Via-Fed Active Microstrip Antenna Using Multi-Layer Ceramic-Polyimide Substrates Tomohiro SEKI, Tamami MARUYAMA, and Toshikazu HORI Nippon Telegraph and Telephone Corporation 1-1 Hikari-no-oka, Yokosuka, Kanagawa 239-0847, Japan Tel:+8l-468-59-5070, Fax:+8l-468-55-l497 E-mail: tomo-wslab.nttco.jp Abstract - This paper proposes a three-dimensional active antenna configuration for the front-end modu

Quasi-multiresolution analysis of printed antennas and circuits P. Pirinoli, G. Vecchi, L. Matekovits, M. Orefice Dipartimento di Elettronica, Politecnico, 1-10129 Torino, Italy eMail: {pirinolilvecchi}-polito.it Abstract - An innovative technique is presented for the Integral Equation analysis of printed antennas and arrays. It is based on the definition of multiresolution vector basis function

mGH PERFORMANCE MINIATURIZED MICROSTRIP ANTENNAS ON LOCALLY NON-HOMOGENEOUS SUBSTRATES H. Lattard, S. Le Maguer, Yann Toutain, J. Ph. Coupez, Ch. Person LEST ENST BretagnelUBO BP832 29285 BREST Cedex Tel. 33.2.98.00.13.19 Fax: 33.2.98.00.13.43 e(a)mail: Christian.Person(a)enst-breta2ne.fr - - - - France ABSTRACT - A locally non-homogeneous substrate configuration is proposed for optimizing bo

NOVEL DUAL-FREQUENCY DESIGN OF CIRCULAR MICROSTRIP ANTENNA WITH COMPACT OPERATION Jui-HanLu Department of Electronic Communication Engineering National Kaohsiung Institute of Marine Technology Kaohsiung, Taiwan 811, R.O.C. Tel: +886-7-3617141 ext. 2303 Fax: +886-7-3658307 E-mail: lujh-ema.ee.nsysu.edu.tw Abstract - This article presents a new compact dualfrequency design of single-feed circular m

SHORT-OPEN CALffiRATION (SOC) TECHNIQUE FOR UNIFIED CIRCUIT REPRESENTATION OF MICROSTRIP-FED SLOT ANTENNAS # Lei ZHU and Ke WU POLY-GRAMESResearch Center Department of Electrical and Computer Engineering Ecole Polytechnique de Montreal, Quebec, Canada e-mail: zhul-grmes.polymt1.ca&wuke-grmes.polymt1.ca Abstract -- Unified and complete circuit model is formulated for accurate representation of a

Microstrip Coupling Control of Dielectric Resonator for High-QApplications Kenneth Buer, Bbadawy Bsharawy, Senior Member IEEE Dept. of Bectrical Engineerin, Arizona State University, eMail: elsharawy-asu.edu Abstract - This paper presents a novel ~ band pass dielectric resonator filter. An elliptic dielectric resonator filter is designed by controlling the coupling of the dielectric resonators.

DUAL-MODE TEoloDIELECTRIC RESONATOR D. D. Femando*, 1. C. Hunter *¥ and V. Postoyalko* * Institute of Microwaves and Photonics, School of Electronic and Electrical Engineering, University of Leeds, LS2 9JT, UK. Tel: + 44 113 233 2062, Pax: + 44 1132332032, Email: eenddf-electeng.leeds.ac.uk PIc., The Waterfront, Salts Mill Road, Saltaire, Shipley, West Yorkshire, BD18 3TT, UK. Tel: + 44 1274530622

DESIGN CRITERIA AND PERFORMANCE EVALUATION OF TM01 DIELECTRIC RESONATORS CAVITIES FOR CELLULAR BASE STATION FILTERS Giuseppe Macchiarella*, Silvia Cavalieri D'Oro** * Dipartimento di Elettronica e informazione del Politecnico di Milano Piazza Leonardo da Vinci, 32 20133 Milano, ITALY tel: +39223993593 fax: +39223993413 e-mail: macchiar-elet.polimi.it ** ALLEN TELECOM - FOREM S.r.l., Via Archimede

MODE SELECTION FOR A WHISPERING GALLERY MODE RESONATOR G. Duchiron - D. Cros - P. Guillon - M. Chaubet* - C.Zanchi* I.R.C.O.M., Faculte des Sciences, UMR CNRS 6615,123 Avenue A Thomas, 87060 LIMOGES Cedex *C.N.E.S., 18 Avenue E. Belin, 31055 TOULOUSE Cedex Abstract An original mode selection technique for whispering gallery mode sapphire resonator (WGMR) is presented. A set of metallic screws, in