Open AccessBulk‐driven adaptively biased OTA in 0.18 μm CMOS
Author(s) -
Kulej T.,
Khateb F.
Publication year - 2015
Publication title -
electronics letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.375
H-Index - 146
eISSN - 1350-911X
pISSN - 0013-5194
DOI - 10.1049/el.2014.4437
Subject(s) - transconductance , total harmonic distortion , linearity , operational transconductance amplifier , cmos , biasing , operational amplifier , electrical engineering , ranging , voltage , amplifier , swing , distortion (music) , electronic engineering , materials science , engineering , transistor , physics , telecommunications , acoustics
A new solution for a bulk‐driven ultra‐low‐voltage operational transconductance amplifier (OTA) is described. While implemented in a standard 0.18 μm CMOS process, the circuit provides linear operation (total harmonic distortion <1%) for rail‐to‐rail input swing and supply voltages ranging from 0.25 to 0.5 V. The good linearity performance is Maintained over a large range of transconductances and biasing currents.