- Turkish Journal of Electrical Engineering and Computer Science
- Vol: 20 Issue: 4
- Voltage- and current-controlled high CMRR instrumentation amplifier using CMOS current conveyors
Voltage- and current-controlled high CMRR instrumentation amplifier using CMOS current conveyors
Authors : Hamdi Ercan, Sezai Alper Tekin, Mustafa Alçi
Pages : 547-556
View : 8 | Download : 2
Publication Date : 9999-12-31
Article Type : Makaleler
Abstract :A new approach to the design of an instrumentation amplifier using only 2 CMOS current-controlled conveyors and an active resistor is introduced. The new approach, which has no passive components, offers a wide bandwidth and a high common-mode rejection ratio (CMRR). Electronically controllable gain by voltage and current is also obtained by this new circuit. The circuit is simulated using the parameters of a 0.35-m m TSMC CMOS technology. Theoretical analysis of the circuits was carried out, and the performance of the block circuit was confirmed through PSpice simulation results.Keywords : Current-mode circuits, Instrumentation amplifier, CMOS current conveyor, Common-mode rejection ratio (CMRR)