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首页> 外文期刊>Journal of Low Power Electronics >Reducing Electromagnetic Interference Using Globally Asynchronous Locally Synchronous Approach
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Reducing Electromagnetic Interference Using Globally Asynchronous Locally Synchronous Approach

机译：使用全局异步局部同步方法减少电磁干扰

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摘要

In this paper, the possibilities of reducing EMI in GALS systems are investigated and presented. Based on the special software tool for EMI analysis, several different abstract models of GALS circuits have been designed in order to extract a realistic EMI properties of a GALS system. Based on the clock behavior, we have been able to analyze using our tool the current profile of each modeled system, both in frequency and in time domain. The results have been compared with the synchronous counterparts including low-EMI solutions. As a result, a reduction up to 25 dB can be achieved when applying a low-EMI GALS methodology in comparison to the synchronous designs. Finally, we have analyzed EMI reduction depending on the granularity of GALS approach. We have analyzed the limits of EMI reduction with high granularity GALS systems and extrapolated the results for asynchronous systems.
机译：在本文中，研究并提出了降低GALS系统中EMI的可能性。基于用于EMI分析的专用软件工具，设计了几种不同的GALS电路抽象模型，以提取GALS系统的实际EMI特性。基于时钟行为，我们已经能够使用我们的工具在频率和时域上分析每个建模系统的当前配置文件。将结果与包括低EMI解决方案的同步同类产品进行了比较。结果，与同步设计相比，采用低EMI GALS方法可降低多达25 dB的噪声。最后，我们根据GALS方法的粒度分析了EMI的降低。我们分析了高粒度GALS系统降低EMI的极限，并推断出异步系统的结果。

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