JPS60150835U - External noise removal structure to front end - Google Patents
External noise removal structure to front endInfo
- Publication number
- JPS60150835U JPS60150835U JP3881184U JP3881184U JPS60150835U JP S60150835 U JPS60150835 U JP S60150835U JP 3881184 U JP3881184 U JP 3881184U JP 3881184 U JP3881184 U JP 3881184U JP S60150835 U JPS60150835 U JP S60150835U
- Authority
- JP
- Japan
- Prior art keywords
- external noise
- noise removal
- removal structure
- intermediate frequency
- magnetic material
- 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
- Noise Elimination (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区は、ＦＭステレオチューナのフロントエンドと中
間周波増幅回路とのブロック回路を示す図、第２図は同
じ（ＦＭチューナのフロントエンドと中間周波増幅回路
とのブロック回路とを示すとともに、本考案の実施例に
係るノイズ除去構造を示す図、第３図はそのノイズ除去
構造を説明するための同軸線とフェライトコアとの斜視
図、第４図は実施例のノイズ除去構造によるその作用の
説明に供するための第３図の横断面図である。
１はフロントエンド、３は中間周波増幅回路、４は同軸
線、８はホットライン用信号線（内部導体）、９はアー
スライン用信号線（外部導体）、１０はフェライトコア
（磁性体）。The first section is a diagram showing the block circuit of the front end of the FM stereo tuner and the intermediate frequency amplification circuit, and Figure 2 is the same (it shows the block circuit of the front end of the FM tuner and the intermediate frequency amplification circuit, and the main FIG. 3 is a perspective view of a coaxial line and a ferrite core to explain the noise removing structure, and FIG. 4 is a diagram showing the effect of the noise removing structure according to the embodiment. 3 is a cross-sectional view for explanation. 1 is a front end, 3 is an intermediate frequency amplification circuit, 4 is a coaxial line, 8 is a hot line signal line (internal conductor), and 9 is a ground line signal. wire (outer conductor), 10 is a ferrite core (magnetic material).
Claims (2)
波数変換するフロントエンドと、このフロントエンドの
出力を中間周波増幅する中間周波増幅回路との間を信号
線で接続し、この信号線と同軸線で構成し、この同軸線
の回りには、磁性体を取り付けてなる、フロントエンド
への外来ノイズ除去構造。(1) A signal line connects the front end that amplifies the input signal from the antenna to high frequency and then converts the frequency, and the intermediate frequency amplification circuit that amplifies the output of this front end to intermediate frequency. The structure consists of a coaxial line and a magnetic material is attached around the coaxial line to eliminate external noise from the front end.
登録請求の範囲第１項に記載のフロントエンドへの外来
ノイズ除去構造。(2) The structure for removing external noise from a front end according to claim 1, wherein the magnetic material is a ferrite core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3881184U JPS60150835U (en) | 1984-03-16 | 1984-03-16 | External noise removal structure to front end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3881184U JPS60150835U (en) | 1984-03-16 | 1984-03-16 | External noise removal structure to front end |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60150835U true JPS60150835U (en) | 1985-10-07 |
Family
ID=30546161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3881184U Pending JPS60150835U (en) | 1984-03-16 | 1984-03-16 | External noise removal structure to front end |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60150835U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007163239A (en) * | 2005-12-13 | 2007-06-28 | Hitachi Ltd | Reactor output measuring device and output measuring device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5025027U (en) * | 1973-06-29 | 1975-03-22 | ||
| JPS58197610A (en) * | 1982-05-12 | 1983-11-17 | 株式会社日立製作所 | Wire with filter |
-
1984
- 1984-03-16 JP JP3881184U patent/JPS60150835U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5025027U (en) * | 1973-06-29 | 1975-03-22 | ||
| JPS58197610A (en) * | 1982-05-12 | 1983-11-17 | 株式会社日立製作所 | Wire with filter |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007163239A (en) * | 2005-12-13 | 2007-06-28 | Hitachi Ltd | Reactor output measuring device and output measuring device |
| JP4512551B2 (en) * | 2005-12-13 | 2010-07-28 | 日立Ｇｅニュークリア・エナジー株式会社 | Reactor power measuring device and power measuring device |
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