基于FPGA和ACPL-224的双极性数字信号系统的设计与实现

Bipolar Digital Signal Acquisition and Processing System Based on FPGA and ACPL-224

为了减少外部因素对设备带来的损害,满足一些系统对设备快速连接的准确性和可靠性的要求,提出了一种双极性数字信号采集系统的设计方法。该设计以FPGA器件为核心,选用ACPL-224作为数据采集接口芯片。论述了系统原理,详细介绍了接口电路设计、逻辑设计和数据处理方式等。双极性设计方法扩大了系统对外部信号的适应范围,提高了系统接口快速连接的效率。

For reducing the harm of external factor to equipment,fulfill some system＇s requirement at the veracity and reliability of equipment＇s quickly connect.A design method of bipolar DS acquisition system is proposed.The design centers on the FPGA device,chooses ACPL-224 for chip of the interface about data acquisition.Discusses system principle,and go into introduces the design of interface circuit,the design of logic and the method of data processing etc.The method of bipolar design extend this system＇s adaptive range of external signal,enhance the efficiency of interface＇s quickly connect.