cst lumped element

Does anybody ever try to use the lumped element in the CST simulation?

I added a capacitor between two ports, and I got a total different result as if I export the Touchstone file at first and add it in a circuit simulator.

I really don't know why. Could someone help me?

Thanks! :(

I used one inductor for antenna simualtion. The result is very similar with actual measurement.

I used a resistor to load a monopole axially.I result agrees well with measurement

Is there any specific geometry involved, or just 2 port and a capacitor?

(If you can attach a picture it'll help us find the problem)
Regards,
P.

See the exmaple in CST microwave studio which contains interdigital and coplanar type.

I am not an expert, but MWS is a time domain simulator, while touchstone format is in the frequency domain, maybe there will be someting different between the two situation. When you use circuit simulator and touchstone file you are in frequency domain, what appens when you use MWS and a lumped element?

Bye

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