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AWR1642: What is the adjustable range of AWR1642 output gain?

Annie Liu
Genius 10295 points
Part Number: AWR1642

Hi Team,

What is the adjustable range of AWR1642 output gain? Or what is the adjustable range of the output power? Which register can be configured? Customer did not find it in the manual.

Does PA LDO disabled in the register above mean that both the transmitted PA channels will be disabled? At this point, there should be no power output, but LO (local oscillator) works normally, right?

Thanks.

  • 0
    TI__Guru*** 148994 points
    Hi,

    We are checking with our hardware team and will get back to you as soon as possible

    thank you
    cesar
  • 0
    TI__Guru 58035 points
    Hello Annie,
    By "gains" do you mean TX output power control and Rx gain setting? The TX o/p setting is controlled by the backoff setting the profile configurations API and the Rx gain is also set in the same API. Please refer to the mmwave SDK documentation for details.
    The PA LDO disable means that the device expects expects 1V supply is fed externally (on the PCB) on the VOUT PA pin .

    Regards,
    Vivek