The required signal bandwidth is 1.25MHz.This modulator uses MASH2-1-1mbit architecture with 4 bit quantizer in the last stage and OSR of 16 which means 40MHz sampling frequency.

• 调制器信号带宽要求为1.；25MHz，结构采用MASH2-1-1mbit结构，最后一级采用4位量化，过采样率为16，采样频率为40MHz。