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size of ground plane in designing microstrip patch antenna

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ling2_xiaobai

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hi, i am designing microstrip patch antenna that will operate at 2.3 GHz.
i will use fr-4 as substrate and the thickness of substrate is 0.8 mm.
but i am very confused with the size of ground plane.
i hope the size of ground plane will be shorter than substrate because i am planning to print metamaterial structure at bottom of substrate for the further work.
anyone can help me to find the best size of ground plane?
thanks you very much...



xiaobai
 

Sherry1

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Hi
This seems a very old post. Have you been able to solve the GNP (Ground plane) calucaltions? I am working on GSM antenna and I want the whole circuitry to stay within 45x30mm PCB size but I hear that ceramic chip antennas require as much as 60x80mm ground plane . can you give idea how you reached a solution?
 

hussein mohammed

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there is no problem if you are but ground plane shorted than substrate dimensions
 

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