Hello,
I am simulating a CPW to CPS transition in CST using transient solver.
I am not sure if I am setting the port parameters correctly. I tried two appraches:-
1. Defining multipin port and setting up potentials. (But this means I am manipulating my simulation and only getting the desired even mode whereas in reality I might have both even and odd modes. I have used an air bridge to suppress the odd mode but I am not sure if it helps)
2. Next I used electric shielding for the ports. This way I get the right modes on CPW side but on the CPS side the mode is not right.
And the results vary in the two cases. I am confused please help. What is the right way to set up the port potential for CPW and CPS? How can I obtain the desired mode.
Is it important that I obtain my S parameters for both even and odd modes?
Thanks