Dipole antenna input impedance

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randy orton

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Hello all

I am trying to design a dipole antenna using HFSS. In my design i plotted a graph for input impedance Vs frequency and it seems that instead of somewhere close to 73 ohms i am getting it to 117 ohms which is way to off.so can anybody take a look and tell me what is wrong with a design and how can i get a output close to 73 ohms?or the design is correct?

Any idea or suggestion will be grateful.


Thanks guys
 

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