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Gain of a 2.45 GHz patch antenna on FR4?
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flanello



Joined: 09 Jan 2008
Posts: 84
Helped: 6
Post02 Nov 2009 15:57   

Gain of a 2.45 GHz patch antenna on FR4?
Hello,

what gain can I expect of af 2.45 GHz patch antenna on FR4?
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gamba007



Joined: 01 Oct 2009
Posts: 4
Location: Johannesburg
Post04 Nov 2009 15:06   

Re: Gain of a 2.45 GHz patch antenna on FR4?
flanello wrote:
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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