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How to reduce power consumption?

Part Number: AWR1843


  In my configuration,I just config    ptrLowPowerMode->lpAdcMode     = LP_ADC_MODE_LOW_POWER; but I found in my 1843 device,the power up to 4.8w.When the wave start,the max cunrrent is 570mA,and what is more,in profile configuration ,I set tx_power_backoff_code = TX_POWER_BACKOFF_0DB,rx_gain_val = 52 | (1 << 6),           /* VGA 52dB, Target Gain 34dB*/

  What else can i do to reduce the power consumption?