可編程邏輯器件是當(dāng)今IC 領(lǐng)域中發(fā)展迅速,應(yīng)用廣泛的器件之一。介紹了CPLD 在調(diào)頻式位移傳感器測量系統(tǒng)中的一種應(yīng)用. 新設(shè)計的傳感器接口電路,解決了利用現(xiàn)有的IC 器件進行設(shè)計所不能解決的問題,簡化了整個電路系統(tǒng)的設(shè)計,提高了系統(tǒng)的抗干擾能力和計數(shù)準(zhǔn)確度。
關(guān)鍵詞:復(fù)雜可編程邏輯器件; 調(diào)頻; 位移; 接口電路
Abstract :CPLD is one of the ICs that developed rapidly and be used widely in nowadays. One application of CPLD in the measuring system of using frequency modulation displacement sensor is introduced. The sensor’s in2 terface circuit of new designed solved the problem that using exiting IC device to design can’t settle ,the whole circuit system is simplified ,its anti2jamming ability ,and the accuracy of counting is improved.
Key words :complex programmable logic devices(CPLD) ; frequency modulated ; displacement ; interface circuit