Journal
INTERNATIONAL JOURNAL OF CIRCUIT THEORY AND APPLICATIONS
Volume 44, Issue 1, Pages 38-59Publisher
WILEY-BLACKWELL
DOI: 10.1002/cta.2061
Keywords
analog design automation; linear analog circuits; pole-zero extraction; small-signal analysis; symbolic analysis
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Funding
- MIUR (Italian Ministry of Education, University and Scientific Research) [PON02_00355_3391233]
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In this paper, we discuss a symbolic simplification methodology to derive approximated factorized forms of the transfer function of multistage amplifiers in the complex frequency domain. The developed approach is useful for hand calculation and is also suitable to be implemented in symbolic computer-aided design tools. Although the proposed methodology is mainly intended for the analysis and design of operational transconductance amplifiers, it can straightforwardly be applied to the small-signal analysis of any analog linear circuit. Design examples are provided to verify the effectiveness of the proposed approach implemented through a Matlab function. Copyright (C) 2015 John Wiley & Sons, Ltd.
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