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Astronomy and Area apps: LNAs are Employed in radio telescopes and satellite communications for much better sign clarity and power.）在通信系统中扮演着至关重要的角色。它是接收链路的第一级，其主要任务是将微弱的射频信号放大，同时尽可能地保持信号质量，降Though bipolar op amps ordinarily have