On the limitations of transimpedance amplifiers as tools for low-frequency noise characterization

An experimental set-up for the characterization of low-frequency noise on two terminal devices is reported. The experimental set-up is based on the use of the commercial transimpedance amplifier (TA) EG&G5182. This paper addresses the influence of the TA on the noise characterization process by...

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Bibliographic Details
Published in:Microelectronics 2014-02, Vol.45 (2), p.152-158
Main Authors: Borgarino, Mattia, Betti Beneventi, Giovanni, Doga, Valerio, Pavan, Paolo
Format: Article
Language:English
Subjects:
Amplifiers
Diodes
Electrical characterization
Low-frequency noise
Mathematical analysis
Noise
Noise characterization
Noise modeling
Resistors
Semiconductor device reliability
Tantalum
Terminals
Transimpedance amplifier
Voltage gain
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Summary:An experimental set-up for the characterization of low-frequency noise on two terminal devices is reported. The experimental set-up is based on the use of the commercial transimpedance amplifier (TA) EG&G5182. This paper addresses the influence of the TA on the noise characterization process by describing the TA as a non-ideal operational amplifier with a feedback resistor. The impact of the TA finite input resistance and voltage gain is highlighted through comparison with measurements carried out on resistors and diodes. [Display omitted] •Analysis of the intrinsic limitations of a low-frequency noise experimental set-up.•Analysis of transimpedance amplifiers as tools for noise characterization.•Noise characterization.•Noise modeling.•Guidelines for robust and reliable electrical characterization of noise phenomena.
ISSN:1879-2391
0026-2692
1879-2391
DOI:10.1016/j.mejo.2013.12.007