A precise 1/f noise spectroscopy setup for sensor characterization

被引：1
|
作者：
Kohl, F [1 ]
Beigelbeck, R [1 ]
Keplinger, F [1 ]
Jachimowicz, A [1 ]
Steurer, J [1 ]
机构：
[1] Austrian Acad Sci, Res Unit Integrated Sensor Syst, A-1010 Vienna, Austria
来源：
PROCEEDINGS OF THE IEEE SENSORS 2004, VOLS 1-3 | 2004年
关键词：
D O I：
10.1109/ICSENS.2004.1426378
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We investigated the detection limit of a high-resolution modular instrumentation for current noise (1/f noise) spectroscopy. Rejecting amplifier noise as well as the thermal noise of two-pole resistive sensors (TPRS), the setup performs direct measurements of the power spectral density (PDS) of 1/f conductivity fluctuations of such TPRS. This enables the characterization of devices exhibiting very low current noise. Accordingly, expressions based on given measurement conditions are derived for the sensitivity and the accuracy of the method. These features are theoretically limited only by the time available for a measurement. The experimental results fully agree with theoretical predictions and confirm sub-thermal noise sensitivity aside with high spectral resolution.
引用
收藏
页码：1143 / 1146
页数：4
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