摘要
介绍了一种通过改进电路结构来消除CMOS管内部的噪声,最终达到降低总输出噪声的技术。首先从理论上证明了这种技术的原理,然后把这种技术应用到具体的低噪声放大器电路中,通过PSPICE软件模拟仿真,比较和分析了采用这种技术前后LNA电路的总输出噪声、输出信噪比和电压增益。
A kind of technique canceling CMOS inside noise is introduced. Theoretically it is proofed that this kind of technique is reasonable, and it is put into a LNA circuit. From the simulation of this circuit by PSPICE, the total output noise voltage, output Signal Noise Ratio （SNR） and voltage gain are compared and analyzed.
出处
《宇航计测技术》
CSCD
2008年第4期53-56,共4页
Journal of Astronautic Metrology and Measurement
