简易高精度数字式函数发生器的设计与实现

The Design and Real ixation of Simple High Accuracy Digital Function Generator

本文论述了利用计算机接口技术,D/A转换器及RAM设计制作的简易型16位及12位精度的数字式任意型函数发生器兼D/A转换器,推导了在正弦信号情况下该函数发生器的精度与信号频率及时钟频率间的关系,为存储器容量设计提供了依据。

This argument aimed on the design and product of generator and D/A converter of desired function,with the technique of computer interfacing, D/A converter and RAM,the generator is digital type and simplied in 16 bits and 12 bits accuracy.And derivel the relation ships between the accuracy and the signal frequency and the clock frequency it is the fundation for determine the capacity of memory.