At first, the thesis provided some realizing methods of the sampling feedback and digitally controlled parts of the AGC wideband amplifier, and demonstrated the feasibility of these methods according to applications and performances.

• 首先给出了自动增益控制宽带放大器取样反馈、数字控制部分的多种实现方案,并根据实际应用情况及性能指标要求进行了方案论证。