Hello Group, I have a question about the conducted emission measurements performed in a semi-anechoic chamber. CISPR 22 requires the use of a vertical ground plane when testing tabletop EUTs, unless you mount your EUT on a non-conductive table 40cm above the horizontal ground plane (instead of the traditional 80cm) I did not find a requirement for a vertical ground plane when testing floorstanding equipment. If one opts to use the alternative method of not using the vertical ground plane, can floorstanding equipment also be tested without the vertical ground plane? The horizontal ground plane is always present since that is the chamber floor. What are most labs using? We have the option of making a removable vertical ground plane "wall" or mounting the equipment on a 40cm table. Thanks, Tim Pierce -
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