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HFSS Cavity Patch Antenna

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TXRX

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Hi,

See attched, I want to add cavity at the bottom of the patch antenna at a high of 1mm to increase the bandwidth.

The circle plane is the ground plane, How can i define the cavity ? PEC ? Air inside ? Is the definition the same like circle ground plane ?

Thanks
 

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  • Antenna1.jpg
    Antenna1.jpg
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  • Antenna2.jpg
    Antenna2.jpg
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