And this paper has main three tasks as below. 1. Research and analysis the indicators of base station RF receiver system, including the reference sensitivity, intermodulation characteristics, adjacent channel selectivity, blocking characteristics, dynamic range and AGC systems. 2. 此研究与设计主要分为以下三个方面:1、基站接收机系统射频指标的研究与分析,包括参考灵敏度、互调特性、邻道选择性(ACS)、阻塞特性、动态范围和AGC系统等。