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CC3200: Is the antenna selected automatically in wifi mode?

Part Number: CC3200

Hello,

I have to design a board in which i use cc3200,so i am asking :

-Can i use to select ANTSEL1 or ANTSEL2 in wifi mode?
-How if i use only one antenna will it impact the connection?
-Does the cc3200 switch automatically from antenna1 to antenna2 automatically?
-If I put the ANTSEL pin high in wifi mode does it force the cc3200 to use only that antenna?

Thank you

  • Hi,

    Please see example antenna_selection in CC3200 SDK and www.ti.com/.../cc3antennaboost

    -Can i use to select ANTSEL1 or ANTSEL2 in wifi mode?
    Yes, you can. ANTSELx pins are outputs to control external RF switch.

    -How if i use only one antenna will it impact the connection?
    No. Generally is used only one antenna. ANTSELx pins are used only in case you are requiring antenna diversity.

    -Does the cc3200 switch automatically from antenna1 to antenna2 automatically?
    No. Antenna switching is done in application code (see example is SDK).

    -If I put the ANTSEL pin high in wifi mode does it force the cc3200 to use only that antenna?
    No. ANTSELx pins are outputs. In case you want to use only one antenna, let this pin NC.

    Jan