Two-Stage Fully-Differential Inverter-based Self-Biased CMOS Amplifier with High Efficiency

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Abstract

This paper describes a novel two-stage fullydifferential CMOS amplifier comprising two self-biased inverter stages, with optimum compensation and high efficiency. Although it relies on a class A topology, it is shown through simulations, that it achieves the highest efficiency of its class and comparable to the best class AB amplifiers. Due to the selfbiasing, a low variability in the DC gain over process, temperature, and supply is achieved. A detailed circuit analysis, a design methodology for optimization and the most relevant simulation results are presented, together with a final comparison among state-of-the-art amplifiers.
Original languageUnknown
Title of host publicationEEE International Symposium on Circuits and Systems
Pages2828-2831
DOIs
Publication statusPublished - 1 Jan 2010
EventIEEE International Symposium on Circuits and Systems -
Duration: 1 Jan 2010 → …

Conference

ConferenceIEEE International Symposium on Circuits and Systems
Period1/01/10 → …

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