New Schmitt Trigger with Controllable Hysteresis using Dual Control Gate-Floating Gate Transistor (DCG-FGT)
Abderrezak Marzaki
V. Bidal
R. Laffont
W. Rahajandraibe
J-M. Portal
R. Bouchakour
International Journal of Reconfigurable and Embedded Systems
Abstract
This paper presents different low voltage adjustable CMOS Schmitt trigger using DCG-FGT transistor. Simple circuits are introduced to provide flexibility to program the hysteresic threshold in this paper. The hysteresis can be controlled accurately at a large voltage range. The proposed Schmitt trigger have been designed using 90nm 1.2V CMOS technology and simulated using Eldo with PSP device models. The simulation results show rail-to-rail operation and adjustable switching voltages VTH- (low switching voltage) and VTH+ (high switching voltage).
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