改进原子吸收分光光度计的输出显示

Improvement of the Output Display of Atomic Absorption Spectrophotometer

摘要: 采用7107A/D转换器,将原子吸收分光光度计指针式显示改为数字化显示,给出了改进方法,介绍了7107A/D转换器及显示电路原理。通过改进提高了仪器输出读数的分辨率和灵敏度。

Abstract: Using 7107 A/D converter, output display of atomic absorption spectrophotometer was updated from pointer display to digital display. The working principle of 7107 A/D converter and circuit of the digital display were also introduced in detail. The resolut