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RTOS: the antenna

Tool/software: TI-RTOS

Here are some questions about the antenna, as shown in the figure, the two antennas directly connected to GND, it is not connected with the chip, what role does it have

  • Hello,
    The two antennas connected to GND are "dummy" and are used only to improve the symmetry between all the 4 RX antennas. This way all the 4 receiver antennas have similar kind of copper shapes on both the sides and hence reduces the gain and phase mismatch between the antennas.

    Regards,
    Vivek