Voltage controlled resistor using quasi-floating-gate MOSFETs

A voltage controlled resistor (VCR) using quasi-floating-gate MOSFETs (QFGMOS) suitable for low voltage applications is presented. The performance of the VCR implemented with QFGMOS is compared with its floating-gate MOSFET (FGMOS) version. It was found that QFGMOS offers better performance than FGM...

Full description

Saved in:
Bibliographic Details
Published inMaejo international journal of science and technology Vol. 7; no. 1; pp. 16 - 25
Main Author Susheel Sharma
Format Journal Article
LanguageEnglish
Published Maejo University 01.01.2013
Subjects
floating- gate MOSFET
quasi-floating-gate MOSFET
voltage controlled resistor
Online AccessGet full text

Cover

More Information
Summary:A voltage controlled resistor (VCR) using quasi-floating-gate MOSFETs (QFGMOS) suitable for low voltage applications is presented. The performance of the VCR implemented with QFGMOS is compared with its floating-gate MOSFET (FGMOS) version. It was found that QFGMOS offers better performance than FGMOS in terms of frequency response, offsets and chip area. The VCR using QFGMOS offers high bandwidth and low power dissipation and yields high value of resistance as compared to its FGMOS counterpart. The workability of the presented circuits was tested by PSpice simulations using level 3 parameters of 0.5μm CMOS technology with supply voltage of ± 0.75V. The simulations results were found to be in accordance with the theoretical predictions.
ISSN:1905-7873
1905-7873