特点：共基极输出电容小，低噪声系数。

Features: Small output capacitance, low noise figure.

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截止频率是影响共发射极、共基极和共集电极电路频率特性的重要因素。

Cut off frequency is the main factor influencing frequency properties of electrode circuits of common emitter, common base and common collector.

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本文从包括埋层影响的集区杂质分布出发，求出了寄生PNP晶体管的共基极电流放大系数。

We try to obtain the common-base current gain a of the parasitic PNP transistor from the eloping profile of the collector region including the effect of buried-layer.

youdao

本文从包括埋层影响的集区杂质分布出发，求出了寄生PNP晶体管的共基极电流放大系数。

We try to obtain the common-base current gain a of the parasitic PNP transistor from the eloping profile of the collector region including the effect of buried-layer.

youdao