Caracterização de amplificador de transcondutância diferencial de diferenças baseada em inversores CMOS

Abstract

This dissertation presents the Differential Transconductance Differences Amplifier (FDDTA) architecture based on CMOS inverters. Designed on a 130 nm CMOS process, it operates in weak inversion when supplied with 0.25 V. Furthermore, FDDTA does not require supplemental external calibration circuitry such as bias current or voltage sources as it relies on the distributed layout technique that intrinsically matches CMOS inverters. For analytical purposes, we performed a detailed investigation that describes all the concepts and the entire functioning of the FDDTA architecture.