Help with improvement on Patch antenna.

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Osha javier

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HI,
i want to design a probe fed patch antenna
2.8 Ghz
9-10 db gain 2d
Return loss -20 db --- -25 db
substrate is FR4_epoxy
loss tangent 0.02
dielectric const. 4.4

i am using HFSS
i am attaching my design

View attachment my_patc_bro.rar

and
if any one you could improve the design according to requirement i will be in your debt


or give me dimension of patch substrate
probe ,coax
port cap
etc
thickness
radius
heights
lengths
widths etc
 

Hi,

i didn't understand what you meant by improving your design, if you looking for tutorial see this **broken link removed**
 
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