函数发生器设计-孟娜娜.doc

课程设计任务书
学生姓名: 孟娜娜专业班级: 通信0905
指导教师: 王晟工作单位: 信息工程学院
题目: 函数发生器设计
初始条件:
,比较器积分器和差分放大器部分。
。
要求完成的主要任务:
。
,并调试电路功能。
设计任务:
:10Hz~10kHz;
:正弦波VPP=0~3V,三角波VPP=0~5V,方波VPP=0~15V;

,三角波线性失真小于1%,正弦波失真度小于3%
时间安排:
第18周:理论讲解
第19周:理论设计及实验室安装调试;
地点:鉴主15通信工程实验室(1),鉴主13通信工程专业实验室;
撰写设计报告及答辩;地点:鉴主17楼研究室。
指导教师签名: 年月日
系主任(或责任教师)签名: 年月日
目录
摘要········································································1
1总体电路方案设计与选择·····················································1
·······························································1
·························································1
·····················································1
2 电源的设计································································3
3 函数发生器的实现··························································4
···························································4
·························································9

······························································10
4 函数发生器的调试·························································11
····················································11
··················································12
5元器件清单································································13
6 课设总结·································································14
7 心得体会·································································15
参考文献···································································16
摘要
本次课程设计是要求做一个能够产生方波-三角波-,。
各种波形频率段的调整可以由外电路的改变来实现,例如,。
另外也可以做先产生正弦波的电路,,其次经过比较器产生方波,再经过积分电路,产生三角波。获得正弦波时,可以做一个RC正弦波整荡电路。
电路的原理部分的设计,可以是先设计单元电路,然后将各输入输出连接起来。本次试验中,就是先做方波发生电路,电压比较器,然后是积分电路,最后是差动放大电路。
关键字:正弦波、RC正弦波整荡电路、积分电路等
1 总体电路方案设计与选择

(1)频率可调范