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Recent content by ondra

  1. O

    How to model Klopfenstein Taper in CST MWS?

    klopfenstein taper design I've question relating to length of Klopfenstein taper. I designing impedance transformer at 1-5 GHz band. How depends length of transformer on the bandwidth? For example by using Tchebyshev λ/4 transformer, I can simply calculate number of section for securing...
  2. O

    Microstrip-to-balanced stripline balun - IE3D

    ie3d differential port Hi jian: Thanks you for your answer. Finally, I reached good results :-)
  3. O

    Microstrip-to-balanced stripline balun - IE3D

    stripline balun Hi, I have problem with port definition. I want to simulate this balun at end-to-end connection, so I need define two unbalanced port. When I have used differential ports, results are very good. When I have applied ground port conversion to both negative ports, results are...

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