IEICE Electronics Express
Online ISSN : 1349-2543
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DC gain enhancement method for recycling folded cascode amplifier in deep submicron CMOS technology
Xiao ZhaoHuajun FangJun Xu
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JOURNALS FREE ACCESS

2011 Volume 8 Issue 17 Pages 1450-1454

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Abstract

A DC gain enhanced recycling folded cascode amplifier with a new positive feedback output stage is presented. The proposed amplifier using positive feedback to cancel the output conductance allows DC gain to be enhanced without affecting the bandwidth of the amplifier. The proposed amplifier was implemented in SMIC standard 65nm CMOS process. Simulation results show that a DC gain enhancement of 35dB is achieved without limiting the bandwidth.

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© 2011 by The Institute of Electronics, Information and Communication Engineers
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