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August 26, 2024 at 4:50 am
Long Nguyen
SubscriberHi,
I am trying to estimate the coupling Q between a coplanar waveguide resonator and a coplanar waveguide line. I want to use notch-type coupling
With the model looks similar to this configuration:
Taken from https://epjquantumtechnology.springeropen.com/articles/10.1140/epjqt/s40507-018-0066-3
Is there a way to estimate the coupling Q from Ansys Maxwell mutual inductance and capacitance?
If not, I plan to use HFSS, simulate S21 and try to extract the coupling Q. Is there a way to extract it directly from Ansys?
How to increaes the accuracy of my S21 simulation? I'm usually use interpolate and the frequency value is not exact.Thank you.
Best regards,Long.
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August 28, 2024 at 11:22 pm
Rong Liu
Ansys EmployeeHi Long,Â
There are three inductors in your case. You need to add ports on the three one as well. Run the simulation and get the Z-parameter,Â
Mutural inductance is Imag(Z12)/omega, L1= Imag(Z11)/omega and L2=Imag(Z22)/omega. The coupling factor = M/sqrt(Z11*Z22).Â
Best regards,
Rong
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