Broad-Band Short-Slot Eight-Port Hybrids Tadashi Kawai, Akihiro Hino*, Yoshihiro Kokubo, and Isao Ohta Graduate School of Engineering, Himeji Institute of Technology 2167 Shosha, Himeji-shi, Hyogo 671-2201 Japan Tel&Fax : +81-792-67-4873, E-mail : kawai-elnics.eng.himeji-tech.ac.jp *Furuno Electric Co., Ltd. 9-52, Ashihara-cho, Nishinomiya-shi, Hyogo, 662-8580 Japan ABSTRACT This paper suggets wid

Absorption Characteristics of /4 EM Wave Absorber with Frequency-Selective Operation A. Itou, H. Yokokawa*, K. Sumi*, O. Hashimoto* Technical Research Institute, TOPPAN PRINTING CO.,LTD. 4-2-3 Takanodai-minami, Sugito-mati Kita-katushika-gun, Saitama 345-8508, JAPAN. akihiko.ito-toppan.co.jp * College of Science and Engineering, Aoyama Gakuin University 6-16-1 Chitosedai ,Setagaya-ku, Tokyo 157-85

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

Design of X Band Filter Using Inhomogeneous Microstrip to Slotline Transition P. Gouget, G. Duchamp, J. Pistré Laboratoire IXL ­ ENSEIRB ­ UMR CNRS 5818 ­ Université Bordeaux 1 351 cours de la Libération 33405 Talence Cedex ­ France, e-mail : gouget- ixl.u-bordeaux.fr, duchamp-ixl.u-bordeaux.fr, pistre-ixl.u-bordeaux.fr In this paper, a microstrip to slotline transition using different quarter wav

Theoretic Analysis and Design Procedure of Two-Branch Microwave Channelized Filters Roberto G´ mez­Garc´a, C´ sar Briso­Rodr´guez*, Jos´ I. Alonso o i e i e ´ Dpto. Se~ ales, Sistemas y Radiocomunicaciones. ETSI Telecomunicacion. n Universidad Polit´ cnica de Madrid. Ciudad Universitaria s/n, 28040 Madrid, Spain e Tel: 34­91­336­7358, e­mail: roberto-gmr.ssr.upm.es ´ * Dpto. Ingenier´a Audiovisual

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

Millimeter Wave Microstrip Broadband Bandpass Filters Design and Test. M. Detratti, B. Aja, J.P. Pascual, L. De La Fuente, E. Artal Dpto. Ing. de Comunicaciones. ETSII y de Telecomunicación. University of Cantabria Avda. Los Castros s/n 39005 Santander. Spain, daitarn-dicom.unican.es A new design method to achieve, using commercial CAD software, accurately predictable response in microstrip bandpa

Analysis of Frequency Selective Surfaces by the BI-RME Method Combined with an Integral Equation Formulation Vicente E. Boria1 , Maurizio Bozzi2 , Francesco Bruni2 , Giuseppe Conciauro2 , Benito Gimeno3 , and Luca Perregrini2 1 Univ. Polit¶cnica de Valencia, Dpto. Comunicaciones, Camino de Vera s/n, E-46022, Valencia, Spain e e{mail: vboria-dcom.upv.es 2 University of Pavia, Department of Electr

An experimental approach to active and passive reflectarray design L. Boccia * , F. Venneri *, G. Angiulli **, G. Amendola * , G. Di Massa * * Dipartimento di Elettronica, Informatica e Sistemistica Università della Calabria, 87036 Rende (CS), Italy surname-deis.unical.it ** Dipartimento di Informatica, Matematica, Elettronica e Trasporti Università Mediterranea, 89100 Reggio Calabria, Italy angiu

Design, Fabrication, and Measurement of Dichroic Plates for Deep Space Antennas Piermario Besso(1), Maurizio Bozzi(2), Roberto Maddè(1), Luca Perregrini(2), and Luca Salghetti Drioli(3) (1) European Space Agency, ESOC, Robert Bosch Strasse 5, 64293 Darmstadt (GERMANY) e-mail: besso-esa.int, madde-esa.int (2) University of Pavia, Dept. of Electronics, Via Ferrata 1, 27100 Pavia (ITALY) e-mail: bo