南京林业大学学报（自然科学版）

JOURNAL OF NANJING FORESTRY UNIVERSITY ›› 2005, Vol. 29 ›› Issue (06): 135-137.doi: 10.3969/j.jssn.1000-2006.2005.06.035

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Design of Online Testing Instrument for PTCR Current-time Characteristic

FANG Hong1, WU Jian-feng2   

  1. 1. Department of Biomedical Engineering, Southeast University, Nanjing 210096 China; 2. Department of Instrument Science and Engineering, Southeast University, Nan]ing 210096 China
  • Online:2005-12-18 Published:2005-12-18

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Abstract: The current-time characteristic of positive temperature coefficient resistor (PRCR) was introduced. The online-test method was proposed to performing PTCR current-time characteristic’s online testing. Testing circuit schematic and its software flow was presented and its work principle was related. The online test instrument of current-time characteristic was fulfilled the online test requirement and a valid device to verify the efficiency of the online PTCR’s current-time characteristic was provided.

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