大动态范围 PGA 电路的设计与实现

Design and realization of PGA circuit with a wide dynamic range

本文通过理论分析与实验研究，介绍了一个大动态范围ＰＧＡ电路的设计与实现过程，并从理论和实践上证明：大动态范围ＰＧＡ电路是压缩大动态模拟信号动态范围并可提高信号检测精度的一种行之有效的技术方案。

This paper introduces the design and realization of a kind of PGA circuit with large dynamic range.It proves with theoretical analysis and test that PGA circuit with large dynamic range is a effective technical scheme of compressing large dynamic analog signel range and improving check accuracy.