摘要
本文较详细地介绍了所设计的Ａ／Ｄ板的硬件组成及应用软件。实践证明：该板是最廉价的又是最实用的。
The hardware and software of this analogue to digital conversion board which was designed by the authors are introduced in detail in this peper. The experiment shows that this board is not only the cheapest, but also most practical.
