886U JP S62155526 U JPS62155526 U JP S62155526U
- Authority
- JP
- Japan
- Prior art keywords
- emitter
- signal
- output
- cuts
- switching transistor
- 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 3
Landscapes
- Details Of Television Systems (AREA)
- Electronic Switches (AREA)
Description
第１図は本考案の一実施例を示す電気回路図、
第２図はバンドパスフイルタの構成を示す電気回
路図、第３図は従来のＲＦコンバータの出力回路
を示す電気回路の部分図である。
図中、１１……コンバータ部、１２……バンド
パスフイルタ、１３……ＲＦスイツチ、Ｑ２……
スイツチングトランジスタ。
FIG. 1 is an electrical circuit diagram showing an embodiment of the present invention;
FIG. 2 is an electric circuit diagram showing the configuration of a bandpass filter, and FIG. 3 is a partial diagram of the electric circuit showing the output circuit of a conventional RF converter. In the figure, 11... converter section, 12... band pass filter, 13... RF switch, Q2...
switching transistor.
Claims (1)
への伝達と遮断を行うスイツチングトランジスタ
と、前記エミツタに直列に接続されコンバータ部
から出力されるＲＦ信号を前記エミツタに伝達す
ると共に前記スイツチングトランジスタのエミツ
タ電流をアースに流すコイルを有するバンドパス
フイルタと、アンテナ入力からの受信信号の断続
を行いその出力が前記ＴＶアウト出力に接続され
たＲＦスイツチとを備えたことを特徴とするＲＦ
コンバータの出力回路。 a switching transistor that receives an RF signal at its emitter and transmits it to the TV out output and cuts it off; and a switching transistor that is connected in series to the emitter and transmits the RF signal output from the converter section to the emitter and controls the emitter current of the switching transistor. An RF switch comprising: a bandpass filter having a coil that causes the signal to flow to ground; and an RF switch that cuts and cuts the received signal from the antenna input and whose output is connected to the TV out output.
Converter output circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986040888U JPS62155526U (en) | 1986-03-21 | 1986-03-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986040888U JPS62155526U (en) | 1986-03-21 | 1986-03-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62155526U true JPS62155526U (en) | 1987-10-02 |
Family
ID=30855378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986040888U Pending JPS62155526U (en) | 1986-03-21 | 1986-03-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62155526U (en) |
-
1986
- 1986-03-21 JP JP1986040888U patent/JPS62155526U/ja active Pending