Resumo:
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.