Journal
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I-REGULAR PAPERS
Volume 66, Issue 12, Pages 4557-4570Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TCSI.2019.2933734
Keywords
Poles and zeros; Mathematical model; Time factors; Transconductance; Time-domain analysis; Circuit stability; Step response; feedback amplifiers; frequency compensation; pole-zero doublet
Categories
Funding
- University of Catania
Ask authors/readers for more resources
In this paper we explore the effects of pole-zero compensation in the settling performance of operational transconductance amplifiers (OTAs). We carry out the analysis by exploiting a proficient technique that provides an in-depth comprehension of the time domain behavior from the contour plots of the Normalized Settling Time. Starting from the case of a single-pole amplifier, we show the conditions upon which the settling time is degraded by the slow time constant set by the pole-zero doublet. Then, we extend these results to two-pole amplifiers and provide a useful design equation. Design examples of a two-stage and a single-Miller three-stage OTAs confirm the validity of the proposed theoretical models.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available