Designing I/Os so they will not suffer from 'ground loop' currents in cable screens (shiel

Designing I/Os so they will not suffer from 'ground loop' currents in cable screens (shiel image #1

Traditionally, many electronic engineers failed to design their input and output circuits (I/Os) for the earth (ground) potential equalising currents that inevitably flow in cable screens when they are connected at both ends to different items of equipment that receive their power from different parts of a building, vehicle or site.
 

Published in The EMC Journal, Issue 83, July 2009

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