RCV420在微机测控系统的检测电路中的应用  

The Application of RCV420 on examine and measure circuit of computer measure control system

作　　者：黄喜云 周广兴[2] 李明学[2] 

机构地区：[1]鸡西市赛龙水泥制造有限公司,158100 [2]鸡西市黑龙江科技学院计算机与信息工程系,188158105

出　　处：《微计算机信息》2001年第11期52-53,共2页Control & Automation

摘　　要：本文通过对微机测控系统中常用的由电阻和运放组成的Ｉ／Ｕ变换电路原理的阐述，指出了该电路的优点和缺点。为了克服这些缺点，采用了ＲＣＶ４２０精密Ｉ／Ｕ变换器。同时对该芯片的参数、性能和使用等作了较详细的介绍。This text expatiate the elements of I/U switch circuit,which consists of the resistance and operational amplifier in common use in the Computer Measure Control System.That points out the advantage and the disadvantage about this circuit.In order to overcome the disadvantage it adopts precise I/U converter—RCV420.At the same time it introduced in detail of the parameter,capability and usage about the chip.

关 键 词：微机测控系统 检测电路 RCV420 I/U转换电路 

分 类 号：TP273.5[自动化与计算机技术—检测技术与自动化装置]