A novelcl ed- or f m ul f os f m or a orr adiat ion pat er t n eval ion ofelipt uat l icalhor ant n ennas . C .Tom asoni y A . m arz M .M ongiar o y s , S.O , d y IE I, U niverit ofPer D sy ugia, V ia G .D ur i, 9 0 2 , Per ant 3, 61 5 ugia, It y.e-m ail al : t asoni- diei. g. om s unip it z t o-von-G uer O t icke-U niverit t M agd ur M agd sÄ a eb g, ebur G er any. g, m A bs r t act | E lipt l ic

An Over-Octave Compact Transition from Double -Ridge Waveguide to Coaxial Line for Phased Array Feed Yuri Tikhov, Youn Jin Kim*, and Jeong Phill Kim** Physics Dept., Rostov State University, Rostov-on-Don, 344104, Russia, tikhov-aaanet.ru * LG Innotek Co., Ltd, Yongin-Shi, Kyunggi-Do, 449-910, Korea, yjkimg-lginnotek.com ** School of EE, Chung-Ang University, Seoul, 156-756, Korea, phill-cau.ac.kr

Resonant Coupling Irises for the Design of New Planar Bandstop Filters A. Takacs1, H. Aubert1, P. Pons2, T. Parra2, R. Plana2, J. Graffeuil2, H. Baudrand1, J.L. Cazaux3 LEN7-GREMO, 2 rue Charles Camichel, 31071 Toulouse, France takacs-len7.enseeiht.fr, and aubert-len7.enseeiht.fr , Phone : 33 5 61 58 84 50, Fax : 33 5 61 58 82 37 2 LAAS-CNRS-UPS-GREMO, 7 avenue Colonel Roche, 31400 Toulouse, Franc

A Broadband Microstrip-to-Waveguide Transition with Tapered CPS Probe* Ting-Huei Lin1 and Ruey-Beei Wu2 1 Telecommunication Laboratories, Chunghwa Telecom Co., Ltd., Taiwan, R.O.C., linth-cht.com.tw 2 Department of Electrical Engineering and Graduate Institute of Telecommunications Engineering, National Taiwan University, Taipei, Taiwan, R.O.C., rbwu-ew.ee.ntu.edu.tw Abstract --- A novel microstri

Analysis of 3D Vertical Stub on Microstrip Line V. Sokol, K. Hoffmann Czech Technical University, Faculty of Electrical Engineering Technická 2, 166 27 Prague 6, Czech Republic Phone: (+420) 2 2435 2276, Fax: (+420) 2 3333 9958 E-mail: sokolv-fel.cvut.cz, Hoffmann-fel.cvut.cz Abstract - A novel vertically installed planar (VIP) structure - a vertical stub mounted on a microstrip line gap - was des

Novel Resonator Structures for Combline Filter Applications Guohua Shen and Djuradj Budimir Wireless Communications Research Group, Department of Electronic Systems, University of Westminster, London W1W 6UW, UK Budimid-wmin.ac.uk S.guohua-wmin.ac.uk In this paper, we present a novel combline resonator with periodic N-disk mounted onto its inner conductor. Significant improved Q factor is achieved

Novel Active Integrated Antenna Configuration using Multi-Layered Teflon Substrate and Solder Bump Interconnection for Large Scale Array Tomohiro SEKI, Keizo CHO, and Hideki MIZUNO* NTT Network Innovation Laboratories, NTT Corporation 1-1 Hikari-no-oka, Yokosuka-shi, Kanagawa 239-0847, Japan *Now with Research and Development Planning Department, NTT DoCoMo, Inc. E-mail: t.seki-ieee.org We propose

ANALYSIS AND DESIGN OF FLANGE-INTEGRATED RECTANGULAR-TO-CIRCULAR WAVEGUIDE TRANSFORMERS FOR SPLASHPLATE ANTENNA FEEDS U. Rosenberg*, J. Bornemann+ and K. Rambabu+ * Marconi Communications GmbH, D-71522 Backnang, Germany + Dept. of Elec. & Comp. Engr, University of Victoria, Victoria, BC, V8W 3P6 Canada A new design concept for compact rectangular-to-circular waveguide transformer is presented. It

Design of a Discrete Luneburg Lens Fed by Slot-Excited Spherical-Circular Conformal Printed Antenna Sébastien Rondineau*, Alexander I. Nosich*,**, Mohamed Himdi*, Jean-Pierre Daniel***,* Institute of Electronics and Telecommunications of Rennes, UMR-CNRS 6164, Université de Rennes 1, Rennes Cédex 35042, France ** Institute of Radio-Physics and Electronics of the National Academy of Sciences Kharko

Design, Implementation and Measurements of Ka-band Waveguide-to-microstrip Transitions S. Llorente-Romano, B. P. Dorta-Naranjo*, F. Pérez-Martínez, M. Salazar-Palma Grupo de Microondas y Radar, Dpto. SSR, Universidad Politécnica de Madrid ETSI Telecomunicación, Ciudad Universitaria s/n, 28040 Madrid, Spain Tel: 34­91­336­7358, e-mail: llorente-ieee.org *Grupo de Ingeniería de Comunicaciones, Dpto.