实现生物医学设计的热传感器和高近似模拟设备的信号转换器

S. Pavlov, Waldemar Wójcik, R. Holyaka, Longyin Yang, O. Azarov, L. Nykyforova, V.E. Kryvonosov, O. Kaduk
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引用次数: 0

摘要

在分析具有负微分电阻的 I/V 测量转换器时,考虑了这些转换器自热引起的迭代过程不稳定问题。开发了一种确定提供正确直流电热分析的极限的明确方法。提出了热流传感器初级转换器的热阻、二极管和晶体管结构的电热模型合成方法。与著名的电路建模软件包(PSpice 或 MicroCAP)相比,所提出的方法可以在一个直流分析周期内获得 I-V 特性,同时考虑到上述转换器的自热。所开发的差分温度计是一种测量温差的通用设备,尤其适用于热流传感器、生化分析手段、热导率等的实施,其特点是温差测量分辨率不低于 0.001°C。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Realization of signal converters of the thermal sensors and high-lnear analog devices of biomedical designation
Considered problems of instability of iterative processes in the analysis of I/V measuring converters with negative differential resistance caused by self-heating of these converters. An express method of determining the limits in which correct electrothermal DC analysis is provided has been developed. A method of synthesis of electrothermal models of thermoresistive, diode and transistor structures of primary converters of thermal flow sensors is proposed. In contrast to well-known circuit modeling packages (PSpice or MicroCAP), the proposed method allows you to obtain I-V characteristics in one cycle of DC analysis, taking into account the self-heating of the above-mentioned converters. The developed differential thermometer is a universal device for measuring the temperature difference, in particular for the implementation of thermal flow sensors, means of biochemical analysis, thermal conductivity, etc., and is characterized by a temperature difference measurement resolution of no worse than 0.001°C.
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