HFSS or Q3D for integrating a model of my molex cable flat FCC 0.5meter / 15 pins / 0.5mm pitch cable under ansys circuit (tr = 1ns) ?

rdpdo2002

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Hello,

I would like to make a model of my cable FCC molex for integrating it to Circuit.

In my case, my rise time signals is 1ns, so my propagation delay is about 1,7/c = 5,6ns/m and for a length of 50cm, total delay is 2,8ns wich is not << 1ns... So do I need to use HFFS to get accurate values ??

In the doc, they say that it work if propagation delay is << than rise time.

Do you think Q3D will work ?

Thanks you very mich for your advice !
 

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