Enhancing Efficiency of EMI Pre-Compliance Testing

Application Notes

Introduction

Countries require electromagnetic interference (EMI) compliance for a wide range of devices. Because testing for standards compliance can bottleneck the product development process, engineers use pre-compliance testing to uncover issues earlier in the product development cycle. Pre-compliance testing solutions evaluate electromagnetic compatibility (EMC) performance at multiple stages, starting with lab prototypes. Figure 1 illustrates a typical product development cycle.

EMI pre-compliance testing typically includes conducted and radiated EMI emissions evaluations before a product undergoes full compliance testing. Conducted emissions testing centers on unwanted signals on the AC mains generated by the equipment under test (EUT). The frequency range for these commercial measurements is 9 kHz to 30 MHz, depending on the regulation.

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Enhancing Efficiency of EMI Pre-Compliance Testing

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