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IWR6843AOPEVM: How to Control the Radar's Transmitting Antenna

Gary Lu
Intellectual 1660 points
Part Number: IWR6843AOPEVM

I would like to ask how to control the radar board to achieve such a sending sequence, can you give a tutorial on the corresponding operation steps

Best Regards,

Gary

  • 0
    TI__Mastermind 23177 points

    Hello Gary,

    So to confirm you want TX2 always on while having TX1 and TX3 alternating between on and off?

    Best Regards,

    Pedrhom

  • 0 in reply to Pedrhom Nafisi
    TI__Intellectual 1660 points

    Hello Pedrhom,

    Yes, in the first chirp I want to design, TX1 and TX2 transmit at the same time; in the second chirp cycle, TX2 and TX3 transmit at the same time.

    I also want to know how the three antennas TX1, TX2, and TX3 transmit at the same time within a chirp cycle. I hope to get more detailed step-by-step instructions.

    Best Regards,

    Gary

  • 0 in reply to Gary Lu
    TI__Mastermind 23177 points

    Hello Gary,

    You can do this via having multiple chirpCfg lines in your CFG file. An example of where we alternate TX antennas is in our Vital Signs demo, note that the way it is alternating in this demo is not the way you need it, but the implementation method will be the same with different values. The mmWave SDK will have details on breaking down the chirpCfg parameter on what each field corresponds with.

    Best Regards,

    Pedrhom