函数信号发生器设计和制作.doc

第 第 PAGE \* MERGEFORMAT 2 页 南京铁道职业技术学院课程项目报告课程名称 电子产品设计与制作 项目名称 函数信号发生器设计与制作 作者 学号 团队成员 指导老师 二级学院 通信信号学院 院 系 电子电气系 专 业 电子信息工程技术 班 级 电子信息1301 2015年6月报告中文摘要函数信号发生器设计与制作摘要 随着集成制造技术的不断发展，多功能信号发生器已被制作成专用集成电路。函数信号发生器就是一种常见的信号源，广泛的应用于电子电路、自动控制系统和数学实验等领域。因此函数信号发生器是我们在学习、科学研究等方面不可或缺的工具。利用集成电路LM358制作的函数信号发生器设计要求输出200Hz～50kHz的正弦波、方波和三角波三种波形，分两波段连续可调；输出电压范围（0～10）Vp-p。利用Protel 99 SE绘制出电路图，在PCB板上进行布线印制出电路板，并将元器件焊接到电路板做出实物板，对实物板进行调试。通过老师的指导和我们不断的学习和研究完成了预想的功能。关键词 集成片、函数信号发生器、三种波形目 次 1引言··························································5 2 项目制作·····················································5 2.1项目要求··················································5 2.2正弦波产生电路的设计······································6 2.3方波产生电路的设计········································9 2.4三角波产生电路的设计·····································10 2.5输出电路的设计···········································11 2.6直流稳压电源的设计·······································12 2.7项目原理图···············································123主要元器件介绍···············································13 3.1 LM358集成电路···········································13 3.2 TL074集成电路···········································14 3.3 三端稳压集成电路·········································14 3.4发光二极管···············································15 3.5电阻器···················································15 3.6电容器···················································16 3.7二极管···················································16 3.8变压器···················································164印刷电路板设计与制作过程·····································17 4.1制作菲林图片·············································17 4.2曝光·····················································17 4.3显影 ····················································17 4.4蚀刻 ···········