超低噪声放大器。
在超低噪声系统中，天线欧姆损耗噪声也是很重要的。
Noise due to antenna ohmic loss is important in ultralow noise system.
根据待测信号的特点，选用超低噪声、低漂移元器件，设计了相应的信号调理电路。
Based on the features of signals to be measured, the corresponding signal conditioning circuits are designed with the components of ultra-low noise and low distortion.
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