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Question in Ansoft HFSS???????

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meta_artificial

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plz help me my graph S11 parameter has dip on -75db.is it is correct or not????
 

Who knows? It's certainly possible for SOMETHING to have a tip to -85dB. More info?
 

S11 is the reflection coefficient of an incident wave at port 1 in any given network. You could theoretically have a reflection of 0, giving S11 of -infinity. In practice the value you shoot for depends on the application (which is what here?) and the system at hand. Some applications an S11 at a certain frequency of -10dB might be good enough, others you might need -50dB.

1. What exactly are you simulating?
2. Where are you getting this S11 (one peak or a band)?
3. Are you trying to have a well-matched network (which you do here)?
4. What's the application?
 

I AM SIMULATION AND ANALYSIS OF CIRCULAR MICROSTRIP ANTENNAS BY USING THE CONCEPT OF ARTIFICIAL DIELECTRIC. SEE THE S11 GRAPH ATTACH WITH THIS MAIL.
 

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