For example, let G = 20 dB, Ts = 290 K, B =1MHz and Te = 580 K. The total equivalent input noise power Ni = k(Ts + Te)B is equal to -139.2 dBW, and total output noise power Nout = NiG is -119.2 dBW. For example, let G = 20 dB, Ts = 290 K, B =1MHz and Te = 580 K. The total equivalent input noise power Ni = k(Ts + Te)B is equal to -139.2 dBW, and total output noise power Nout = NiG is -119.2 dBW