【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。更多还原

【Abstract】 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 per cent. The proposed control circuits is workable perfectly.更多还原