New grounded frequency-dependent negative-resistance (FDNR) and grounded inductance
simulation circuits, employing an operational trans-resistance amplifier (OTRA) along with …

During the last three decades, a large number of new analog circuit building blocks have
emerged beyond the well-known operational amplifier, operational transconductance …

A general topology for realizing nth order voltage-mode universal filter responses with
multiple-input and single-output using only plus type differential difference current conveyor …

ABSTRACT A new nullor–based model to describe the behavior of Operational
Transresistance Amplifiers (OTRAs) is introduced. The new model is composed of four …

Although a variety of applications of the OTRAs have been reported in literature, the pole of
the transresistance gain Rm of the OTRA has been usually considered to affect the …

In this paper, a new active-C filter realizing the general n th-order low-pass voltage transfer
functions using n voltage differencing gain amplifiers (VDGAs) is presented. In this …

Operational transresistance amplifier (OTRA) has attracted considerable attention in the
recent literature in several applications such as impedance simulation, universal biquad …

Two new universal active current-mode filters are proposed, one topology of which is with
three inputs and one output, the other prototype is with single input and three outputs …

This research work brings operational transresistance amplifier (OTRA) based second order
universal filter, with three main filter optimizations like Butterworth, Chebyshev and Bessel …

New high-order current-mode (CM) filter topologies capable of providing all functions
simultaneously are presented. The proposed filters are based on digitally controlled current …