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Gain of a 2.45 GHz patch antenna on FR4?

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flanello

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Hello,

what gain can I expect of af 2.45 GHz patch antenna on FR4?
 

gamba007

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flanello said:
Hello,

what gain can I expect of af 2.45 GHz patch antenna on FR4?

Dear friend Directivity (Gain) is dependent on the effective area as well as the size of the ground plane for a given frequency. Ofcourse FR4 is more lossy than Rogers for instance, the more the er the more the loss as frequency increases
 

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