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In this letter, a drain current noise model that includes the channel thermal noise and the shot noise generated at the source-bulk junction and the drain-bulk junction is presented. A unified analytical expression is derived to ensure excellent continuity with smooth transition of drain current noise from weak- to strong-inversion regimes, including the moderate-inversion region. Excellent agreement between simulated and extracted noise data has shown that the proposed model is accurate over different dimensions and operating conditions.
Date of Publication: Aug. 2012