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.
On the limitations of transipedance amplifiers as tools for low-frequency noise characterization / Borgarino, Mattia; BETTI BENEVENTI, Giovanni; Doga, Valerio; Pavan, Paolo. - In: MICROELECTRONICS JOURNAL. - ISSN 0959-8324. - STAMPA. - 45:2(2014), pp. 152-158. [10.1016/j.mejo.2013.12.007]
On the limitations of transipedance amplifiers as tools for low-frequency noise characterization
BORGARINO, Mattia;BETTI BENEVENTI, GIOVANNI;DOGA, Valerio;PAVAN, Paolo
2014
Abstract
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.
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