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Recent content by d04500

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    Why port impedance vary with the distance from discontinuity

    :?: It's said port characteristic impedance can be defined only on cross section parameters, isn't it? But, my practice says no. Any one can help me? :arrow: HFSS 10.0 microstrip: PP thickness 4.2mil, Er=4.1; Trace width 5mil. discontinuaty: trace with 20mil-width. distance from...
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    Getting a wide band terminal s-parameter model in TEM mode (HFSS)

    to get a wide band terminal s-parameter model (only include TEM mode). do I need to adjust port size for different frequency range, then combine these result together? Because wider port size may introduce higher mode, e.g. TE10....
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    object and question solved by HFSS? CST?

    Compared with CST, what kind of object is suitable for being simulated by HFSS? what kind of question is suitable for being simulated by HFSS? Compared with HFSS, what kind of object is suitable for being simulated by CST? what kind of question is suitable for being simulated by CST...
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    Control TEM field pattern of waveport.

    My problem is that the TEM mode that I want is the linear combination of the fundamental modes that HFSS gets. How can I get my mode directly???:|:|
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    Control TEM field pattern of waveport.

    How to get desired TEM field pattern with 3 or more conductors? I draw modal/terminal line between the 2 conductors. When I plot the E field pattern of the waveport, I find, sometimes, HFSS treat the last conductor as floating, and sometimes, sig/gnd. How to control...
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    How to feed some mesh points manually in HFSS

    HFSS mesh problem I see. Thank you!
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    How to feed some mesh points manually in HFSS

    Re: HFSS mesh problem Thanks! Menuitems of HFSS\mesh operations\.. are not what I want to discuss here.. I have tried below actions: 1. Adding a point object on the surface of the object I want to mesh. The point can't be a model object. It doen't works. 2. Draw a sheet (e.g. rectangle)...
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    How to feed some mesh points manually in HFSS

    If it is possible to feed some mesh point manually, to guide the mesh result??? :D:D:D:D:D:D

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