单级阻容耦合晶体管放大器设计方案.pdf

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1、一、设计任务及目的 2二、工作原理及基本关系式3三、已知条件 6四、性能技术指标要求6五、电路的设计与调试7六、误差分析 9七、实验分析与研究 10八、实验总结 11九、参考文献 12一、中文摘要运用节点数等效电路,对单级阻容耦合晶体管共射极放大器的低频特性进行了分析,说明教材中提供的分析方法不能用于讨论放大器的低频特性.关键词：晶体管放大器。增益。频率特性法和晶体管参二、（一）设计任务：设计一个分压式电流负反馈偏置的单级共射级的小信号放大器，输入和输出分别用电容和信号及负载隔直流，设计静态工作点，计算电路元件参数，拟定测试方案和步骤；(1)在面包板或万能板上安装好电路，测量并调整静态工作点。

2、(2)测量设计好的电路的偏置电压和电流；(3)测量所设计电路的实际电压放大倍数；(4)测量所设计电路的实际输入、输出电阻；(5)给所设计的电路加上频率为20KHZ，大小合适的正弦波，调节偏置电阻，用示波器预测输出波形在无失真、饱合失真和截止失真三种情形下，记录相应的偏置电阻大小、ICQ 和波形，并绘制表格；(6)用 EWB 对电路进行仿真，打印仿真结果；(7)写出设计报告。（二）设计目的1、学习晶体管放大器的设计方法；2、研究静态工作点对输出波形的影响及静态工作点的调整方法；3、掌握静态工作点、电压放大倍数的输入电阻、输出电阻的测试方法；4、研究信号源内阻对波形失真的影响。三、（一）工作原理：

3、晶体管放大器中广泛应用图所示电路，称之为阻容耦合共射极放大器。它采用的是分压式电流负反馈偏置电路，放大器的静态工作点Q 主要由及电源电压+所决定，该电路利用电阻的分压固定基极电位.如果满足条件,当温度升高时,结果抑制了的变化，从而获得稳定的静态工作点。文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C1

4、0K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6

5、A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q

6、4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7

7、C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1

8、N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N

9、1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7单级阻容耦合

10、晶体管放大器设计（二）基本关系式：只有当时，才能保证恒定。这是工作点恒定的必要条件，一般取负反馈愈强，电路的稳定性愈好。所以要求即一般取电路的静态工作点由下列关系式确定：=对于小信号放大器，一般取=0.5mA 2mA,=(0.20.5)=文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3

11、 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7

12、ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档

13、编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8

14、R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q

15、7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7

16、文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7电压放大倍数式中，?；为晶

17、体管输入电阻，即输入电阻放大器的输入电阻反映了放大器本身消耗输入信号源功率的大小。若（信号源内阻），则放大器从信号源获取较大电压；若，则放大器从信号源吸取较大电流；若，则放大器从信号源获取最大功率。用“串联电阻法”测量放大器的输入电阻，即在信号源输出与放大器输入端之间，串联一个已知电阻R（一般以选择R 的值接近的值为宜），如图所示。在输出波形不失真的情况下，用晶体管毫伏表或示波器，分别测量出与的值，则=式中。为信号源的输出电压值。输出电阻式中，为晶体管的输出电阻。要严格计算电容、及同时存在时对放大器低频特性的影响，较为复杂。在工程设计中，为了简化计算，通常以每个电容单独存在时的转折频率为基本频

18、率，再降低若干倍作为下限频率。如果放大器的下限频率已知，则可按下列表达式估算：文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8

19、R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q

20、7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7

21、文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4

22、N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R

23、1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5

24、O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7通常取=。四、已知条件：+Vcc=12V，=2k，晶体管3DG100，（有效值），。五、性能指标要求主要技术指标：电路工作稳定性好。实验仪器：COS5020 示波器 1 台，EE1641

25、B 信号源一台，DF1731SD 直流电源一台，万用表一只。4电路工作原理图所示电路为一典型的工作点稳定阻容耦合放大器。RP、组成电流负反馈偏置电路，为晶体管直流负载，与构成交流负载、用来隔直和交流耦合。文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N

26、1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:C

27、F7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 H

28、Q1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ

29、4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码

30、:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3

31、 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7晶体管放大器六、电路的设计与调试：（1）电路设计根据 3DG

32、100 的输出特性曲线，测得=60。要求2K取=0.8A则=13A I1=（5-10）=104A若取则=要求：根据电压放大倍数求得：，文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q

33、7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7

34、文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4

35、N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R

36、1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5

37、O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10

38、K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O76.9 F 取 8F5.08 F 取 6F（2）电路的装调按照设计参数安装电路，接通电路，调整电路，用万用表测得静态工作点：4.7

39、V 2.2V 6.6V 0.69V 0.8mA主要技术指标与测量（1）测量电压增益在放大器输入端加上f=400HZ,正弦波，在输出波形不失真时，测得和的波形如图所示输入输出波形由图可知：/=7.72V/234mV=33（3）测量通频带BW测量方法参见书，将测量结果画在半对数坐标纸上，并连接成曲线。当放大器增益下降到中频的 0.707 倍时所对应的和，故得通频带BW 为 100-900KHZ。文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1

40、N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N

41、1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:C

42、F7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 H

43、Q1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ

44、4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码

45、:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3

46、 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7（4）测量输入电阻测量电路见第三章第一节，输入一固定信号电压，分别测得两端的输出电压V=8V，=7.72V，则=（8/7.72-1）2=2.4K七、误差分析（1）电压增益理论计算值取 33，相对误差=（30-30）/30 100%=0%（2）输入电阻理论值=2.25，实测值=2.05K相对误差（3）输出电阻理论值实测得=2.73K相对误差误差产生的原因：（1）各计算公式为近似公式；（2）元件的实际值与标称值不尽相同；（3）在频率不太高时，的容抗不能忽视；（4）测量仪

47、器仪表的读数误差。八、实验分析与研究（1）影响放大器电压增益的因素从求得的公式可知：晶体管的，而，故不可太大。，则会使。（2）影响放大器通频带的因素从求的公式可知：文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4

48、N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R

49、1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5

50、O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10K4N8R3 HQ1N6A4R1Q7 ZZ4N1Q4Y5O7文档编码:CF7C10