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嗨,我正在研究一个双层基板,我已经为每一层定义了边界区域层,以选择介电材料的存在与否。
最近我发现边界区域层的存在可能改变我的设计的DC特性,例如当+ 1V DC源连接到端口时,我看到其他一些端口上的-1V DC电压,其中一些仍然是+ 1V。 我无法为此找到补救办法。 请帮帮我。 谢谢。 以上来自于谷歌翻译 以下为原文 Hi, I'm working on a two layer substrate and I have defined bounding area layers for each layer to choose where the dielectric material is present or not. Recently I have found that the presence of bounding area layers may change DC characteristics of my design, for example when a +1V DC source is connected to a port, I see -1V DC voltage on some other ports and some of them are still +1V. I can not find a remedy for this. Please help me. Thanks. |
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> {quote:title = hrmoazzen写道:} {quote}>嗨,>>我正在研究一个双层基板,我为每一层定义了边界区域层,以选择介电材料的存在与否。
那么您在EM基板中使用它进行FEM仿真? >最近我发现边界区域层的存在可能改变我的设计的DC特性,例如当+ 1V DC源连接到端口时,我看到其他一些端口上的-1V DC电压,其中一些仍然是 + 1V。 我无法为此找到补救办法。 请帮帮我。 如果不了解您的模拟设置,这很难回答。 EM结果可能存在一些不正确的DC外推,或者如果您的电介质具有直流电导率,则会产生一些实际影响。 以上来自于谷歌翻译 以下为原文 > {quote:title=hrmoazzen wrote:}{quote} > Hi, > > I'm working on a two layer substrate and I have defined bounding area layers for each layer to choose where the dielectric material is present or not. So you are using this in an EM substrate for FEM simulation? > Recently I have found that the presence of bounding area layers may change DC characteristics of my design, for example when a +1V DC source is connected to a port, I see -1V DC voltage on some other ports and some of them are still +1V. I can not find a remedy for this. Please help me. This is difficult to answer without knowing anything about your simulation setup. There might be some incorrect DC extrapolation from EM results, or some real effect if your dielectric has DC conductivity. |
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