This article relates to a recently published paper, which presents a current-mode second-
order universal filter for realising lowpass, bandpass and highpass responses. This filter …

The realization of current-mode sinusoidal oscillator using current controlled current
conveyor transconductance amplifier (CCCCTA) and grounded elements is presented. The …

In this paper, a novel family of tunable frequency oscillators comprising ten members is
presented. The frequency in all these oscillators is controlled by varying an amplifier gain …

A circuit consisting of two periodically operated switches, potentiometers, resistors, and
compensated operational amplifiers, but not containing external capacitors, is proposed for …

This paper introduces two electronically controlled current-mode sinusoidal oscillators
employing operational transconductance amplifiers (OTAs). The circuit configurations are …

The purpose of this paper is to introduce a new electronically controlled voltage mode
sinusoidal oscillator (VMSO) using Voltage Differencing Transconductance Amplifiers …

A bipolar-based realization of a current-controlled current differencing buffered amplifier
(CCCDBA) is introduced. It is then employed to realize an electronically tunable quadrature …

This paper presents a new electronically tunable voltage-mode quadrature oscillator using
two high performance current controlled current differencing buffered amplifiers (CCCDBA) …

The quadrature sinusoidal oscillator employing two voltage differencing tranconductance
amplifiers (VDTAs) has been proposed. The condition of oscillation (CO) and frequency of …

This paper presents two new current differencing transconductance amplifiers (CDTAs)-
based electronically tunable current-mode four-phase quadrature oscillators (QO). The …