FACTA UNIVERSITATIS
SERIES: ELECTRONICS AND ENERGETICS

Editor-in-Chief: V.S.STOJANOVIC,   email: vitko@elfak.ni.ac.yu
University of Niš,
Serbia and Montenegro

Corresponding address: Faculty of Electronic Engineering, Department of Electronics,
                       Beogradska 14, P.O. Box 73, 18000 Niš, 
                       Serbia and Montenegro
                       Phone: +381-18-588-399
                       Fax:   +381-18-588-442

Editorial Board:


G.DIMIROVSKI, Istanbul, Turkey        V.SHMERKO, Szczecin, Poland
B.HARRISON, Brisbane, Australia       N.STOJADINOVIC, Niš, Sebia
J.M.KONTOLEON, Thessaloniki, Greece   I.STOJANOVIC, Belgrade, Serbia
B.LANKL, Neubiberg, Germany           M.STOJIC, Belgrade, Serbia
M.LUTOVAC, Belgrade, Serbia           Z.TANG, Miyazaki-shi, Japan      
B.MILOVANOVIC, Niš, Serbia            J.TSOUKALAS, Thessaloniki, Greece     
V.MILOSEVIC, Novi Sad, Serbia         H.WONG, Hong Kong    
T.MURESAN, Timisoara, Romania         W.WEBER Bochum, Germany        
J.NAHMAN, Belgrade, Serbia            I.YATCHEV, Sofia, Bulgaria     
G.SCARBATA, Ilmenau, Germany         

                                     


Secretary: S.V.NIKOLIC, University of Nis.

 This publication was in part supported by the Serbian Scientific Fondation

Tehnical support: Z.A.Ilic, University of Niš, Serbia and Montenegro
Published by University of Niš, Univerzitetski trg 2, P.O. Box 123,18000 Niš, Serbia and Montenegro
© 2003 by University of Niš, Serbia and Montenegro.
Enquiries concerning sale and distribution are to be addressed to the Publisher.
Printed by -Xcopy- 18000 Nis, Serbia and Montenegro