Radio Frequency Interference Due to Power Plane Radiation and Mitigation using RFI and PI Co-Optimized Design in Mobile Platforms
Farnaz Foroughian, Jaejin Lee, Christian Bejarano, Pujitha Davuluri, Steven Gaskill
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13 Aug 2021
This paper’s main focus is to study the noise radiation risk from motherboard power planes, including the mechanism of power plane radiation. A design for a power plane that is optimized for radio frequency interference (RFI) and power integrity (PI) is studied and simulation and measurement results are presented. This design has been proposed to reduce the level of RFI radiated from the power plane to the nearby antennas.
