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IWR6843AOP: Frequency range setting

Part Number: IWR6843AOP

I would like to use 500MHz from 61.0GHz to 61.5GHz with IWR6843AOP.
Is it possible to set it?
If possible, could you please tell me how to set it up?
It seems that mmWave demo visualizer can only set 60 to 64 GHz.
Will mmWave Sensing Estimate not create a .cfg file?

  • Hi,

    the CFG file allows you to set the start frequency and bandwidth.

    https://www.ti.com/lit/pdf/swra553

    regards,

    Charles O

  • こんにちは

    ご返信ありがとうございます。

    以下のQ&Aを参考にしました。

    e2e.ti.com /.../ 2363699

    ミリ波センシング推定器の画面は以下のとおりです。

    60GHz〜60.5GHzで500MHzを使用する場合、以下の設定で大丈夫ですか?

    IWR6843AOPのRev.Bを使用しています。校正済みです。

    %************************************************* **************

    %SDK用に作成ver:03.02
    %ビジュアライザーver:3.2.0.0_AOPを使用して作成
    %周波数:60
    %プラットフォーム:xWR68xx_AOP
    %シーン分類子:best_range_res
    %方位角解像度(deg):30 + 30
    %範囲解像度(m):0.044
    %最大明確な範囲(m):9.02
    %最大視線速度(m / s):1
    %視線速度分解能(m / s):0.13
    %フレーム持続時間(msec):100
    %************ ************************************************** *
    sensorStop
    flushCfg
    dfeDataOutputMode 1 channelCfg
    15 7 0
    adcCfg 2 1
    adcbufCfg -1 0 1 1 1
    profileCfg 0 60 7 6.4 55.73 0 0 8.93 1145 3000 0 0 30
    chirpCfg 0 0 0 0 0 0 0 1
    chirpCfg 1 1 0 0 0 0 0 2
    chirpCfg 2 2 0 0 0 0 0 4
    frameCfg 0 0 26
    0100 1 0 lowPower 0 0
    guiMonitor -1 1 1 0 0 0 1
    cfarCfg -1 0 2 8 4 3 0 15 1
    cfarCfg -1 1 0 4 2 3 1 15 1
    multiObjBeamForming -1 1 0.5
    clutterRemoval -1 0
    calibDcRangeSig -1 0-5 8256
    extendedMaxVelocity -1 0
    lvdsStreamCfg -1 0 0 0
    compRangeBiasAndRxChanPhase 0.0290229 -0.43054 -0.20761 0.40997 0.20840 -0.33194 -0.15781 0.35538​​ 0.21423 -0.04398 0.94180 0.24194 -0.40640 0.04007 0.48074 -0.03485 -0.30786 0.00092 0.41956 0.08054
    measureRangeBiasAndRxChanPhase 0 1.5 0.2
    CQRxSatMonitor 0 3
    5121 0
    CQSigImgMonitor 0127 4 analogMonitor 0 0
    aoaFovCfg -1 -90 90 -90 90
    cfarFovCfg -1 0 0 8.92
    cfarFovCfg -1 1 -1 1.00
    sensorStart

     

    最大検出距離を10mに設定しましたが、mmWavw DemoVisualizerでは約40mです。

    短い距離を見たいのですが。最大検出距離を変更することはできますか? 

    今回は周波数帯の設定でこの距離になりますか?

  • Hello

    You may have to  set the start frequency in the estimator tool.

    Have you tried that?

    Thank you,

    Vaibhav

  • Hello

    I don't think I can set the start frequency.

    Where is the start frequency set in the Estimator tool?

    The frequency range is fixed at 60-64GHz.

    Isn't the start frequency 60GHz with this setting?

    profileCfg 0 60 7 6.4 55.73 0 0 8.93 1145 3000 0 0 30

  • Hi,

    You need to change this on the CFG file. 

    you can download the CFG file from the visualizer or edit the one included in the SDK folder.

    user6316336 said:

    Isn't the start frequency 60GHz with this setting?

    profileCfg 0 60 7 6.4 55.73 0 0 8.93 1145 3000 0 0 30

    in the CFG file use you can change that from 60GHz to 61

    regards,

    Charles O