An efficient approach to enhance bulk-driven amplifiers

An efficient approach to enhance bulk-driven amplifiers In this paper, a single-stage class AB bulk-driven amplifier operating in weak inversion region is proposed. The presented amplifier benefits from an improved high input swing structure using quasi-floating-gate technique. The composite transistors and recycling configuration used at the input stage enable the input differential pair to operate under low supply voltages with larger transconductance as compared to the conventional models at no expense of power budget. The circuit is designed in 0.18 µm CMOS technology and simulation results show 61.5 dB low frequency gain with the gain bandwidth of 30.15 kHz and 55.3 V/ms average slew rate. The total current of 275 nA and 0.6 V supply voltage make the proposed amplifier a suitable choice for ultra-low-power applications. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Analog Integrated Circuits and Signal Processing Springer Journals

An efficient approach to enhance bulk-driven amplifiers

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Publisher
Springer US
Copyright
Copyright © 2017 by Springer Science+Business Media, LLC
Subject
Engineering; Circuits and Systems; Electrical Engineering; Signal,Image and Speech Processing
ISSN
0925-1030
eISSN
1573-1979
D.O.I.
10.1007/s10470-017-1010-7
Publisher site
See Article on Publisher Site

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