利用SoC单片机的多功能数据采集卡

Multifunctional Data Acquisition Card Based on SoC Single Chip

本文介绍了一种SoC单片机控制的多功能数据采集卡,在输入通道中增加程控滤波、程控增益放大器和多级陷波电路,采集卡的功能选择和参数改变均由SoC单片机软件控制。本文给出了关键部分的电路图、元件参数和实测数据。

This paper introduces a new kind of multifunctional data acquisition card which is controlled by a SoC singlechip computer. The circuits of the core part and the parameters of the components are offered as well as thesoftware chart. Some of the measured data are also offered.