Extremely simple constant-gm technique for low voltage rail-to-rail amplifier input stage

Boram Lee, Ted Higman

Research output: Chapter in Book/Report/Conference proceedingConference contribution

6 Scopus citations

Abstract

In this paper we present a novel, extremely simple constant transconductance (gm) technique for a rail-to-rail CMOS amplifier input stage. While the level shifting technique is one of the most popular conventional methods to achieve constant-gm ([1], [6]), in [1], two PMOS source followers, totalling 4 PMOS transistors, are used for level shifting. But in this paper, only one diode connected NMOS transistor is used and similar results to the conventional level shifting method have been achieved. Rail-to-rail input stage with 1.6V supply voltage is proposed and simulated by Cadence SPECTRE with TSMC 0.25-μm CMOS technology.

Original languageEnglish (US)
Title of host publication2011 18th IEEE International Conference on Electronics, Circuits, and Systems, ICECS 2011
Pages314-317
Number of pages4
DOIs
StatePublished - Dec 1 2011
Event2011 18th IEEE International Conference on Electronics, Circuits and Systems, ICECS 2011 - Beirut, Lebanon
Duration: Dec 11 2011Dec 14 2011

Publication series

Name2011 18th IEEE International Conference on Electronics, Circuits, and Systems, ICECS 2011

Other

Other2011 18th IEEE International Conference on Electronics, Circuits and Systems, ICECS 2011
CountryLebanon
CityBeirut
Period12/11/1112/14/11

Fingerprint Dive into the research topics of 'Extremely simple constant-gm technique for low voltage rail-to-rail amplifier input stage'. Together they form a unique fingerprint.

Cite this