Noise Source Calibration One of the key performance parameters for noise figure is the level of measurement uncertainty. A significant contributor to this is the uncertainty surrounding the noise source used when measuring noise figure on your device. Accurate noise source calibration is critical to minimizing noise source uncertainty, and thus a critical factor for obtaining quality noise figure measurements. The Agilent N2002A noise source test set is a stand-alone instrument that operates as an integral part of a noise source calibration system. The low cost, easy-to-use N2002A, as part of a calibration system, helps deliver fast, accurate, repeatable calibration results with minimal levels of uncertainty.