论文部分内容阅读
晶体管的工作状态分为放大、饱合与截止三个区,它们应用在线性放大器中或脉冲数字电路中各自具有不同的特点。本文的目的,是以NPN型管所组成的共射电路为例,来分析放大状态静态工作点的设置与非线性失真的关系,并从非平衡少数截流子在基区的分布入手来阐明开关状态的特点。一、线性放大器的失真与晶体管的开关作用晶体营运用在线性放大器中工作点的设置必须合理,如果工作点偏高可能引起饱合失真,工作点偏低又可能引起截止失真。但是,工作点如果较高而信号幅度却很小,则并不一
The working state of the transistor is divided into three areas of amplification, saturation and ending, they are used in the linear amplifier or pulse digital circuit each have different characteristics. The purpose of this paper is to take the common-mode circuit consisting of NPN-type transistors as an example to analyze the relationship between the setting of the quiescent operating point in the amplified state and the nonlinear distortion. From the distribution of the unbalanced minority- Characteristics of the state. First, the linear amplifier distortion and the transistor switching operation Crystal operating amplifier operating point set must be reasonable, if the working point may cause high saturation distortion, low operating point may cause cut-off distortion. However, if the operating point is high and the signal amplitude is small, then not one