POWER BALANCE IN HIGH EFFICIENCY PAs P. Colantonio, F. Giannini, G. Leuzzi and E. Limiti Department of Electronic Engineering, University of Roma "Tor Vergata", Via del Politecnico 1, 00133 Roma ­ ITALY. Tel. +39 06 7259 7346 Fax. +390672597343(53) e-mail: paolo.colantonio-uniroma2.it Department of Electrical Engineering, University of L'Aquila ­ Monteluco di Roio, L'Aquila ­ ITALY. ABSTRACT Power

A Modified Anisotropic Perfectly Matcheed Layer Absorbing Boundary Condition for the Time Domain Analysis of Nonlinear and Dispersion Media Masafumi Fujii and Peter Russer Institute for High Frequency Engineering, Technical University of Munich Arcisstrasse 21, D-80333 Munich, Germany Phone:(+49 89) 289 23374 FAX:(+49 89) 289 23365 e-mail: fujii-ei.tum.de We have developed a modified anisotropic p

Versatile and accurate modeling of 2D-PBG materials by use of a full-wave theory for gratings L. Pajewski*, F. Frezza*, and G. Schettini** * Dip. di Ingegneria Elettronica, Università La Sapienza, Via Eudossiana 18, 00184 Roma, Italy E-mail: lara.pajewski-uniroma1.it ** Dip. di Elettronica Applicata, Università Roma Tre, Via della Vasca Navale 84, 00146 Roma, Italy E-mail: g.schettini-uniroma3.it

c u c U U W W g l I & W4 W c u W c e l E I ñ {hð eee g W4 ñr ñr a Y Y S P a Y ~hð E a a S uY Y P ¦Y p Xð À¿ouxÂuQ¿bkhè¯Àþu8ÙÂ{²åÀÍuÀ¿s x " 3ñ x v r v x t }fñXrð E ¯¤8ÈuuD¨vÚÐmÀÍ"¾u8¿ÌCÊpÂÎk8æÕÐÂ{"ÃØ ¾ É ¼ Ð È Ì ñ ð ¿ Ê Ç ¼ Ì æ Í Ç ¾ Ó ã ñ ð ð ~ ÐÇ Ì¿ ÌÈ ¾ Ø Ð Ì Ê Ê¿¼ om È¿ Ñà ¾ Ð Ì Ê ½ Ì Ê Í¿Ã Ø Ð m & r È¿ & m u¯Ç m ¯ëʲÑÂÎp¯À˾¦ÚÇQÍÕÌ%uÎg²åÂ{%QÌu²¿¾æ o t|m tuÇ x |{& ! ti i ²¿Õ¾C

The analysis of a printed dipole antenna array using an enhanced Finite Difference Time Domain method Chris .J.Railton and Geoff. S. Hilton Centre for Communications Research Department of Electronic and Electrical Engineering University of Bristol, Bristol, BS8 1UB, UK Tel : (+44) (0)117 954 5175, Fax : (+44) (0)117 954 5206 email : chris.railton-bris.ac.uk The Finite Difference Time Domain meth

Scattering of TE Waves by Cavity-Backed Slots Aleksandr V. Sulima Institute of Radio Astronomy of National Academy of Sciences of Ukraine, 4 Krasnoznamennaja str., Kharkov 61002, Ukraine sulima-rian.kharkov.ua A rigorous solution of the problem of a TE wave scattering by a finite number of slots in a PEC plane backed by resonant cavities is given. The scattering problem formulated in terms of syst

Synthetic CAD Models for Structures with Right-Angle Conductor Wedges (Conformal Mapping Approach) Alexander G. Schuchinsky Queen's University Belfast, Belfast BT9 5AH, UK, e-mail: a.schuchinsky-ieee.org Novel synthetic CAD models based on the closed-form conformal mappings for auxiliary canonical configurations have been developed for analysis of two- (2-D) and three-dimensional (3-D) structures

Efficient MoM Implementation for Modelling Microstrip Excitations and Loads Avoiding Stub Elements Ulrich Jakobus EM Software & Systems PO Box 1354, Stellenbosch 7599, South Africa e-mail jakobus-emss.co.za New models for the excitation and load of planar microstrip circuits are presented in this paper in connection with a numerical analysis based on the Method of Moments (MoM). These new models

MM/FE CAD and Optimization of Rectangular Combline Filters Fritz Arndt*), and Joern Brandt**) *) Microwave Department, University of Bremen, Otto-Hahn-Allee NW1, D-28359 Bremen, Germany, Phone: +49 421 218 2495, Fax: +49 421 218 7330, e-mail: farndt-physik.uni-bremen.d **) MiG Microwave Innovation Group, Fahrenheitstr. 1, D-28359 Bremen, Germany, Phone: +49 421 220 8299, Fax: +49 421 220 8225, e

Application of the Coupled Mode Theory to the Analysis and Design of PBG Structures in Microstrip Technology Txema Lopetegi, Miguel A. G. Laso, María J. Erro, José A. Leo, and Mario Sorolla Department of Electrical and Electronic Engineering Public University of Navarre, Campus Arrosadia, E-31006 Pamplona, Spain Phone: +34 948 169324 Fax: +34 948 169720 e-mail: mario-unavarra.es In this paper the