Electronics

Electronics

How to calculate guided wavelength in hfss?

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    • park0415
      Subscriber

      Hello, I want to calculate guided wavelength in hfss.

      I know there is calculator for waveguide, microstrip, cpw ...

      but my structure is not just for microstrip, cpw..

      I want to calculate different line structure (ex, Goubau line, SPP line)

      Is there any option to calculate guided wavelength of line in hfss?

    • AndyJP
      Subscriber
      1)if the structure is just an extension of your wave-port, the solution data contains the propagation constant(gamma) at the solution frequency. Meanwhile, remember, that is the port's gamma, not the circuit between ports, whatever it may be.
      2)The equivalent wavelength may be calculated using S-parameters, and known distance between ports.
    • Praneeth
      Ansys Employee

      If you know the mathematical expression, then you can assign a variable for it or use a field calculator.
      All the very best.
    • park0415
      Subscriber
      thanks for comments,
      I want to calculate wavelength by 2) in your answer, but i dont know exactly how can i get wavelength from S-parameters..
      I think maybe Phase of S21 can be helpful but in phase the domain is frequency and i want to know wavelength in specific frequency


    • AndyJP
      Subscriber
      yes, use phase. just check the S-parameters definition for a transmission line.
    • park0415
      Subscriber
      Thanks for answer, but can you explain little bit more??
      sorry for keep asking..
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