Impact of Electric Vehicles on AM Radio Reception

There is considerable controversy regarding the impact on AM radio reception from electric powertrain sourced EMI.   Viewpoints span not only on the technical challenges of managing EMI levels but also the importance of AM radio to the general public.  This talk covers the basic physical concepts of AM radio reception in automotive applications in addition to review of the dominant coupling mechanisms between the vehicle’s receiving antenna and its electric powertrain.  With that basic understanding, potential mitigation strategies are reviewed.  The customer impact is also explored leveraging a variety of sources of data.