Learning Forum

[bamdadslr]

Hi all
I am using lumped port to measure the impedance of a rod buried in soil in high frequneices. I want to know if the lumped port height and width effects the impedance of the structure? I read in HFSS help that lumped port has some inductance in range of nH. How iI should not include the lumped port’s impedance in the total result?

[slouie]

Hi bamdadslr Your findings are correct. Likely the additional inductance won't affect your results. In any case, you can remove the additional inductance due to port length by enabling the "deembed" feature which is a post processing option in the port setup.

[bamdadslr]

Thanks for your answer. I want to know specially that if the height and width of the lumped port effects the answer of Z which is seen by the port? Further, I am using driven terminal solution, so there is no de-embedding option.