利用EDA 软件Altera 公司的MAX + PLUS Ⅱ对其公司的芯片EPM7128S 进行开发,设计了一种新型调频式位移传感器接口电路,解决了利用现有的IC 器件进行设计所不能解决的问题,简化了整个电路系统的设计,提高了系统的抗干扰能力。 关键词:可编程逻辑器件;调频式位移传感器;接口电路 Abstract :The design of a new f requency modulation dis2 placement sensor interface circuit which uses pro2 grammable logic device EPM7128S is int roduced. It solved the problem that using exiting IC device to design can’ t settle ,simplified the whole circuit system and im2 proved it s anti2jamming ability. Key words :programmable logic device ;f requency modu2 lation displacement sensor ;interface circuit