JPS59140586U - signal mixing device - Google Patents
signal mixing deviceInfo
- Publication number
- JPS59140586U JPS59140586U JP3463083U JP3463083U JPS59140586U JP S59140586 U JPS59140586 U JP S59140586U JP 3463083 U JP3463083 U JP 3463083U JP 3463083 U JP3463083 U JP 3463083U JP S59140586 U JPS59140586 U JP S59140586U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- output
- modulation circuit
- signal
- mixing device
- 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
Landscapes
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
゛ 第１図は本考案装置を備える通信系の構成図、第
２図はＲＦ変調回路及びバッファアンプの回路構成図、
第３図はアンテナ回路及び混合回路の回路構成図、第４
図は本考案装置の他の実施例で、アンテナ回路、バッフ
ァアンプ、及び混合回路を備えるブースタミキサの回路
構成図である。
主な図番の説明、２・・・アンテナ回路、７・・・ＲＦ
変調回路、３・・・混合回路、８・・・バッファアンプ
。゛ Fig. 1 is a block diagram of a communication system equipped with the device of the present invention, Fig. 2 is a circuit block diagram of an RF modulation circuit and a buffer amplifier,
Figure 3 is a circuit diagram of the antenna circuit and mixing circuit;
The figure shows another embodiment of the present invention, and is a circuit diagram of a booster mixer including an antenna circuit, a buffer amplifier, and a mixing circuit. Explanation of main drawing numbers, 2... Antenna circuit, 7... RF
Modulation circuit, 3...mixing circuit, 8...buffer amplifier.
Claims (1)
信号を伝送するアンテナ回路と、視聴情報を変調してテ
レビジョン放送信号を作成するＲＦ変調回路と、前記ア
ンテナ回路出力と前記ＲＦ変調回路出力を混合する回路
とを備える信号混合装置において、前記ＲＦ変調回路と
前記混合回路の間に、前記ＲＦ変調回路出力の前記混合
回路への伝送を許容するが前記アンテナ回路出力の前記
ＲＦ変調回路出力への流入を実質的に阻止するバッファ
アンプを配備していることを特徴とする信号混合装置。An antenna circuit that receives television broadcast radio waves and transmits the received television signal, an RF modulation circuit that modulates viewing information to create a television broadcast signal, and mixes the output of the antenna circuit and the output of the RF modulation circuit. between the RF modulation circuit and the mixing circuit, allowing transmission of the RF modulation circuit output to the mixing circuit, but not transmitting the antenna circuit output to the RF modulation circuit output. A signal mixing device characterized in that it is equipped with a buffer amplifier that substantially blocks inflow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3463083U JPS59140586U (en) | 1983-03-09 | 1983-03-09 | signal mixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3463083U JPS59140586U (en) | 1983-03-09 | 1983-03-09 | signal mixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59140586U true JPS59140586U (en) | 1984-09-19 |
Family
ID=30165369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3463083U Pending JPS59140586U (en) | 1983-03-09 | 1983-03-09 | signal mixing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59140586U (en) |
-
1983
- 1983-03-09 JP JP3463083U patent/JPS59140586U/en active Pending
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