A Study on Wideband Suppression of Noise Radiated from Switching Power Supply

被引：0

作者：

Sakamoto, Dai ^{[1
]}

Tsuchiya, Akihisa ^{[2
]}

Suga, Ryosuke ^{[1
]}

Sugama, Hideaki ^{[2
]}

Hashimoto, Osamu ^{[1
]}

机构：

[1] Aoyama Gakuin Univ, Dept Elect Engn & Elect, Chuo Ku, 5-10-1 Fuchinobe, Sagamihara, Kanagawa 2525258, Japan

[2] Kanagawa Ind Technol Ctr, 705-1 Shimoimaizumi, Ebina, Kanagawa 2430435, Japan

来源：

2017 INTERNATIONAL SYMPOSIUM ON ELECTROMAGNETIC COMPATIBILITY - EMC EUROPE | 2017年

关键词：

shielding effect; magnetic material; copper; switching power supply; kHz band;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this paper, a lamination of a magnetic sheet and a copper sheet is proposed to obtain wideband shielding effect from kHz to MHz bands. The requirement of the laminated magnetic sheet was discussed. A cap type shield case applying the laminated sheet 53 mu m thick was fabricated and its shielding effect was measured. The higher shielding effect was obtained using the proposed sheet in the frequency range from 0.2 MHz to 6 MHz compared with that of the copper case of 70 mu m, and it was improved by 15 dB at 0.2 MHz.

引用

页数：4

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