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The Low-cost Optimizing Approach for Suppression of Radiated EMI of RFID Scanner
Pages: 62-63,74
Year: Issue:  6
Journal: Safety & EMC

Keyword:  辐射电磁干扰波阻抗滤波抑制;
Abstract: 针对刷卡设备产生的辐射电磁干扰噪声问题,结合近场波阻抗分析及辐射机理的诊断,采用高频电容滤波技术,以减少差模噪声电流的方法抑制刷卡设备中的干扰噪声.整改后,噪声抑制效果达10 dBμV/m,刷卡设备符合标准要求.
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