【摘要】 介绍采用时间间隔间接测量原理的A/D转换技术,利用89C2051内部比较器,电路简单,成本极低;采用查表方式,表格以“增量的增量”Δ~2形式存放,最大分辨率可达12位。更多还原

【Abstract】 In this paper,a new low cost ADC technique is introduced.It obtains the voltage reading indirectly by measuring the corresponding time interval.The cost is very low.Table lookup method is used,and the data in the table are “the increment of the interval increment”.Its resolution can reach as high as 12-bit.更多还原