阻容耦合放大电路里耦合电容及旁路电容的深度分析  

The depth analysis of coupling capacitance and bypass capacitor in resistance capacitance coupled amplifier circuit

作　　者：邱娜灵[1] 

机构地区：[1]四川建筑职业技术学院,四川德阳618000

出　　处：《信息通信》2017年第7期68-71,共4页Information & Communications

摘　　要：具有稳定静态工作点的单管共射放大电路是模拟电路里的一款经典电路,包含很多的模拟电路知识,其中耦合电容和旁路电容是该电路的重要组成部分。通过电容的特性使电路的交直流通路进行分离,使得该电路的动态性能得到很好的改善。文章将对该电路中耦合电容及旁路电容的工作原理及对频率特性的影响进行深入讨论,并结合仿真软件multisim12进行仿真分析。A single tube common emitter amplifier circuit with stable quiescent operating point is a classical circuit in analog circuits, which contaios a lot of analog circuit knowledge, and the coupling capacitor and bypass capacitor are the important components of the circuit.The AC / DC path of the circuit is separated by the capacitors,so that the dynamic performance of Ihe circuit is improvedlD this paper, Hie working principle and the influence on fhe frequency characteristics of the coupling cap-acitor and bypass capacitor in the circuit are further discussed,combmed with the simulation software multisiml2 analysis.

关 键 词：共射放大电路 耦合电容 旁路电容 MULTISIM 12 

分 类 号：TN722[电子电信—电路与系统]