BEHAVIOR OF PROPER AND IMPROPER SOLUTIONS ON PRINTED-CIRCUIT TRANSMISSION LINES VIEWED FROM THE TIME DOMAIN Mikio Tsuji and Hiroshi Shigesawa Department of Electronics, Doshisha University Tatara-Miyakodani 1-3, Kyotanabe, Kyoto 610-0321, Japan (Tel: +81-774 65 6358, Fax: +81-774656824, e-mail: mtsuji-mai1.doshisha.ac.jp) Abstract: Until recently, we believed that the improper-nonphysical solutio

THE RESIDUAL-WAVE CURRENT EXCITED ON A PRINTED-CmCUlT LINE: A SOURCE OF SPURIOUS EFFECTS Manuel J. Freire*, Francisco Mesa*, and David R. Jackson** *Microwave Group, Dept. of Electronics and Electromagnetism, University of Seville, Avd. Reina Mercedes sin, 41012 Seville SPAIN eMail: mesa-cica.es **Dept. of Electrical and Computer Engineering, University of Houston, Houston, TX 77204-4793 USA Abstr

Full- Wave Modeling of Waveguide Dividers with Rounded Comers and Its Applications in Millimeter-Wave Diplexers Tao Shent, Yu Rongt, Kawthar A. Zakit, and Tim Dolant tDepartment of Electrical and Computer Engineering, University of Maryland College Park, MD 20742 USA tK & L Microwave Inc., 408 Cole Circle, Salisbury, MD 21804 USA Abstract Full-wave modeling of waveguide dividers with rounded come

FINITE ELEMENT METHOD FOR RIGOROUS DESIGN OF MICROWAVE BANDPASS FILTER DEVICE USING PERIODIC METALLIC LATTICE B. LENOIR - D. BAILLARGEAT - S. VERDEYME - P. GUILLON I.R.C.O.M. - Faculte des Sciences - UMR CNRS 6615 123 Avenue Albert Thomas 87060 LIMOGES Cedex France ABSTRACT Abstract In this paper, we present theoretical and experimental analysis of fine-line devices using a metallic periodic lat

DESIGN AND REALIZATION OF THE HIGH-Q TRIPLE DIELECTRIC RESONATOR FILTERS WITH WIDE TUNING RANGE Jerzy Krupka*, Adam Abramowicz", KrzysztofDerzakowskio WarsawUniversity of Technology,*Institute of Microelectronicsand Optoelectronics,AInstituteof Electronic Systems, °Institute of Radioelectronics,ul. Koszykowa75, 00-662 Warsaw, Poland tel. +4822 6607693, fax +4822 8252300,e-mail: IKrupka-imio.pw.edu

AKa-Band Diplexer Using Planar TE Mode Dielectric Resonators with Plastic Package Toshiro Hiratsuka, Tomiya Sonoda, Shigeyuki Mikami, Koichi Sakamoto, and Yukio Takimoto Murata Manufacturing Co., Ltd. Tenjin, Nagaokakyo-shi, Kyoto 617-8555, Japan E-mail: hiratuka-murata.co.jp Abstract AKa-band diplexer using novel planar TE mode dielectric resonators has been developed. The resonators are manufac

Novel Ring Filters As Wide-Band 1800 Transmission Lines Hee-Ran Ahn and Ingo Wolff Dept. ofElec. Engineering Gerhard-Mercator-UniversityBismarckStr.81, D-47057 Duisburg Gennany eMail: ahn-ate.uni-duisburg.de Abstract-A novel ring filter as a wide-band 180º transmission line is introduced, designed and analyzed. Most of conventional ring filters have used gaps between a ring and the feeding lines

Multiservice Wireless Access Systems: Key Technologies and Boundary Conditions for Successful Deployment Hans-Peter Petry Public Networks Division, Bosch Telecom, Backnang, Germany eMail:hans-peter.petry-de.bosch.com WWW: http://www.basch.de Abstract - Broadband multiservice wireless access (BBWLL) systems have been expected to contribute successfully to the last mile problem in the frame of libe

SAMBA: A MOBILE BROADBAND Max Progler ENABLER DaimlerChrysler Research and Technology, VIm eMail: max.proegler-daimlerchrysler.com Abstract - SAMBA, a European research project within the ACTS programme, shall make MBS - Mobile Broadband System - happen. The origin and the features of MBS are explained, and the SAMBA Trial Platform, a basic MBS, is described. Implementation issues are also addre

MODERN 60 GHZ RADIO LINK Petri Mikkonen Nokia Telecommunications, Radio Access Systems P.O. Box 370, FIN-00045 Nokia Group In this paper, a modem 60GHz radiolink designed and optimised for a non-co-ordinated58GHz band will be introduced. It will be shown that technology at 60GHz is mature for volume producible, reliable and low lifetime cost products. It will also be shown that to design a mode