文档介绍：电压频率转换电路设计报告湖南文理学院芙蓉学院课程设计报告课程名称:电子设计制作与工艺实****专业班级:自动化01班学号(7位)学生姓名:陈鹏指导教师:戴正科完成时间:2013年6月21日报告成绩:评阅意见:评阅教师日期电压频率转换电路绪论随着电子技术和计算机技术的迅速进步,工业自动化得到了快速发展,而在工业控制领域,检测传感器件起着越来越重要的作用,各种先进的传感器正在大量应用。但是很多传感器只提供4~20mA或者0~5V的直流模拟信号输出,而我国煤矿使用的煤矿安全监测系统大部分只允许接入1~5mA或者200~1000Hz的模拟信号,所以在一般工业现场使用的传感器要实现在煤矿的应用,除了考虑防爆因素外,还必须进行输出模拟信号的转换。这种输出信号的转换如果购买专用的转换设备,不仅价格高,使用也不是很方便。实际上自己设计制作一些转换电路也可以方便的实现所需性能。putertechnology,industrialautomationhasbeenrapiddevelopment,andinthefieldofindustrialcontrol,detectionsensorplaysamoreandmoreimportantrole,~20ma,or0~5vdcanalogsignaloutput,essof1~5maoranalogsignalsfrom200~1000hz,soingeneralindustrialfieldusesensorstorealizetheapplicationincoalmine,inadditiontoconsiderexplosion-prooffactor,,notonlythepriceishigh,··························································································································································································································································································································································································································································································································、处理及变换功能电路的设计,在实际生产和操作中有这广泛的应用。本设计是在大二学生学****完《电路》、《电子线路(线性部分)》《信号与系统》等专业课程之后进行的,具有可操作性和应用性,学生能够独立完成。电路信号的转换已经在电子领域中广泛应用,如:采样/保持(S/H)电路、电压比较电路、V/f(电压/频率)转换器、f/V(频率/电压)转换器、V/I(电压/电流)转换器、I/V(电流/电压)转换器、A/D(模/数)转换器、D/A(数/模)转换器等。可以从本