In digital IF receiver based on IF sampling technology, one important issue of system design is how to realize wide instantaneous dynamic range, when the available digits of AD converter is limited.

• 在基于中频采样技术的数字中频接收机中,怎样在ad变换器位数受限的情况下实现较大的系统瞬时动态范围是系统设计中的一个重要问题。