Noise figure, vector signal analysis and so on.

噪声系数，矢量信号分析等。

Noise figure is minimized by a parameter amplifier.

采用参数放大器，即可将噪声系数减至最低。

Features: Small output capacitance, low noise figure.

特点：共基极输出电容小，低噪声系数。

A new method of noise figure measurement is presented.

本文提出了一种新的噪声系数测量方法。

Features: Small reverse transfer capacitance, low noise figure.

特征：反向传输电容小，低噪声系数。