微波放大器增益与噪声关系的分析方法
An Analytical Method for Gain and Noise Figure of Microwave Amplifier
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摘要: 提出了一种在微波宽带低噪声放大器设计中,放大器增益性能与噪声性能之间关系的解析表达式,对其解析解进行了详尽的讨论,大大简化了传统的设计过程,并对微波低噪声HEMT器件JS8905-AS的性能进行了分析设计,经验证,与传统方法的结果相吻合。Abstract: An analytical expression for the relationship between gain and noise figure is derived for the design of the microwave broadband low noise transistor amplifier in this paper.The characteristic of analytical solutions is discussed in detail,which simplifies the empirical design method.The microwave low noise HEMT is also analyzed and the results are in agreement with those gained by empirical method.