JPS62177144U - - Google Patents
Info
- Publication number
- JPS62177144U JPS62177144U JP6414386U JP6414386U JPS62177144U JP S62177144 U JPS62177144 U JP S62177144U JP 6414386 U JP6414386 U JP 6414386U JP 6414386 U JP6414386 U JP 6414386U JP S62177144 U JPS62177144 U JP S62177144U
- Authority
- JP
- Japan
- Prior art keywords
- switching device
- khz
- pulse switching
- utility
- scope
- 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 4
- 238000001228 spectrum Methods 0.000 description 3
Landscapes
- Noise Elimination (AREA)
- Dc-Dc Converters (AREA)
- Electronic Switches (AREA)
Description
第１図は本考案によるパルススイツチング機器
の一実施例を示す回路図、第２図は第１図のパル
ススイツチング機器から発生する雑音高調波の周
波数スペクトラム、第３図イおよびロは本考案に
よるパルススイツチング機器を用いた場合のアン
テナ端子電圧の周波数スペクトラム、第４図は本
考案によるパルススイツチング機器の他の実施例
を示す回路図、第５図および第６図は従来のパル
ススイツチング機器の回路図、第７図は従来のパ
ルススイツチング機器による雑音高調波の周波数
スペクトラム、第８図は従来のパルススイツチン
グ機器を用いたときのビート音妨害を示す図であ
る。
１……昇圧トランス、２……帰還回路、３……
出力端子、４……制御回路、５……ＤＣモータ、
６……切換スイツチ。
Fig. 1 is a circuit diagram showing an embodiment of the pulse switching device according to the present invention, Fig. 2 is the frequency spectrum of noise harmonics generated from the pulse switching device of Fig. 1, and Fig. 3 A and B are the main The frequency spectrum of the antenna terminal voltage when using the pulse switching device according to the invention, FIG. 4 is a circuit diagram showing another embodiment of the pulse switching device according to the invention, and FIGS. FIG. 7 is a circuit diagram of a switching device, FIG. 7 is a frequency spectrum of noise harmonics caused by a conventional pulse switching device, and FIG. 8 is a diagram showing beat sound disturbance when using a conventional pulse switching device. 1...Step-up transformer, 2...Feedback circuit, 3...
Output terminal, 4...control circuit, 5...DC motor,
6... Changeover switch.
Claims (1)
スイツチング機器において、スイツチング周波数
を９ｋＨｚまたは１０ｋＨｚの自然数倍に設定し
たことを特徴とする車両用パルススイツチング機
器。 1. A pulse switching device for a vehicle equipped with a radio receiver, characterized in that the switching frequency is set to a natural number multiple of 9 kHz or 10 kHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6414386U JPS62177144U (en) | 1986-04-30 | 1986-04-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6414386U JPS62177144U (en) | 1986-04-30 | 1986-04-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62177144U true JPS62177144U (en) | 1987-11-10 |
Family
ID=30900029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6414386U Pending JPS62177144U (en) | 1986-04-30 | 1986-04-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62177144U (en) |
-
1986
- 1986-04-30 JP JP6414386U patent/JPS62177144U/ja active Pending