用verilog编写的高速8路并行dds模块，用于与高速da(1ghz或以上)接口产生任意频率正弦波，模块已经经过工程验证，用于产品中。-Verilog prepared with high-speed 8-way parallel dds modules for use with high-speed da (1ghz or above) interface have any frequency sine wave, the module has been proof for the prod