做DS90UB948电磁兼容测试时,测试频段为30M-200M,测试时190M附近RE辐射超标,用频谱近场探头测试为948的辐射,请问190M频点附近该现象是否正常? 谢谢
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做DS90UB948电磁兼容测试时,测试频段为30M-200M,测试时190M附近RE辐射超标,用频谱近场探头测试为948的辐射,请问190M频点附近该现象是否正常? 谢谢
您好,我们没有关于948的EMC测试报告,但是EMC的结果是和很多因素有关的,从系统上电到PCB设计以及layout,connector和cable都是有影响的。
下面三篇应用手册是关于FPD link应用如何减少EMI/EMC 的设计要求,测试方法等:
https://www.ti.com/lit/an/snla302/snla302.pdf