Design and Experimental Evaluation of Quadrature Oscillator Employing Single FB

Design and Experimental Evaluation of Quadrature Oscillator Employing Single FB–VDBA

Published:2016-04-01 Issue:2 Volume:67 Page:137-142
ISSN:1339-309X
Container-title:Journal of Electrical Engineering
language:en
Short-container-title:

Author:

Yesil Abdullah¹,Kacar Firat¹,Gurkan Koray¹

Affiliation:

1. Department of Electrical and Electronics Engineering, Istanbul University, 34320, Istanbul, Turkey

Abstract

Abstract This paper presents an attractive and a new voltage-mode quadrature oscillator using a single Fully Balanced-Voltage Differencing Buffer Amplifier (FB-VDBA) as the active element. The circuit structure is very simple, consisting of merely one FB-VDBA, one resistor and two capacitors. The circuit is implemented using the commonly available OPA860 which results in low output impedance and high current drive capability. The proposed circuit also has a suitable architecture for IC production. Experimental results which are matched well with the theoretical assumptions are given.

Publisher

Walter de Gruyter GmbH

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