A Noise Immune Double Suspended Gate MOSFET for Ultra Low-Power Applications

Abstract

Purpose -The purpose of this paper is to develop the design and analytical modelling of a noise immune double suspended gate MOSFET (DSG-MOSFET) for ultra-low power applications. Also, Important performance parameters of the proposed structure such as pull-in and pull-out voltages have been thoroughly investigated with respect to the valuable structural parameters. Methods-The design methodology used is EKV based analytical approach to calculate the pull-in and pull-out voltages with ingeniously developed boundary conditions which helps achieving reasonably accurate result. Also, the I-V characteristics has been modelled to justify accuracy. Results-The experimental result shows that the pull-in and pull-out voltages are in millivolts and microvolts range and hence it can be used in ultra-low power applications. As the ratio between the pull-out and the pull-in voltage is 10^(+3) range, justifies that the proposed structure is noise immune. The ID-VGS characteristic has hysteresis and this sharp transition in pull-in and pullout voltage indicates that it can be used as an ideal switch with infinite sub-threshold slope. Conclusion-This paper presents a compact EKV based analytical modelling of pull-in and pull-out voltages for a DSG-MOSFET which predict the device characteristics reasonably similar to simulated results. Also, for the first time the noise immunity for a DSGMOSFET has been analyzed.

A Novel Water Level Control System for Sustainable Aquarium Use

“…Another major role of the pull-down resistor is that of improving the noise immunity of an entire system by effecting a constantly maintained low level of voltage at the gate of the MOSFET and inherently limiting the likelihood of a wrong trigger that might be brought about by wobbling noise. Thus, this results in the overall dependability of the motor controller operation; the latter is by far less vulnerable and sensitive to the impact of electrical interference [17,18].…”

“…pendability of the motor controller operation; the latter is by far less vulnerable and s sitive to the impact of electrical interference [17,18].…”