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IWR6843: 使用IWR6843芯片设计的产品能正常工作后的功率测试问题

Part Number: IWR6843

   你好!

由于使用IWR6843芯片设计的产品在测试时能检测到活物的距离只有2米远,请问能有什么方法测试出芯片的输出功率是否正常。

  • 你好,

    芯片内部发TX发送功率,可以通过监控模块监控。你可以参考\mmwave_sdk_03_06_00_00-LTS\packages\ti\demo\utils\mmwdemo_monitor.c里mmwDemo_cfgAnalogMonitor,使能TX power的监控。

    mmwdemo_monitor.h

    typedef enum mmwDemo_AnaMonitor_e
    {
    MMWDEMO_ANALOG_MONITOR_TEMPERATURE = 0U,
    MMWDEMO_ANALOG_MONITOR_RX_GAIN_PHASE,
    MMWDEMO_ANALOG_MONITOR_RX_NOISE_FIGURE,
    MMWDEMO_ANALOG_MONITOR_IFSTAGE,
    MMWDEMO_ANALOG_MONITOR_TX0_POWER,
    MMWDEMO_ANALOG_MONITOR_TX1_POWER,
    MMWDEMO_ANALOG_MONITOR_TX2_POWER,
    MMWDEMO_ANALOG_MONITOR_TX0_BALLBREAK,
    MMWDEMO_ANALOG_MONITOR_TX1_BALLBREAK,
    MMWDEMO_ANALOG_MONITOR_TX2_BALLBREAK,
    MMWDEMO_ANALOG_MONITOR_TX_GAIN_PHASE_MISMATCH,
    MMWDEMO_ANALOG_MONITOR_TX0_BPM,
    MMWDEMO_ANALOG_MONITOR_TX1_BPM,
    MMWDEMO_ANALOG_MONITOR_TX2_BPM,
    MMWDEMO_ANALOG_MONITOR_SYNTH_FREQ,
    MMWDEMO_ANALOG_MONITOR_EXT_ANALOG_SIGNALS,
    MMWDEMO_ANALOG_MONITOR_INTERNAL_TX0_SIGNALS,
    MMWDEMO_ANALOG_MONITOR_INTERNAL_TX1_SIGNALS,
    MMWDEMO_ANALOG_MONITOR_INTERNAL_TX2_SIGNALS,
    MMWDEMO_ANALOG_MONITOR_INTERNAL_RX_SIGNALS,
    MMWDEMO_ANALOG_MONITOR_INTERNAL_PMCLKLO_SIGNALS,
    MMWDEMO_ANALOG_MONITOR_INTERNAL_GPADC_SIGNALS,
    MMWDEMO_ANALOG_MONITOR_PLL_CONTROL_VOLTAGE,
    MMWDEMO_ANALOG_MONITOR_DCC_CLOCK_FREQ,
    MMWDEMO_ANALOG_MONITOR_RX_SATURATION_DETECTOR,
    MMWDEMO_ANALOG_MONITOR_RX_SIG_IMG_BAND,
    MMWDEMO_ANALOG_MONITOR_RX_MIXER_INPUT_POWER,
    MMWDEMO_ANALOG_MONITOR_MAX
    }mmwDemo_AnaMonitor;

    Thanks,

    Chris