集成运算放大器应用报告书

韶关学院课程设计说明书（论文）设计题目：集成运算放大器应用课程名称：电子技术课程设计学生姓名：周沛纯学号：13101072056院系：物理与机电工程学院专业班级：13电子2班指导教师姓名及职称：罗欢助教陈锦儒助理实验师起止时间：2015年3月—2015年6月课程设计评分：（教务处制）摘要i波形发生器的设计摘要：各种电器设备要正常工作，常常需要各种波形信号的支持。电器设备中常用的信号有正弦波、矩形波、三角波等。在电器设备中，这些信号是由波形产生和变换电路来提供的。这种能够产生多种波形，如三角波、矩形波（含方波）、正弦波的电路被称为函数信号发生器。函数信号发生器产生的各种波形能满足现代测量、通信、自动控制和热加工、音视频设备及数字系统等对各种信号源的需求。在生产实践和科技领域中有着广泛的应用。本设计采用先产生方波，三角波，再将三角波变换成正弦波的电路设计，利用集成运放构成的比较器和电容的充放电，可以实现集成运放的周期性翻转，进而在输出端产生一个方波。再通过积分器产生三角波，最后通过正弦波转换电路形成正弦波。关键字：正弦波，锯齿波，方波，函数信号发生器。ThedesignofthewaveformgeneratorAbstract:Avarietyofelectricalequipmenttoworkproperly,whichoftenneedthesupportfromavarietyofwaveformsignals.Electricalequipmentcommonlyusedinsignalsinewave,squarewave,trianglewave.Inelectricalequipment,thesesignalsaregeneratedbythewaveformandtheconversioncircuittoprovide.Thiscanproduceavarietyofwaveformssuchastriangularwave,rectangularwave(includingsquare),thesinewavesignalgeneratorcircuitiscalledafunction.Functiongeneratorforavarietyofwaveformstomeetthemodernmeasurement,communications,automaticcontrolandthermalprocessing,audioandvideoequipmentanddigitalsystems,thedemandforavarietyofsources.Productionpracticesandtechnologyinthefieldhasawiderangeofapplications.ThisdesignUSEStoproducesquarewave,trianglewave,trianglewavetransformintosinewaveagaincircuitdesign,integratedop-ampcompositionofcomparatorandcapacitorcharginganddischarging,canrealizeintegratedop-ampperiodicreverse,andtheninasquarewaveoutput.Bytrianglewaveintegrator,finallyformedbysinewaveconversioncircuitsinewave.Keywords:Sinewave,sawtoothwaveandsquarewave,functionsignalgenerator.摘要ii目录1.课题任务.............................................................................................................................................12.电路设计原理...................................................................................................................................12.1方波原理.......................................................................................................................................22.2锯齿波原理...................................................................................................................................32.31V正弦波I原理..........................................................................................................................32.41V正弦波Ⅱ原理..........................................................................................................................43.PCB电路板制作.................................................................................................................................53.1DXP2004软件简介.......................................................................................................................53.2MULTISIM简介...........................................................................................................................53.3原理图设计...................................................................................................................................53.4波形发生器PCB板图设计.........................................................................................................53.5腐蚀加工与PCB板直观检查.....................................................................................................63.6焊接与通电前测试.......................................................................................................................64.波形发生器的测试...............................................................................................................................64.1脉冲波波形测试...........................................................................................................................64.2锯齿波电路测试...........................................................................................................................74.3正弦波I波形测试.......................................................................................................................74.5常见故障检测分析.......................................................................................................................84.5.1计算问题...............................................................................................................................84.5.2缺少滤波电容........................................................................................................................8件。4.5.3线路短路或者断路........................................................................................................85.总结.......................................................................................................................................................8附录........................................................................................................................................................11附录A：电路原理图.......................................................................................................................11附录B：PCB电路板图...................................................................................................................12附录C：实物照片....................................