Microwave Back-Projection Radar for Wide-area Surveillance System Kenji Inomata, Takashi Hirai Mitsubishi Electric Corporation, Advanced Tech. R&D Center, Tsukaguchi-Honmachi 8-1-1, Amagasaki, Hyogo 661-8661, Japan, Tel: +81-6-6497-7692 Abstract -- Microwave back-projection radar techniques using transmitting and receiving array antennas have been developed for wide-area surveillance. This radar s

Measured Attenuation of Coplanar Waveguide on 6H, p-type SiC and High Purity Semi-Insulating 4H SiC through 800 K George E. Ponchak1, Zachary D. Schwartz2, Samuel A. Alterovitz1, and Alan N. Downey1 1. NASA Glenn Research Center, Cleveland, OH 44135, USA 2. Analex Corporation, NASA Glenn Research Center, Cleveland, OH 44135, USA Abstract -- Wireless sensors for high temperature applications such a

Experimental Study of Passive Intermodulation in Coaxial Cavities for Cellular Base Stations Duplexers Giuseppe Macchiarella1, Giovanni B. Stracca1, Lorenzo Miglioli2 1 Politecnico di Milano, Dipartimento di Elettronica e Informazione, Piazza Leonardo da Vinci, 32 ­ 20133 Milano ­ ITALY 2 Forem (An Andrew Company), Via Archimede, Agrate Brianza (Mi) ­ ITALY intermodulation makes very difficult t

A Small Size LTCC Balun for Wireless Applications I. Gavela1, M.A. Falagán1, H. Flühr2 1 EPCOS OHG, Ceramic components, Siemenstrasse, 43 A-8530 Deutschlandsberg, Austria. phone + 43 3462800 2483, fax +43 3462800385 2 FH JOANNEUM Gesellschaft mbH, University of Applied Sciences Alte Poststraße 149, A-8020 Graz, Austria Abstract ­ A small size balun in LTCC for wireless applications and its desig

Dispersion analysis of packaged MMIC amplifiers using the compression approach Jean-Marc Lesage2, Renaud Loison1, Rapha¨ l Gillard1 , Thierry Barbier2 , Yves Mancuso2 e 1 Electronic and Telecommunication Institute of Rennes (IETR), UMR CNRS 6164 INSA, 20 avenue des buttes de co¨ smes, CS 14315, 35043 Rennes Cedex, France e 2 Thales Airborne Systems (TAS), 2 Avenue Gay-Lussac, 78851 Elancourt, Fra

A Novel Balanced Circulator For FDD MC-CDMA Communications G. Lathière, N. Jolivet, S. Nobilet, R. Gillard and J.-F. Hélard IETR-INSA, 20 avenue des buttes de Coësmes, 35043 Rennes, France Abstract-- This paper presents a new balanced circulator with improved isolation. It uses hybrid couplers to compensate the isolation fault of two standard circulators. A 800 MHz bandwidth (14.55 %) for 30 dB i

Conductor Loss Reduction for High Frequency Transmission Lines Based on Magnetorheological Fluid Polishing Method 1 Sang-No Lee, 2Jun-Ik Lee, 2Wook-Bae Kim, 2Chang-Hyun Lim, 1Jong-Gwan Yook, 2Yong-Jun Kim, and 2Sang-Jo Lee 1 Department of Electrical and Electronic Engineering, Yonsei University, 134 Seodaemoon-Gu, Shinchon-Dong, Seoul, 120-749, Korea 2 School of Mechanical Engineering, Yonsei U

The Ultra Wideband Transfer Function Representation of Complex Three-Dimensional Electromagnetic Structures Yury Kuznetsov1, Andrey Baev1, Fabio Coccetti2 and Peter Russer2 Moscow Aviation Institute (State University of Aerospace Technology) Volokolamskoe Shosse 4, 125993, Moscow, Russia E-mail: mai_k405-mtu-net.ru Tel.: +7 095 158 4047 Abstract -- the network-oriented ultra wideband transfer func

Mean and Differential Phase Centers of Rectangular Dielectric Rod Antennas J¨ rgen Richter, Jens-Uwe Garbas and Lorenz-Peter Schmidt u Lehrstuhl f¨ r Hochfrequenztechnik, Universit¨ t Erlangen-N¨ rnberg, Cauerstr. 9, D-91058 Erlangen, Germany u a u Phone: +49 9131 85-27220, Fax: +49 9131 85-27212, E-Mail: juergen.richter-lhft.de Abstract-- Dielectric rod antennas of rectangular cross section are

Characterization of EM Effects in RF/Microwave Integrated Circuits Mustapha C.E. Yagoub, Prasun Sharma School of Information Technology and Engineering (SITE) University of Ottawa, 161 Louis Pasteur, Ottawa, Ontario, Canada, K1N 6N5 Abstract -- Widely used in RF/microwave integrated circuits, passives are subject to intensive research for efficient modeling. At the circuit level, such devices are