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

Even and Odd Modes on a Conductor-Backed Slotline Jan Zehentner, Jan Machac, Jan Mrkvica Czech Technical University, Technicka 2, 16627 Prague 6, Czech Republic Tel.: +420 2 24352273, fax: +420 2 24355865, E-mail: zehent-feld.cvut.cz An analysis of the conductor-backed slotline is presented in this paper. The dispersion characteristics of modes with both even and odd symmetry are presented togethe

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

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

Optimization of A Microstrip Directional Coupler with High Performance Using Evolution Strategy Chang-Hwan Im, Jae-Ho Youn, Hyeong-Seok Kim, Jun-Seok Park, Jeong-Hae Lee, Hyun-Kyo Jung, Dong-Hun Kim, and Jhoon Huh Division of Information Technology Engineering, Soonchunhyang University, Asan, 336-745, Korea School of Electrical Engineering, Seoul National University, Seoul, 151-742, Korea Schoo

Slow Dynamics: Myth or Reality? Wendy Van Moer and Yves Rolain Vrije Universiteit Brussel (Dept. ELEC/TW); Pleinlaan 2; B-1050 Brussels(Belgium) Phone : +32.2.629.28.68; Fax : +32.2.629.28.50; Email : wendy.vanmoer-vub.ac.be This paper presents a method to measure the sensitivity of microwave components to memory effects caused by the DCbiasing circuit. This allows to determine the required (imped

Electromagnetic Field Analysis Using the Analogy between H-Plane Waveguide- and Modified NRD-Type Planar Circuit Takaharu Hiraoka, Tetsuo Anada, Takuya Ishikawa, Hsu Jui-Pang Faculty of Engineering, Kanagawa University, 221-8686 Yokohama-shi, JAPAN C. Christopoulos School of Electrical and Electronic Engineering, Nottingham University, NG7 2RD, UK E-mail: anada-cc.kanagawa-u.ac.jp, Tel: +81-45-481

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

CP Agile Integrated Spatial Phase Shifter Realisation and X-Polar Contamination/Reflection Loss Effects V F Fusco, R Cahill, HS Gamble, J Syed High Frequency Electronic Laboratory School of Electrical and Electronic Engineering Ashby Building Stranmillis Road Belfast BT9 5AH Ph: 44 (0)28 90 342076 Fax: 44 (0) 28 90 667023 Email: V.fusco-ee.qub.ac.uk ABSTRACT In this paper we suggest a new method