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[SOLVED] HFSS resonant freqency adjusment

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By_Delly

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Hi all,
I designed a patch antenna with probe feeding. I chose a resonant frequency at 2.25 GHZ but end of the simulation I got the maximum return loss at 2.3625 GHZ. Number of pass:20, Delta S:0.02. What parameters that i should change to get maximum return loss at 2.25 Ghz ? Any idea ?
 

Patch size. Linear increase by factor 2.36/2.25 as a first guess.
 
Thanks a lot. It worked :)
 

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