A clear strategy to LNA RF CMOS design that involves the optimization of the noise and linearity performance with a specified gain and power dissipation is not available in the literature.

• 低噪声宽带放大器具有很低的噪声系数和很宽的频率范围，当信号较弱时，将探头的输出先经过低噪声放大器放大，再送到接收机。