【摘要】 文中介绍一种性能价格比较高,带光电隔离的12位高速数据采集卡PC-1674的设计,具体给出此卡的性能指标,组成框图及为了提高该卡转换速度所采用的并行技术,最后讲述在绘制该卡的PCB图时应考虑的问题。更多还原

【Abstract】 In this article,it is presented that the design of 12-bit high speed data collection card with op-toisolator according to PC-BUS standard. It is given that the card’s perfrence target,the diagram and the function of the main part. In order to improve the speed of the card’s conversion,the technique of paralling is used. In the last the question of how to router about the card is intruduced. This card is used in the practical system and result is satisfactory.更多还原