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A 0.5 V Quasi-Floating-Gate (QFG) inverter-based class-AB gain-bandwidth independent amplifier
Author(s)
Suadet, Apirak
Date Issued
December 1, 2011
Type
Conference Paper
Abstract
This paper presents a 0.5 V QFG inverter-based class-AB gain-bandwidth independent amplifier. The circuit employs positive feedback to enhance the input impedance, and feed-forward technique to suppress the common-mode gain. The circuit is designed using 0.18 μm CMOS technology under 0.5 V supply. The simulation results show nearly constant bandwidth for various gain, rail-to-rail input/output swing, suppressed common-mode response, and good linearity. The power dissipation is 275 μW. © 2011 IEEE.
Citation
Iccaie 2011 2011 IEEE Conference on Computer Applications and Industrial Electronics, 245-249, 2011