publication . Article . 2010

Realisations of single-resistance-controlled quadrature oscillators using a generalised current follower transconductance amplifier and a unity-gain voltage-follower

Norbert Herencsár; Kamil Vrba; Jaroslav Koton; Abhirup Lahiri;
Open Access English
  • Published: 01 Aug 2010
  • Publisher: Taylor & Francis
  • Country: Czech Republic
Abstract
This article presents realisations of single-resistance-controlled-oscillators (SRCOs) using the recently proposed modern active building block (ABB), namely the generalised current follower transconductance amplifier (GCFTA) and unity-gain voltage-follower (UGVF). The SRCO is made using reduced number of components: one GCFTA and one UGVF as the ABBs, two resistors and two grounded capacitors. The circuit offers the advantage of non-interactive control of condition of oscillation and frequency of oscillation and enjoys low active and passive sensitivities. The circuit is also capable of providing two quadrature voltage outputs. PSPICE simulations have been carr...
Subjects
free text keywords: analogue circuits, single-resistance-controlled-oscillator (SRCO), generalised current follower transconductance amplifier (GCFTA), unity-gain voltage-follower (UGVF), Electrical and Electronic Engineering, Amplifier, Operational transconductance amplifier, Electronic circuit, Electronic engineering, Resistor, law.invention, law, Control theory, Mathematics, Transconductance, Capacitor, Buffer amplifier, Operational amplifier
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publication . Article . 2010

Realisations of single-resistance-controlled quadrature oscillators using a generalised current follower transconductance amplifier and a unity-gain voltage-follower

Norbert Herencsár; Kamil Vrba; Jaroslav Koton; Abhirup Lahiri;