Designing a power system for medical devices not only requires meeting the electrical requirements for the system, but also requires understanding the relationship between the attenuation of electromagnetic interference (EMI) and the reduction of leakage currents. The power supply is typically one of the main sources for both EMI and leakage current within a medical device. TT Electronics’ Engineering Manager Dylan Howes discusses the relationship between EMI and leakage currents within the power supply, some methods for reducing both without impacting the other, and how choosing the right power supply can save time and money.

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