| 新型铂热电阻数字测温电路 |
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| 引用本文： | 马晓明. 新型铂热电阻数字测温电路[J]. 工业仪表与自动化装置, 2012, 0(5): 77-78,82 |
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| 作者姓名： | 马晓明 |
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| 作者单位： | 东北轻合金有限责任公司研发检测中心,哈尔滨,150060 |
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| 摘 要： | 设计的新型铂热电阻数字测温电路主要由集成有A/D的5G14433芯片构成,整个电路分为3部分:温度电压转换,连续式非线性A/D转换器,显示驱动.连续式非线性A/D转换器电路非常简单,线性化精确度高,适用于特性单调变化,而且斜率无急剧变化的传感器.
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| 关 键 词： | 电阻 线性化 精确度 |
The Pt resistance digital temperrature measurement circuit |
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| MA Xiaoming. The Pt resistance digital temperrature measurement circuit[J]. Industrial Instrumentation & Automation, 2012, 0(5): 77-78,82 |
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| Authors: | MA Xiaoming |
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| Affiliation: | MA Xiaoming (Northeast Light Alloy Co. Ltd. ,Harbin 150060, China) |
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| Abstract: | The Pt resistance digital temperature measurement circuit is a use 5G14433 monolithic in- tegrated A/D conversion. The whole circuit is divided into three parts： the temperature voltage conver- sion, continuous nonlinear A/D converter, display driver. The circuit of continuous nonlinear A/D con- verter is very simple, linear and high precision, which is suitable for the characteristics of monotonic changes, and the slope of no dramatic changes in the sensor. |
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| Keywords: | resistance linearity accuracy |
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