Journal of Electrical Engineering and Electronic TechnologyISSN: 2325-9833

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Rammal J Author

jrammal@muc.edu.lb (961) 81773172 | (961) 817731

Subjects of specialization
Fault detection, Induction machine, Wavelet transform

Affiliation
Faculty of Sciences, Lebanese University, Lebanon, Technology Department, MUC University, Lebanon

Biography

Rammal J was working in the Faculty of Sciences, Lebanese University, Lebanon, Technology Department, MUC University, Lebanon. Doctor has more than 40 publications. Doctor's current research area related to Electrical Technology.

Publications

Research Article Subscription

Microwave Characterization of Silicon Carbide Sample at the ISM Band from 25°C to 165°C

Author(s):

Rammal W, Rammal J, Salameh F, Taoubi M, Fouany J, Alchaddoud A and Canale L

This article presents a microwave characterization at the ISM band (2.45 GHz) for the dielectric properties of a Silicon Carbide sample with high loss tangent from 25°C to 165°C. Different techniques were used to characterize the SiC sample: the cylindrical resonant cavity technique in transmission and reflection mode, the microstrip ring resonator and finally the near field microwave microscopy. The results obtained by the cylindrical resonant cavity (transmissionand reflection) are in good agreement, the relative permittivity and the loss tangent of the SiC increase with temperature by 48% and 190% respectively between 25°C and 165°C. These techniques are accurate but need two thermal cycles. The results obtained by the microstrip ring reso... view more»

DOI: 10.4172/2325-9833.1000160

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