ispPAC20实现的应用电路

Applied Circuit Realized with ispPAC

介绍利用ispPAC2 0器件实现的 3种应用电路。压力测量报警电路 :介绍了压力测量电桥与器件的接口 ,如何实现线性放大 ,并用其内部的比较器实现过压报警 ,报警门限可在其内部任意设定 ;温度监控电路 :其工作情况与压力测量报警电路相近 ;压控振荡器 :利用其内部的放大器、积分器和比较器 ,通过改变极性和比较器的输出模式 ,实现了电压控制的方波和三角波发生器 ,并给出了仿真波形 ,其结果验证了方案设计的正确性 ,从而说明了利用EDA技术实现电子系统的优越性。

The paper introduces three application circuits using the ispPAC device.(1) Circuit of pressure measurement and alarm:Introducing the interface between pressure measurement circuit and the ispPAC device,and the way to realize linear magnification,and alarm of over voltage using the internal comparator.The alarm threshold can be randomly given inside.(2) Circuit of temperature monitor:Its work status is similar to the circuit of pressure measurement and alarm.(3) VCF:Using the internal amplifier,comparator and changing the polarity and the output of comparator to realize the generation of square wave and triangle wave.The paper also gives the simulation wave and the simulation result proves the rightness of the designed project.As a consequence it shows the advantage of EDA technology in the electronics system.