The RF amplifier of a receiver has an input resistance of 1 kΩ,and equivalent shot noise resistance of 2 kΩ, a gain of 25, and aload resistance of 125 kΩ. Given that the bandwidth is 1.0 MHz andthe temperature is 20 °C. If this receiver is connected to anantenna with an impedance of 75 Ω, calculate the noise figure. (indB)
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