单管放大电路实验报告

单管放大电路实验报告

班级 姓名 学号

单管放大电路实验报告 ................................................................................................................... 1

一、实验目的 ........................................................................................................................... 3 二、实验内容 ........................................................................................................................... 3 三、实验准备 ........................................................................................................................... 4

1．实测晶体管β值 ......................................................................................................... 4 2．预习计算 ..................................................................................................................... 5

（1）ICQ=1mA的静态工作点及动态参数 .............................................................. 5 （2）ICQ=2mA的静态工作点及动态参数 .............................................................. 5 （3）改接电容Ce之后的动态参数（ICQ=1mA） .................................................. 5

四、仿真 ................................................................................................................................... 6

1．ICQ=1mA时 .................................................................................................................. 6

（1）Q点 ................................................................................................................. 6 （2）放大倍数 ......................................................................................................... 6 （3）Ri ...................................................................................................................... 7 （4）RO ..................................................................................................................... 8 （5）幅频特性 ....................................................................................................... 10 2．ICQ=2mA时 ................................................................................................................ 11

（1）Q点 ............................................................................................................... 11 （2）放大倍数 ....................................................................................................... 11 （3）Ri .................................................................................................................... 12 （4）RO ................................................................................................................... 13 （5）幅频特性 ....................................................................................................... 15 3．改接电容Ce .............................................................................................................. 16

（1）放大倍数 ....................................................................................................... 16 （2） Ri .................................................................................................................. 17 （3） Ro ................................................................................................................. 18 4．最大不失真输出电压Uom ........................................................................................ 19 5．仿真数据整理 ........................................................................................................... 21 五、硬件实验 ......................................................................................................................... 21

1．波形截图 ................................................................................................................... 21 2．数据记录 ................................................................................................................... 23 六、数据处理与分析 ............................................................................................................. 24

1．幅频特性曲线绘制 ................................................................................................... 24 2．理论计算值、仿真数据、实验数据比较 ............................................................... 24 3．误差分析 ................................................................................................................... 25

（1）总体分析 ....................................................................................................... 25 （2）逐项分析 ....................................................................................................... 25 4．发射极电阻对放大电路动态参数的影响 ............................................................... 26 5．静态工作点对最大不失真输出电压的影响 ........................................................... 26 七、实验总结与思考题 ......................................................................................................... 26

1．总结放大电路主要性能指标的测试方法 ............................................................... 26 2．思考题 ....................................................................................................................... 26

1. 掌握放大电路静态工作点的调整与测试方法。

2. 掌握放大电路主要性能指标的测试方法，了解静态工作点对动态性能的影响。 3. 掌握晶体管输出特性曲线的测试方法。

4. 掌握晶体管输出特性、放大电路静态工作点和动态参数的仿真测 …… 此处隐藏：4260字，全部文档内容请下载后查看。喜欢就下载吧 ……