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1、摘要本次模电课程设计是多路断线报警器，能同时对多个地点进行防盗监控，一旦某处的警戒线被盗碰断，则报警器会立即发出报警声，同时指示出发生盗情的地点。这对财产保管起到了良好的保护作用，随着社会的发展，报警器的使用相当频繁，一个物便价美的报警器自然更是被消费者所喜爱，技术越先进，百姓的生活也得到了提高，在一定程度上有益于社会的稳定和繁荣。本次课程设计电路由检测电路、LED指示电路、触发控制电路、音频振荡器和音频放大输出电路组成，检测电路是由电阻、非门、开关组成，LED指示电路是由发光二极管、电阻组成，触发控制电
2、路是由与非门、电阻、二极管，音频振荡器是由与非门、电阻、电容组成，音频放大输出电路是由三极管、电阻、扬声器组成。关键词报警器；监控；二极管；扬声器；三极管XIXABSTRACTTheanalogelectronictechnologycoursedesignisadisconnectedalarm,cansimultaneouslyonmultiplesitesofanti-theftmonitoring,onceacordonwasbroken,thealarmwillimmediatelysendou
3、talarmsound,atthesametimeindicatingthefthappensplace.Thepreservationofpropertyplaysagoodprotectiveeffect,alongwiththedevelopmentofsociety,theusefulnessofconsiderablealarm,acheapbeautifulalarmcertainlywasthefavoriteofconsumers,thetechnologyismoreadvanced,p
4、eoplelifeisimprovedinacertainextent,isbeneficialtothestabilityandprosperityofoursociety.Thecurriculumdesigncircuitcomprisesadetectioncircuit,LEDcircuit,atriggeringcontrolcircuit,anaudiooscillatorandtheoutputaudioamplificationcircuit,detectingcircuitiscomp
5、osedofresistors,gate,switch,LEDindicatingcircuitiscomposedoflightemittingdiodes,resistors,triggercontrolcircuitiscomposedofaNANDgate,resistance,diode,anaudiooscillatoriscomposedofNANDgate,resistor,capacitor,anaudioamplifyingoutputcircuitiscomposedofatriod
6、e,aresistor,aloudspeaker.Keywordsalarm；monitor；diode；speaker；triodeXIXXIX目录1电路方案设计··················································31.1设计要求·················································31.2设计的基本方案···········································31.3功能及工作原理说
7、明·······································32多路断线报警器仿真分析········································72.1多路断线报警器的参数选择·································72.2电路的仿真···············································72.3调试结果分析·············································83
8、多路断线报警器硬件系统的设计··································103.1PCB电路图XIX···············································103.2多路断线报警器元件清单···································104课程设计总结··············································
