New approach to design OTA using feedback control systems theory

This paper describes a new approach to design OTA amplifiers, based on the well-known feedback control systems theory and on the response of a LTI system to a unit step. It is possible to specify the signal transient from the definition of overshoot and settling time. Consequently, from the proposed...

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Main Authors: de Carvalho Ferreira, L.H., Pimenta, T.C.
Format: Conference Proceeding
Language:English
Subjects:
Circuits
Damping
Feedback control
Frequency
MOSFETs
Operational amplifiers
Poles and zeros
Signal analysis
Transfer functions
Transient analysis
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Pimenta, T.C.
description This paper describes a new approach to design OTA amplifiers, based on the well-known feedback control systems theory and on the response of a LTI system to a unit step. It is possible to specify the signal transient from the definition of overshoot and settling time. Consequently, from the proposed approach it can be verified that phase margin, unit gain frequency, DC gain and slew rate are functions of the natural oscillating frequency and the damping coefficient.
doi_str_mv 10.1109/ICM.2004.1434763
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subjects Circuits
Damping
Feedback control
Frequency
MOSFETs
Operational amplifiers
Poles and zeros
Signal analysis
Transfer functions
Transient analysis
title New approach to design OTA using feedback control systems theory
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