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corner truncated patch circular polarization

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plagat

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but i need to have square patch with truncated corner,(at least rectangular patch with trunc. cor.)

now it look like this

as i mentioned before,need circular polarization, instead that linear i have. but dont know how
 

That is for the dual feed model. For the single feed, you have to adjust the amount of truncation until you get the required results.
 
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    plagat

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i am trying and trying,without succes

i ad dimensions to the previous patch image,(maybe is something wrong)



dielectric material kuprextit FR4... Er=4.4; tan delta=0.03; h=1.58mm
height of copper is h=0.035mm
resonant f=2560MHz
 
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Is it possiable to share dielectric material properties and frequency of operation?

Nagendra.
 

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