Why your power supply might be sabotaging your radio and television reception
In short: Power electronics expert David Perreault explains the critical role of EMI filters in preventing interference. Learn how improper design can disrupt nearby devices and the fundamental requirements for effective filtering in modern circuitry.
In this lecture from MIT's Spring 2023 course on Power Electronics, David Perreault explores the essential function of ripple and EMI filtering. These components are vital for ensuring that power supplies do not negatively impact the performance of other electronic devices in their vicinity.
The session covers the basic considerations and design requirements necessary to mitigate interference. Without proper filtering, power supplies can easily cause signal disruption in nearby radios and televisions, highlighting the importance of precise engineering in power system design.
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Sources
- Summary by Intellect · source: Lecture 28: EMI Filters, Part 1
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