Through the use of an LNA near the sign source, the effect of noise from subsequent phases in the get chain from the circuit is lessened by the signal gain created through the LNA, although the sound designed with the LNA by itself is injected immediately in the gained signal. https://low-noiseamplifier66532.dailyhitblog.com/42663901/how-much-you-need-to-expect-you-ll-pay-for-a-good-low-noise-amplifier