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Coaxial cable amplitude frequency response representation in Multisim

Hello! I'm trying to represent coaxial cable in Multisim(RG-58 A/U 20.2m for example), and I have questions about Lossy Transmission Line element. At first I recorded the Amplitude frequency response of a real cable(RG-58.docx), and then I try to get a similar response using multisym. Im using Lossy Transmission Line with RLC parameters from RG-58 datasheet(https://www.radiolab.ru/ru/attach_file/rg-58aublack.pdf), and looks like its incorrect, because I  see Amplitude frequency response far from real cable.

 

How should I set the parameters correctly? And how to use "conductance" parameter?

 

Thank you!

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