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The temperature data collecting system

2016-10-19 22:47  
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The temperature data collecting system
Notes: precision is 0.1%, 1% thin film resistance, Rplat is 1KΩ when it is 0℃. Figure 1-4 the RID signal adjuster of digital linear plat resistance The LT1027 in the circuit is a precise 5V parameter, and its temperature drifting is zppm/℃; the output source is 15mA, the lower is 10mA; the quick reaction is fabulous, which is used to input the parameter of A/D converters, and it is fixed with noise impedance pin; the long-term stabilization is good; when it is in the range of 0.1Hz~10Hz, the noise is lower than 1ppm.