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本文介绍一种用集成电路实现的纯硬件多点温度巡回检测仪的电路设计原理．该电路没有ＣＰＵ．不用编程．用ＡＤ５９０作温度传感器，５Ｇ１４４３３作Ａ／Ｄ转换器．能对８路（或单路）温度进行巡回检测．并以数字显示。选择一致性较好的传感器，准确度可达±１℃。
This article describes a pure hardware implementation of integrated circuit multi-point temperature circuit tester circuit design principles. This circuit has no CPU. No programming. Use AD590 as temperature sensor, 5G14433 make A / D converter. Can 8 (or single) temperature circuit detection. And figures show. Select a better consistency of the sensor, accuracy up to ± 1 ℃.