An antenna having a noise temperature of 35 K is connected through a feeder having 0.5-dB loss to an LNA. The LNA has a
Posted: Fri May 20, 2022 8:58 pm
An antenna having a noise temperature of 35 K is connected through a feeder having 0.5-dB loss to an LNA. The LNA has a noise temperature of 90 K. Calculate the system noise temperature referred to (a) the feeder input and (b) the LNA input.