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Analysis, modelling and optimization of a gain boosted telescopic amplifier
Author(s) -
Aloisi W.,
Giustolisi G.,
Palumbo G.
Publication year - 2003
Publication title -
international journal of circuit theory and applications
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.364
H-Index - 52
eISSN - 1097-007X
pISSN - 0098-9886
DOI - 10.1002/cta.248
Subject(s) - settling time , amplifier , component (thermodynamics) , computer science , control theory (sociology) , simple (philosophy) , electronic engineering , step response , control engineering , engineering , control (management) , physics , cmos , philosophy , epistemology , artificial intelligence , thermodynamics
In this paper, a thorough analysis of a gain‐boosted telescopic amplifier (GBTA) is presented and a systematic design procedure for optimizing its time response will be given. Specifically, the GBTA closed‐loop time response will be analysed in detail and the constraints eliminating the well‐known ‘slow settling component’ found. Subsequently, an optimization strategy based on the comparison between the GBTA time response and the time response of a pure two‐pole amplifier (referred to as the target system) will be described. This strategy allows the designer to develop a GBTA starting from the target system specifications in a simple and systematic way. The proposed procedure has been validated by means of simulations and excellent agreement found between the simulated and the expected results. Copyright © 2003 John Wiley & Sons, Ltd.