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CPW waveport design in feko

User: "sswh2"
sswh2
Altair Community Member
Updated by sswh2

Hi, I exported one patch antenna from cst to Feko. My antenna has no ground plane it has CPW feeding which I first modeled in CST. Now for the validation purpose I put it on Feko , I exported the model  , define all substrate material then created the CPW feeding in Feko which is different method than CST. I created Edge port in my CPW feed. Now the problem is I am getting totally different S11, like in Feko its graduatually increases above -10 dB but in cst it looks perfect. I am attaching here all of my plots and port creation figure. I think my CPW feed design is wrong thats why I am getting this weired result.

 

Thanks in advance , Can anybody help me out?

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