The LNA boosts the antenna signal to overcome feed line losses concerning the antenna plus the receiver. Though bipolar op amps usually have fewer voltage noise than FET op amps, they also have considerably increased latest sounds. The block diagram with the very low sounds amplifier is demonstrated down below. https://low-noise-amplifier01111.dailyhitblog.com/42925855/not-known-factual-statements-about-low-noise-amplifier