Q. (a) An ampli?er with F0 = 3 or 4.77 dB, f0 = 4 GHz, and BN = 14 MHz is used with an antenna forwhich Ta =200K. The connecting path loss is 1.45, or 1.61 dB at a physical temperature of 250 K. Find the available system noise power. compute the signal-to-noise ratio.