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balun + hfss
antenna_abc,
I have done such measurement/simulations in the past. Although the entire analysis can be done in HFSS, I normally do it in ADS. This is done by using the following procedure:
1) In HFSS, use three ports, one for the unbalanced port and one each to ground on the...
Can you guys be more specific in your setup? I have just recently started to use CST, and have not yet encountered this problem (although I have tried).
Are you running a transient or frequency simulation when this occurs?
What kind of problem are you simulating? Is it just a microstrip line...
In general, one should use wave ports wherever possible. The reason for this is that for any type of technology (stripline, u-strip, coax, etc.) a lumped port is only an approximation of the actual. For instance, take a u-strip. Most (but not all) of the E-field lines extend from the center...
Re: HFSS Object intersection
Simon,
If it makes you feel better, then yes, you can subtract the inner object from the outter, but this is not necessary. For instance, let's say I make a cylinder of air. Then I put another cylinder of some dielectric completely inside the air cylinder. HFSS...
Re: HFSS Object intersection
The inner object's properties take precedence. In your case, you would have a cylinder of dielectric surrounded by a cylinder made of air.
Obviously, this only works when one object is entirely inside the other. In HFSS, you would not be able to simulate such a...
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