Improvement of an Inverted Microstrip Line-Based Microwave Tunable Phase-Shifter Using Liquid Crystal Noham Martin, Paul Laurent, Gaëtan Prigent, Philippe Gelin and Fabrice Huret LEST ­ UBO/ENST-Br ­ UMR 6165, BP 809, 29285 BREST Cedex, France Noham.Martin-univ-brest.fr Abstract -- This paper deals with the study of electrically tunable phase-shifters based on the use of liquid crystals. First, th

Optically Synchronized Oscillators for Low Phase Noise Microwave and RF Frequency Distribution Horacio Martinez-Reyes, Gianandrea Quadri, Thierry Parenty1, Carmen Gonzalez2, Benoit Benazet3, Olivier Llopis LAAS-CNRS, 7 Avenue du Colonel Roche, 31077 Toulouse, Cedex 04, France 1 IEMN, Avenue Poincaré, BP 69, 59652 Villeneuve d'Ascq, France 2 OPTO+, Route de Nozay, 91461 Marcoussis Cedex, France 3 A

Direct modulation of a laser by a microwave signal: A Model for 1/F Amplitude and Phase Noises A. Bdeoui1, A.-L. Billabert1, N. Breuil2, C. Rumelhard1 1 ESYCOM (CNAM-ESIEE-UMLV)­ 5 Av Descartes, 77420 Champs sur Marne ­ France 2 Thales Systèmes Aéroportés, 2 Avenue Gay lussac, 78851 Elancourt - France Abstract -- When a laser is directly modulated in amplitude by a microwave frequency, the low f

OPTICAL CONTROL OF SEMICONDUCTOR SYNCHRONIZED MICROWAVE OSCILLATORS IN THE SIGNALS SUBTRACTION SCHEME D.A. Usanov, A.V. Skripal, A.V. Abramov Saratov State University named after N.G. Chernyshevskiy, Moskovskaya 155, 410026, Saratov, Russia, (+7) 8452 514563 Abstract -- The influence of optical radiation on the performance of the synchronized microwave oscillator in the scheme of the coherent sign

A Rigorous Analysis of Distributed Microwave Effects in Traveling Wave Photodetectors and Their Interconnections with Passive Microwave Transmission Lines Damir Pasalic and Rüdiger Vahldieck Swiss Federal Institute of Technology, IFH, Gloriastrasse 35, CH-8092 Zurich, Switzerland Tel: +41-1-632 4860, Fax: +41-1-632 1198, E-mail: dpasalic-ifh.ee.ethz.ch Abstract -- A computationally efficient hybri

High-frequency electrical measurement and parameter extraction of InP-based photodetectors up to 100 GHz G. G. Mekonnen, H.-G. Bach, A. Beling, D. Schmidt, A. Seeger , and M. Stollberg Fraunhofer Institute for Telecommunications, Heinrich-Hertz-Institut, Einsteinufer 37 D-10587 Berlin, Germany, phone: +49 30 31002 285 Abstract -- High-frequency measurement and the extraction of an extended small-s

Multi-Layer Parasitic Microstrip Array Antenna on LTCC Substrate for Millimeter-Wave System-on-Package Tomohiro Seki, Kenjiro Nishikawa, and Keizo Cho NTT Corporation, NTT Network Innovation Laboratories, 1-1 Hikari-no-oka, Yokosuka-shi, Kanagawa 239-0847, Japan TEL: +81 46 859 5070, FAX: +81 46 855 1497, E-mail: t.seki-ieee.org Abstract -- This paper proposes a novel multi-layer parasitic microst

Efficient Modelling of the Near Field Coupling Between Phased Array Antennas L. Pierantoni1, S. Lindenmeier2, C. Ciandrini1 and T. Rozzi1 1 Dipartimento di Elettronica ed Automatica, Università Politecnica delle Marche, Italy, Via Brecce Bianche 12, I60131, Ancona, Italy. Fax: +39 071 280 4334; tel: +39 071 280 4891; e-mail: l.pierantoni-ee.unian.it 2 DaimlerChrysler Research and Technology, Ulm

Suspended Microstrip Patch Antenna With Ground-shield Tapered Suspended Stripline Feed N.U. Lau1 and R. Sloan2 Microwave Engineering Group, Department of Electrical Engineering and Electronics, UMIST, P.O. Box 88, Manchester M60 1QD, UK [ngie.lau-student.umist.ac.uk] Abstract -- In this paper, we present a single suspended microstrip patch antenna with a suspended stripline feed operating at 18GH

Back-Fed Coplanar Patch Antennas K. Li, D. Kurita*, K. F. Tong and T. Matsui Communications Research Laboratory (CRL) 4-2-1 Nukui-Kitamachi, Koganei-shi, Tokyo 184-8795, Japan. Tel: +81-42-327-6883, Fax: +81-42-327-6669, E-mail: keren-crl.go.jp * Tokyo University of Science * 1-3 Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan Abstract -- In this paper, a new coplanar patch antenna (CPA) with back