What is LNA (low noise amplifier)?

A low noise amplifier amplifies an exceptionally low-power signal. A low noise amplifier is utilized to enhance signals of extremely low strength, generally from an antenna where signals are barely examined and ought to be intensified without adding any noise. In a low noise amplifier, received signal is processed and changed over into data. An LNA is the principal part of a beneficiary of a receiver to intercept a signal, making it a vital part in the communications process.