基于单片机和CPLD的数字式移相信号发生器的设计

Design of digital phase shifting generator based on SCM and CPLD

介绍了一种基于单片机和复杂可编程逻辑器件(CPLD)的高精度数字式移相信号发生器的设计,叙述了其工作原理和设计思想,完成了该移相信号发生器的软硬件的设计。经过半年的使用,表明稳定性好,精度高,效果十分理想,有推广价值。

The paper introduces an approach of digital phase shifting generator of high precision based on single chip microcomputer (SCM) and complex programmable logic device (CPLD). lt mainly illustrates the working principle and its devising philosophy, thus finishes the design of the software and hardware of this generator. It has been used for half a year with satisfactory performance and expected high precision and can be applied to other fields.