Single-stage amplifiers with gain enhancement and improved energy-efficiency employing voltage-combiners

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Abstract

This paper presents the design of single-stage amplifiers with enhanced DC gain without the need of using any cascode devices or any positive-feedback or feed-forward techniques. Instead, two voltage-combiners are used in replacement of the traditional tail current-source that is normally employed to bias the differential-pair. Simulation results of a properly optimized circuit example, using AIDA-C a state-of-the-art multi-objective multi-constraint circuit-level optimization tool, demonstrate that DC gains above 50 dB can be achieved, together with high energy efficiency (a figure-of-merit of about 1300 MHz-pF/mA has been achieved).
Original languageUnknown
Title of host publication-
Pages19-22
DOIs
Publication statusPublished - 1 Jan 2013
Event21st International Conference on Very Large Scale Integration (VLSI-SoC), 2013 IFIP/IEEE -
Duration: 1 Jan 2013 → …

Conference

Conference21st International Conference on Very Large Scale Integration (VLSI-SoC), 2013 IFIP/IEEE
Period1/01/13 → …

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