tkb
Newbie level 3
I am making 400MHz small loops and HFSS is not predicting the same copper loss I am measuring. My hardware shows 2 to 3 times the loss that HFSS predicts. I am not solving inside the copper. It seems like the skin depth approximation should be adequate, but is there something I am not setting up properly? I tried assigning a boundary condition to the copper surface and got the same answer, but do I need to assign a thickness or roughness to it? Does anyone have experience getting their modeled loss to match the predicted loss with small printed loops?