FACTA UNIVERSITATIS
SERIES: ELECTRONICS AND ENERGETICS,

Editor: V.S.STOJANOVIC,   email: vitko@elfak.ni.ac.yu
University of Nis,
Yugoslavia

Corresponding address: Faculty of Electronic Engineering, Department of Electronics,
                       P.O. Box 73, 18000 Nis, 
                       Yugoslavia
                       Phone: +381-18-46-578
                       Fax:   +381-18-46-180

Editorial Board:

B.HARRISON, Brisbane, Australia      N.STOJADINOVIC, Nis, Yugoslavia     
J.M.KONTOLEON, Thessaloniki, Greece  I.STOJANOVIC, Belgrade, Yugoslavia   
M.LUTOVAC, Belgrade, Yugoslavia      M.STOJIC, Belgrade, Yugoslavia
B.MILOVANOVIC, Nis, Yugoslavia       Z.TANG, Miyazaki-shi, Japan
V.MILOSEVIC, Novi Sad, Yugoslavia    K.TRONDLE, Neubiberg, Germany
T.MURESAN, Timisoara, Romania        J.TSOUKALAS, Thessaloniki, Greece
J.NAHMAN, Belgrade, Yugoslavia       I.VERESHCHAGIN, Moscow, Russia
G.SCARBATA, Ilmenau, Germany         W.WEBER, Bochum, 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 Nis, Yugoslavia

Published by University of Nis, Univerzitetski trg 2, P.O. Box 123,18000 Nis, Yugoslavia

2000 by University of Nis, Yugoslavia

Enquiries concerning sale and distribution are to be addressed to the Publisher.