A new wideband electronically tunable grounded resistor employing only three MOS transistors

Abstract

In this paper, a new wideband electronically tunable grounded resistor, namely a grounded voltage controlled resistor (GVCR) including only three MOS transistors, is suggested. The proposed GVCR, without requiring any additional bias currents and voltages, has only one control voltage. Linearity analysis for the proposed GVCR is given. A new second-order multifunctional filter using two differential voltage current conveyors is also included as an application example. Some postlayout simulation results with SPICE are included to show the performance, workability, and effectiveness. © 2016 Tübitak.