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  1. TonyPhilipsson

    915Mhz Circular Patch RFID antenna

    What could I do to improve the performance on the PCB antenna? It's 7 and 1/4" across at the widest part. What are the right measurements for this type of design? The center screw is grounded to bottom plate with 1/2" metal-spacer. Narrow 910-920 MHz bandwidth is OK. Uses 1watt amp to provide...

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