资源描述：
《基于at89s52和max038的程控信号发生器的设计》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。
1、基于AT89S52和MAX038的程控信号发生器的设计Mechanicalandelectricalengineeringin2008,37(10)mechanicalandelectricalengineeringin2008,37(10)figure1signalgeneratorhardwaredesignblockdiagrambasedonAT89S52devicesandthedesignoftheprogrammablesignalgeneratorMAX038XiongChunru,ju-fanghu,guo-binghuang(atthec
2、ollegeofmechanicalandautomationengineering,jiangxiat338031)abstractdate:2008-04-23abstract:thedesignbasedonMCUAT89S52andMAX038signalgenerator,frequencyandamplitudecanbeusedtoproduceprogrammablesinewave,squarewaveandtriangularwavesignaLMAX038functiongeneratorwithasmallamountofperiph
3、eraldeviceresponsibleforgeneratingwaveform,thewaveformafterLM6361broadbandpoweramplifiercircuitoutputvoltageamplificationandleve1.ThemaincontrollerAT89S52isresponsiblefortheselectionofwaveform,frequencymodulation,outputamplitudemodulation,LCDdisplay,keyboardoperation,etc・Keywords:s
4、ignalgenerator;AT89S52;MAX038Chineselibraryclassificationnumber:TN741literatureidentificationcode:Barticlenumber:1009-949210-0069-041(2008)introductionMAXIMMAX038chipisproducedbyourcompanyAhigh-frequency,precisefunctiongenerator,whichonlyrequireslessconnectionTheoutsidedevicecanpro
5、duce0.1Hz~20MHz・ThehighestAtrigofa40MHzThesawtoothwave,thesinewave,Thesquarewaveisaffectedbythepulsewaveandthefrequencyandthecontroloftheairratiormgoingtodo[1]independently.ItcanbeachievedbycontrollingMAX038andotherunitcircuitsbysinglechipAT89S52Controlthetype,frequency,outputmagni
6、tudeofthewaveform,etc.ThischangesthelackofmanualregulationoftraditionalsignalgeneratorsPoints.2signalgeneratorhardwarecircuitdesign2.1hardwarecircuitblockdiagramwholecircuitmainlybyAT89S52singlechipmachineAndpeopleMachineinterface(LCDandkeyboard),powercircuit,Waveformgenerationandc
7、ontrolcircuit(signalgenerationcircuit,frequencycontrolcircuitandSwitchcircuit),outputdrivecircuit(adjustablevoltageamplifiercircuitandworkThecompositionoftheoutputleve1.Thecircuitdiagramisshowninfigure1Itis.2.2unithardwarecircuitdesign2.2.1man-machineinterfaceAdoptTG12864E(128x64)T
8、hegraphicChinesecharactero
