This article describes a method for voltage noise measurements with a sensitivity superior to that of conventional methods. This is obtained by resorting to an original three-channel amplifier configuration and by following a four-step measurement procedure. A comparative analysis of this method and the conventional cross-correlation technique is presented. SPICE simulations and noise measurements performed on a prototype circuit demonstrate the validity of the proposed approach.
Three-channel amplifier for high-sensitivity voltage noise measurements
GIUSI, Gino;CIOFI, Carmine;
2006-01-01
Abstract
This article describes a method for voltage noise measurements with a sensitivity superior to that of conventional methods. This is obtained by resorting to an original three-channel amplifier configuration and by following a four-step measurement procedure. A comparative analysis of this method and the conventional cross-correlation technique is presented. SPICE simulations and noise measurements performed on a prototype circuit demonstrate the validity of the proposed approach.File in questo prodotto:
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