| CA—1680型生化分析仪的研制 |
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| 引用本文： | 刘虎,朱建平.CA—1680型生化分析仪的研制[J].中国医疗器械杂志,1997,21(4):191-194,206. |
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| 作者姓名： | 刘虎 朱建平 |
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| 作者单位： | 南京分析仪器厂!210001 |
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| 摘 要： | 本文介绍了ＣＡ－１６８０９型生化分析仪的设计思想，关键零部件结构及计算机软硬件，仪器采用特殊设计的流动吸收池、高性能的光电转换器的程控前置放大器，信号经Ｖ／Ｆ转换器件和可编程计数器实现１６位程控Ａ／Ｄ转换，还用软件转换，这些不但简化了硬件线路，提高了仪器的可靠性，而且使该机具有精度高、准确性好、线性范围宽等特点。
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| 关 键 词： | 生化分析仪 流动吸收池 程控放大器 对数转换 |
Design of CA-1680 Biochemical Analyzer |
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| Liu Hu, Zhu Jianping, Qin Qing, Wang Jian.Design of CA-1680 Biochemical Analyzer[J].Chinese Journal of Medical Instrumentation,1997,21(4):191-194,206. |
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| Authors: | Liu Hu Zhu Jianping Qin Qing Wang Jian |
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| Institution: | Nanjing Analytical Instrument Factory 210001 |
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| Abstract: | The paper provides the design idea structure of key parts software and hardware of microprocessor of CA-1680 Biochemical Analyzer. The instrument uses the specific flow cell high properties photodiode and programmable amplifier. The 16 bit programmable A/D conversion is completed with V/F convertor and programmable counter. Logarithm conversion is completed with software. On Using these methods, the instrument has not only simpler circuit, better reliability, but also the characteristics of accuracy, precision and widely linearity. |
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| Keywords: | Biochemical analyzer Flow cell Programmable amplifier Logarithm conversion Reactant exhaustion |
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