基于CPCI总线多通道并行A/D采集卡设计

AMulti Channel Parallel A/D Acquisition Card Based on CPCI Bus

提出了一种基于CPCI总线多通道并行A/D采集卡的设计方案。该板卡应用高精度Σ-ΔA/D转换器,研究解决了频率特性不同的多通道电压量实时采集,完成了CPCI总线多通道并行A/D采集卡设计。该板卡既可以实现并行采集,实时性强;又能适用于多种频率被测电压量的情况,适用范围更广。

This paper proposes design and realization for a multi channel paral el A/D acquisition card based on CPCI bus.The card application of high precision sigma delta A/D converter,study and solve the multi-channel voltage real-time acquisition of different frequency characteristics,completed the CPCI bus multi channel paral el A/D acquisition card design.The card not only can realize paral el acquisition,re-al-time;and can be suitable for various frequency of the measured voltage value,wider application range.