SAW-based solutions for UWB Communications Michel Chomiki TEMEX, HiRel Department, 399 route des Crêtes, BP 232, 06904 Sophia-Antipolis, France, +33 (0)4 97 23 30 12 The goal of this paper is to invite the UWB systems designers to consider alternative approaches based on the mature SAW technology which may offer in some cases smart advanced solutions thanks to the ability of this technology to dir

Lifetime characterization of capacitive power RF MEMS switches Afshin Ziaei (1), Thierry Dean (1), Yves Mancuso (2) 1 : Thales Research and Technology France, Domaine de Corbeville, 91404 Orsay Cedex, France 2 : Thales airborne systems, 2, avenue Gay-Lussac 78851 Elancourt, France ABSTRACT -- RF MEMS switches provide a low-cost, high performance solution to many RF/microwave applications and these

Diagonal Slotted Diamond Shaped Dual Circularly Polarized Microstrip Patch Antenna With Dumbbell Aperture Coupling Ajay Kumar Sharma and Ashok Mittal, Member, IEEE Central Research Laboratory, Bharat Electronics Limited, Bharat Nagar Post, Ghaziabad ­ 201 010 (U.P.), India Phone: +91-120-2774906; Fax: +91-120-2770916 Abstract ­ Improvement in ellipticity bandwidth with a diagonal slotted diamond s

PIN DIODE CHARACTERIZATION AND MODELLING ON SOI SUBSTRATE FOR MILLIMETER-WAVE APPLICATIONS E. DURAZ1,2, P. FERRARI3, L. DUVILLARET1, J.-L. COUTAZ1, J.-M. DUCHAMP1, E. ESTEBE2, J.-P. GHESQUIERS2 LAHC, Université de Savoie, Campus Scientifique ­ 73376 Le Bourget du Lac Cedex, France THALES RESEARCH & TECHNOLOGY FRANCE, Domaine de Corbeville, 91400 Orsay, France 3 IMEP, 23 Avenue des Martyrs, BP 257,

CPW ON SILICON SUBSTRATES: PROPAGATION CONSTANT MODELING AND SUBSTRATE FREE CARRIERS CONTRIBUTION E. DURAZ1,2, P. FERRARI3, L. DUVILLARET1, J.-L. COUTAZ1, J.-M. DUCHAMP1, E. ESTEBE2, J.-P. GHESQUIERS 2 LAHC, Université de Savoie, Campus Scientifique ­ 73376 Le Bourget du Lac Cedex, France THALES RESEARCH & TECHNOLOGY FRANCE, Domaine de Corbeville, 91400 Orsay, France 3 IMEP, 23 Avenue des Martyrs,

Passive Tunable Liquid Crystal Finline Phase Shifter for Millimeterwaves Stefan Mueller1 , Christoph Felber1 , Patrick Scheele1 , Michael Wittek2 , Christian Hock2 , and Rolf Jakoby1 1 Technische Universität Darmstadt, Institut für Hochfrequenztechnik, Merckstr. 25, 64283 Darmstadt, Germany 2 Merck KgaA, 64293 Darmstadt, Germany Abstract-- In this paper, the investigation of a finline based phas

High Precision Waterlevel Gauge with an FMCW Radar under Limited Bandwidth Yukinobu Tokieda, Hiroki Sugawara, Shigeyuki Niimura, Tatsuji Fujise Japan Radio Co., Ltd., 5-1-1 Shimorenjaku Mitaka, Tokyo 181-8510 Japan, +81 422 45 3049 developed a waterlevel gauge with an FMCW radar under 75MHz bandwidth limitation, which suppresses those disturbing factors to achieve a few centimeters of accuracy. Th

A Superconducting Microstrip Bandstop Filter for an L-Band Radio Telescope Receiver Guoyong Zhang1, Michael J. Lancaster1, Frederick Huang1, and Neil Roddis2 University of Birmingham, School of Electrical and Electronics Engineering, Birmingham, UK, B15 2TT, Phone: +44 121 4144348 Email: G.zhang-bham.ac.uk 2 University of Manchester, Jodrell Bank Observatory, School of Physics and Astronomy, Chesh

Optoelectronic Mixer for Radio-on-Fiber Systems Sergei Malyshev, Alexander Chizh Institute of Electronics of National Academy of Sciences of Belarus, Laboratory of Semiconductor Optoelectronics, 22 Logoiski trakt, 220090 Minsk, Republic of Belarus, +375-17-2812213, malyshev-ieee.org, chizh-ieee.org Abstract -- The theory of frequency conversion process of optically transmitted microwave signals in

Parametric Studies on Isolation in Probe-Fed Dual Polarized Microstrip Antennas Sachin Gupta1, M.Ramesh1 and A.T.Kalghatgi1 1 Central Research Laboratory, BEL, Bangalore, India. Tel: (080)-28381125 using FR4 glass epoxy ( material. r1 Abstract -- Dual Polarized antennas are useful for both polarization diversity and frequency reuse applications. Isolation between the ports is a critical paramete