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Substrate for CPW line (ADS 2012)

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alice12

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Hello,

I am simulating on momentum/ADS 2012 a CPW transmission line with finite ground planes.

I am wondering if my substrate is well defined.
I selected :
- for the top layer: strip layer (I define then two ports connected to the conductor and I associate to them their 4 ground ports (2 for each one))
- for the conductor: sheet (operation)
- for the bottom layer: strip layer (I have better results than the case slot layer and I don't understand why and how can I choose)
- It's Cu printed on FR4. So I have chosen H=1.6 mm and T=35 µm.

Can you please confirm that I haven't any mistake?

Thank you !! :)

Alice.
 

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