The converter USES a high order MASH noise shaping technique and a digital decimation filtering part consisting of comb filters and cascade of half band filters.
该转换器采用了高阶MASH噪声成形技术,而其数字抽取滤波部分则由梳状滤波器与级联的半带滤波器构成。
2
According to the character of FPGA, the FIR digital decimation filter is implemented via using distribution algorithms which are based on the technique of looking up table.