电路与模拟电子技术
2020-07-21 14:07:36 0 举报AI智能生成
电路与模拟电子技术_electric circuit and analog electronic technology
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电路与模拟电子技术electric circuit and analog electronic technology
电路原理circuit theory
直流电路的分析基尔霍夫定律
星三角电阻转化transform of resistance between star and triangle
网孔回路法解电参量mesh or loop analysisto solve electric parameter
叠加法计算电参量superposition theorem
戴维南等效Thevenin‘s theorem
正弦交流电路分析Sine AC circuit
感抗、容抗inductive reactancecapacitive reactance
交流基尔霍夫定律Kirchhoff's law in AC circuit
向量表示how to show electrical parameter in vector form
RLC电路频率响应frequency response of LC
一阶电路瞬态响应first order circuit‘s transient response
三相交流电three-phase AC
相差120度120 degrees difference between
三相交流电机three phase asynchronous motor
模拟电子技术analog electronic technology
电路元件circuit component
区别场效应管输入阻抗高、稳定性好、利于集成high input resistance、stability、good for integration三极管电流大high current tolerance
二极管diode
one direction conductive
稳压管stabilivolt
三极管transistor
VA characteristic curve
场效应管field-effect transistor
基本放大电路amplifying circuit
设置静态工作点set bias working point
保证不失真guarantee no distortion截止失真 cut-off distortion饱和失真 saturation distortion
共射放大电路
静态工作点 电路图动态参数 电路图放大倍数
直接耦合direct coupling
低频响应好，利于集成good for integration
阻容耦合resistance-capacitance coupling
静态工作点不受影响，结构简单
可以放大电压、电流，带宽窄can amplify voltage and current
共集放大电路
只能放大电流，输入电阻大，输出电阻最小can amplify current only，input resistance big，output resistance is small
放大倍数为1
共基放大电路
只能放大电压，频带宽can only amplify voltage，bandwidth is wide
差分放大电路differential amplifier circuit
共模信号抑制，差模信号放大能力与单只三极管一样restrain common-mode signalamplified ability equal to different-mode signal
电压放大电路voltage amplified circuit
intermodulation distortion 交越失真
反馈对放大电路影响feedback in amplifying circuit
可以通过反馈控制放大倍数through feedback system to control amplification factor拓展带宽 （1+AF）fexpand bandwidth改变输入输出电阻change input output resistance
电压并联负反馈voltage parallel negative feedback
输出电阻、输入电阻为0ideal input、output resistance is 0
电压串联负反馈voltage series negative feedback
input resistance is infiniteoutput resistance is 0
电流并联负反馈current parallel negative feedback
电流串联负反馈current series negative feedback
功放电路power amplifier circuit
三类：180 360 180～360 交越失真
AC／DC变换电路
整流rectification
滤波filtration
稳压voltage stabilization
波形发生电路wave generator circuit
正弦波发生电路自激振荡self-oscillation
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