放大器频带宽度 meaning in English

amplifier band width

The factors limiting the frequency band of the wide - band amplifier are introduced . through analyzing the effects of the intrinsic parameters and parasitical on the frequency characteristics , a method of improving fr of mosfet by using short channel device and making mosfet work at the saturation region through raising vgs is put forward ; the effects of different kinds of circuit configurations on the frequency characteristics and the junction voltage on the voltage pattern circuit , current pattern circuit and frequency characteristics are analyzed . according to the linear theory of transconductance which is applied in the bit circuit , the current pattern amplifier circuit , current transfer circuit and output circuit which consist of mosfet and the wide - band amplifier composed of them are put forward
介绍了限制宽带放大器频带宽度的因素，通过分析mosfet的本征参数、寄生参数对频率特性的影响，提出了采用短沟器件、使mosfet工作在饱和区、抬高栅源电压等提高mosfet特征频率的方法；分析了不同电路组态对放大器频率特性的影响、节点电压对电压模电路、电流模电路频率特性的不同影响，根据应用于双极晶体管电路的跨导线性原理，提出了采用mosfet构成的电流模放大电路、电流传输电路、输出电路以及由它们所组成的宽带放大器，获得了良好的频率响应。