Measuring thermistor resistance with very low dc power dissipation

被引：6

作者：

Alessandrello, A ^{[1
]}

Brofferio, C ^{[1
]}

Camin, DV ^{[1
]}

Cremonesi, O ^{[1
]}

Giuliani, A ^{[1
]}

Nucciotti, A ^{[1
]}

Pavan, M ^{[1
]}

Perego, M ^{[1
]}

Pessina, G ^{[1
]}

Previtali, E ^{[1
]}

Sisti, M ^{[1
]}

机构：

[1] IST NAZL FIS NUCL,I-20133 MILAN,ITALY

来源：

CRYOGENICS | 1997年 / 37卷 / 01期

关键词：

thermistors; resistance measurement; leakage suppression;

D O I：

10.1016/S0011-2275(96)00093-8

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

A very simple and efficient procedure for measuring thermistor resistances at very low temperatures (down to 5 mK) with d.c. bias voltages is presented. The measurements can be performed with a d.c. power dissipation in the thermistors as low as 10(-18) W or less, as required by the extreme thermistor sensitivity to small heating effects. In particular this method suppresses the effects of the input current of the amplifier used for the measurement. We are using this procedure for the automatic characterization of thermistors with impedances up to 10(9) Ohm at temperatures as low as 10 mK. (C) 1996 Elsevier Science Limited.

引用

页码：27 / 31

页数：5

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