The effect of radio frequency interference in MOS operational amplifiers is dealt with. In order to obtain analytical expressions which can be useful for design purposes, a second-order nonlinear circuit analysis has been performed. This approach grants a good insight in the nonlinear mechanisms involved in the RFI induced DC offset shift in operational amplifiers and allows us to relate this behavior to design parameters and parasitics. The validity of the proposed model is discussed, comparing theoretical predictions with computer simulations and experimental measurements.

Nonlinear effects of RF interference in MOS operational amplifiers / Fiori, Franco; Crovetti, Paolo Stefano. - 1:(2001), pp. 201-204. (Intervento presentato al convegno ICECS 2001. 8th IEEE International Conference on Electronics, Circuits and Systems tenutosi a Malta nel 01-05 Sep 2001) [10.1109/ICECS.2001.957715].

Nonlinear effects of RF interference in MOS operational amplifiers

FIORI, Franco;CROVETTI, Paolo Stefano
2001

Abstract

The effect of radio frequency interference in MOS operational amplifiers is dealt with. In order to obtain analytical expressions which can be useful for design purposes, a second-order nonlinear circuit analysis has been performed. This approach grants a good insight in the nonlinear mechanisms involved in the RFI induced DC offset shift in operational amplifiers and allows us to relate this behavior to design parameters and parasitics. The validity of the proposed model is discussed, comparing theoretical predictions with computer simulations and experimental measurements.
2001
0780370570
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11583/1673704
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