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Larbi Bellarbi
Mohammed V University in Rabat
Computer Science & IT Electrical & Electronics Engineering

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Referenced Approximation Technique for a Rom-Less Sweep Frequency Synthesizer Atman Jbari; Larbi Bellarbi; Abdelhamid Errachid
International Journal of Electrical and Computer Engineering (IJECE) Vol 6, No 3: June 2016
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (395.401 KB) | DOI: 10.11591/ijece.v6i3.pp1213-1222

Abstract

The main goal of this paper is to present a novel ROM-less direct digital frequency synthesizer for sweep instrumentation systems. It provides a main sweep channel for frequency analysis and a reference channel for phase and amplitude measurement block operating at constant frequency. For phase to amplitude converter, we propose a new trigonometric approximation technique based on a set of reference angles. In addition, we present the design of the proposed synthesizer and its evaluation in Matlab-Simulink environment. The simulation results illustrate the performances and demonstrate the effectiveness of our proposed circuit.
Co-Authors Abdelhamid Errachid Atman Jbari