微机在色谱检测器信号输出衰减中的控制

The Computer Controled Attenuation of Signal Output of Chromatographic Detector

中文关键词:  色谱检测器  输出衰减  微机接口

英文关键词:chromatographic detector  attenuation of out put  computer interface

中文摘要:

      阐述了利用微机进行色谱检测器信号输出衰减控制的原理,控制后的衰减挡级误差小于1%,是一个完全可行的线路形式.

英文摘要:

      The principle of controlling attenuation of signal output of chromatographic detector using computer was described, the error of gradation of attenuation after control is less than 1 percent. The proposed control circuits is workable perfectly.