Title :
C.M.R.R. analysis of the 3-op-amp instrumentation amplifier
Author :
Smither, M.A. ; Pugh, D.R. ; Woolard, L.M.
Author_Institution :
University of Houston, Cullen College of Engineering Electrical Engineering Department, Houston, USA
Abstract :
The c.m.r.r. performance of the 3-op-amp instrumentation amplifier is analysed and shown to be, in general, no better than that of a single-op-amp differential amplifier. Only under rather special conditions does the more elaborate amplifier have a c.m.r.r. advantage.
Keywords :
operational amplifiers; 3-op amp instrumentation amplifier; CMRR analysis; common mode rejection ratio;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19770427
