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ansoft designer tutorials
Hi,
This site had got a lot of examples to download, as I remember. But now it is restricted, I think. I don't know Korean. Can anybody who knows this language can explain how to get access or why it is forbidden now? Maybe there is registration needed.
Redi.
Hi,
I will answer in few points.
1. Go to Basic Parameters and in Dielectric Types create your dielectric.
2. Draw a shape of dielectric in the editor, it doesn't matter in which layer you are drawing it.
3. Select the shape.
4.Go to Adv Edit> Define Dielectric Call and define thickness of...
Re: MoM and Momentum
Hi,
MoM is the method of counting integral equation used in 2.5D EM simulators like @gilent's Momentum part of @DS system.
Greets,
Redi.
resonant frequency from s11
Hi,
Maybe you should use Driven Terminal or Modal solution. Draw patch, substrate, ground. Then feed the patch using microstrip line or coax. Draw the air box around your structure, the walls should be quarter wavelength far from your structure and add radiation...
Hi,
I am using Pentium 750 with 256 MB RAM and it's very easy to make HF$$ eat all the memory and start swapping, which makes impossible to run bigger simulations. I think that 512 MB of RAM would be a minimum to work more or less freely, but when you run small simulations 256 MB is quite...
Re: PIFA antenna
Hi,
When F is on PCB it is called simply IFA. Check this topic on Elektroda, you will find there a lot of information:
**broken link removed**
Greets,
Redi.
Re: Symetry plane in HF$$9
Hi pewang,
I agree with you, but I used only perfect conductor for my structure and the outer coax conductor is also perfect but with real dimensions like thickness, radius etc. That is why it makes it strange.
Greetings,
Redi.
Re: How to open *.hf55 file?
Hi,
And now everything is clear. :) A$oft Designer and An$oft HF$$ are completely different programs. You cannot open .hfss file in Designer, you need HF$$.
Greets,
Redi.
Re: How to open *.hf55 file?
Hi,
You don't have to use import to open .hfss file. It is the normal project file for HF$$ 9. Simply use Open option. But, is it .hfss file or .hf55? Now I am a liitle bit confused. Another reason that you cannot open this file is, that it comes from @gilent...
Re: Symetry plane in HF$$9
Hi,
Now I have another problem with symetry in HF$$. When I have simulated the structure in normal conditions and then I have made the simulation on only half structure using H symetry surface with multiplier 0.5 and the resonance frequency moved up by around 200...
Re: How to open *.hf55 file?
Hi,
.hfss file is the file from HF$$ 9. In previous versions of HF$$ there were different extensions. So, you can open it only in HF$$ 9.
Greetings,
Redi.
Re: PIFA antenna
Hi,
In the book mentioned here Compact And Broadband Microstrip Antennas by Wong, PIFA is refered also as probe-fed shorted patch. And when you take lambda/4 patch and you short it to the ground, because it is necessary and you will feed this patch by probe you will get PIFA...
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