IFG
u32 RFG = 0, IFG = 0, BBG = 0, PGA2G = 0, TIAG = 0;
IFG += IFGS[i];
gain = RFG + IFG - TIAG + BBG + PGA2G;
cpw32_f (TxConfig, IFG | (TX_DMA_BURST << TxDMAShift));